Restrictions of some reinforced processes to subgraphs

Fuente: arXiv
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Hauptverfasser: Disertori, Margherita, Merkl, Franz, Rolles, Silke W. W.
Format: Preprint
Veröffentlicht: 2024
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author Disertori, Margherita
Merkl, Franz
Rolles, Silke W. W.
author_facet Disertori, Margherita
Merkl, Franz
Rolles, Silke W. W.
contents We prove that the restriction of the vertex-reinforced jump process to a subset of the vertex set is a mixture of vertex-reinforced jump processes. A similar statement holds for the non-linear hyperbolic supersymmetric sigma model. This is then applied to vertex-reinforced jump processes on subdivided versions of graphs of bounded degree, where every edge is replaced by a finite sequence of edges. We prove that discrete-time processes associated to suitable corresponding restrictions are mixtures of positive recurrent Markov chains. We also deduce a similar statement for edge-reinforced random walks.
format Preprint
id arxiv_https___arxiv_org_abs_2411_06195
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Restrictions of some reinforced processes to subgraphs
Disertori, Margherita
Merkl, Franz
Rolles, Silke W. W.
Probability
Primary 60K35, 60K37, secondary 60G60
We prove that the restriction of the vertex-reinforced jump process to a subset of the vertex set is a mixture of vertex-reinforced jump processes. A similar statement holds for the non-linear hyperbolic supersymmetric sigma model. This is then applied to vertex-reinforced jump processes on subdivided versions of graphs of bounded degree, where every edge is replaced by a finite sequence of edges. We prove that discrete-time processes associated to suitable corresponding restrictions are mixtures of positive recurrent Markov chains. We also deduce a similar statement for edge-reinforced random walks.
title Restrictions of some reinforced processes to subgraphs
topic Probability
Primary 60K35, 60K37, secondary 60G60
url https://arxiv.org/abs/2411.06195