Wu's Formula

Motivation

Lemma

Statement

Proof

Corollary

Application

\begin{recallthm}[Wu’s Formula]\label{Wu’s formula} Wu’s formula $w_k={\sum }_{i+j=k}S{q}^i(v_j)$ where $v_j$ is the Wu class. \end{recallthm}

\begin{theorem}[Wu’s theorem]\label{Wu’s Theorem} $<v_i(TM)\cup -,[M]>=<S{q}^i(-),[M]>.$ % \end{theorem}