Cyclic Sullivan-De Rham Forms
Cyclic Sullivan-De Rham Forms
For a simplicial set $X$ the Sullivan-de Rham forms are defined to be the simplicial morphisms from $X$ to a simplicial rational commutative graded differential algebra (cgda)$\nabla$. However $\nabla$ is a cyclic cgda in a standard way. And so, when $X$ is a cyclic set, one has a cgda of …