Piecewise hereditary algebras under field extensions.
Autor: | Li, Jie |
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Jazyk: | angličtina |
Předmět: | |
Druh dokumentu: | Non-fiction |
ISSN: | 0011-4642 |
Abstrakt: | Abstract: Let $A$ be a finite-dimensional $k$-algebra and $K/k$ be a finite separable field extension. We prove that $A$ is derived equivalent to a hereditary algebra if and only if so is $A\otimes_kK$. |
Databáze: | Katalog Knihovny AV ČR |
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