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From quasi‐hereditary algebras with exact Borel subalgebras to directed bocses / Tomasz Brzezinski; Steffen Koenig; Julian Külshammer

Bulletin of the London Mathematical Society, Volume: 52, Issue: 2, Pages: 367 - 378

Swansea University Author: Tomasz, Brzezinski

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DOI (Published version): 10.1112/blms.12331

Abstract

Up to Morita equivalence, every quasi-hereditary algebra is the dual algebra of a directed bocs or coring. From the bocs, an exact Borel subalgebra isobtained. In this paper a characterisation of exact Borel subalgebras arising in this way is given.

Published in: Bulletin of the London Mathematical Society
ISSN: 0024-6093 1469-2120
Published: Wiley 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa53009
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Abstract: Up to Morita equivalence, every quasi-hereditary algebra is the dual algebra of a directed bocs or coring. From the bocs, an exact Borel subalgebra isobtained. In this paper a characterisation of exact Borel subalgebras arising in this way is given.
Issue: 2
Start Page: 367
End Page: 378