Mathematical Inequalities & Applications · Volume 24, Issue 4 Matrix-valued positive definite kernels given by expansions: strict positive definiteness 24-79 Pages 1135-1148 DOI 10.7153/mia-2021-24-79 Downloads Short PDF Full PDF PNG Authors Willian Franca V. A. Menegatto Keywords Matrix-valued kernels positive definiteness kernel expansions strict positive definiteness Cauchy-Schwarz inequality Subject classes 42A82 42C10 43A35