Horizontal Bundle: Mathematics, Differential Topology, Fiber Bundle

Secondary Vector Bundle Structure: Mathematics, Differential Topology, Bundle, Tangent

Caustic (Mathematics): Differential geometry, topology, Singularity theory, Critical value, Symplectic manifold, Subset,...

Vertical Bundle: Fiber Bundle, Subbundle, Tangent Smooth Manifold, Kernel (Mathematics), Pushforward (Differential)

Monopole (mathematics): Mathematics, Connection (fiber bundle), Principal Bundle