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Preprint ARTICLE | doi:10.20944/preprints202209.0239.v1

Classification And Identification of Organic Matter in Black Soil Based on Simulated Annealing Optimization of LSVM-Stacking Model

Junlong Fang, Kezhu Tan, Zifang Zhang, Zhihua Liu, Hongzhao Xu, Qinghe Zhao

Subject: Engineering, General Engineering Keywords: Hyperspectral Technology; Non-destructive Testing; Black Soil; Ensemble learning; Support Vector Machine

Online: 16 September 2022 (07:40:27 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201906.0176.v1

Wheat Varietal Differences in Below Ground Biomass Revealed by a Semi-Quantitative Estimation of Wheat Root DNA in Soil Samples

Huw Jones, Steven Bentley, Lydia Smith, Alison Karley, Tracy Valentine, Charlotte White, Rhys Ashton, Lesley Boyd

Subject: Biology, Agricultural Sciences & Agronomy Keywords: root biomass; wheat; field crops; black-grass; high-throughput; variety trials

Online: 18 June 2019 (12:51:51 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202104.0315.v1

Deciphering Black Hole Spin, Inclination angle & Charge From Kerr Shadow

Deep Bhattacharjee

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: Black Hole Physics, Black Hole Spin, Black Hole Charge, Black Hole Inclination Angle, Black Hole Shadow, Boyer-Lindquist Frame

Online: 12 April 2021 (14:24:05 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202103.0391.v2

Origins of Stellar Mass Neutron Black Holes, Supermassive Dark Matter Black Holes and Universe Evolution

Jae-Kwang Hwang

Subject: Physical Sciences, Particle & Field Physics Keywords: Neutron black holes; dark matter black holes; black hole mass gap; universe evolution

Online: 18 March 2021 (10:52:30 CET)

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Working Paper ARTICLE

Brightest Point in Accretion Disk and Black Hole Spin: Implication to the Image of Black Hole M87*

Vyacheslav I. Dokuchaev, Natalia O. Nazarova

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: General Relativity, gravity, black hole, black hole shadow

Online: 18 June 2019 (10:31:12 CEST)

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Preprint REVIEW | doi:10.20944/preprints202209.0135.v1

Solution of Black Hole Information Paradox in Loop Quantum Gravity

Rakshit Vyas, Mihir Joshi

Subject: Physical Sciences, Nuclear & High Energy Physics Keywords: black Hole; black hole thermodynamics; black hole information paradox; loop quantum gravity; Planck star; remnant scenario

Online: 9 September 2022 (09:49:01 CEST)

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Preprint REVIEW | doi:10.20944/preprints202105.0487.v1

M87 Supermassive Black Hole Review

Mekhala Ganguly

Subject: Physical Sciences, Acoustics Keywords: black hole; supermassive black hole; black hole physics; M87 galaxies; gravitation; Event Horizon; telescope; observational astronomy

Online: 20 May 2021 (11:45:25 CEST)

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Working Paper ARTICLE

Shadow of Topologically Charged Rotating Braneworld Black Hole

Hao-Ran Zhang, He-Xu Zhang, Yuan Chen, Peng-Zhang He, Jian-Bo Deng

Subject: Physical Sciences, Acoustics Keywords: rotating braneworld black hole; black hole shadow; the photon region

Online: 30 September 2020 (12:14:17 CEST)

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Working Paper ARTICLE

The Shadow of M87* Black Hole within Rational Nonlinear Electrodynamics

Sergey Kruglov

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: nonlinear electrodynamics; magnetic black holes; Event Horizon Telescope; M87* black hole

Online: 25 August 2020 (07:57:30 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201905.0210.v1

Photodetector Fast Spectral Response Estimation Using Black Body Radiation

Massimiliano Rossi, Riccardo Liberati, Alessio Del Paggio

Subject: Physical Sciences, Applied Physics Keywords: Infrared; Photodetector; Black Body

Online: 16 May 2019 (10:44:55 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201903.0194.v3

Tunneling of Massive Vector Particles from Types of BTZ-like Black Holes

Wajiha Javed, Riasat Ali, Rimsha Babar, Ali Övgün

Subject: Physical Sciences, General & Theoretical Physics Keywords: Proca equation; Bosons particles; Hawking radiation; Black hole thermodynamics; Higher- dimensional black holes

Online: 2 July 2019 (11:07:04 CEST)

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Preprint REVIEW | doi:10.20944/preprints201808.0485.v1

A Status Report on the Phenomenology of Black Holes in Loop Quantum Gravity: Evaporation, Tunneling to White Holes, Dark Matter and Gravitational Waves

Aurélien Barrau, Killian Martineau, Flora Moulin

Subject: Physical Sciences, Particle & Field Physics Keywords: black holes; loop quantum gravity

Online: 29 August 2018 (08:26:06 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201807.0574.v1

The (A)symmetry between the Exterior and Interior of a Schwarzschild Black Hole

Pawel Gusin, Andy Augousti, Filip Formalik, Andrzej Radosz

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: black hole; event horizon; asymmetry

Online: 30 July 2018 (09:54:59 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202109.0368.v2

Black Holes as Markers of Dimensionality

Szymon Łukaszyk

Subject: Physical Sciences, Mathematical Physics Keywords: quantum black holes; entropic gravity; the black hole information paradox; Shannon entropy; Delaunay triangulation; black hole quantum statistics; logistic function/map; exotic ℝ4

Online: 25 November 2021 (11:12:36 CET)

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Preprint ARTICLE | doi:10.20944/preprints202109.0494.v2

P − V Criticality of the Non-linear Charged Black Hole Solutions in Massive Gravity

Houcine Aounallah, Hayade Zarei, Prabir Rudra, Barun Majumder, Hoda Farahani

Subject: Physical Sciences, General & Theoretical Physics Keywords: black holes; charged solutions; massive gravity

