Interchangeability of unbounded linear operators: General theory of transmutativity
Miroslav Sova (1982)
Časopis pro pěstování matematiky
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Miroslav Sova (1982)
Časopis pro pěstování matematiky
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M. R. Dostanić (1989)
Matematički Vesnik
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Lars Hörmander (1961)
Annales de l'institut Fourier
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On donne une condition suffisante pour l’hypoellipticité d’une équation différentielle à coefficients variables. La démonstration utilise une paramétrix construite par transformation de Fourier.
S.C. Arora, Ramesh Kumar (1981)
Publications de l'Institut Mathématique
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C. Parenti, L. Rodino (1983)
Banach Center Publications
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Josefina Alvarez, Mario Milman (1986)
Revista Matemática Iberoamericana
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In this article we consider a theory of vector valued strongly singular operators. Our results include Lp, Hp and BMO continuity results. Moreover, as is well known, vector valued estimates are closely related to weighted norm inequalities. These results are developed in the first four sections of our paper. In section 5 we use our vector valued singular integrals to estimate the corresponding maximal operators. Finally in section 6 we discuss...
Galakhov, E. (1997)
Memoirs on Differential Equations and Mathematical Physics
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