Journal
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS
Volume 531, Issue 2, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jmaa.2023.127893
Keywords
Positive operator; Anti -dual pair; Supremum; Infimum; Lebesgue decomposition; Strength function
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The purpose of this article is to explore the order properties of positive operators, and introduce a natural generalization of the Busch-Gudder strength function in the context of locally convex spaces. We also prove Kadison's anti-lattice theorem and Ando's result on the infimum of positive operators.
Our purpose in this note is to investigate the order properties of positive operators from a locally convex space into its conjugate dual. We introduce a natural generalization of the Busch-Gudder strength function and we prove Kadison's anti-lattice theorem and Ando's result on the infimum of positive operators in that context.(c) 2023 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http:// creativecommons .org /licenses /by -nc -nd /4 .0/).
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