Fundamental groupoid of Alexandroff space X is naturally isomorphic to localization of its thin specialization-preorder category; regular coverings are represented by morphism-inverting functors extending Minian-Barmak.
A new spectral sequence for homology of posets
2 Pith papers cite this work. Polarity classification is still indexing.
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2019 2verdicts
UNVERDICTED 2representative citing papers
Homology of posets with functor coefficients supplies a new framework for studying Khovanov homology and related knot invariants.
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Regular coverings and fundamental groupoids of Alexandroff spaces
Fundamental groupoid of Alexandroff space X is naturally isomorphic to localization of its thin specialization-preorder category; regular coverings are represented by morphism-inverting functors extending Minian-Barmak.
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Homology of posets with functor coefficients and its relation to Khovanov homology of knots
Homology of posets with functor coefficients supplies a new framework for studying Khovanov homology and related knot invariants.