Listar Análisis Matemático por título
Mostrando ítems 236-255 de 608
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Artículo
Hardy-Littlewood inequalities for norms of positive operators on sequence spaces
(Elsevier, 2013-01-01)We consider estimates of Hardy and Littlewood for norms of operators on sequence spaces, and we apply a factorization result of Maurey to obtain improved estimates and simplified proofs for the special case of a positive operator.
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Artículo
Hausdorff and Box dimensions of continuous functions and lineability
(Taylor & Francis, 2019-05)Given s ∈ (1, 2], we study (among other questions) the algebraic genericity of the set of continuous functions f : [0, 1] → R whose graph has Hausdorff (or Box) dimension exactly s.
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Artículo
Heisenberg uniqueness pairs and the Klein-Gordon equation
(Princeton University, 2011)A Heisenberg uniqueness pair (HUP) is a pair (Γ, Λ), where Γ is a curve in the plane and Λ is a set in the plane, with the ...
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Ponencia
High-Energy Eigenfunctions of the Laplacian on the Torus and the Sphere with Nodal Sets of Complicated Topology
(Springer, 2021-04-17)Let Σ be an oriented compact hypersurface in the round sphere Sn or in the flat torus Tn, n≥3. In the case of the torus, ...
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Artículo
Highly tempering infinite matrices
(Springer, 2018-04)In this short note, it is proved the existence of infinite matrices that not only preserve convergence and limits of ...
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Libro
Historia del infinito: El apasionante relato de uno de los conceptos más profundos y enigmáticos de las matemáticas
(Pinolia, 2023-03-03)Uno de los más profundos conceptos de la matemática es, posiblemente, el de infinito. Los matemáticos hemos tardado muchos ...
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Ponencia
Historia del Instituto de Cálculo
(Instituto de Estudios Riojanos, 1988) -
Artículo
Holomorphic functions having large images under the action of differential operators
(Elsevier, 1999-02-15)We prove in this note that, given a simply connected domain G in the complex plane and a sequence of infinite order linear ...
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Artículo
Holomorphic operators generating dense images
(Springer, 2008-01)The existence of infinite dimensional closed linear spaces of holomorphic functions f on a domain G in the complex plane ...
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Artículo
Holomorphic T-monsters and strongly omnipresent operators
(Elsevier, 2000-06)Assume that G is a nonempty open subset of the complex plane and that T is an operator on the linear space of holomorphic ...
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Artículo
Homogenization of Bingham flow in thin porous media
(AIMS, 2019-12-01)By using dimension reduction and homogenization techniques, we study the steady flow of an incompresible viscoplastic ...
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Artículo
Homogenization of parabolic problems with dynamical boundary conditions of reactive-diffusive type in perforated media
(Wiley, 2020-06-13)This paper deals with the homogenization of the reaction-diffusion equations in a domain containing periodically distributed ...
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Artículo
Hypercyclic algebras for D-multiples of convolution operators
(American Mathematical Society, 2019-02)It is shown in this short note the existence, for each nonzero member of the ideal of D-multiples of convolution operators acting on the space of entire functions, of a scalar multiple of it supporting a hypercyclic algebra.
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Artículo
Hypercyclic sequences of differential and antidifferential operators
(Elsevier, 1999-02)In this paper, we provide some extensions of earlier results about hypercyclicity of some operators on the Fréchet space ...
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Artículo
Hypercyclic subspaces in Fréchet spaces
(American Mathematical Society, 2006-07)In this note, we show that every infinite-dimensional separable Fr´echet space admitting a continuous norm supports an ...
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Artículo
I ∞ 0 (∑) no es totalmente tonelado
(Real Academia de Ciencias Exactas, Físicas y Naturales, 1985)Let ∑ be an infinite σ-field and denote by I ∞ 0 (∑) the space spanned by the characteristic functions of elements of ∑, endowed with the supremum norm. We prove that I ∞ 0 (∑) is not totally barrelled.
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Capítulo de Libro
Improving bounds for singular operators via sharp reverse Hölder inequality for A∞
(Springer, 2013)In this expository article we collect and discuss some recent results on different consequences of a Sharp Reverse Hölder ...
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Artículo
Improving dimension estimates for Furstenberg-type sets
(Elsevier, 2010-01-30)In this paper we study the problem of estimating the generalized Hausdorff dimension of Furstenberg sets in the plane. For ...
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Artículo
Incompressible flow in porous media with fractional diffusion
(IOP Publishing, 2009-08)In this paper we study the heat transfer with a general fractional diffusion term of an incompressible fluid in a porous ...