The cohomology structure of string algebras

Details The cohomology structure of string algebras The cohomology structure of string algebras

2004-10-05

arxiv.org/abs/math/0410123v1

Mathematics

K-Theory and Homology

10 pages. Submited for publication

Scientific paper

We show that the graded commutative ring structure of the Hochschild
cohomology HH*(A) is trivial in case A is a triangular quadratic string
algebra. Moreover, in case A isgentle, the Lie algebra structure on HH*(A) is
also trivial.

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