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Preprint ARTICLE | doi:10.20944/preprints201910.0309.v1

Fluid Dynamics Android Application: An Efficient Semi-Implicit Solver for Compressible Flows

Shivam Singhal, Yayati Gupta, Ashish Garg

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: fluid dynamics Android app; compressible flows; isentropic flows; Android app for gas dynamics

Online: 27 October 2019 (15:30:45 CET)

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Preprint ARTICLE | doi:10.20944/preprints201701.0052.v1

MHD Flow and Heat Transfer Analysis in Wire Coating Process Using Elastic-Viscous Fluid

Zeeshan Khan, Rahan Ali Shah, Saeed Islam, Hamid Jan, Bilal Jan, Haroon-Ur Rasheed

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: wire coating; elastico-viscous fluid; MHD flow; heat transfer; ADM and OHAM

Online: 10 January 2017 (10:33:57 CET)

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Preprint ARTICLE | doi:10.20944/preprints201902.0059.v1

The Disprove of the Komlos Conjecture

Samir Brahim Belhaouari, Randa AlQudah

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Komlos Conjecture; optimazation; discrepancy theory.

Online: 6 February 2019 (10:12:50 CET)

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Preprint ARTICLE | doi:10.20944/preprints201608.0231.v1

Local Polynomial Smoother for Solving Bagley-Torvik Fractional Differential Equations

Tianshun Yan, Shuanghua Luo

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: numerical solution; Bagley-Torvik fractional differential equations; local polynomial smoother

Online: 30 August 2016 (12:29:12 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201609.0085.v2

Modeling and Simulation of Passenger Flow Distribution in Urban Rail Transit Hub Platform

Long Gao, Limin Jia

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: passenger flow distribution model; simulation design; performance evaluation; passenger flow volume; service level; urban rail transit hub platform

Online: 2 December 2016 (07:52:00 CET)

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Preprint ARTICLE | doi:10.20944/preprints202004.0193.v2

Effect of Lockdown and Isolation to Suppress the COVID-19 in Bangladesh: An Epidemic Compartments Model

Md. Shahidul Islam, Jannatun Irana Ira, K. M. Ariful Kabir, Md. Kamrujjaman

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: COVID-19; lockdown; sensitivity analysis; epidemic dynamics

Online: 23 May 2020 (10:47:33 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202207.0388.v1

An Innovative Method for Approximating Arcsine Function

Slim Ben Othman, Yogesh J. Bagul

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: arcsine function; approximation; interpolation; Shafer-Fink inequality; padé approximants

Online: 26 July 2022 (05:57:53 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202006.0289.v1

Estimation of Time-Dependent Reproduction Number for Global COVID-19 Outbreak

Tatiana Petrova, Dmitry Soshnikov, Andrey Grunin

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: reproduction number; infectious disease epidemiology; COVID-19; epidemic modelling; mobility index

Online: 24 June 2020 (09:03:44 CEST)

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Preprint COMMUNICATION | doi:10.20944/preprints201611.0040.v1

Some Topological Invariants of the Möbius Ladder

Shin Min Kang, Mobeen Munir, Abdul Rauf Nizami, Zakia Shahzadi, Waqas Nazeer

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Möbius ladder; topological indices

Online: 7 November 2016 (07:31:16 CET)

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Preprint ARTICLE | doi:10.20944/preprints201609.0103.v1

Predicting the Outcome of NBA Playoffs Based on Maximum Entropy Principle

Ge Cheng, Zhenyu Zhang, Moses Ntanda Kyebambe, Nasser Kimbugwe

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Maximum entropy model; K-means clustering; accuracy; classification; sports forecasting

Online: 27 September 2016 (11:10:50 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201702.0071.v1

Permutation Entropy: New Ideas and Challenges

Karsten Keller, Teresa Mangold, Inga Stolz, Jenna Werner

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: ordinal patterns; Permutation entropy; Approximate entropy; Sample entropy; Conditional entropy of ordinal patterns; Kolmogorov-Sinai entropy; classification

Online: 17 February 2017 (16:41:32 CET)

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Preprint ARTICLE | doi:10.20944/preprints201708.0004.v1

Some Identities Relating to Eulerian Polynomials and Involving Stirling Numbers

Feng Qi, Dongkyu Lim, Bai-Ni Guo

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: identity; generating function; Eulerian polynomial; higher order Eulerian polynomial; Stirling number; open problem

Online: 2 August 2017 (17:03:00 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201609.0082.v1

Analysis of Inflection and Singular Points on Parametric Curve with a Shape Factor

Zhi Liu, Chen Li, Jieqing Tan, Xiaoyan Chen

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: shape factor; singular points; inflection points; local convexity; global convexity

Online: 23 September 2016 (08:04:57 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201701.0123.v1

Aesthetic Patterns with symmetries of the Regular Polyhedron

Peichang Ouyang, Liying Wang, Tao Yu, Xuan Huang

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Regular polyhedra, reflection group, fundamental region, invariant mapping

Online: 26 January 2017 (10:35:59 CET)

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Preprint ARTICLE | doi:10.20944/preprints201709.0112.v1

Integral Representations for Multivariate Logarithmic Polynomials

Feng Qi

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: multivariate logarithmic polynomial; generating function; completely monotonic function; Bernstein function; integral representation; Lévy-Khintchine representation; real part; imaginary part; uniform convergence; recurrence relation; mathematical induction

