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Eulerian magnitude homology: diagonality, injective words, and regular path homology

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arxiv 2503.06722 v2 pith:FSAUAW75 submitted 2025-03-09 math.CO math.ATmath.CT

Eulerian magnitude homology: diagonality, injective words, and regular path homology

classification math.CO math.ATmath.CT
keywords homologyeulerianinjectivemagnituderegularsequencespectralcharacterization
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In this paper we explore the algebraic structure and combinatorial properties of eulerian magnitude homology. First, we analyze the diagonality conditions of eulerian magnitude homology, providing a characterization of complete graphs. Then, we construct the regular magnitude-path spectral sequence as the spectral sequence of the (filtered) injective nerve of the reachability category, and explore its consequences. Among others, we show that such spectral sequence converges to the complex of injective words on a digraph, and yields characterization results for the regular path homology of diagonal directed graphs.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Avalanche homology of digraphs via sandpile dynamics

    math.AT 2026-06 unverdicted novelty 7.0

    Avalanche homology is the simplicial homology of the avalanche complex generated from unstable vertices in sandpile dynamics on digraphs, with explicit homotopy types computed for directed paths and cycles under certa...

  2. A Centrality Measure Using Magnitude Homology

    math.AT 2026-07 conditional novelty 6.0

    A new family of graph centrality measures based on the change in (Eulerian) magnitude homology after deleting a vertex, with a proven locality property.