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pro vyhledávání: '"Daptari, Soumitra"'
Autor:
Daptari, Soumitra
In this paper, we study several variants of Hahn-Banach smoothness, viz., property-$(SU)$/$(HB)$/$(wU)$, where property-$(SU)$ and property-$(HB)$ are stronger notions and property-$(wU)$ is a weaker notion of Hahn-Banach smoothness. We characterize
Externí odkaz:
http://arxiv.org/abs/2403.03453
The main goal of this article is to establish several new $\mathbb{A}$-numerical radius equalities and inequalities for $n\times n$ cross-diagonal, left circulant, skew left circulant operator matrices, where $\mathbb{A}$ is the $n\times n$ diagonal
Externí odkaz:
http://arxiv.org/abs/2312.12093
Autor:
Daptari, Soumitra, Paul, Tanmoy
In this study, we analyze the various strengthening and weakening of the uniqueness of the Hahn--Banach extension. In addition, we consider the case in which $Y$ is an ideal of $X$. In this context, we study the property-$(U)/ (SU)/ (HB)$ and propert
Externí odkaz:
http://arxiv.org/abs/2202.00947
Publikováno v:
Linear and Multilinear Algebra 2021
In this paper we study two properties viz. property-$U$ and property-$SU$ of a subspace $Y$ of a Banach space which correspond to the uniqueness of the Hahn-Banach extension of each linear functional in $Y^*$ and in addition to that this association
Externí odkaz:
http://arxiv.org/abs/2009.09581
Autor:
Daptari, Soumitra1 (AUTHOR), Paul, Tanmoy1 (AUTHOR)
Publikováno v:
Numerical Functional Analysis & Optimization. 2022, Vol. 43 Issue 4, p486-495. 10p.
Publikováno v:
Linear & Multilinear Algebra; Dec2022, Vol. 70 Issue 21, p6067-6083, 17p
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