Suppose \(X\) is a smooth submanifold of \(\mathbb {R}^3\) and a nonempty closed surface. Prove that there is a plane \(P\subset \mathbb {R}^3\) such that \(X\cap P\) is a nonempty collection of circles.
Question
Math 6510 • Differentiable Manifolds
Fall 2007 • Question 8