نتایج جستجو برای: cauchy riemann integral

تعداد نتایج: 134409  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده علوم پایه 1392

‎in this article‎, ‎we have focused one some basic and productive information about the properties of spectrum and singular values related to compact operators which are ideals in a c*-algebra of bounded operators‎. ‎considering a two-sided connection between the family of symmetric gauge functions on sequence of singular values of compact operators and symmetric norms on finite dimensional ope...

Journal: :Journal of Applied Mathematics and Physics 2023

In this paper, we study Riemann boundary value problems on the Curve of Parabola. We characterized functions which are intergrable also asymptotic behaviors Cauchy-type integral and Cauchy principal Parabola at infinity. At end, discuss for sectionally holomorphic with as their jump curve obtain explicit form.

In the present work the space  $L_{p;r} $ which is continuously embedded into $L_{p} $  is introduced. The corresponding Hardy spaces of analytic functions are defined as well. Some properties of the functions from these spaces are studied. The analogs of some results in the classical theory of Hardy spaces are proved for the new spaces. It is shown that the Cauchy singular integral operator is...

Journal: :bulletin of the iranian mathematical society 0
s. ‎ahdiaghdam faculty of mathematical sciences‎, ‎university of tabriz‎, ‎tabriz‎, ‎iran. k. ‎ivaz faculty of mathematical sciences‎, ‎university of tabriz‎, ‎tabriz‎, ‎iran. s. ‎shahmorad faculty of mathematical sciences‎, ‎university of tabriz‎, ‎tabriz‎, ‎iran.

‎we study dual integral equations which appear in formulation of the‎ ‎potential distribution of an electrified plate with mixed boundary‎ ‎conditions‎. ‎these equations will be converted to a system of‎ ‎singular integral equations with cauchy type kernels‎. ‎using‎ ‎chebyshev polynomials‎, ‎we propose a method to approximate the‎ ‎solution of cauchy type singular integral equation which will ...

Journal: :Journal of Research of the National Bureau of Standards 1951

2014
YA-NING LI HONG-RUI SUN

As an extension of the fact that a sectorial operator can determine an analytic semigroup, we first show that a sectorial operator can determine a real analytic α-order fractional resolvent which is defined in terms of MittagLeffler function and the curve integral. Then we give some properties of real analytic α-order fractional resolvent. Finally, based on these properties, we discuss the regu...

Journal: :Journal of the Australian Mathematical Society 1972

2008

Although the study of the history of mathematics has an intrinsic appeal of its own, its chief raison d'&tre is surely the illumination of mathematics itself. For example the gradual unfolding of the integral concept from the volume computations of Archimedes to the intuitive integrals of Newton and Leibniz and finally to the definitions of Cauchy, Riemann and Lebesguecannot fail to promote a m...

2010
A. V. BOBYLEV

Abstract. It is shown that a broad class of generalized Dirichlet series (including the polylogarithm, related to the Riemann zeta-function) can be presented as a class of solutions of the Fourier transformed spatially homogeneous linear Boltzmann equation with a special Maxwell-type collision kernel. The result is based on an explicit integral representation of solutions to the Cauchy problem ...

2017
Pingrun Li

In this article, we study some classes of singular integral equations of convolution type with Cauchy kernels in the class of exponentially increasing functions. Such equations are transformed into Riemann boundary value problems on either a straight line or two parallel straight lines by Fourier transformation. We propose one method different from the classical one for the study of such proble...

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