Online: 23 September 2017 (10:55:57 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201906.0123.v1

Some Fixed Point Theorems in Pseudo Multiplicative Metric Spaces with Convex Structure

Naveed Jamal, M. Anwar Chaudhry, M. Bakhsh Baloch

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: contractive mapping; Convex Pseudo multiplicative metric space; fixed point theorems

Online: 13 June 2019 (13:20:53 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201711.0120.v1

The Generating Function of the Catalan Numbers and Lower Triangular Integer Matrices

Feng Qi, Xiao-Long Qin, Yong-Hong Yao

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: simplification; coefficient; nonlinear ordinary differential equation; generating function; Catalan number; inverse matrix; lower triangular integer matrix; Faά di Bruno formula; Bell polynomial of the second kind; inversion theorem

Online: 20 November 2017 (07:20:26 CET)

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Preprint ARTICLE | doi:10.20944/preprints201708.0056.v1

Some Properties of the Fuss–Catalan Numbers

Feng Qi, Pietro Cerone

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: expression; analytic property; Fuss–Catalan number; Catalan–Qi function; Catalan number; monotonicity; logarithmic convexity; complete monotonicity; minimality; inequality

Online: 15 August 2017 (08:36:23 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201910.0084.v1

A Complex Networks Approach to Analysing the Erdős-Straus Conjecture and Related Problems

Vikhyath Mondreti

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Erdős-Straus Conjecture; Directed Networks; Egyptian Fractions; Diophantine Equations.

Online: 8 October 2019 (10:33:48 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201709.0153.v1

GPU Accelerated Particle-based Computational Acoustics Solving Based on SPH

Linxu Fan, Yongou Zhang, Chizhong Wang, Tao Zhang

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: SPH; particle-based computational acoustics (PCA); meshfree method; GPU

Online: 29 September 2017 (10:07:57 CEST)

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Preprint ESSAY | doi:10.20944/preprints201901.0330.v1

An Efficient Local Formulation for Time-Dependent PDEs

Imtiaz Ahmad, Muhammad Ahsan, Masood Ahmad, Zaheer ud Din, Poom Kumam

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Local meshless method, RBFs, Irregular domains, Kortewege-de Vries types equations, reaction-diffusion Brusselator system.

Online: 31 January 2019 (14:27:34 CET)

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Preprint ARTICLE | doi:10.20944/preprints201808.0112.v2

Fully Connected Conditional Random Fields for High-Resolution Remote Sensing Land Use/Land Cover Classification with Convolutional Neural Networks

Bin Zhang, Cunpeng Wang, Yonglin Shen, Yueyan Liu

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: remote sensing; image classification; fully connected conditional random fields (FC-CRF); convolutional neural networks (CNN)

Online: 28 November 2018 (07:11:42 CET)

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Preprint ARTICLE | doi:10.20944/preprints201710.0051.v1

Resource Demand Forecasting Model Based on Dynamic Cloud Workload

Chunyan An, Jiantao Zhou

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: cloud computing; workload model; workload-aware resource forecasting model

Online: 9 October 2017 (12:40:34 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201811.0594.v1

A Hidden Markov Model for the Linguistic Analysis of the Voynich’s Manuscript

Luis Acedo

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Hidden Markov Models; Mathematical Linguistics; Voynich Manuscript

Online: 26 November 2018 (14:02:40 CET)

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Preprint ARTICLE | doi:10.20944/preprints201808.0231.v1

A Computational Method with MAPLE for a Piecewise Polynomial Approximation to the Trigonometric Functions

Quan Le Phuong

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: approximation; approximate value; evaluation error, approximation error; piecewise approximate polynomial; rational approximation; Taylor's Theorem

Online: 13 August 2018 (14:40:24 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202006.0370.v2

Defining and Computing Reproduction Numbers to Monitor the Outbreak of Covid-19 or Other Epidemics

Paulo Zingano, Janaina Zingano, Alessandra Silva, Carolina Zingano

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Covid-19 outbreak; SARS-Cov-2 coronavirus; reproduction numbers; SEIR models; parameter determination; herd immunity against Covid-19

Online: 16 February 2021 (13:18:54 CET)

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Preprint ARTICLE | doi:10.20944/preprints201808.0282.v1

Shape Preservation of Tension Controlled Ternary 4-point Non-Stationary Interpolating Subdivision Scheme

Khurram Pervez, Syed Hussain Shah

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Ternary; subdivision scheme; Non-stationary, Tension controlled, shape preservation

Online: 16 August 2018 (12:14:35 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202005.0444.v1

Online Sequential Extreme Learning Machine: A New Training Scheme for Restricted Boltzmann Machines

BERGHOUT Tarek

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: restricted Boltzmann machine; contrastive divergence; extreme learning machine; online sequential extreme learning machine; autoencoders; deep belief network; deep learning

Online: 27 May 2020 (08:18:39 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201905.0033.v1

Machine Learning Prediction Models of Electrical Efficiency of Photovoltaic-Thermal Collectors

Mohammad Hossein Ahmadi, Alireza Baghban, Ely Salwana, Milad Sadeghzadeh, Mohammad Zamen, Shahab Shamshirband, Ravinder Kumar

