Totally compatible structures on the radical of an incidence algebra
Rings and Algebras
2026-04-01 v3 Combinatorics
Abstract
We describe totally compatible structures on the Jacobson radical of the incidence algebra of a finite poset over a field. We show that such structures are in general non-proper.
Keywords
Cite
@article{arxiv.2512.24881,
title = {Totally compatible structures on the radical of an incidence algebra},
author = {Mykola Khrypchenko},
journal= {arXiv preprint arXiv:2512.24881},
year = {2026}
}
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