Invariant differential pairings.
Kroeske, J. (2008)
Acta Mathematica Universitatis Comenianae. New Series
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Kroeske, J. (2008)
Acta Mathematica Universitatis Comenianae. New Series
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Garetto, Claudia, Gramchev, Todor, Oberguggenberger, Michael (2005)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Matsuki, Toshihiko (2003)
Journal of Lie Theory
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George A. Anastassiou, Heinz H. Gonska (1995)
Annales Polonici Mathematici
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In recent papers the authors studied global smoothness preservation by certain univariate and multivariate linear operators over compact domains. Here the domain is ℝ. A very general positive linear integral type operator is introduced through a convolution-like iteration of another general positive linear operator with a scaling type function. For it sufficient conditions are given for shift invariance, preservation of global smoothness, convergence to the unit with rates, shape preserving...
Cano, Alfredo, Hernández-Linares, Sergio, Hernández-Martínez, Eric (2010)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Ibragimov, R.N. (2001)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Akio Hattori (1998)
Banach Center Publications
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Garetto, Claudia (2009)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Alziary, Bénédicte, Takáč, Peter (2007)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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El Haial, Abdelillah, Labbas, Rabah (2001)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Messirdi, Bekkai, Senoussaoui, Abderrahmane (2006)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Kozlov, Vladimir (2006)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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