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: PV/T collector; electrical efficiency; renewable energy; intelligent models; optimization; machine learning; multilayer perceptron (MLP), artificial neural network (ANN); adaptive neuro-fuzzy inference system (ANFIS); least squares support vector machine (LSSVM); photovoltaic-thermal (PV/T)

Online: 6 May 2019 (08:10:59 CEST)

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Preprint SHORT NOTE | doi:10.20944/preprints202006.0370.v1

Defining and Computing Reproduction Numbers to Monitor the Outbreak of Covid-19 or Other Epidemics

Paulo Zingano, Janaina Zingano, Alessandra Silva, Carolina Zingano

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Covid-19 outbreak; SARS-Cov-2 coronavirus; reproduction numbers; deterministic SEIR models; parameter determination; robust methods

Online: 30 June 2020 (11:40:43 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201903.0093.v1

New Generalized Projection Speeds Up Audio Declipping

Pavel Rajmic, Pavel Záviška, Vítězslav Veselý, Ondřej Mokrý

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: projection; optimization; generalization; box constraints; declipping; desaturation; proximal splitting; sparsity

Online: 7 March 2019 (12:11:19 CET)

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Preprint ARTICLE | doi:10.20944/preprints201802.0094.v1

On the Analysis of Mixed-Index Time Fractional Differential Equation Systems

Kevin Burrage, Pamela Burrage, Ian Turner, Fanhai Zeng

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: time fractional differential equations; mixed-index problems; analytical solutions; asymptotic stability

Online: 13 February 2018 (09:03:54 CET)

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Preprint ARTICLE | doi:10.20944/preprints202204.0220.v1

Recommendations of Scrna-Seq Differential Gene Expression Analysis Based on Comprehensive Benchmarking

Jake Gagnon, Lira Pi, Matthew Ryals, Qingwen Wan, Wenxing Hu, Zhengyu Ouyang, Baohong Zhang, Kejie Li

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: scRNA-seq; single cell; RNA-seq; DEG; differential expression; DE; benchmarking; scRNA-seq simulator

Online: 25 April 2022 (06:18:45 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201905.0263.v1

Modeling Natural Gas Compressibility Factor Using a Hybrid Group Method of Data Handling

Abdolhossein Hemmati-Sarapardeh, Sassan Hajirezaie, Mohamad Reza Soltanian, Amir Mosavi, Shahab Shamshirband

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: natural gas; gas compressibility factor; group method of data handling (GMDH); big data; equation of state; correlation

Online: 22 May 2019 (08:29:32 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201805.0025.v1

On Games and Cost of Change

Sjur Didrik Flåm

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: adjustment costs; proximal methods; stationary states; games; equilibria

Online: 2 May 2018 (11:43:36 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202005.0484.v1

Stability Analysis and Semi-analytic Solution to a SEIR-SEI Malaria Transmission Model Using HE’s Variational Iteration Method

Kingsley Timilehin Akinfe, Adedapo Chris Loyinmi

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: SEIR-SEI; Basic Reproduction number; Disease-Free equilibrium point (DFE); Endemic equilibrium point; Stability; Variational iteration method (VIM); Runge-Kutta-Felhberg (RKF-45)

Online: 31 May 2020 (17:39:41 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201911.0262.v1

On a Dual Direct Cosine Simplex Type Algorithm and Its Computational Behavior

Elsayed Badr, khalid Aloufi

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: linear programming; dual simplex method; dual direct cosine method; two-phase method

Online: 22 November 2019 (10:06:37 CET)

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Preprint ARTICLE | doi:10.20944/preprints201905.0164.v1

Solution of Volterra’s Integro-Differential Equations by Using Variational Iteration Method

Abdulla - Al - Mamun, Weidong Tao, Md. Asaduzzaman

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Variational iteration method, Integro-differential equation, Lagrange multiplier, Homotopy perturbation method.

Online: 13 May 2019 (14:22:28 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201806.0440.v1

An Efficient Grid-based K-prototypes Algorithm for Sustainable Decision Making Using Spatial Objects

Hong-Jun Jang, Byoungwook Kim, Jongwan Kim, Soon-Young Jung

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: clustering; spatial data; grid-based k-prototypes; data mining; sustainability

Online: 27 June 2018 (10:21:22 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201805.0381.v1

Application of Kinetic Flux Vector Splitting Scheme for Solving Viscous Quantum Hydrodynamical Model of Semiconductor Devices

Ubaid Ahmed Nisar, Waqas Ashraf, Shamsul Qamar

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: semiconductors; FDM; computational

Online: 28 May 2018 (05:01:34 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201906.0153.v1

Non-Intrusive Inference Reduced Order Model for Fluids Using Deep Multistep Neural Network

Xuping Xie, Guannan Zhang, Clayton G. Webster

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: reduced-order model; fluid dynamics; neural network; multistep method; optimization

Online: 17 June 2019 (05:46:09 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201910.0017.v1

Application of Differential Transform to Multi-Term Fractional Differential Equations with Non-Commensurate Orders

Josef Rebenda

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: fractional differential equation; non-commensurate orders; initial value problem; differential transform; fractional power series

Online: 2 October 2019 (05:55:33 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202008.0272.v1

A Study on the Determinants of some Hessenberg Toeplitz Bohemians

Jishe Feng, Hongtao Fan

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Bohemian; Toeplitz matrix; Hessenberg matrix; tridiagonal matrix; pentadiagonal matrix

