Free operators with operator coefficients
Franz Lehner (1998)
Colloquium Mathematicae
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Displaying similar documents to “ estimates for pseudodifferential operators”
Free operators with operator coefficients
The Littlewood-Paley function and φ-trans-form characterizations of a new Hardy space HK₂ associated with the Herz space
Shanzhen Lu, Dachun Yang (1992)
Studia Mathematica
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We give a Littlewood-Paley function characterization of a new Hardy space HK₂ and its φ-transform characterizations in M. Frazier & B. Jawerth's sense.
-uniqueness for infinite dimensional symmetric Kolmogorov operators : the case of variable diffusion coefficients
Vitali Liskevich, Michael Röckner, Zeev Sobol, Oleksiy Us (2001)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Tail and moment estimates for some types of chaos
Rafał Latała (1999)
Studia Mathematica
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Let be a sequence of independent symmetric real random variables with logarithmically concave tails. We consider a variable , where are real numbers. We derive approximate formulas for the tails and moments of X and of its decoupled version, which are exact up to some universal constants.
Multilinear Calderón-Zygmund operators on Hardy spaces.
Loukas Grafakos, Nigel Kalton (2001)
Collectanea Mathematica
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It is shown that multilinear Calderón-Zygmund operators are bounded on products of Hardy spaces.
Orthogonal polynomials and middle Hankel operators on Bergman spaces
Lizhong Peng, Richard Rochberg, Zhijian Wu (1992)
Studia Mathematica
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We introduce a sequence of Hankel style operators , k = 1,2,3,..., which act on the Bergman space of the unit disk. These operators are intermediate between the classical big and small Hankel operators. We study the boundedness and Schatten-von Neumann properties of the and show, among other things, that are cut-off at 1/k. Recall that the big Hankel operator is cut-off at 1 and the small Hankel operator at 0.
A variant sharp estimate for multilinear singular integral operators
Guoen Hu, Dachun Yang (2000)
Studia Mathematica
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We establish a variant sharp estimate for multilinear singular integral operators. As applications, we obtain the weighted norm inequalities on general weights and certain type estimates for these multilinear operators.
Non-similarity of Walsh and trigonometric systems
P. Wojtaszczyk (2000)
Studia Mathematica
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We show that in for p ≠ 2 the constants of equivalence between finite initial segments of the Walsh and trigonometric systems have power type growth. We also show that the Riemann ideal norms connected with those systems have power type growth.