Online: 16 January 2023 (02:44:45 CET)

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Preprint ARTICLE | doi:10.20944/preprints202110.0129.v1

How Are Red and Blue Quasars Different? The Radio Properties

Victoria Anne Fawcett, David Alexander, David Rosario, Lizelke Klindt

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: Quasars; Galaxies; Radio; Supermassive Black-Holes

Online: 8 October 2021 (09:12:59 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202102.0456.v1

Dark Matter on the Closed Region Connected With Black Hole by Wormhole

Mostafa Bousder

Subject: Physical Sciences, Acoustics Keywords: black hole; entanglement; entropy; entagled particle

Online: 22 February 2021 (11:11:32 CET)

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Preprint ARTICLE | doi:10.20944/preprints202012.0508.v1

Entangled Particles Spinning on the Black Hole Horizon

Mostafa Bousder

Subject: Physical Sciences, Acoustics Keywords: black hole; , entanglement; entropy; entagled particle

Online: 21 December 2020 (11:15:07 CET)

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Preprint ARTICLE | doi:10.20944/preprints202007.0731.v1

Varying Newton Constant and Black Hole to White Hole Quantum Tunneling

Grigory Volovik

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: black hole; white hole; quantum tunneling

Online: 31 July 2020 (05:12:48 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201809.0441.v1

From Black Holes to Neutrino Stars

Roumen Tsekov

Subject: Physical Sciences, General & Theoretical Physics Keywords: self-gravitation, black holes, neutrino stars

Online: 21 September 2018 (16:41:04 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201612.0096.v1

A Zeroth Law Compatible Model to Kerr Black Hole Thermodynamics

Viktor G. Czinner, Hideo Iguchi

Subject: Physical Sciences, General & Theoretical Physics Keywords: black holes; entropy; nonextensive thermodynamics; stability

Online: 18 December 2016 (10:59:28 CET)

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Preprint ARTICLE | doi:10.20944/preprints202205.0192.v1

Interpretation of Time-Varying Radio Emissions of SgrＡ* Observed by 1.3 Millimeter-Wavelength VLBI ---with Parameters of The Super-Massive Black Hole Binary at SgrＡ* Based on Decameter Radio Wave Pulse Observations

Hiroshi Oya

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: galaxy center; supermassive black hole; black hole binary; VLBI; submillimeter radio wave; decameter radio wave; event horizon

Online: 13 May 2022 (11:01:08 CEST)

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Preprint SHORT NOTE | doi:10.20944/preprints202301.0337.v1

The Mass of Our Observable Universe

Enrique Gaztanaga

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: Cosmology; Dark Energy; General Relativity; Black Holes

Online: 18 January 2023 (10:32:09 CET)

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Preprint ARTICLE | doi:10.20944/preprints202201.0301.v9

Th Hyperboloidal Universe

Christopher Laforet

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: Cosmology; Black holes; Dark Energy; Schwarzschild metric

Online: 19 July 2022 (10:32:16 CEST)

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Preprint REVIEW | doi:10.20944/preprints202212.0519.v1

Challenges and Opportunities in the Genetic Analysis of Inherited Retinal Dystrophies in Africa, A Literature Review

Oscar Onyango, Marianne Mureithi, Dennis Kithinji, Walter Jaoko, Kaoru Fujinami

Subject: Medicine & Pharmacology, Ophthalmology Keywords: inherited; retinal; dystrophy; indigenous, black, Africa; genetics

Online: 27 December 2022 (10:45:25 CET)

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Preprint ARTICLE | doi:10.20944/preprints202212.0447.v1

White Holes are Christmas Magic

Enrique Gaztanaga

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: Cosmology; Dark Energy; General Relativity; Black Holes

Online: 23 December 2022 (06:37:59 CET)

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Preprint ARTICLE | doi:10.20944/preprints202209.0122.v1

The Black Hole Universe, part II

Enrique Gaztanaga

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: Cosmology; Dark Energy; General Relativity; Black Holes

Online: 8 September 2022 (09:18:04 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202205.0266.v2

Before the Big Bang: the Apollonian Universe

Enrique Gaztanaga

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: cosmology; dark energy; general relativity; black holes

Online: 14 July 2022 (03:50:34 CEST)

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Preprint REVIEW | doi:10.20944/preprints202201.0459.v2

How the Big Bang End Up Inside a Black Hole

Enrique Gaztanaga

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: Cosmology; Dark Energy; General Relativity; Black Holes; neutron stars

Online: 8 February 2022 (13:30:19 CET)

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Preprint ARTICLE | doi:10.20944/preprints202103.0575.v3

Black Holes or an Objects without Event Horizon?

Leonid Verozub

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: alternative theory of gravitation; astrophysics; black Holes

Online: 9 December 2021 (15:49:47 CET)

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Preprint ARTICLE | doi:10.20944/preprints202107.0297.v1

Influence of Acoustic Black Hole Array Embedded in a Plate on Its Energy Propagation and Sound Radiation

Haoming Liang, Xiandong Liu, Jiakai Yuan, Yue Bao, Yingchun Shan, Tian He

Subject: Engineering, Automotive Engineering Keywords: Acoustic black hole; vibration control; energy propagation

Online: 13 July 2021 (11:23:03 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202106.0302.v1

Magnetized black hole as an accelerator of charged particle

Bobur Turimov

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: magnetized black hole; fundamental frequancies; synchrootron radiation.

