Fixed-point theorem
- Atiyah–Bott fixed-point theorem
- Banach fixed-point theorem
- Bekić's theorem
- Borel fixed-point theorem
- Brouwer fixed-point theorem
- Browder fixed-point theorem
- Caristi fixed-point theorem
- Constructivism (mathematics)
- Diagonal lemma
- Discrete fixed-point theorem
- Don Zagier
- Dottie number
- Earle-Hamilton fixed-point theorem
- Euclidean space
- Fermat's theorem on sums of two squares
- Fixed-point combinator
- Fixed-point combinator
- Fixed-point lemma for normal functions
- Fixed-point property
- Fixed-point theorems in infinite-dimensional spaces
- Injective metric space
- Kakutani fixed-point theorem
- Kleene fixed-point theorem
- Kleene's recursion theorem
- Knaster–Tarski theorem
- Lawvere's fixed-point theorem
- Lefschetz fixed-point theorem
- Nielsen fixed-point theorem
- Nielsen theory
- Partial differential equation
- Poincaré–Birkhoff theorem
- Recursion (computer science)
- Ryll-Nardzewski fixed-point theorem
- Schauder fixed-point theorem
- Sperner's lemma
- Topological degree theory
- Trace formula (disambiguation)
- Tychonoff fixed-point theorem