Let \(X\) be a topological space obtained by adding a \(k\)-cell to \(\mathbb {C}P^n\). For what values \(i\) must \(H_i(X;\mathbb {Z})=H_i(\mathbb {C}P^n;\mathbb {Z})\)? What are the possibilities for \(H_i(X;\mathbb {Z})\) when the two groups are not equal?
Question
Math 6510 • Differentiable Manifolds
Winter 2004 • Question 19