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Displaying 661 – 680 of 727

Convolutions on compact groups and Fourier algebras of coset spaces

Brian E. Forrest, Ebrahim Samei, Nico Spronk (2010)

Studia Mathematica

We study two related questions. (1) For a compact group G, what are the ranges of the convolution maps on A(G × G) given for u,v in A(G) by u × v ↦ u*v̌ (v̌(s) = v(s^-1)) and u × v ↦ u*v? (2) For a locally compact group G and a compact subgroup K, what are the amenability properties of the Fourier algebra of the coset space A(G/K)? The algebra A(G/K) was defined and studied by the first named author. In answering the first question, we obtain, for compact groups which do not...

Copies of $l_{p}^{n}$ ’s uniformly in the spaces $Π_{2} (C [0, 1], X)$ and $Π_{1} (C [0, 1], X)$

Dumitru Popa (2017)

Czechoslovak Mathematical Journal

We study the presence of copies of $l_{p}^{n}$ ’s uniformly in the spaces $Π_{2} (C [0, 1], X)$ and $Π_{1} (C [0, 1], X)$ . By using Dvoretzky’s theorem we deduce that if $X$ is an infinite-dimensional Banach space, then $Π_{2} (C [0, 1], X)$ contains $λ \sqrt{2}$ -uniformly copies of $l_{\infty}^{n}$ ’s and $Π_{1} (C [0, 1], X)$ contains $λ$ -uniformly copies of $l_{2}^{n}$ ’s for all $λ > 1$ . As an application, we show that if $X$ is an infinite-dimensional Banach space then the spaces $Π_{2} (C [0, 1], X)$ and $Π_{1} (C [0, 1], X)$ are distinct, extending the well-known result that the spaces $Π_{2} (C [0, 1], X)$ and $𝒩 (C [0, 1], X)$ are distinct.

Corner Mellin operators and reduction of orders with parameters

B. W. Schulze (1989)

Annali della Scuola Normale Superiore di Pisa - Classe di Scienze

Correct selfadjoint and positive extensions of nondensely defined minimal symmetric operators.

Parassidis, I., Tsekrekos, P. (2005)

Abstract and Applied Analysis

Correction "Almost everywhere summability of eiegnfunction expansion associated to elliptic operators" by Waldemar Hebish, Studia Math. 96(3) 1990, 263-275

(1990)

Studia Mathematica

Correction to "An index formula for chains" (Studia Math. 116 (1995), 283-294)

Robin Harte, Woo Lee (1996)

Studia Mathematica

Correction to "Approximation with Restricted Spectra".

C.K. Chui, P.W. Smith, J.D. Ward (1976)

Mathematische Zeitschrift

Correction to "Method od orthogonal projections and approximation of the spectrum of a bounded operator" Studia Math. 65 (1979), 21-29

Andrzej Pokrzywa (1985)

Studia Mathematica

Correction to my paper: “Existence theorems for operator equations and nonlinear elliptic boundary-value problems” [Comment. Math. Univ. Carolinae 14 (1973), 27-46]

Walter Petry (1974)

Commentationes Mathematicae Universitatis Carolinae

Correction to my paper "On a type of matrix semigroup algebras" .

J.S. Ponizovskiï (1994)

Semigroup forum

Correction to: Spectral Geometry and the Kaehler Condition for Complex Manifolds.

Peter B. Gilkey (1975)

Inventiones mathematicae

Correction to the paper “Existence of solutions for the Dirichlet problem with superlinear nonlinearities”

Andrzej Nowakowski, Andrzej Rogowski (2005)

Czechoslovak Mathematical Journal

Correction to the paper: Random coincidence degree theory with applications to random differential inclusions

Enayet U, Tarafdar, P. Watson, George Xian-Zhi Yuan (1997)

Commentationes Mathematicae Universitatis Carolinae

Corrections to expose XXIV

(1977/1978)

Séminaire Analyse fonctionnelle (dit "Maurey-Schwartz")

Corrections to “Radial limits in co-invariant subspaces"

D. R. Georgijević (1987)

Matematički Vesnik

Corrections to the paper “The boundedness of certain sublinear operator in the weighted variable Lebesgue spaces“

Rovshan A. Bandaliev (2013)

Czechoslovak Mathematical Journal

In this paper the author proved the boundedness of the multidimensional Hardy type operator in weighted Lebesgue spaces with variable exponent. As an application he proved the boundedness of certain sublinear operators on the weighted variable Lebesgue space. The proof of the boundedness of the multidimensional Hardy type operator in weighted Lebesgue spaces with a variable exponent does not contain any mistakes. But in the proof of the boundedness of certain sublinear operators on the weighted...

Corrigenda to: "Optimal domains for the kernel operator associated with Sobolev's inequality" (Studia Math. 158 (2003), 131-152)

Guillermo P. Curbera, Werner J. Ricker (2005)

Studia Mathematica

Corrigenda to "Unique continuation for Schrödinger operators" and a remark on interpolation of Morrey spaces.

Alberto Ruiz, Luis Vega (1995)

Publicacions Matemàtiques

The purpose of this note is twofold. First it is a corrigenda of our paper [RV1]. And secondly we make some remarks concerning the interpolation properties of Morrey spaces.

Corrigendum and addendum: "On the axiomatic theory of spectrum II"

J. Koliha, M. Mbekhta, V. Müller, Pak Poon (1998)

Studia Mathematica

The main purpose of this paper is to correct the proof of Theorem 15 of [4], concerned with the stability of the class of quasi-Fredholm operators under finite rank perturbations, and to answer some open questions raised there.

Corrigendum on "Semigroup-theoretical proofs of the central limit theorem and other theorems of analysis.

J. Goldstein (1976)

Semigroup forum

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