Online: 12 August 2020 (06:00:31 CEST)

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Preprint SHORT NOTE | doi:10.20944/preprints202304.0206.v1

On the Group of Universal Gates for a Two-Qubit Quantum System

Bakytzhan Oralbekov, Aset Durmagambetov, Maksut Abenov, Batyrzhan Daulet

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Quantum computing; Abelian group; quantum gates

Online: 11 April 2023 (07:13:21 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202105.0174.v1

Non-Commutative Key Exchange Protocol

Luis Adrián Lizama-Pérez, José Mauricio López Romero

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Non-commutative; matrix; cryptography

Online: 10 May 2021 (11:09:10 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202111.0555.v1

Determining COVID-19 Dynamics Using Physics Informed Neural Networks

Joseph Malinzi, Simanga Gwebu, Sandile Motsa

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Physics Informed Neural Networks; Mathematical modeling; COVID-19

Online: 30 November 2021 (10:41:39 CET)

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Preprint ARTICLE | doi:10.20944/preprints201806.0209.v1

On Computational Aspects of Bismuth Tri-Iodide

Abaid ur Rehman Virk, Waqas Nazeer, Shin Min Kang

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: topological index; Bismuth Tri-Iodide; molecular graph; Zagreb index; Randic index; zagreb polynomial

Online: 13 June 2018 (10:46:10 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202009.0516.v1

Novel Ensemble Approach of Deep Learning Neural Network Model and Particle Swarm Optimization (PSO) Algorithm for Prediction of Gully Erosion Susceptibility

Shahab S, Saeid Janizadeh, Subodh Chandra Pal, Asish Saha, Rabin Chakrabortty, Manouchehr Shokri, Amirhosein Mosavi

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: gully erosion susceptibility; deep learning neural network; particle swarm optimization; Shiran watershed

Online: 22 September 2020 (09:48:07 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201807.0117.v1

An Improvement Differential Evolution Algorithms for the Crop Planning in the Northeastern Region of Thailand

Udompong Ketsripongsa, Rapeepan Pitakaso, Kanchana Sethanan, Tassin Srivarapongse

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Differential Evolution Algorithm; Crop Planning; Economic Crops; Improvement Differential Evolution algorithm

Online: 6 July 2018 (14:03:42 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202108.0415.v1

Intuitionistic Fuzzy Normed Prime Ideal and Some of Their Characteristics

Tekalign Regasa Ashale

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Intuitionist Fuzzy Normed Ring; Intuitionist fuzzy normed Ideal; Intuitionist Fuzzy Normed Point; Fuzzy Normed Prime Idea

Online: 20 August 2021 (12:48:41 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201911.0253.v1

Calculating Point Cloud Object Volume Using Co-Opposite-Direction Slicing Method

Bin Li, Xiaowei Bi, Cheng Peng, Yong Chen, Xiaofa Zhao, Chengsheng Yang

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: point cloud objects (PCOs); volume calculation (VC); co-opposite-direction slicing method (CODSM); systematic directional errors; random errors

Online: 22 November 2019 (05:37:00 CET)

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Preprint ARTICLE | doi:10.20944/preprints201810.0313.v1

Radiative Microwave Heating of Hyperthermia Therapy on Breast Cancer in a Porous Medium

Segun Isaac Oke, S Olakunle Salawu, Maba B Matadi, Isaac L Animasaun

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: hyperthermia treatment; bioheat transfer; breast cancer; radiation; biological tissue

Online: 15 October 2018 (13:02:05 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201810.0561.v1

Mathematical Modelling of Human African Trypanosomiasis Using Control Measures

Hamenyimana Emanuel Gervas, Nicholas Kwasi-Do Ohene Opoku, Shamsuddeen Ibrahim

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Human African Trypanosomiasis (HAT), Mathematical modelling, optimal control, Control measures

Online: 24 October 2018 (09:05:54 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202105.0481.v1

Mathematical Modelling for the Transmission Dynamics of blinding Trachoma

Salisu Muhammad Muhammad, Evren Hincal

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Trachoma Model; Reproduction number; Chlamydia Trachomatis; Stability; sensitivity analysis; Model fitting.

Online: 20 May 2021 (10:57:07 CEST)

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Trachsummaroma is an eye infectious disease caused by Chlamydia Trachomatis bacterium, which may lead to irreversible blindness. The disease is spread directly or indirectly by contacting a contaminated material. It can also be transmitted through the disease vector known as “Musca sorbens” or “Bazaar fly”. To curtail the spread of the disease in a population, a meaningful information on the spread and possible control of the disease is required. Mathematical modeling provides efficient tools that can be used to understand and analyze the dynamics of the disease and its control. Several compartmental epidemic models have been proposed in the literature to study the dynamics of trachoma; including SI, SIR and SEIR. However, majority of the existing trachoma models consider only person to person transmission. Thus, the information provided by such models is insufficient since they did not capture the disease vector transmission. The current study proposed a novel SEIR-SEI model that consider both person-person and vector transmission dynamics. The threshold quantity, basic reproduction number R0 is obtained using the next generation matrix, and it was proved that the disease-free equilibrium is asymptotically stable when R0 < 1, and the endemic equilibrium is globally asymptotically stable when R0 > 1. Some simulation results with the aid of mesh plots for the reproductive number as a function of two different biological parameters were obtained. Furthermore, a comprehensive sensitivity analysis is conducted to identify the influence of the individual parameters on the R0. Numerical results show that the vector contact rate has the highest sensitivity with respect to R0, and the value of R0 increases with increase in, hence, the disease can be controlled by decreasing the vector contact rate. Similarly, improving the rate of environmental hygiene and facial cleanliness will decrease the size of R0 and result in the declination of the disease transmission. Moreover, a detailed parameter estimation of the model parameters and model fitting was presented with the use of field data cases from Northern Nigeria using least-square fitting method. The study provides alternative tools that can be used for planning trachoma control program to achieve global eradication of trachoma as a public heath challenge as targeted by WHO in 2030.

