Unbounded multipliers and summation of series
A. F. Kleiner (1973)
Colloquium Mathematicae
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A. F. Kleiner (1973)
Colloquium Mathematicae
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A. Szaz (1981)
Matematički Vesnik
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Raymond Cheng, Javad Mashreghi, William T. Ross (2017)
Concrete Operators
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This paper is selective survey on the space lAp and its multipliers. It also includes some connections of multipliers to Birkhoff-James orthogonality
Ivan G. Todorov, Lyudmila Turowska (2010)
Banach Center Publications
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The present article is a survey of known results on Schur and operator multipliers. It starts with the classical description of Schur multipliers due to Grothendieck, followed by a discussion of measurable Schur multipliers and a generalisation of Grothendieck's Theorem due to Peller. Thereafter, a non-commutative version of Schur multipliers, called operator multipliers and introduced by Kissin and Schulman, is discussed, and a characterisation extending the description in the commutative...
Kathryn E. Hare, Parasar Mohanty (2005)
Studia Mathematica
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We study the spaces of Lorentz-Zygmund multipliers on compact abelian groups and show that many of these spaces are distinct. This generalizes earlier work on the non-equality of spaces of Lorentz multipliers.
G. Mauceri, Saverio Giulini, S. Meda (1997)
Journal für die reine und angewandte Mathematik
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Max Jodeit (1970)
Studia Mathematica
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K. Unni (1974)
Studia Mathematica
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Douglas S. Kurtz (1990)
Colloquium Mathematicae
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M. Wojciechowski (2002)
Studia Mathematica
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Marek Bożejko (1987)
Colloquium Mathematicae
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Francisco Villarroya (2008)
Czechoslovak Mathematical Journal
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We give one sufficient and two necessary conditions for boundedness between Lebesgue or Lorentz spaces of several classes of bilinear multiplier operators closely connected with the bilinear Hilbert transform.
Hans Triebel (1979)
Banach Center Publications
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Loukas Grafakos, Nigel J. Kalton (2001)
Studia Mathematica
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This article is concerned with the question of whether Marcinkiewicz multipliers on give rise to bilinear multipliers on ℝⁿ × ℝⁿ. We show that this is not always the case. Moreover, we find necessary and sufficient conditions for such bilinear multipliers to be bounded. These conditions in particular imply that a slight logarithmic modification of the Marcinkiewicz condition gives multipliers for which the corresponding bilinear operators are bounded on products of Lebesgue and Hardy...
H. M. Wark (2015)
Studia Mathematica
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A proof of a necessary and sufficient condition for a sequence to be a multiplier of the normalized Haar basis of L¹[0,1] is given. This proof depends only on the most elementary properties of this system and is an alternative proof to that recently found by Semenov & Uksusov (2012). Additionally, representations are given, which use stochastic processes, of this multiplier norm and of related multiplier norms.