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arxiv: 2604.04200 · v1 · submitted 2026-04-05 · 🧮 math.AT

Persistent Leray's spectral sequence

classification 🧮 math.AT
keywords persistentsequencespectralcohomologyconstructcoveringlerayspace
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In this work, we construct a persistent version of the well-known Leray spectral sequence. More precisely, we construct a spectral sequence that computes the persistent cohomology of a space from the persistent cohomology in each open set and its intersections with a covering that is the pre-image under a function of a covering of a known space.

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