Online: 10 June 2021 (15:42:07 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202101.0190.v1

Valuation of Wind Energy Turbines Using Volatility of Wind and Price

Doron Greenberg, Michael Byalsky, Asher Yahalom

Subject: Engineering, Automotive Engineering Keywords: Wind energy; Renewable resources; Black-Scholes model

Online: 11 January 2021 (12:33:54 CET)

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Preprint ARTICLE | doi:10.20944/preprints202009.0761.v1

Amazonian BC Contribution to the Vallunaraju Glacier Surface Melt

Wilmer Sánchez, Carl Schmitt, Alexzander Santiago, Gerles Medina

Subject: Earth Sciences, Atmospheric Science Keywords: black carbon; snow; albedo; glaciers; trajectories, Vallunaraju

Online: 30 September 2020 (17:53:58 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202004.0169.v1

Black-Si as Photoelectrode

Denver Linklater, Fatima Haydous, Cheng Xi, Daniele Pergolesi, Jingwen Hu, Elena Ivanova, Saulius Juodkazis, Thomas Lippert, Jurga Juodkazyte

Subject: Chemistry, Electrochemistry Keywords: black Si; antireﬂection; photo-anode; water splitting9

Online: 10 April 2020 (07:51:31 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202003.0227.v1

One Observer Universe: A Geometric Interpretation of Speed of Light and Mass

Ahmed Farag Ali

Subject: Keywords: general relativity; gravity; black holes; ADM formalism

Online: 13 March 2020 (03:28:37 CET)

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Preprint ARTICLE | doi:10.20944/preprints201903.0112.v1

Lukewarm Blackhole in a Nash-Greene Framework

Abraão J. S. Capistrano

Subject: Physical Sciences, General & Theoretical Physics Keywords: extra-dimensions; gravity; Cosmological constant; Black-holes

Online: 11 March 2019 (07:49:26 CET)

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Preprint ARTICLE | doi:10.20944/preprints201707.0053.v1

Garlic (Allium sativum L.) Growth Parameters as Affected by Different Mulching with Irrigation under Fiche Condition, Ethiopia

Weldemariam Seifu Gessesew, Tsion Yemane Gebreslassie

Subject: Life Sciences, Other Keywords: Black polyethylene, Mulches, Allium sativum, Growth, Grass

Online: 19 July 2017 (22:50:23 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202209.0350.v1

Black Hole Entropy from Non-Dirichlet Sectors, and Bounce Solution

Inyong Park

Subject: Physical Sciences, Acoustics Keywords: black hole entropy; non-Dirichlet boundary condition; bounce

Online: 23 September 2022 (02:06:59 CEST)

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Preprint REVIEW | doi:10.20944/preprints202209.0338.v1

Identifying Influencing Factors of Road Accidents in Emerging Road Accident Black spots

Mehdi Gheisari

Subject: Mathematics & Computer Science, Information Technology & Data Management Keywords: Road; Accidents; Black spots; spatial analysis; Factor analysis

Online: 22 September 2022 (09:41:07 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202110.0324.v1

Study on Significant Drift in the Domain of Explainable Artificial Intelligence

Tavishee Chauhan, Hemant Palivela

Subject: Keywords: XAI; bibliometric analysis; black box models; artificial intelligence

Online: 22 October 2021 (09:52:36 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202107.0646.v3

Constraints on General Relativity Geodesics by a Covariant Geometric Uncertainty Principle

David Escors, Grazyna Kochan

Subject: Physical Sciences, General & Theoretical Physics Keywords: General relativity; Uncertainty principle; Geodesics; Black hole singularity; vacuum energy; Quantum gravity; Planck star

Online: 25 August 2021 (09:01:26 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202107.0225.v1

Effects of Climatic Change on the Potential Distribution of Lycoriella Species (Diptera: Sciaridae) of Economic Importance

Roberta Marques, Juliano Lessa Pinto Duarte, Adriane da Fonseca Duarte, Rodrigo Ferreira Krüger, Uemerson Silva da Cunha, Luis Osorio-Olvera, Rusby Guadalupe Contreras-Díaz, Daniel Jiménez-García

Subject: Earth Sciences, Atmospheric Science Keywords: Greenhouse; Environmental suitability; Mushroom pest; Black fungus gnats

Online: 9 July 2021 (13:44:47 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202009.0363.v1

Quadratic Gravity, Double Layers and Non-Conservative Energy-Momentum Tensor

Victor Berezin, Vyacheslav Dokuchaev, Yury Eroshenko, Alexey Smirnov

Subject: Physical Sciences, General & Theoretical Physics Keywords: gravitation; General Relativity; quadratic gravity; black holes; cosmology

Online: 16 September 2020 (12:02:23 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202005.0099.v1

4D Einstein-Lovelock Black Holes: Hierarchy of Orders in Curvature

Roman A. Konoplya, Alexander Zhidenko

Subject: Physical Sciences, General & Theoretical Physics Keywords: Gauss-Bonnet; black hole; Lovelock; Einstein; quasinormal; stability

Online: 6 May 2020 (15:17:54 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202003.0119.v1

Mining and Characterizing the SSR Markers for Black Rice Using the Illumina Sequencing Platform

Dhananjay Kumar, Prasanta Kumar Das, Chandra Singha, Bidyut Kumar Sarmah

Subject: Life Sciences, Biotechnology Keywords: black rice; transcriptome sequencing; genic SSRs; genetic diversity

Online: 7 March 2020 (09:03:34 CET)

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Preprint ARTICLE | doi:10.20944/preprints201909.0196.v3

Linearized Stability of Bardeen de-Sitter Thin-Shell Wormholes

Hassan Alshal

Subject: Physical Sciences, General & Theoretical Physics Keywords: Bardeen; black hole; de-Sitter; thin-shell; wormhole

Online: 7 October 2019 (12:35:21 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201812.0183.v1

Silver Nanoparticle-Based Paper Packaging to combat Black Anther Disease in Orchid Flowers

Bang-on Nokkrut, Sawitree Pisuttipiched, Somwang Khantayanuwong, Buapan Puangsin

Subject: Materials Science, Surfaces, Coatings & Films Keywords: Black anther disease; Orchid cut flower; Silver nanoparticles

Online: 17 December 2018 (09:45:17 CET)

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Preprint ARTICLE | doi:10.20944/preprints201810.0149.v1

Gender and Race in Ministry Leadership: Experiences of Black Clergywomen

Dr. Kimberly Nelms Smarr, PsyD, Dr. Rachelle Disbennett-Lee, PhD, Dr. Amy Cooper Hakim, PhD

Subject: Arts & Humanities, Religious Studies Keywords: Leadership, Women, Women Clergy, Black, Religion and Gender.

