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Shengyong Pan 《Journal of Pure and Applied Algebra》2012,216(2):355-363
Let and be Gorenstein Artin algebras of finite Cohen–Macaulay type. We prove that, if and are derived equivalent, then their Cohen–Macaulay Auslander algebras are also derived equivalent. 相似文献
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We prove that for every graph , there exists such that every -vertex graph with no vertex-minors isomorphic to has a pair of disjoint sets , of vertices such that and is complete or anticomplete to . We deduce this from recent work of Chudnovsky, Scott, Seymour, and Spirkl (2018). This proves the analog of the Erd?s–Hajnal conjecture for vertex-minors. 相似文献
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For a highly beneficial mutant entering a randomly reproducing population of constant size, we study the situation when a second beneficial mutant arises before has fixed. If the selection coefficient of is greater than the selection coefficient of , and if and can recombine at some rate , there is a chance that the double beneficial mutant forms and eventually fixes. We give a convergence result for the fixation probability of and its fixation time for large selection coefficients. 相似文献
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Let be an extension of commutative rings with identity, X an analytic indeterminate over B, and , the subring of the formal power series ring , consisting of the series with constant terms in A. In this Note we study when the ring R is Noetherian. We prove that R is Noetherian if and only if A is Noetherian and B is a finitely generated A-module. To cite this article: S. Hizem, A. Benhissi, C. R. Acad. Sci. Paris, Ser. I 340 (2005). 相似文献
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Given Banach algebras and , where be a Banach -bimodule. In this paper we study the ideal amenability, approximate ideal and cyclic ideal amenability of module Lau Banach algebra . 相似文献
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