Appoximate Cohomology

David Kazhdan, Tamar Ziegler

Let $k$ be a field, $G$ be an abelian group and $r\in \mathbb{N}$. Let $L$ be an infinite dimensional $k$-vector space. For any $m\in En{d}_k(L)$ we denote by $r(m)\in [0,\infty ]$ th…