Online: 8 October 2018 (13:57:05 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202101.0386.v1

Multifrequency Gravitational Wave Background From Continuous Sources

C Sivaram, Arun Kenath

Subject: Physical Sciences, Acoustics Keywords: gravitational waves; neutron star mergers; black hole mergers; primordial black holes; continuous gravitational waves; thermal gravitational waves; detection of gravitational waves

Online: 19 January 2021 (15:55:47 CET)

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Preprint ARTICLE | doi:10.20944/preprints202207.0134.v1

Effect of Various Parameter on Perihelion Shift and Deflection Angle in Reissner-Nordstrom Spacetime

Surajit Mandal

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: perihelion shift; bending of light; Reissner-Nordstrom Black Hole

Online: 8 July 2022 (06:44:31 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202202.0026.v1

Dark Energy is Dark Matter below Absolute Zero in Black Holes

Roumen Tsekov

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: Neutrino, Dark Matter, Dark Energy, Black Holes, Negative Temperature

Online: 2 February 2022 (09:35:52 CET)

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Preprint REVIEW | doi:10.20944/preprints202110.0385.v1

Deriving Weak Deflection Angle by Black Holes or Wormholes using Gauss-Bonnet Theorem

Yashmitha Kumaran, Ali Övgün

Subject: Physical Sciences, General & Theoretical Physics Keywords: Weak Deflection angle; Gauss-Bonnet theorem; Black holes; Wormholes.

Online: 26 October 2021 (12:33:53 CEST)

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Preprint SHORT NOTE | doi:10.20944/preprints202109.0082.v1

Disjoint Genus-0 Surfaces in Extremal Graph Theory and Set Theory Lead To a Novel Topological Theorem

Arturo Tozzi

Subject: Mathematics & Computer Science, Geometry & Topology Keywords: Combinatorics; Ramsey’s theory; Borsuk–Ulam theorem; black hole; singularity

Online: 6 September 2021 (10:09:59 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202108.0331.v1

Chemical Treatment of Black Tiger nut Tubers (Cyperus esculentus) Variety to Obtain a Bio-based Product

No name Djomdi, Richard Ejoh, Guillaume Pierre, Cédric Delattre, Philippe Michaud, Robert Ndjouenkeu

Subject: Engineering, General Engineering Keywords: Cyperus esculentus; soaking; husking; microorganism; tiger nuts; black tubers

Online: 16 August 2021 (11:59:56 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202010.0416.v1

Binary Black Hole Information Loss Paradox & Future Prospects

Ayan Mitra, Pritam Chattopadhyay, Goutam Paul, Vasilios Zarikas

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: Binary Black hole; entanglement; monogamy; gravitational waves; quantum optics

Online: 20 October 2020 (17:05:53 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202008.0118.v1

Long-Term Habitual Exercise and Combination of β-hydroxy-β-methylbutyrate Plus Black Ginger Maintain Muscle Health in SAMP8 Mice

Kai Aoki, Masaki Konno, Katsuyuki Tokinoya, Katsunari Honda, Takuya Abe, Takeshi Nagata, Masaaki Takehara, Takehito Sugasawa, Kazuhiro Takekoshi, Hajime Ohmori

Subject: Life Sciences, Other Keywords: Sarcopenia; β-hydroxy-β-methyl butyrate Calcium; Black ginger

Online: 5 August 2020 (09:51:06 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201810.0037.v1

Development of an Improved Carotenoid Extraction Method and Characterisation of the Carotenoid Composition under Oxidative and Cold Stress in the Rock Inhabiting Fungus Knufia Petricola A95

Kerstin Flieger, Nicole Knabe, Jörg Toepel

Subject: Biology, Other Keywords: Knufia petricola A95, HPLC analysis, carotenoids, black yeasts, didehydrolycopene

Online: 2 October 2018 (22:39:22 CEST)

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Preprint CASE REPORT | doi:10.20944/preprints202208.0269.v1

The Dark Universe Cosmology

Yang Immanuel Pachankis

Subject: Chemistry, Electrochemistry Keywords: white hole; black hole; nuclear astrophysics; black hole seeds; quantum fluctuation; thermal fluctuation; temporal information; time curvatures; quantum forces; NGC 3034; NGC 3372

Online: 15 August 2022 (15:42:57 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201712.0018.v1

Radical Scavenging and Biological Activities of Representative Anthocyanin Groupings from Pigment-Rich Fruits and Vegetables

Federica Blando, Nadia Calabriso, Helge Berland, Gabriele Maiorano, Carmela Gerardi, Maria Annunziata Carluccio, Øyvind M. Andersen

Subject: Chemistry, Food Chemistry Keywords: non-acylated anthocyanins; anthocyanins with aromatic acylation; SAR; mahaleb cherry; blackcurrant; black carrot; ‘Sun Black’ tomato; VCAM-1; ICAM-1; endothelial adhesion molecules

Online: 4 December 2017 (07:04:17 CET)

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Preprint ARTICLE | doi:10.20944/preprints202206.0052.v1

