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Hausdorff dimension of differences of badly approximable sets
The set of badly approximable numbers, Bad, is known to be winning for Schmidt\u27s game and hence has full Hausdorff dimension. It is also known that the set of inhomogeneously badly approximable numbers has full dimension.
Hatefi, Dorsa, Simmons, David
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Abstracts of CIRSE (Cardiovascular and Interventional Radiological Society of Europe) 2010. October 2-6, 2010. Valencia, Spain. [PDF]
Cardiovasc Intervent Radiol, 2010 europepmc +1 more source
Stability of Homomorphisms, Coverings and Cocycles I: Equivalence
Chapman M, Lubotzky A.
europepmc +1 more source
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Operators, fuzzy operators and Pawlak’s approximations in operators
Afrika Matematika, 2021zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ostadhadi-Dehkordi, S., Hila, K.
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Amenability of Algebras of Approximable Operators [PDF]
Israel Journal of Mathematics, 2009 We give a necessary and sufficient condition for amenability of the Banach algebra of approximable operators on a Banach space. We further investigate the relationship between amenability of this algebra and factorization of operators, strengthening ...
Blanco, Ariel +3 more
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Factoring Compact Operators and Approximable Operators
Zeitschrift für Analysis und ihre Anwendungen, 1990Our paper is concerned with two topics. The first one is represented by aversion of Figiel’s and Johnson’s theorem on the factorization of compact operators adapted to the framework of ordered Banach spaces. Namely, we prove that every compact operator from a Banach space to an ordered Banach space with closed generating cone (respectively, a Banaöh ...
Popovici, I. M., Vuza, D. T.
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On Landau-Type Approximation Operators
Mediterranean Journal of Mathematics, 2021After presenting a history of Landau's operators, the authors propose a new generalization of them. A family of convolution type operators depending on a real parameter and acting on functions defined on the whole real axis is constructed. A remarkable property of these new operators is that they reproduce the affine functions, a feature less commonly ...
Octavian Agratini, Sorin G. Gal
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Characterization of approximate monotone operators
2022The authors study approximate monotone operators. They show that a well-known property of monotone operators, namely, representing by convex functions, remains valid for this larger class of operators. In this general framework, results of \textit{S.
Rezaei, Mahboubeh, Mirsaney, Zahra Sadat
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