More Questions and Some Open Problems II

Mohammed Hichem Mortad
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Mohammed Hichem Mortad: University of Oran 1

Chapter Chapter 32 in Counterexamples in Operator Theory, 2022, pp 567-570 from Springer

Abstract: Abstract (Can you) Find a densely defined right invertible operator T and a densely defined operator S such that ST is densely defined and ( S T ) ∗ ≠ T ∗ S ∗ . $$\displaystyle (ST)^*\neq T^*S^*. $$

Date: 2022
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DOI: 10.1007/978-3-030-97814-3_32

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