Hyperbolic embedding of multilayer networks

Fuente: arXiv
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Hauptverfasser: Guillemaud, Martin, Dinkelacker, Vera, Chavez, Mario
Format: Preprint
Veröffentlicht: 2025
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author Guillemaud, Martin
Dinkelacker, Vera
Chavez, Mario
author_facet Guillemaud, Martin
Dinkelacker, Vera
Chavez, Mario
contents Multilayer networks offer a powerful framework for modeling complex systems across diverse domains, effectively capturing multiple types of connections and interdependent subsystems commonly found in real world scenarios. To analyze these networks, embedding techniques that project nodes into a lower-dimensional geometric space are essential. This paper introduces a novel hyperbolic embedding framework that advances the state of the art in multilayer network analysis. Our method, which supports heterogeneous node sets across networks and inter-layer connections, generates layer-specific hyperbolic embeddings, enabling detailed intra-layer analysis and inter-layer comparisons, while simultaneously preserving the global multilayer structure within hyperbolic space, a capability that sets it apart from existing approaches, which typically rely on independent embedding of layers. Through experiments on synthetic multilayer stochastic block models, we demonstrate that our approach effectively preserves community structure, even when layers consist of different node sets. When applied to real brain networks, the method successfully clusters disease-related brain regions from different patients, outperforming layer-independent approaches and highlighting its relevance for comparative analysis. Overall, this work provides a robust tool for multilayer network analysis, enhancing interpretability and offering new insights into the structure and function of complex systems.
format Preprint
id arxiv_https___arxiv_org_abs_2505_20378
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Hyperbolic embedding of multilayer networks
Guillemaud, Martin
Dinkelacker, Vera
Chavez, Mario
Social and Information Networks
Data Analysis, Statistics and Probability
Neurons and Cognition
Multilayer networks offer a powerful framework for modeling complex systems across diverse domains, effectively capturing multiple types of connections and interdependent subsystems commonly found in real world scenarios. To analyze these networks, embedding techniques that project nodes into a lower-dimensional geometric space are essential. This paper introduces a novel hyperbolic embedding framework that advances the state of the art in multilayer network analysis. Our method, which supports heterogeneous node sets across networks and inter-layer connections, generates layer-specific hyperbolic embeddings, enabling detailed intra-layer analysis and inter-layer comparisons, while simultaneously preserving the global multilayer structure within hyperbolic space, a capability that sets it apart from existing approaches, which typically rely on independent embedding of layers. Through experiments on synthetic multilayer stochastic block models, we demonstrate that our approach effectively preserves community structure, even when layers consist of different node sets. When applied to real brain networks, the method successfully clusters disease-related brain regions from different patients, outperforming layer-independent approaches and highlighting its relevance for comparative analysis. Overall, this work provides a robust tool for multilayer network analysis, enhancing interpretability and offering new insights into the structure and function of complex systems.
title Hyperbolic embedding of multilayer networks
topic Social and Information Networks
Data Analysis, Statistics and Probability
Neurons and Cognition
url https://arxiv.org/abs/2505.20378