A remark on hypoelliptic differential and convolution operators
Z. Zieleźny (1966)
Colloquium Mathematicae
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Z. Zieleźny (1966)
Colloquium Mathematicae
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Nedeljkov, M., Pilipović, S. (1992)
Publications de l'Institut Mathématique. Nouvelle Série
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Jacek Dziubański (1989)
Colloquium Mathematicae
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S. R. Yadava (1972)
Matematički Vesnik
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Anna Kula (2010)
Banach Center Publications
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Two important examples of q-deformed commutativity relations are: aa* - qa*a = 1, studied in particular by M. Bożejko and R. Speicher, and ab = qba, studied by T. H. Koornwinder and S. Majid. The second case includes the q-normality of operators, defined by S. Ôta (aa* = qa*a). These two frameworks give rise to different convolutions. In particular, in the second scheme, G. Carnovale and T. H. Koornwinder studied their q-convolution. In the present paper we consider another convolution...
Brian Fisher, Emin Özcag (1991)
Publications de l'Institut Mathématique
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Nedeljkov, M., Pilipović, S. (1992)
Publications de l'Institut Mathématique. Nouvelle Série
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Charles W. Swartz (1975)
Czechoslovak Mathematical Journal
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Marko Nedeljkov, Stevan Pilipović (1992)
Publications de l'Institut Mathématique
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Brian Fisher (1991)
Annales Polonici Mathematici
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E. Gesztelyi (1970)
Annales Polonici Mathematici
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Daniel M. Oberlin (1982)
Colloquium Mathematicae
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Tobias Lorson, Jürgen Müller (2015)
Studia Mathematica
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A class of convolution operators on spaces of holomorphic functions related to the Hadamard multiplication theorem for power series and generalizing infinite order Euler differential operators is introduced and investigated. Emphasis is placed on questions concerning injectivity, denseness of range and surjectivity of the operators.
Oscar Blasco (1988)
Mathematische Zeitschrift
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Kazimierz Urbanik (1987)
Colloquium Mathematicum
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