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Leavitt path algebras over a poset of fields

open access: yes, 2019
Let $E$ be a finite directed graph, and let $I$ be the poset obtained as the antisymmetrization of its set of vertices with respect to a pre-order $\le$ that satisfies $v\le w$ whenever there exists a directed path from $w$ to $v$. Assuming that $I$ is a tree, we define a poset of fields over $I$ as a family $\mathbf K = \{ K_i :i\in I \}$ of fields ...
openaire   +2 more sources

Shintani descent for algebraic groups over a finite field, I

open access: yesJournal of Algebra, 1992
In previous papers [Adv. Stud. Pure Math. 6, 207-229 (1985; Zbl 0572.20027), J. Fac. Sci., Univ. Tokyo, Sect I A 34, 599-653 (1987; Zbl 0643.20019)] the author studied Shintani descent (i.e. lifting of characters) for connected reductive groups over a finite field.
openaire   +2 more sources

Dense Linear Algebra over Finite Fields: the FFLAS and FFPACK packages [PDF]

open access: green, 2006
Jean‐Guillaume Dumas   +2 more
openalex   +1 more source

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