On the Hochschild cohomology of tame Hecke algebras
classification
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algebracohomologyheckehochschildalgebrasbimodulebiserialcalculate
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We explicitly calculate a projective bimodule resolution for a special biserial algebra giving rise to the Hecke algebra H_q(S_4) when q=-1. We then determine the dimensions of the Hochschild cohomology groups.
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