Results 11 to 20 of about 2,360,508 (305)
Operator Ideals and Operator Spaces [PDF]
Proceedings of the American Mathematical Society, 1995 We prove that every full symmetrically normed ideal of operators on a Hilbert space is realizable as the set of completely bounded maps between two homogeneous operator Hilbert spaces, with the c.b. norm equivalent to (but in general not equal to) the symmetric norm. We show that one can have equality of the c.b.
Mathes, D. Benjamin, Paulsen, Vern I.
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Ideal Bose gas and blackbody radiation in the Dunkl formalism [PDF]
Journal of Statistical Mechanics: Theory and Experiment, 2023 Recently, deformed quantum systems have received lots of attention in the literature. Dunkl formalism differs from others by containing the difference-differential and reflection operator.
F. Merabtine +4 more
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Vortexability: A unifying criterion for ideal fractional Chern insulators [PDF]
Physical review B, 2022 Fractional Chern insulators realize the remarkable physics of the fractional quantum Hall effect (FQHE) in crystalline systems with Chern bands. The lowest Landau level (LLL) is known to host the FQHE, but not all Chern bands are suitable for realizing ...
P. Ledwith, A. Vishwanath, D. Parker
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BelNet: basis enhanced learning, a mesh-free neural operator [PDF]
Proceedings of the Royal Society A, 2022 Operator learning trains a neural network to map functions to functions. An ideal operator learning framework should be mesh-free in the sense that the training does not require a particular choice of discretization for the input functions, allows for ...
Zecheng Zhang +2 more
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Weaker relatives of the bounded approximation property for a Banach operator ideal [PDF]
Journal of Approximation Theory, 2014 Fixed a Banach operator ideal A , we introduce and investigate two new approximation properties, which are strictly weaker than the bounded approximation property (BAP) for A of Lima et?al. (2010). We call them the weak BAP for A and the local BAP for A ,
S. Lassalle, E. Oja, Pablo Turco
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The Ideal of σ-Nuclear Operators and Its Associated Tensor Norm
Mathematics, 2020 We introduce a new tensor norm ( σ -tensor norm) and show that it is associated with the ideal of σ -nuclear operators. In this paper, we investigate the ideal of σ -nuclear operators and the σ -tensor norm.
Ju Myung Kim, Keun Young Lee
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Norm of matrix operator on Orlicz-binomial spaces and related operator ideal
, 2020 The purpose of this article is to introduce Orlicz extension of binomial sequence spaces br,s φ and investigate some topological and inclusion properties of the new spaces.
Taja Yaying, B. Hazarika, M. Mursaleen
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IDEAL OPERATORS AND HIGHER INDESCRIBABILITY
The Journal of Symbolic Logic, 2022 AbstractWe investigate properties of the ineffability and the Ramsey operator, and a common generalization of those that was introduced by the second author, with respect to higher indescribability, as introduced by the first author. This extends earlier investigations on the ineffability operator by James Baumgartner, and on the Ramsey operator by Qi ...
Cody, Brent, Holy, Peter
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The history of a general criterium on spaceability
Open Mathematics, 2017 There are just a few general criteria on spaceability. This survey paper is the history of one of the first ones. Let I1 and I2 be arbitrary operator ideals and E and F be Banach spaces.
Sánchez Víctor M.
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A note on Nakano generalized difference sequence space
Advances in Difference Equations, 2020 In this paper, we investigate the necessary conditions on any s-type sequence space to form an operator ideal. As a result, we show that the s-type Nakano generalized difference sequence space X fails to generate an operator ideal.
Awad A. Bakery, Afaf R. Abou Elmatty
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