- diagonalizable group scheme
- diagonalizable linear group
- diagonalizable linear transformation
- diagonalizable matrix
- diagonalizable operator
- diagonalization
- diagonalization; diagonal argument; diagonal method
- diagonalization lemma
- diagonalization method
- diagonalization of quadratic form
- diagonalization procedure
- diagonalization process
- diagonalization theorem
- diagonal line
- diagonal line of a matrix
- diagonal loop
- diagonally dominant matrix
- diagonally nonrecursive function
- diagonal magic cube
- diagonal mapping
- diagonal matrix
- diagonal method
- diagonal metric
- diagonal mirror
- diagonal modular invariant