Positivity of Hadamard powers of a few band matrices

Veer Singh Panwar, A. Satyanarayana Reddy

Let ${\mathbb{P}}_G([0,\infty ))$ and ${\mathbb{P}}_G^{{}^{\prime }}([0,\infty ))$ be the sets of positive semidefinite and positive definite matrices of order $n$, respectively, with nonnegative e…