A Study of McVittie Spacetime in Stationary and Dynamical Regime

Indranath Bhattacharyya, Saibal Ray, Riju Nag, Samudra Sundar Nag

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: Einstein equations; McVittie solution; black hole; dark energy; embedded spacetime

Online: 6 June 2022 (03:17:36 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202203.0211.v1

Assessment of Factors Influencing Personal Exposure to Air Pollution on Main Roads in Bogota: A Mixed-Method Study

Jeadran Malagon-Rojas, Eliana L. Parra-Barrera, Yesith G. Toloza-Pérez, Hanna Soto, Luisa F. Lagos, Daniela Méndez, Andrea Rico, Julia E. Almentero, Mónica A Quintana-Cortés, Diana C. Pinzón-Silva, Andrés García, John Benavídez-Piracón, Diana C. Zona-Rubio, Claudia Portilla, Maria A. Wilches-Mogollón, Sol A. Romero, Luis Jorge Hernandez, Ricardo Morales, Olga L. Sarmiento

Subject: Medicine & Pharmacology, Other Keywords: air pollution; microenvironment; public health; PM2.5; black carbon; active transport

Online: 15 March 2022 (11:34:12 CET)

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Preprint ARTICLE | doi:10.20944/preprints202201.0072.v1

TorchEsegeta: Framework for Interpretability and Explainability of Image-based Deep Learning Models

Soumick Chatterjee, Arnab Das, Chirag Mandal, Budhaditya Mukhopadhyay, Manish Vipinraj, Aniruddh Shukla, Rajatha Nagaraja Rao, Chompunuch Sarasaen, Oliver Speck, Andreas Nürnberger

Subject: Mathematics & Computer Science, Artificial Intelligence & Robotics Keywords: Deep Learning; Black-box; Interpretability; Explainability; Model introspection; MRA segmentation

Online: 6 January 2022 (10:39:37 CET)

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Working Paper ARTICLE

The Spacetime and Finite-Size Nuclear Structure of The Black Hole

Ting-Hang Pei

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: black hole; Schwarzschild radius; Kerr-Newman metric; finite-size nucleus

Online: 21 September 2021 (09:45:58 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202106.0258.v1

An appraisal of the Filipino Catholic Devotion to the Black Nazarene in the light of New Evangelization

Joseph Albert Reyes

Subject: Arts & Humanities, Anthropology & Ethnography Keywords: Black Nazarene; Popular Devotion; Filipino Catholics; Sacred Liturgy; New Evangelization

Online: 9 June 2021 (11:10:28 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202105.0697.v1

Nitrate-Alkaline Pulp From Non-Wood Plants

Kateřina Hájková, Jiří Bouček, Petr Procházka, Petr Kalous, Dominik Budský

Subject: Biology, Anatomy & Morphology Keywords: nitrate-alkaline pulp; Black Mustard; Camelina; tensile index; chemical analysis

Online: 28 May 2021 (11:32:38 CEST)

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Working Paper ARTICLE

Evaluation of the Dimensional Stability of Black Poplar Wood Modified Thermally in Nitrogen Atmosphere

Olga Bytner, Agnieszka Laskowska, Michał Drożdżek, Paweł Kozakiewicz, Janusz Zawadzki

Subject: Materials Science, Biomaterials Keywords: black poplar; dimensional stability; factor influence; nitrogen atmosphere; thermal modification

Online: 26 February 2021 (10:53:16 CET)

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Working Paper ARTICLE

Remarks on Nonsingular Models as Hayward and Magnetized Black Hole with Rational Nonlinear Electrodynamics

Sergey Il'ich Kruglov

Subject: Physical Sciences, Acoustics Keywords: Magnetically charged black holes; Hawking temperature; ; heat capacity; phase transitions

Online: 16 November 2020 (16:04:52 CET)

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Preprint ARTICLE | doi:10.20944/preprints202011.0197.v1

Conceptual Model for Cutoff Origin in Exotic Compact Objects

Wilson Alexander Rojas Castillo, Jose Robel Arenas Salazar

Subject: Physical Sciences, Acoustics Keywords: black shell; closeness parameter; cutoff; entanglement; exotic objects; compact objects

Online: 4 November 2020 (14:40:23 CET)

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Preprint ARTICLE | doi:10.20944/preprints202003.0382.v1

Weak Gravitational Lensing by Bocharova-Bronnikove-Melnikov-Bekenstein Black Holes Using Gauss-Bonnet Theorem

Wajiha Javed, Muhammad Bilal Khadim, Ali Övgün

Subject: Physical Sciences, General & Theoretical Physics Keywords: weak gravitational lensing; black hole; deflection angle; Gauss-Bonnet theorem

Online: 26 March 2020 (06:39:35 CET)

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Preprint ARTICLE | doi:10.20944/preprints202001.0049.v1

Dyonic and Magnetic Black Holes with Rational Nonlinear Electrodynamics

Sergey Kruglov

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: nonlinear electrodynamics; black holes; heat capacity; free energy; phase transitions

Online: 5 January 2020 (17:27:07 CET)

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Preprint ARTICLE | doi:10.20944/preprints201704.0121.v1

Quantum Tunneling Radiation from Loop Quantum Black Holes and the Information Loss Paradox

Carlos Alex Souza Da Silva, Francisco De Assis Brito

Subject: Physical Sciences, General & Theoretical Physics Keywords: loop quantum black hole; tunneling radiation; back-reaction; information recovery

Online: 19 April 2017 (06:18:18 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202212.0414.v1

Influence of Hermetia Illucens Larvae Meal Dietary Inclusion on Growth Performance, Gut Histological Traits and Stress Parameters in Sparus Aurata

Ambra Rita Di Rosa, Letteria Caccamo, Lidia Pansera, Marianna Oteri, Biagina Chiofalo, Giulia Maricchiolo

