Formulas
- U-invariant
- Whitehead manifold
- Stable manifold
- Stable principal bundle
- Stably free module
- Ultraconnected space
- Sullivan conjecture
- Thomas–Fermi equation
- Thomas–Yau conjecture
- Three spheres inequality
- Traveling plane wave
- Evasive Boolean function
- Even-hole-free graph
- Event structure
- Eventually (mathematics)