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This paper demonstrates an elementary proof of the Bhatia-Šemrl theorem using the minimax theorem, implying insights into bounded linear operators.
In this paper, we present an elementary proof of the Bhatia-{S}emrl Theorem, utilizing the Minimax Theorem for bounded linear operators by Asplund and Ptak [1]. Some related results are also discussed.
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Hranislav Stanković (2025) studied this question.
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