Weighted EP Banach space operators and Banach algebra elements are characterized using different kinds of factorizations. The results presented extend well-known characterizations of (weighted) EP matrices, (weighted) EP Hilbert space operators and (weighted) EP $C^*$-algebra elements.
"Factorizations of weighted EP Banach space operators and Banach algebra elements." Banach J. Math. Anal. 9 (3) 114 - 127, 2015. https://doi.org/10.15352/bjma/09-3-8