nLab
wedge axiom

For a generalized cohomology theory-functor E :Ho(Top */) opAb E^\bullet \colon Ho(Top^{\ast/})^{op} \longrightarrow Ab^{\mathbb{Z}}, the wedge axiom says that its takes small coproducts (wedge sums) to products (direct sums).

Last revised on May 28, 2017 at 12:56:29. See the history of this page for a list of all contributions to it.