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math.FA2019
Weighted weak group inverse for Hilbert space operators
Dijana Mosic, Daochang Zhang
We present the weighted weak group inverse, which is a new generalized inverse of operators between two Hilbert spaces, introduced to extend weak group inverse for square matrices.…
math.FA2015
Factorizations of weighted EP Banach space operators and Banach algebra elements
Enrico Boasso, Dragan S. Djordjevic, Dijana Mosic
Weighted EP Banach space operators and Banach algebra elements are characterized using different kinds of factorizations. The results presented extend well-known characterizations…