Homology of products and joins of reflexive relations
Copyright policy )Homology of products and joins of reflexive relations
AbstractThe homology of products and joins of reflexive relations is computed. Rota's homology of the products of two lattices is computed. The homology of finite polyspherical posets is determined by Euler characteristic and length. The category of polyspherical posets is closed under joins and special products but not products. A special product of nonvoid reflexive relations is simply connected.
- Arizona State University United States
Homological algebra in category theory, derived categories and functors, Discrete Mathematics and Combinatorics, Categories of spans/cospans, relations, or partial maps, Theoretical Computer Science
Homological algebra in category theory, derived categories and functors, Discrete Mathematics and Combinatorics, Categories of spans/cospans, relations, or partial maps, Theoretical Computer Science
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