Exotic R4
Donaldson (1983) showed there exists an exotic smooth Differential Structure on 
. Donaldson's result hasbeen extended to there being precisely a Continuum of nondiffeomorphic Differential Structures on .
References
Donaldson, S. K. ``Self-Dual Connections and the Topology of Smooth 4-Manifold.'' Bull. Amer. Math. Soc. 8, 81-83, 1983. Monastyrsky, M. Modern Mathematics in the Light of the Fields Medals. Wellesley, MA: A. K. Peters, 1997.
- Fair Game
- Fairy Chess
- Fallacy
- False
- False Position Method
- Faltung (Form)
- Faltung (Function)
- Fan
- Fano Plane
- Fano's Axiom
- Farey Sequence
- Farey Series
- Farkas's Lemma
- Faro Shuffle
- Far Out
- Far-Out Point
- Fast Fibonacci Transform
- Fast Fourier Transform
- Fat Fractal
- Fatou Dust
- Fatou Set
- Fatou's Lemma
- Fatou's Theorems
- Faulhaber's Formula
- Favard Constants