Self-Adjoint Matrix
A Matrix A for which
where the Adjoint Operator is denoted
, 
is the Matrix Transpose, and 
is theComplex Conjugate. If a Matrix is self-adjoint, it is said to be Hermitian.See also Adjoint Operator, Hermitian Matrix, Matrix Transpose- Hexagon Polyiamond
- Hexagram
- Hexagrammum Mysticum Theorem
- Hexahedron
- Hexahemioctahedron
- Hexakaidecagon
- Hexakis Icosahedron
- Hexakis Octahedron
- Hex Game
- Hexlet
- HexLife
- Hex Number
- Hexomino
- Hex (Polyhex)
- Hex Pyramidal Number
- Heyting Algebra
- H-Fractal
- H-Function
- Hh Function
- Higher Arithmetic
- Highest Weight Theorem
- HighLife
- Highly Abundant Number
- Highly Composite Number
- Higman-Sims Group