Formulas
- H square
- Haagerup property
- Hadamard's dynamical system
- Hadamard's gamma function
- Hadamard code
- Hadamard manifold
- Hadamard matrix
- Hadamard product (matrices)
- Hadamard three-circle theorem
- Harshad number
- Hartley transform
- Hartman–Grobman theorem
- Hartogs number
- Hartogs–Rosenthal theorem
- Hasse invariant of an algebra