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5 votes
5 answers
2k views

Elementary linear algebra over a (possibly skew) field $K$

I have a number of questions which seem linked to me, about basic (?) linear algebra: Given a field (possibly skew) $K$, and an superfield $L$, one can do linear matrix algebra with coefficients in $...
4 votes
1 answer
535 views

A Question on Koszul duality and $B(\infty)$ structures on $HH^*$

The following theorem is known from a paper "Duality in Gerstenhaber Algebras" by Felix, Menichi, Thomas. Given a simply connected space X of finite type. There is an equivalence of Gerstenhaber ...