Search Results - "functions in two variables"

On integral representations and asymptotics of some hypergeometric functions in two variables by Wald, Sascha, Henkel, Malte

“…The leading asymptotic behaviour of the Humbert functions , , of two variables is found, when the absolute values of the two independent variables become…”
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Limits of Sequences of Feebly-Type Continuous Functions by Balcerzak, Marek, Natkaniec, Tomasz, Terepeta, Małgorzata

“…We consider the following families of real-valued functions defined on 𝕉 : feebly continuous functions (FC), very feebly continuous functions (VFC), and…”
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On some estimates for best approximations of bivariate functions by Fourier–Jacobi sums in the mean by Abilov, M. V., Kerimov, M. K., Selimkhanov, E. V.

“…Some problems in computational mathematics and mathematical physics lead to Fourier series expansions of functions (solutions) in terms of special functions,…”
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Absolute convergence of double Walsh–Fourier series and related results by Móricz, Ferenc, Veres, Antal

“…We consider the double Walsh orthonormal system on the unit square , where { w m ( x )} is the ordinary Walsh system on the unit interval in the Paley…”
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On the Lebesgue summability of double trigonometric series by Bagota, Mónika, Móricz, Ferenc

“…We recall that the Lebesgue summability of a single trigonometric series is defined in terms of the symmetric differentiability of the sum of the formally…”
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Expansions of Kampe de Feriet hypergeometric functions by Komilova, N.J., Hasanov, A., Ergashev, T.G.

“…When studying the properties of the hypergeometric functions in two variables, expansion formulas are very important, allowing one to represent a function of…”
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Some properties of generalized (s,k)-Bessel function in two variables by Ali, R. S., Mubeen, S., Nisar, K. S., Araci, S., Rahman, G.

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Extension of a Theorem of Ferenc Lukács from Single to Double Conjugate Series by MORICZ, Ferenc

“…A theorem of Ferenc Lukács states that if a periodic function f is integrable in the Lebesgue sense and has a discontinuity of the first kind at some point x,…”
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Approximation of functions in two variables by some linear positive operators by Mariola Skorupka

“…We introduce some linear positive operators of the Szasz-Mirakjan type in the weighted spaces of continuous functions in two variables. We study the degree of…”
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