Subject: Medicine & Pharmacology, Veterinary Medicine Keywords: black soldier fly; fishmeal substitution; gut histology; animal performance; gilthead seabream

Online: 22 December 2022 (03:30:39 CET)

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Preprint ARTICLE | doi:10.20944/preprints202207.0343.v1

Trajectory of Massive Particles around a Static Black Hole in f(R) Gravity

Surajit Mandal

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: Massive particle; Static black hole; f(R) gravity; Pseudo-Newtonian Potential

Online: 22 July 2022 (14:14:20 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202207.0194.v1

AdS Black Holes in the Framework of Nonlinear Electrodynamics, Thermodynamics and Joule–Thomson Expansion

Sergey I. Kruglov

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: black holes; thermodynamics; extended phase space; nonlinear electrodynamics; Joule--Thomson expansion

Online: 13 July 2022 (09:06:03 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202108.0390.v1

Connection between Sinc Approximation for High-Energy Absorption Cross Section and Shadow of Black Holes

Ali Övgün

Subject: Physical Sciences, General & Theoretical Physics Keywords: Gravitation; Black hole; Shadow; High-energy physics; Cross-section; Null geodesics

Online: 18 August 2021 (14:31:11 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202001.0074.v3

Effect of Horndeski Theory on Weak Deflection Angle Using the Gauss-Bonnet Theorem

Ali Övgün, Yashmitha Kumaran, Wajiha Javed, Jameela Abbas

Subject: Physical Sciences, Acoustics Keywords: Weak gravitational lensing; Horndeski black hole; Deflection angle; Gauss-Bonnet theorem

Online: 29 July 2021 (12:37:42 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202107.0054.v3

General Canonical Quantum Gravity Theory and that of the Universe and General Black Hole

C. Huang, Yong-Chang Huang, Xinfei Li

Subject: Physical Sciences, Particle & Field Physics Keywords: general relativity; Lagrangian; operators; quantum gravity; canonical quantization; commutation relation; general black hole

Online: 18 November 2021 (13:45:15 CET)

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Preprint ARTICLE | doi:10.20944/preprints202107.0019.v1

Spherically Symmetric Exact Vacuum Solutions in Einstein-Aether Theory

Jacob Oost, Shinji Mukohyama, Anzhong Wang

Subject: Physical Sciences, Acoustics Keywords: Einstein-aether theory; Lorentz violation; spherical spacetimes; exact solutions; black holes

Online: 1 July 2021 (11:23:17 CEST)

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Preprint HYPOTHESIS | doi:10.20944/preprints202009.0233.v1

Gravitational Waves Carry Information about the Infalling Matter out of Black Holes: a Resolution of the Black Hole Information Paradox

Xueyi Tian

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: black holes; information paradox; Hawking radiation; information loss; gravitational waves; entropy

Online: 10 September 2020 (10:04:12 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202008.0335.v1

Emission Inventory Processing of Biomass Burning from A Global Dataset for Air Quality Modeling

Ernesto Pino-Cortés, Samuel Carrasco, Luis A. Díaz-Robles, Francisco Cubillos, Fidel Vallejo, Francisco Cereceda-Balic, Joshua Fu

Subject: Earth Sciences, Environmental Sciences Keywords: Biomass burning; SMOKE; NCO; GFASv1.3; Black carbon; Organic carbon; Southern Hemisphere

Online: 15 August 2020 (04:19:14 CEST)

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Working Paper ARTICLE

Two Exact Solutions Illustrating the Schwarzschild Singularity's Resolution

Dingfang Zeng

Subject: Physical Sciences, General & Theoretical Physics Keywords: Schwarzschild Singularity; Exact solutions to Einstein Equation; Microstate of Black Holes

Online: 19 July 2020 (18:45:04 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202002.0163.v1

The Observation Path Problems and the Formation Conditions of the Elevated Layer of Black Carbon Aerosol

Lianji Jin, Liang Lin, Deping Ding, Delong Zhao, Bin Zhu, Qingfei Zhai, Zheng Liu

Subject: Earth Sciences, Atmospheric Science Keywords: black carbon aerosol; aerosol layer; vertical distribution; numerical simulation; WRF-Chem

Online: 13 February 2020 (10:13:31 CET)

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Studies on the detection of layers with elevated black carbon aerosol (BC) concentrations and the formation conditions of these layers help understand the vertical distribution of BC concentrations, which will provide a basis for the assessment of climate effects and early BC pollution warnings. By using the Weather Research and Forecasting with Chemistry (WRF-Chem) numerical model, we performed a numerical simulation analysis on the authenticity of strong elevated BC concentration layers that were detected by an aircraft in the mixing layer over Harbin, China, which is a high-emission area, on a clear sunny afternoon in the early heating period of 2016. We then discuss possible problems and solutions when non-vertical paths are used to detect the vertical distribution of BC concentrations. Finally, we discuss the favorable conditions for the formation of elevated BC concentration layers by weak vertical flow. The results show that the horizontal variability of BC concentration in the mixing layer in the observation area in Harbin was sufficiently large during the measurement. This produced a false elevated layer, as detected by the aircraft during one round of spiral flight in the mixing layer. The root mean square of the horizontal distribution of BC concentration did not change with height in the mixing layer during the daytime, but it decreased with the thickness of the mixing layer and was higher in the mixing layer than in the free atmosphere. Therefore, the thinner the mixing layer, in which the vertical distribution of the BC concentration is detected in an inclined path, the stronger interference of the horizontal variability on the detected results. When a spiral flight detection path is used, the aircraft should fly at least two rounds in the mixing layer. In the daytime, due to strong turbulence in the mixing layer, weak vertical uplift is not favorable for the occurrence of elevated BC concentration layers in the mixing layer. In the nighttime, if weak vertical uplift is well matched with the BC concentration or its vertical gradient, elevated BC concentration layers can be formed in the atmosphere. Compared with upper layers far from the ground, nighttime elevated layers are easier to form in lower layers near the ground because high BC concentrations or large vertical gradients are more likely to occur in the lower layers. Both cases facilitate the occurrence of large vertical upward transport rates of BC.

