Let \(X=S^1\times \mathbb {R}\). Find the de Rham cohomology of \(X\) in two ways.
- Using de Rham’s Theorem.
- Directly from the definition.
Question
Fall 1998 • Question 6
Let \(X=S^1\times \mathbb {R}\). Find the de Rham cohomology of \(X\) in two ways.