Generalization of Fuglede-Putnam Theorem to (p, q)−Quasiposinormal Operator and (p, q)− Co-posinormal Operator | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 21, Issue 3, May 2016, Pages 184-186 | ||
| Author | ||
| Mahmood Kamil Shihab | ||
| Abstract | ||
| In this paper we generalize the Fuglede-Putnam theorem to non-normal operators to posinormal operator and co-posinormal operators. Also we prove this theorem to supra class posinormal operators (called supraposinormal operator) and co-supra class posinormal operators (called cosupraposinormal operator). | ||
| Keywords | ||
| Fuglede; Putnam Theorem; posinormal operator; positive operator | ||
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