Similar to バナッハの不動点定理

Loop (topology)

Baire function

Penrose triangle

Homotopy

Borromean rings

Path (topology)

Trivial topology

Indiscrete space

Orientability

Germ (mathematics)

Euclidean topology

Net (mathematics)

Lamination (topology)

Retraction (topology)

Connected sum

Lens space

Continuity (mathematics)

Lakes of Wada

Fixed-point theorem

Kakutani fixed-point theorem

Kleene fixed-point theorem

Brouwer fixed-point theorem

Poincaré–Birkhoff theorem

Borel fixed-point theorem

Markov–Kakutani fixed-point theorem

Fixed-point theorems in infinite-dimensional spaces

Lefschetz fixed-point theorem