Preprint ARTICLE | doi:10.20944/preprints201810.0413.v3

The Quantum Black Hole as a Gravitational Hydrogen Atom

Christian Corda, Fabiano Feleppa

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: gravitational atom; quantum black hole; quantum levels; Schrodinger equation; mass spectrum

Online: 6 December 2019 (04:14:35 CET)

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Preprint ARTICLE | doi:10.20944/preprints201912.0045.v1

Weak Gravitational Lensing by Stringy Black Holes

Wajiha Javed, Muhammad Bilal Khadim, Jameela Abbas, Ali Övgün

Subject: Physical Sciences, General & Theoretical Physics Keywords: Weak gravitational lensing; Stringy black hole; Deflection angle; Gauss-Bonnet theorem

Online: 4 December 2019 (10:12:06 CET)

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Working Paper ARTICLE

Cosmic Random Walks Underlying an Infinite-Genus Universe

Arturo Tozzi, Alexander Yurkin, James F. Peters

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: arithmetic figures, black hole, deterministic model, geometrization of physics, random walk

Online: 26 March 2019 (10:23:11 CET)

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Preprint ARTICLE | doi:10.20944/preprints201811.0118.v1

Brother's Keeper or Only Child? Black Middle Class Responses to Residential Mobility Initiatives in Prince George's County, MD

Carley Shinault

Subject: Social Sciences, Sociology Keywords: Gentrification; Residential Migration; Black Middle Class; Washington, DC; PG County, MD

Online: 5 November 2018 (14:06:31 CET)

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Preprint ARTICLE | doi:10.20944/preprints202109.0467.v2

Unified Explanation of Big Bang, Inflation, Charged Black Hole Decay, Galaxy Formation, Proton Spin Crisis and Elementary Particle Masses

Jae-Kwang Hwang

Subject: Physical Sciences, Particle & Field Physics Keywords: Elementary particles; Galaxy structures; Charged black hole decay; Big bang and inflation; Super-massive black holes; Coulomb forces; Proton spin crisis; Dark matters; 4-D Euclidean space.

Online: 11 October 2021 (11:46:24 CEST)

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Space-time evolution is briefly explained by using the 3-dimensional quantized space model (TQSM) based on the 4-dimensional (4-D) Euclidean space. The energy (E=cDtDV), charges (|q|= cDt) and absolute time (ct) are newly defined based on the 4-D Euclidean space. The big bang is understood by the space-time evolution of the 4-D Euclidean space but not by the sudden 4-D Minkowski space-time creation. The big bang process created the matter universe with the positive energy and the partner anti-matter universe with the negative energy from the CPT symmetry. Our universe is the matter universe with the negative charges of electric charge (EC), lepton charge (LC) and color charge (CC). This first universe is made of three dark matter -, lepton -, and quark - primary black holes with the huge negative charges which cause the Coulomb repulsive forces much bigger than the gravitational forces. The huge Coulomb forces induce the inflation of the primary black holes, that decay to the super-massive black holes. The dark matter super-massive black holes surrounded by the normal matters and dark matters make the galaxies and galaxy clusters. The spiral arms of galaxies are closely related to the decay of the 3-D charged normal matter black holes to the 1-D charged normal matter black holes. The elementary leptons and quarks are created by the decay of the normal matter charged black holes, that is caused by the Coulomb forces much stronger than the gravitational forces. The Coulomb forces are very weak with the very small Coulomb constants (k₁(EC) = k_dd(EC) ) for the dark matters and very strong with the very big Coulomb constants (k₂(EC) = k_nn(EC)) for the normal matters because of the non-communication of the photons between the dark matters and normal matters. The photons are charge dependent and mass independent. But the dark matters and normal matters have the similar and very weak gravitational forces because of the communication of the gravitons between the dark matters and normal matters. The gravitons are charge independent and mass dependent. Note that the three kinds of charges (EC, LC and CC) and one kind of mass (m) exist in our matter universe. The dark matters, leptons and quarks have the charge configurations of (EC), (EC,LC) and (EC,LC,CC), respectively. Partial masses of elementary fermions are calculated, and the proton spin crisis is explained. The charged black holes are not the singularities.

Preprint ARTICLE | doi:10.20944/preprints202209.0112.v1

A Generalized Model for Pricing Financial Derivatives Consistent with Efficient Markets Hypothesis – A Refinement of the Black-Scholes Model

Jussi Lindgren

Subject: Social Sciences, Finance Keywords: options pricing; financial derivatives; efficient market hypothesis; martingale; Feynman-Kac; Black-Scholes

Online: 7 September 2022 (12:18:35 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202208.0253.v1

Theoretical Search for Gravitational Bound States of Tachyons

Charles Schwartz

Subject: Physical Sciences, General & Theoretical Physics Keywords: General Relativity; Schwarzschild metric; circular flows; tachyons; neutrinos; Dark Matter; black holes

Online: 15 August 2022 (08:26:33 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202003.0051.v2

Weak Deflection Angle and Shadow by Tidal Charged Black Hole

Wajiha Javed, Ali Hamza, Ali Övgün

Subject: Physical Sciences, General & Theoretical Physics Keywords: Relativity; Gravitation; Black hole; Tidal Charge; Gauss-bonnet theorem; plasma medium; Shadow

Online: 19 October 2021 (10:13:01 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202109.0528.v1

