Results 11 to 20 of about 558,032 (264)
A note on multivariate majorization [PDF]
Journal of Mahani Mathematical Research, 2022 A matrix $A$ is said to be multivariate majorized by a matrix $B$, written $A\prec B$, if there exists a doubly stochastic matrix $D$ such that $A = BD$ .
Mehdi Dehghanian, Ahmad Mohammadhasani
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Classification of the extreme points of ${\mathcal L}_s(^2l_{\infty}^3)$ by computation
Karpatsʹkì Matematičnì Publìkacìï, 2022 Let $l_{\infty}^3=\mathbb{R}^3$ be endowed with the supremum norm. In [Comment. Math. 2017, 57 (1), 1-7], S.G. Kim classified the extreme points of the unit ball of ${\mathcal L}_s(^2l_{\infty}^3)$ only using Mathematica 8, where ${\mathcal L}_s(^2l_ ...
Sung Guen Kim
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Some Properties of Certain Subclass of Meromorphic Functions Associated with $(p , q)$-derivative [PDF]
Sahand Communications in Mathematical Analysis, 2020 In this paper, by making use of $(p , q) $-derivative operator we introduce a new subclass of meromorphically univalent functions. Precisely, we give a necessary and sufficient coefficient condition for functions in this class.
Mohammad Hassan Golmohammadi +2 more
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Extreme points of ${\mathcal L}_s(^2l_{\infty})$ and ${\mathcal P}(^2l_{\infty})$
Karpatsʹkì Matematičnì Publìkacìï, 2021 For $n\geq 2,$ we show that every extreme point of the unit ball of ${\mathcal L}_s(^2l_{\infty}^n)$ is extreme in ${\mathcal L}_s(^2l_{\infty}^{n+1})$, which answers the question in [Period. Math. Hungar. 2018, 77 (2), 274-290].
Sung Guen Kim
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Preservation of Extreme Points
Mathematics, 2022 We characterize the extreme points of the closed unit ball of the dual of a Banach space which are preserved by the adjoint of any extreme operator. The result is related to the structure topology introduced by Alfsen and Effros on the set of all extreme points in the dual of any Banach space.
Juan Francisco Mena-Jurado +1 more
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Geometric Invariants of Surjective Isometries between Unit Spheres
Mathematics, 2021 In this paper we provide new geometric invariants of surjective isometries between unit spheres of Banach spaces. Let X,Y be Banach spaces and let T:SX→SY be a surjective isometry.
Almudena Campos-Jiménez +1 more
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Extreme and exposed symmetric bilinear forms on the space ${\mathcal L}_{s}(^2 l_{\infty}^2)$
Karpatsʹkì Matematičnì Publìkacìï, 2020 We classify extreme points and exposed points of the unit ball of the space of bilinear symmetric forms on the real Banach space of bilinear symmetric forms on $l_{\infty}^2.$ It is shown that for this case, the set of extreme points is equal to the set ...
Sung Guen Kim
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An Extreme Point of Orlicz Spaces Equipped with Φ-Amemiya Norm
Journal of Harbin University of Science and Technology, 2021 In Orlicz space，the formula of computation of a new norm that we call Φ-Amemiya norm is given． In this paper，we disscuss the conditions of norm attainability of the Orlicz space equipped with Φ-Amemiya norm， and the criterion of an extreme point is ...
CUI Yun-an, AN Li-li
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Frontiers in Physics, 2020 In this paper, the maximum principle of variable-order fractional diffusion equations and the estimates of fractional derivatives with higher variable order are investigated.
Guangming Xue +5 more
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An application of the Choquet theorem to the study of randomly-superinvariant measures [PDF]
Opuscula Mathematica, 2012 Given a real valued random variable \(\Theta\) we consider Borel measures \(\mu\) on \(\mathcal{B}(\mathbb{R})\), which satisfy the inequality \(\mu(B) \geq E\mu(B-\Theta)\) (\(B \in \mathcal{B}(\mathbb{R})\)) (or the integral inequality \(\mu(B) \geq ...
Teresa Rajba
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