Define carefully a CW structure on \(\mathbb {R}P^n\) (you don’t have to prove it here), and use it to compute \(H_*(\mathbb {R}P^n;\mathbb {Q})\) and \(H_*(\mathbb {R}P^n;\mathbb {Z}/2)\).
Question
Math 6510 • Differentiable Manifolds
Winter 2007 • Question 14