TITLE:
Proving and Extending Greub-Reinboldt Inequality Using the Two Nonzero Component Lemma
AUTHORS:
Morteza Seddighin
KEYWORDS:
Greub-Reinboldt Inequality, Two Nonzero Component Lemma
JOURNAL NAME:
Advances in Linear Algebra & Matrix Theory,
Vol.4 No.2,
June
16,
2014
ABSTRACT: We will use the author’s Two Nonzero Component Lemma to give a new proof
for the Greub-Reinboldt Inequality. This method has the advantage of showing
exactly when the inequality becomes equality. It also provides information
about vectors for which the inequality becomes equality. Furthermore, using the
Two Nonzero Component Lemma, we will generalize Greub-Reinboldt Inequality to
operators on infinite dimensional separable Hilbert spaces.