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Published on: December 16, 2022
Cyclization in bipartite random graphs
1Geophysical Center of Russian Academy of Science, 3, Molodezhnaya street, 119296 Moscow, Russia.
This study models the evolution of finite bipartite graphs by adding edges. It reveals how graph structure and the emergence of a giant component depend on component size and total graph size.
Area of Science:
- Graph theory
- Statistical physics
- Network science
Background:
- Studies the time evolution of finite bipartite graphs.
- Graphs evolve by edges being added sequentially, leading to component coalescence or cycling.
- Graph states are defined by occupation numbers of components based on vertex types and edge counts.
Purpose of the Study:
- To analyze the time evolution of finite bipartite graphs.
- To reformulate the master equation for graph evolution using a generating functional.
- To investigate the emergence of a giant component in evolving graphs.
Main Methods:
- Modeling graph evolution through edge addition.
- Utilizing a master equation to describe probability distribution over graph states.
- Employing a generating functional for exact solutions.
- Analyzing the behavior of linked components in the large graph limit.
Main Results:
- Developed an exact solution for the evolution equation of the generating functional.
- Derived average population numbers for linked components.
- Showed that in the large graph limit, the distribution factorizes into two multipliers.
- Identified that both multipliers contain information about the giant component's emergence.
Conclusions:
- The study provides a framework for analyzing the dynamics of finite bipartite graphs.
- The emergence of a giant component is linked to critical thresholds in graph evolution.
- The factorization of the distribution in the large graph limit offers insights into universal properties of random graphs.
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