Preprint ARTICLE | doi:10.20944/preprints201902.0059.v2

The Disprove of the Komlos Conjecture

Samir Brahim Belhaouari, Randa AlQudah

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Komlos Conjecture; optimazation; discrepancy theory

Online: 9 July 2019 (08:41:45 CEST)

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Komlos conjecture is about the existing of a universal constant

K

such that for all dimension

n

and any collection of vectors

\vec{V_{1}}, \dots, \vec{V_{n}} \in ℝ^{n}

with

\vec{V_{.}}_{2} \leq 1

, there are weights

ε_{i} \in {- 1, 1}

in such that

\sum_{i = 1}^{n}

. In this paper, the constant

K (n)

is evaluated for

n \leq 5

to be

K (2) = \sqrt{2}

,

K (3) = \frac{\sqrt{2} + \sqrt{11}}{3}

,

K (4) = \sqrt{3}

, and

K (5) = \frac{4 + \sqrt{142}}{9}

. For higher dimension, the function

f (n) = \sqrt{n - l o g_{2} (2^{n - 1} / n)}

is found to be the lower bound for the constant

K (n)

, from where it can be concluded that the Komlos conjecture is false i.e., the universal constant

K

does not exist because of

\lim_{n \to \infty} K (n) \geq \lim_{n \to \infty} \sqrt{\log (n) - 1} = + \infty

.

Preprint ARTICLE | doi:10.20944/preprints201910.0213.v1

Quasi Cubic Trigonometric Curve and Surface

Guicang Zhang, Kai Wang

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Quasi Extended Chebyshev space; optimal normalized totally positive basis; high-order continuity; shape preserving; shape features

Online: 18 October 2019 (11:33:13 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201808.0219.v1

Evolve Then Filter Regularization for Stochastic Reduced Order Modeling

Xuping Xie, Feng Bao, Clayton G. Webster

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: reduced order modeling; regularization; fluid dynamics; stochastic Burgers Equation; proper orthogonal decomposition; spatial filter

Online: 13 August 2018 (08:12:13 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201906.0087.v1

Speeding up the Karatsuba Algorithm

Satish Ramakrishna, Kamesh Aiyer

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Karatsuba; memory; CPU

Online: 11 June 2019 (08:05:43 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202103.0716.v1

Non-Commutative Key Exchange Protocol

Luis Adrián Lizama-Pérez, José Mauricio López Romero

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Non-commutative; matrix; cryptography

Online: 30 March 2021 (09:35:46 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202002.0410.v1

On Efficient Iterative Numerical Methods for Simultaneous Determination of all Roots of Non-Linear Function

Mudassir Shams, Nazir Mir, Naila Rafiq

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Single roots; Distinct roots; Multiple roots; Optimal order; Non-Linear equation; Iterative methods; Simultaneous Methods; Basin of attraction; Computational Efficiency

Online: 27 February 2020 (16:02:39 CET)

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Preprint ARTICLE | doi:10.20944/preprints202009.0158.v1

A Finite Element based Micromechanical Model to Simulate Fatigue Damage Development in Open-Hole Laminated Composites

mohammad ghalandari, Hossein Toozandehjani, Ibrahim Mahariq

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: progressive fatigue model; micromechanical model; finite element simulation; composite laminate

Online: 7 September 2020 (07:21:35 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202007.0588.v1

Proof that P ≠ NP

Jamell Ivan Samuels

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Computational Complexity; Probability; Mathematics

Online: 24 July 2020 (13:53:24 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201809.0472.v2

Inflation Propensity of Collatz Orbits: A New Proof-of-Work for Blockchain Applications

Fabian Bocart

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: geometric distribution; collatz conjecture; inflation propensity; systemic risk; cryptocurrency; blockchain; proof-of-work

Online: 26 November 2018 (07:25:04 CET)

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Preprint ARTICLE | doi:10.20944/preprints201807.0271.v1

A Heuristic Method for Certifying Isolated Zeros of Polynomial Systems

Jin-San Cheng, Xiaojie Dou

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: over-determined polynomial system; isolated zeros; minimum point; sum of squares; interval methods

Online: 16 July 2018 (10:15:02 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202002.0379.v4

The Complexity of Mathematics

Frank Vega

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: complexity classes; regular languages; reduction; number theory; conjecture; primes

Online: 2 April 2020 (18:25:32 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202206.0414.v1

Optimizing Hyperparameters and Architecture of Deep Energy Method

Charul Chadha, Diab Abueidda, Seid Koric, Erman Guleryuz, Iwona Jasiuk

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Elasticity; Machine learning; Minimum potential energy; Partial differential equations (PDEs); Physics-informed neural network

Online: 30 June 2022 (04:25:56 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201908.0247.v1

What do a Longest Increasing Subsequence and a Longest Decreasing Subsequence Know About Each Other?