Short-Term Cumulative Exposure to Ambient Traffic-Related Black Carbon and Blood Pressure: MMDA Traffic Enforcers’ Health Study

Zypher Jude G. Regencia, Godofreda V. Dalmacion, Antonio D. Ligsay, Emmanuel S. Baja

Subject: Medicine & Pharmacology, Other Keywords: black carbon; systolic blood pressure; diastolic blood pressure; sex; obesity; traffic enforcers

Online: 30 September 2021 (16:08:10 CEST)

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Preprint ARTICLE | doi:10.20944/preprints202012.0313.v2

Controlling Safety of Artificial Intelligence-Based Systems in Healthcare

Mohammad Reza Davahli, Waldemar Karwowski, Krzysztof Fiok, Thomas T.H. Wan, Hamid R Parsaei

Subject: Mathematics & Computer Science, Algebra & Number Theory Keywords: artificial intelligence; human-AI interaction; human factors; safety challenges; black-box challenge

Online: 8 January 2021 (13:50:32 CET)

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Preprint ARTICLE | doi:10.20944/preprints201911.0096.v1

Black Hole Entropy from Non-Commutative Geometry and Spontaneous Localisation

Tejinder P. Singh, Palemkota Maithresh

Subject: Physical Sciences, General & Theoretical Physics Keywords: black hole entropy; quantum gravity; non-commutative geometry; spontaneous localisation; trace dynamics

Online: 8 November 2019 (10:54:34 CET)

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Working Paper ARTICLE

Massive Photons Propagation in Gravitational Field

Arbab Arbab

Subject: Physical Sciences, General & Theoretical Physics Keywords: black holes thermodynamics; entropic force; electromagnetic-gravity analogy; General Relativity; massive electrodynamics

Online: 12 October 2019 (04:16:45 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201907.0172.v1

Tunneling of Massive Vector Particles under the Influence of Quantum Gravity

Wajiha Javed, Riasat Ali, Rimsha Babar, Ali Övgün

Subject: Physical Sciences, General & Theoretical Physics Keywords: massive boson particles; wave equation; quantum gravity; Hawking radiation; black hole thermodynamics

Online: 14 July 2019 (17:12:54 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201906.0100.v1

On the Cosmological Origin of the Rest Mass of Elementary Particles: The Ideas of Maximons and Minimons Revisited

Vikraman Vipindas, Trivandrum Easwaraiyer Girish, Chellappan Radhakrishnan Nair

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: elementary particles; cosmological origin; maximon; Hawking radiation; neutrino mass; primordial black holes

Online: 12 June 2019 (03:45:41 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201812.0354.v1

Biofuel Produced from Solid-State Anaerobic Digestion of Dairy Cattle Manure in Coordination with Black Soldier Fly Larvae Decomposition

Choon Yong Wee, Jung-Jeng Su

Subject: Biology, Animal Sciences & Zoology Keywords: biogas; black soldier fly; dairy cattle manure; digestate; solid-state anaerobic digestion

Online: 29 December 2018 (05:20:37 CET)

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Preprint ARTICLE | doi:10.20944/preprints201806.0482.v1

Nested Stochastic Valuation of Large Variable Annuity Portfolios: Monte Carlo Simulation and Synthetic Datasets

Guojun Gan, Emiliano Valdez

Subject: Mathematics & Computer Science, Probability And Statistics Keywords: Monte Carlo; regime-switching multivariate black-scholes; metamodeling; variable annuity; portfolio valuation

Online: 29 June 2018 (11:31:49 CEST)

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Preprint ARTICLE | doi:10.20944/preprints201607.0051.v1

Search for QPOs in the Light Curve of the Blazar OJ287: Preliminary Results from 2015/16 Observing Campaign

S. Zola, M. Valtonen, G. Bhatta, A. Goyal, B. Debski, A. Baran, J. Krzesinski, M. Siwak, S. Ciprini, A. Gopakumar, H. Jermak, K. Nilsson, D. Reichart, K. Matsumoto, K. Sadakane, K. Gazeas, M. Kidger, V. Piirola, F. Alicavus, K.S. Baliyan, A. Berdyugin, D. Boyd, M. Campas Torrent, F. Campos, J. Carrillo Gomez, D.B. Caton, V. Chavushyan, J. Dalessio, D. Dimitrov, M. Drozdz, A. Erdem, A. Escartin Perez, V. Fallah Ramazani, A.V. Filippenko, F. Garcia, F. Gomez Pinilla, M. Gopinathan, J.B. Haislip, J. Harmanen, G. Hurst, K.M. Ivarsen, M. Jelinek, A. Joshi, M. Kagitani, N. Kaur, N. Karaman, W.C. Keel, A.P. LaCluyze, B.C. Lee, E. Lindfors, J. Lozano De Haro, J.P. Moore, R. Naves Nogues, A.W. Neely, R.H. Nelson, W. Ogloza, S. Okano, J.C. Pandey, M. Perri, P. Pihajoki, G. Poyner, J. Provencal, T. Pursimo, A. Raj, R. Reinthal, S. Sadegi, T. Sakanoi, J.-L. Salto Gonzales, T. Schweyer, F.C. Soldan Alfaro, E. Sonbas, I. Steele, J.T. Stocke, J. Strobl, L.O. Takalo, T. Tomov, L. Tremosa Espasa, J.R. Valdes, J. Valero Perez, F. Verrecchia, J.R. Webb, M. Yoneda, M. Zejmo, W. Zheng, J. Telting, J. Saario, T. Reynolds, A. Kvammen, E. Gafton, R. Karjalainen, P. Blay

Subject: Physical Sciences, Astronomy & Astrophysics Keywords: galaxies: active; BL Lacertae objects: individual (OJ 287); super massive black holes

Online: 18 July 2016 (10:46:26 CEST)

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