On Lp - Lp' Estimates for the Wave Equation.
Philip Brenner (1975)
Mathematische Zeitschrift
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Philip Brenner (1975)
Mathematische Zeitschrift
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A. D. Gadjiev, R. O. Efendiyev, E. Ibikli (2003)
Czechoslovak Mathematical Journal
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It is shown that a Korovkin type theorem for a sequence of linear positive operators acting in weighted space does not hold in all this space and is satisfied only on some subspace.
Jouko Tervo (1991)
Mathematica Slovaca
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Stewart, James, Watson, Saleem (1986)
International Journal of Mathematics and Mathematical Sciences
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Shakhmurov, Veli B. (2007)
Abstract and Applied Analysis
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Mustafa A. Akcoglu, P. Ekkehard Kopp (1977)
Mathematische Zeitschrift
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Guliyev, Emin V., Mammadov, Yagub Y. (2010)
Abstract and Applied Analysis
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Mitsuru Sugimoto (1994)
Mathematische Zeitschrift
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Drihem, Douadi, Moussai, Madani (2006)
International Journal of Mathematics and Mathematical Sciences
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Michael Ruzhansky (2003)
Banach Center Publications
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In this paper we will give a brief survey of recent regularity results for Fourier integral operators with complex phases. This will include the case of real phase functions. Applications include hyperbolic partial differential equations as well as non-hyperbolic classes of equations. An application to an oblique derivative problem is also given.
Rainer Wittmann (1988)
Mathematische Zeitschrift
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