Elizabeth J. Itskovich, Vadim E. Levit

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Erd˝os-Szekeres theorem; longest increasing sequence; longest decreasing sequence

Online: 23 August 2019 (11:35:32 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202203.0178.v1

Digital Triage Tool Using Artificial Intelligence and Patient History for Detecting Selected Neurological Diseases and Sensing the Bottleneck between Symptoms, Diagnosis, and Therapy

Lorenz Grigull, Werner Lechner, Frank Klawonn

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: artificial intelligence; data mining; diagnostic decision support; rare diseases; questionnaire anamnesis; neuromuscular diseases; high latencies

Online: 14 March 2022 (08:58:29 CET)

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Working Paper ARTICLE

A High Accurate and Stable Legendre Transform Based on Block Partitioning and Butterfly Algorithm for NWP

Fukang Yin, Jianping Wu, Junqiang Song, Jinhui Yang

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: legendre transform; block partitioning; interpolative decomposition; butterfly algorithm

Online: 22 September 2019 (15:40:27 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201906.0081.v1

Analysis of a Global Futures Trend-Following Strategy

Derek Nokes, Lawrence Fulton

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: trend-following; Monte Carlo; sensitivity analysis

Online: 11 June 2019 (03:53:07 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202109.0208.v1

A New Edge betweenness Measure Using a Game Theoretical Approach : An Application to Hierarchical Community Detection

Daniel Gómez, Javier Castro, Inmaculada Gutiérrez García-Pardo, Rosa Espínola

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Game Theory; Graph Theory; Hierarchical Clustering networks; Community Detection problems; Divisive Algorithms

Online: 13 September 2021 (11:51:33 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202103.0299.v2

A Simplified Multifractal Model for Self-Similar Traffic Flows in High-Speed Computer Networks

Ginno Millán

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Multifractals, Self-similarity, Hurst exponent (H), High-speed computer networks, Traffic models.

Online: 12 March 2021 (09:36:16 CET)

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Preprint ARTICLE | doi:10.20944/preprints202105.0644.v1

Novel Method to Analytically Obtain the Asymptotic Stable Equilibria States of Extended SIR-type Epidemiological Models

Teddy Lazebnik, Svetlana Bunimovich-Mendrazitsky, Leonid Shaikhet

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Markov chain; random variable transformation technique; asymptotic stable equilibria state; three age group SIIRD model

Online: 26 May 2021 (14:29:42 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202001.0365.v1

Modified Election Algorithm in Accelerating the Performance of Hopfield Neural Network for Random kSatisfiability

Hamza Abubakar, Saratha Sathasivam, Mohd. Asyraf Mansor, Mohd Shareduwan Mohd Kasihmuddin

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Hopfield Neural Networks; Election Algorithm; Imperialistic Competitive Algorithm; Exhaustive Search; Random Satisfiability; Logic Programming

Online: 30 January 2020 (11:46:31 CET)

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Preprint ARTICLE | doi:10.20944/preprints202109.0157.v1

Using Non-Fourier’s Heat Flux and Non-Fick’s Mass Flux Theory in the Radiative and Chemically Reactive Flow of Powell-Eyring Fluid

Hina Firdous, Syed Tauseef Saeed, Hijaz Ahmed, Syed Muhammad Husnine

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Eyring-Powell fluid; Non-Fourier’s heat flux and non-Fick’s mass flux theory; Boundary layer flow; Radiation; Convective boundary conditions.

Online: 8 September 2021 (16:29:03 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202204.0045.v1

A Predictor-Corrector Algorithm for IVPs in Frame of Generalized Fractional Operator With Mittag-Leffler Kernels

Ibrahim Slimane, Zaid Odibat, Dumitru Baleanu

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Fractional differential equation; singular generalized fractional derivative; Mittag-Leffler kernel; predictor-corrector algorithm; numerical solution

Online: 6 April 2022 (11:38:48 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201912.0173.v1

An Efficient and Leightweight Illumination model for Planetary Bodies including Direct and Diffuse Radiation

Marco Scharringhausen

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: illumination; surface properties; planetary imaging

Online: 12 December 2019 (12:32:27 CET)

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Preprint ARTICLE | doi:10.20944/preprints202204.0068.v1

Functional Data Analysis for Imaging Mean Function Estimation: Computing Times and Parameter Selection

Juan Arias López, Carmen Cadarso Suárez, Pablo Aguiar Fernández

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Functional Data Analysis; Image Processing; Brain Imaging; Neuroimaging; Computational Neuroscience; Data Science

Online: 8 April 2022 (03:21:06 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202103.0325.v2

A Simple Chaotic Map Model for Fractal Traffic Generation in High-speed Computer Networks

Ginno Millán

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Chaotic maps; Fractality; Hurst exponent (H); Self-similarity; Traffic modeling in high-speed computer networks

Online: 15 March 2021 (16:32:07 CET)

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Preprint ARTICLE | doi:10.20944/preprints202103.0275.v1

Traffic Flows Analysis in High-Speed Computer Networks Using Time Series

Ginno Millán

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Computer networks, Hurst exponent, IEEE 802.3ab standard, Time series analysis, Traffic flows analysis.

