Saturday, 5 May 2007

at.algebraic topology - Extending a property of commutative algebras to C infinity algebras

If A is a commutative algebra and B is an X- algebra, then the tensor product $A otimes B$ is an X-algebra (so for example, $Com otimes Lie$ is a Lie algebra). This is seen using the language of operads. Let $Com$ be the commutative operad. Since $Com(n)$ is a one dimensional vector space for every $n$, tensoring $Com$ with an operad $O$ doesn't change the operad $O$.



Does a similar thing hold true for a $C_infty$ algebra? That is, if $A$ is a $C_infty$ algebra, is $A otimes B$ an $X_infty$ algebra?



I'm still trying to familiarize myself with the language of operads, and perhaps the question can be made more precise in that language, where the infinity version of an operad is cofibrant resolution of the operad.

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