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Homotopy theory for digraphs

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abstract

We introduce a homotopy theory of digraphs (directed graphs) and prove its basic properties, including the relations to the homology theory of digraphs constructed by the authors in previous papers. In particular, we prove the homotopy invariance of homologies of digraphs and the relation between the fundamental group of the digraph and its first homology group. The category of (undirected) graphs can be identified by a natural way with a full subcategory of digraphs. Thus we obtain also consistent homology and homotopy theories for graphs. Note that the homotopy theory for graphs coincides with the one constructed in the paper of Babson et.

fields

cs.LG 1

years

2025 1

verdicts

UNVERDICTED 1

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  • Topology Structure Optimization of Reservoirs Using GLMY Homology cs.LG · 2025-09-15 · unverdicted · none · ref 23 · internal anchor

    Reservoir performance is optimized by modifying minimal representative cycles of one-dimensional GLMY homology groups, with results showing joint influence from network structure and data periodicity.