Homomorphisms of matrix algebras and constructions of Butson-Hadamard matrices.
Padraig Ó CatháinEric SwartzPublished in: Discret. Math. (2019)
Keyphrases
- singular value decomposition
- coefficient matrix
- square matrices
- positive definite
- matrix representation
- projection matrices
- singular values
- perturbation theory
- eigenvalues and eigenvectors
- linear algebra
- block diagonal
- positive semidefinite
- projection matrix
- rows and columns
- data matrix
- sparse matrix
- linear complementarity problem
- measurement matrix
- matrix multiplication
- distance matrix
- symmetric positive definite
- correlation matrix
- systems of linear equations
- sparse matrices
- low rank approximation
- symmetric matrices
- totally unimodular
- matrix completion
- pseudo inverse
- binary matrices
- random projections
- low rank and sparse
- low rank matrix approximation
- distributive lattices
- affinity matrix
- linear systems
- graph theory
- low rank
- temporal reasoning
- binary matrix
- factorization method
- factor matrices
- covariance matrix
- kernel function
- pairwise