English

Hlawka-Popoviciu inequalities on positive definite tensors

Functional Analysis 2014-11-18 v2

Abstract

We prove inequalities on symmetric tensor sums of positive definite operators. In particular, we prove multivariable operator inequalities inspired by generalizations to the well-known Hlawka and Popoviciu inequalities. As corollaries, we obtain generalized Hlawka and Popoviciu inequalities for determinants, permanents, and generalized matrix functions. The new operator inequalities and their corollaries contain a few recently published inequalities on positive definite matrices as special cases.

Keywords

Cite

@article{arxiv.1411.0065,
  title  = {Hlawka-Popoviciu inequalities on positive definite tensors},
  author = {Wolfgang Berndt and Suvrit Sra},
  journal= {arXiv preprint arXiv:1411.0065},
  year   = {2014}
}

Comments

9 pages; a new section on tensor Popoviciu inequalities