نتایج جستجو برای: generalized functions theory

تعداد نتایج: 1347677  

R Kumar, R. Kumar

The present article deals with the study of propagation of plane waves in isotropic generalized thermoelastic diffusion with voids under initial stress. It is found that, for two dimensional model of isotropic generalized thermoelastic diffusion with voids under initial stress, there exists four coupled waves namely, P wave, Mass Diffusion (MD) wave, thermal (T) wave and Volume Fraction (VF) wa...

Journal: :international journal of mathematical modelling and computations 0
s. el ouadih department of mathematics, faculty of sciences a¨ın chock,university hassan ii, casablanca, morocco; r. daher department of mathematics, faculty of sciences a¨ın chock,university hassan ii, casablanca, morocco m. el hamma department of mathematics, faculty of sciences a¨ın chock,university hassan ii, casablanca, morocco.

in this paper, using a generalized translation operator, we prove theestimates for the generalized fourier-bessel transform in the space l2 on certainclasses of functions.

2014
H. M. Srivastava

Abstract: Motivated largely by a number of recent investigations, we introduce and investigate the various properties of a certain new family of the λ -generalized Hurwitz-Lerch zeta functions. We derive many potentially useful results involving these λ -generalized Hurwitz-Lerch zeta functions including (for example) their partial differential equations, new series and Mellin-Barnes type conto...

1993
H. J. Haubold A. M. Mathai

This article gives an brief outline of the applications of generalized special functions such as generalized hypergeometric functions, G-functions and H-functions into the general area of nuclear energy generation and reaction rate theory such as the energy generation in a simple stellar model and nuclear reaction rates in non-resonant and resonant as well as screened non-resonant situations.

2000
Martin Grothaus

We dedicate this work to the memory of a great mathematician-Abstract The concepts of regular generalized functions in Gaussian analysis are presented. Spaces of regular generalized functions are characterized and equipped with an innnite dimensional calculus. Finally, these concepts are applied in the theory of stochastic (partial) diier-ential equations of Wick type and a generalized Clark-Oc...

2008
F. V. Tkachov

SOM E HI S T OR Y . Singular generalized functions had been emerging in various applications (recall Dirac’s δ -function). Sobolev [1] found a systematic way to define such generalized functions as linear functionals on suitably chosen spaces of test functions. The most universally useful variant of the theory was suggested by Schwartz [2] (the so-called distributions; I will use the term inter...

2008
M. Oberguggenberger

We present an extension of the methods of classical Lie group analysis of differential equations to equations involving generalized functions (in particular: distributions). A suitable framework for such a generalization is provided by Colombeau’s theory of algebras of generalized functions. We show that under some mild conditions on the differential equations, symmetries of classical solutions...

1998
M. Oberguggenberger

We present an extension of the methods of classical Lie group analysis of diierential equations to equations involving generalized functions (in particular: distributions). A suitable framework for such a generalization is provided by Colombeau's theory of algebras of generalized functions. We show that under some mild conditions on the diierential equations, symmetries of classical solutions r...

Journal: :SIAM J. Math. Analysis 2000
Michael Kunzinger Michael Oberguggenberger

We present an extension of the methods of classical Lie group analysis of differential equations to equations involving generalized functions (in particular: distributions). A suitable framework for such a generalization is provided by Colombeau’s theory of algebras of generalized functions. We show that under some mild conditions on the differential equations, symmetries of classical solutions...

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