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On the subalgebra generated by the one-dimensional elements in the Yoneda Ext-algebra. (English) Zbl 0429.13008

Mat. Inst., Stockh. Univ. 5, 48 p. (1976).

MSC:

13D99 Homological methods in commutative ring theory
13B02 Extension theory of commutative rings
13H15 Multiplicity theory and related topics
16Exx Homological methods in associative algebras

Citations:

Zbl 0408.16021