Online: 10 March 2021 (10:33:30 CET)

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Preprint CONCEPT PAPER | doi:10.20944/preprints202203.0129.v2

A Generic Scalable DFT Calculation Method for Vectors and Matrices Using Matrix Multiplications

Abdullah Aman Khan

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Discrete Fourier Transform; Fourier Transform; Twiddle factor

Online: 11 March 2022 (11:03:46 CET)

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Preprint TECHNICAL NOTE | doi:10.20944/preprints202203.0036.v1

Vedic Mathematics Approach to Speedup Parallel Computations

Urmila Shrawankar, Chaitreya Shrawankar

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Vedic mathematics; parallel computation; parallelism; Multicore Systems; pipelining; 1D and 2D partitioning; linear equations solving; Paravartya Yojayet method; Sunyam Anyat method; Sankalana Vyavakalanabhyam method; Sopantyadvayamantyam method

Online: 2 March 2022 (07:37:16 CET)

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Preprint ARTICLE | doi:10.20944/preprints202109.0400.v1

The Role of the Double Layer Potential in Regularized Stokeslet Models of Self-Propulsion

David John Smith, Meurig Thomas Gallagher, Rudi Schuech, Thomas Douglas Montenegro-Johnson

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Stokes flow; propulsion; swimming; regularized stokeslets; double-layer; squirmer; undulating swimmer

Online: 23 September 2021 (11:02:27 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202004.0113.v1

Dynamics of the Rational Difference Equation $x_{n+1}=px_{n}+\frac{q}{x_{n-1}^2}$

Sk Sarif Hassan

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: rational difference equation; asymptotic stability; periodic solutions; chaos and fractal

Online: 8 April 2020 (03:59:40 CEST)

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Working Paper ARTICLE

Evaluation of the Komlos Conjecture Using Multi-Objective Optimization

Samir Brahim Belhaouari, Randa AlQudah

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Komlos Conjecture; optimazation; discrepancy theory

Online: 31 October 2019 (06:09:49 CET)

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Preprint ARTICLE | doi:10.20944/preprints201911.0366.v1

Computing Persistent Homology of Directed Flag Complexes

Daniel Luetgehetmann, Dejan Govc, Jason P. Smith, Ran Levi

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: neural networks; topology; directed graphs; directed flag complexes; persistent homology; computaional software

Online: 29 November 2019 (03:03:36 CET)

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Preprint REVIEW | doi:10.20944/preprints202204.0047.v1

A Survey Paper for Parsing of English Sentences Using Context-Free Grammar

Harsh Dhabekar, Chetanya Rathi, Harshit Mundhra, Pushkar Helge, Kartik Rajput

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Artificial Intelligence; Bottom-up Parser; Context-Free-Grammar; English Grammar; Python; Parse Table; Semantic Parser; Top-downParser

Online: 6 April 2022 (12:42:37 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202004.0537.v1

New Two Parameter Gamma Function

Kuldeep Sing Gehlot

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: New/Generalized two parameter Gamma function; New/Generalized two parameter Pochhammer symbol; Two Parameter Pochhammer symbol; Two parameter Gamma function; New/Generalized two parameter Psi function; New/Generalized p - k Hypergeometric function

Online: 30 April 2020 (16:31:51 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202005.0504.v1

Chaos and Pattern Formation in Spatial Phytoplankton Dynamics

Randhir Singh Baghel

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Reaction-diffusion equation; phytoplankton dynamics; Spatiotemporal pattern formation; Chaos; Local Stability

Online: 31 May 2020 (20:31:07 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201912.0069.v1

Application of Statistical Mirroring in Biological Sequence Analysis

Kabir Bindawa Abdullahi

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: statistical mirroring; genomic mirrors; comparative optinalysis; multiple comparison; inferences; homology

Online: 5 December 2019 (11:36:25 CET)

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Preprint ARTICLE | doi:10.20944/preprints202002.0248.v1

Predictive Modeling of Henry’s Law Constant in Chemical Structures Using LSSVM and ANFIS Algorithms

Qikai Wang, Aiqin Yao, Manouchehr Shokri, Adrienn A. Dineva

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Henry’s Law; chemical structure; Artificial intelligence; LSSVM; ANFIS

Online: 17 February 2020 (15:31:16 CET)

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Preprint ARTICLE | doi:10.20944/preprints201911.0232.v1

An Exact Parallel Algorithm for the Radio k-coloring Problem

Elsayed M. Badr, Khalid Aloufi

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: radio k-coloring; radio number; MPI; parallel algorithm

Online: 20 November 2019 (02:19:01 CET)

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Preprint ARTICLE | doi:10.20944/preprints201911.0268.v1

Optinalytic (Statistical) Mirroring: A New Novel Approach of Measure of Dispersion

Kabir Bindawa Abdullahi

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: statistical mirrors; central tendencies; reflector; reflecter; comparative optinalysis; inferences

Online: 24 November 2019 (04:53:43 CET)

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Preprint ARTICLE | doi:10.20944/preprints201905.0295.v2

Optinalysis: A New Approach of Symmetry Detection and Similarity Measurement through a Looking-Glass

Kabir Bindawa Abdullahi

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: sequence; correspondence; symmetry; similarity; Kabirian Coefficient

Online: 13 November 2019 (07:12:46 CET)

