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In this paper,let A be a finite dimensional associative algebra over an algebraically closed field k,modA be the category of finite dimensional left A-module and X1,X2,...,Xn,in modA be a complete exceptional sequence,and let E be the endomorphism algebra of X1,X2,...,Xn.We study the global dimension of E,and calculate the Hochschild cohomology and homology groups of E. 相似文献
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