Modulus (Quadratic Invariants)
The quantity 
obtained by letting
 |  |  | (1) |
 | |  | (2) |
in
 | (3) |
 | |  | (4) |
 | |  | (5) |
 | |  | (6) |
and
 | (7) |
- Heat Conduction Equation--Disk
- Heaviside Calculus
- Heaviside Step Function
- Heawood Conjecture
- Hebesphenomegacorona
- Hecke Algebra
- Hecke L-Function
- Hecke Operator
- Hecke Ring
- Hectogon
- Hedgehog
- Heegaard Diagram
- Heegaard Splitting
- Heegner Number
- Heesch Number
- Heesch's Problem
- Height
- Heilbronn Triangle Problem
- Heine-Borel Theorem
- Heine Hypergeometric Series
- Heisenberg Group
- Heisenberg Space
- Held Group
- Helen of Geometers
- Helicoid