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Preprint ARTICLE | doi:10.20944/preprints202207.0041.v1

Estimating the Basic Reproduction Number for the Second Wave of COVID–19 Pandemic in Nigeria

Ashiribo Wusu, Olusola Olabanjo, Manuel Mazzara

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: coronavirus; COVID-19; pandemic; compartmental model; Nigeria

Online: 4 July 2022 (08:42:03 CEST)

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It is no news that the COVID–19 pandemic has affected many persons in different ways. As the number of reported cases rises across the globe, efforts are geared towards production and administration of effective vaccines for the disease. However, many developing countries are faced with the dilemma of how to slow the spread and flatten the curves of the disease as the available vaccines are not enough. Interestingly, the dynamics of the disease can be analysed to get useful insights to enhance the making of suitable preventive policies that will slow the spread, ultimately flatten the curves of the disease and also help in managing any future occurrence. In this work, the aim is to analyse the dynamics, and estimate the basic reproduction number of the second wave of the pandemic in Nigeria using a Susceptible-Infected-Recovered-Deceased (SIRD) compartmental–based model. The dynamics of the disease is described by a system of nonlinear ordinary differential equations. The model takes into consideration the current control policies in place - social distancing, mask usage, personal hygiene and quarantine. Available data provided by Nigeria Centre for Disease Control (NCDC), World Health Organization (WHO) and Wolfram Data Repository were used for the computations. The Quasi–Newton algorithm was implemented in fitting the proposed model to the available data and a sensitivity analysis was presented. Major parameters - effective contact rate, average recovery time, average mortality rate, and overall effectiveness of the control policies - influencing the dynamics of the disease, and the basic reproduction numbers were estimated. The turning points of the disease during the second wave were also obtained. The proposed model gave estimated values for the parameters influencing the spread of the disease. Also, the measure of the overall effectiveness of the current control policies gave insight into how effective the measures are.

Working Paper ARTICLE

Hybrid Classical-Quantum Computing: Applications to Statistical Mechanics of Neocortical Interactions

Lester Ingber

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: path integral; quantum systems; neocortical interactions

Online: 22 April 2021 (14:10:21 CEST)

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Hybrid Classical-Quantum computing has already arrived at several commercial quantum computers, offered to researchers and businesses. Here, application is made to a classical-quantum model of human neocortex, Statistical Mechanics of Neocortical Interactions (SMNI), which has had its applications published in many papers since 1981. However, this project only uses Classical (super-)computers. Since 2015, a path-integral algorithm, PATHINT, used previously to accurately describe several systems in several disciplines, has been generalized from 1 dimension to N dimensions, and from classical to quantum systems, qPATHINT. Published papers have described the use of qPATHINT to neocortical interactions and financial options. The classical space described by SMNI applies nonlinear nonequilibrium multivariate statistical mechanics to synaptic neuronal interactions, while the quantum space described by qPATHINT applies synaptic contributions from Ca2+ waves generated by astrocytes at tripartite neuron-astrocyte-neuron sites. Previous SMNI publications since 2013 have calculated the astrocyte Ca2+ wave synaptic interactions from a closed-form (analytic) expression derived by the author. However, more realistic random shocks to the Ca2+ waves from ions entering and leaving these wave packets should be included using qPATHINT between electroencephalographic (EEG) measurements which decohere the quantum wave packets. This current project extends calculations to multiple scales of interaction between classical events and expectations over the Ca2+ quantum processes to include these random shocks in previous codes used to fit EEG data to the SMNI model, that included the analytic forms for the quantum processes but now replaced by qPATHINT. The author's Adaptive Simulated Annealing (ASA) importance-sampling optimization code is used for fitting the combined classical-quantum system. Gaussian Quadratures is used for numerical calculation of momenta expectations of the astrocyte processes that contribute to SMNI synaptic interactions. This project thereby demonstrates how some hybrid classical-quantum systems may be calculated quite well using only classical (super-)computers.

Preprint ARTICLE | doi:10.20944/preprints202008.0239.v1

A Moment-Based Method of Optinalysis

Kabir Bindawa Abdullahi

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Automorphism; Identity; Isometry; Isomorphism; Similarity; Symmetry

Online: 10 August 2020 (06:29:58 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202103.0716.v2

Non-Commutative Key Exchange Protocol

Luis Adrián Lizama-Pérez, José Mauricio López Romero

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Non-commutative; matrix; cryptography

Online: 23 March 2022 (11:08:28 CET)

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Preprint ARTICLE | doi:10.20944/preprints201911.0141.v1

Statistical Models in Comparative Optinalysis through Induced Systematic Skewization Mechanisms

Kabir Bindawa Abdullahi

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: sensitivity points; paranodic skewization; synodic skewization; Kabirian coefficient; regression lines; statistical models

Online: 13 November 2019 (03:46:03 CET)

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Preprint ARTICLE | doi:10.20944/preprints201810.0649.v1

An Exploration of a Balanced Up-downwind Scheme for Solving Heston Volatility Model Equations on Variable Grids

Chong Sun, Qin Sheng

Subject: Computer Science And Mathematics, Computational Mathematics Keywords: Heston volatility model; initial-boundary value problems; finite difference approximations; up-downwind scheme; order of convergence; stability

Online: 29 October 2018 (04:24:12 CET)

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Computer Science and Mathematics