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Autoregressive and Residual Index Convolution Model for Point Cloud Geometry Compression
Gerald Baulig
,Jiun-In Guo
Posted: 19 January 2026
The G Model: A Geometric Approach to Absolute Data Coherence in Information Systems
José Vicente Quiles Feliu
Posted: 13 January 2026
Symmetry Breaking and Regulation in Algorithmic Decision Systems: A Metaheuristic-Based Bias Intervention Module for Business Development Processes
Yu-Min Wei
Posted: 12 January 2026
Comparative Analysis of Greedy Algorithms for Minimum Vertex Cover in Unit Disk Graphs
Erlan Zhaparov
,Burul Shambetova
The Minimum Vertex Cover (MVC) problem is NP-hard even on unit disk graphs (UDGs), which model wireless sensor networks and other geometric systems. This paper presents an experimental comparison of three greedy algorithms for MVC on UDGs: degree-based greedy, edge-based greedy, and the classical 2-approximation based on maximal matching. Our evaluation on randomly generated UDGs with up to 500 vertices shows that the degree-based heuristic achieves approximation ratios between 1.636 and 1.968 relative to the maximal matching lower bound, often outperforming the theoretical 2-approximation bound in practice. However, it provides no worst-case guarantee. In contrast, the matching-based algorithm consistently achieves the proven 2-approximation ratio while offering superior running times (under 11 ms for graphs with 500 vertices). The edge-based heuristic demonstrates nearly identical performance to the degree-based approach. These findings highlight the practical trade-off between solution quality guarantees and empirical performance in geometric graph algorithms, with the matching-based algorithm emerging as the recommended choice for applications requiring reliable worst-case bounds.
The Minimum Vertex Cover (MVC) problem is NP-hard even on unit disk graphs (UDGs), which model wireless sensor networks and other geometric systems. This paper presents an experimental comparison of three greedy algorithms for MVC on UDGs: degree-based greedy, edge-based greedy, and the classical 2-approximation based on maximal matching. Our evaluation on randomly generated UDGs with up to 500 vertices shows that the degree-based heuristic achieves approximation ratios between 1.636 and 1.968 relative to the maximal matching lower bound, often outperforming the theoretical 2-approximation bound in practice. However, it provides no worst-case guarantee. In contrast, the matching-based algorithm consistently achieves the proven 2-approximation ratio while offering superior running times (under 11 ms for graphs with 500 vertices). The edge-based heuristic demonstrates nearly identical performance to the degree-based approach. These findings highlight the practical trade-off between solution quality guarantees and empirical performance in geometric graph algorithms, with the matching-based algorithm emerging as the recommended choice for applications requiring reliable worst-case bounds.
Posted: 29 December 2025
Latin Grid Generation Algorithm, Exact Counting Framework, Isomorphic Polyn-Omial Determination Algorithm, and Exact Solution Algorithm for Pending Filling
Ruixue Zhao
Posted: 29 December 2025
Radioactive Information: How Uncomputability Ensures O(1) Precision for Non-Shannon Inequalities
Tolga Topal
Posted: 26 December 2025
Leveraging the DAO for Edge-to-Cloud Data Sharing and Availability
Adnan Imeri
,Uwe Roth
,Michail Alexandros Kourtis
,Andreas Oikonomakis
,Achileas Economopoulos
,Lorenzo Fogli
,Antonella Cadeddu
,Alessandro Bianchini
,Daniel Iglesias
,Wouter Tavernier
Posted: 24 December 2025
A Systematic Literature Review on the Evolution of Skyline Query on Uncertain Database: Trends and Insights
H. M. Ikram Kays
,Raini Hassan
,Dini Oktarina Dwi Handayani
Posted: 23 December 2025
Machine Learning to Detect Abnormal Delivery Performance in Supply Chain Operations
Gita Ziabari
Posted: 19 December 2025
A Solution to the P Versus NP Problem
Alan Z
Posted: 17 December 2025
Algebraic Learning in Finite Ring Continuum
Yosef Akhtman
Posted: 11 December 2025
MONOTONE-MIN-3SAT in Polynomial Time: A Proof of P = NP
Frank Vega
Posted: 08 December 2025
Automatic Generation of NGSI-LD Data Models from RDF Ontologies: Developmental Studies of Children and Adolescents Use Case
Franc Drobnič
,Gregor Starc
,Gregor Jurak
,Andrej Kos
,Matevž Pustišek
Posted: 02 December 2025
Ze-HB Hierarchical Bayesian Extension of the Ze
Jaba Tkemaladze
Posted: 02 December 2025
Fast Triangle Detection and Enumeration in Undirected Graphs: The Aegypti Algorithm
Frank Vega
Posted: 28 November 2025
An Approximate Solution to the Minimum Vertex Cover Problem: The Hvala Algorithm
Frank Vega
Posted: 24 November 2025
Detection and Comparative Evaluation of Noise Perturbations in Dynamical Systems and ECG Signals Using Complexity-Based Features
Kevin Mallinger
,Sebastian Raubitzek
,Sebastian Schrittwieser
,Edgar Weippl
Posted: 24 November 2025
Tunnell's Theorem and #P-Completeness
Frank Vega
Posted: 20 November 2025
Periodic Pairing Matrix Computation Model: Theory, Algorithms, and Applications
Xinqi Zheng
,Haiyan Liu
Posted: 20 November 2025
On Invertibility of Large Binary Matrices
Ibrahim Mammadov
,Pavel Loskot
,Thomas Honold
Posted: 14 November 2025
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