Construct a \(\Delta \)-complex structure on \(\mathbb {R}\mathrm {P}^3\) and use it to compute the cohomology rings of \(\mathbb {R}\mathrm {P}^3\) with \(\mathbb {Z}\) and \(\mathbb {Z}_2\) coefficients.
Question
Math 6510 • Differentiable Manifolds
Spring 2017 • Question 10