Critical Value: Differential Topology, Differentiable Function, Manifold

Rank (Differential Topology): Differentiable Map, Manifold, Linear Tangent Space, Vector Space

Whitney Embedding Theorem: Mathematics, Differential Topology, Differentiable Manifold, Hausdorff Space, Second Countable

Almost Symplectic Manifold: Differential Geometry, Differentiable Manifold, Form

Round Function: Topology, Calculus, Scalar Function, Manifold, Critical Point (Mathematics), Connected Space