Solution of the Cauchy Problem for Generalized Euler-Poisson-Darboux Equation by the Method of Fractional Integrals

2013 ◽  
pp. 321-337 ◽  
Author(s):  
A. K. Urinov ◽  
S. T. Karimov
Keyword(s):  
Cauchy Problem ◽  
Fractional Integrals ◽  
The Cauchy Problem ◽  
Darboux Equation

scholarly journals Solution of the singular Cauchy problem for a general inhomogeneous Euler–Poisson–Darboux equation

2018 ◽  
Vol 34 (2) ◽  
pp. 255-267
Author(s):  
ELINA SHISHKINA ◽  
Keyword(s):  
Cauchy Problem ◽  
Initial Conditions ◽  
Bessel Operator ◽  
Second Derivative ◽  
Singular Cauchy Problem ◽  
Classical Formulation ◽  
The Cauchy Problem ◽  
Darboux Equation

In this paper, we solve Cauchy problem for a general form of an inhomogeneous Euler–Poisson–Darboux equation, where Bessel operator acts instead of the each second derivative. In the classical formulation, the Cauchy problem for this equation is not correct. However, for a specially selected form of the initial conditions, the equation has a solution. The general form of the Euler–Poisson–Darboux equation with such conditions we will call the singular Cauchy problem.

scholarly journals On Formulation of Modified Problems for the Euler-Darboux Equation with Parameters Equalto 1/2 in Absolute Value

2019 ◽  
Vol 65 (1) ◽  
pp. 11-20
Author(s):  
M V Dolgopolov ◽  
I N Rodionova
Keyword(s):  
Cauchy Problem ◽  
Cauchy Type ◽  
Riemann Method ◽  
Absolute Value ◽  
Classical Formulation ◽  
The Cauchy Problem ◽  
Ill Posed ◽  
Darboux Equation ◽  
Derivatives Of ◽  
Limiting Values

We consider the Euler-Darboux equation with parameters equal to 1/2 in absolute value. Since the Cauchy problem in the classical formulation in ill-posed for such values of parameters, we proposeformulations and solutions of modified Cauchy-type problems with the following values of parameters: a)α = β = 1 , b) α = - 1 , β = - 1 , c) α = β = - 1 . In the case а), the modified Cauchy problem is solved2 2 2 2by the Riemann method. We use the obtained result to formulate the analog of the problem Δ1 in the first quadrant with shifted boundary-value conditions on axes and nonstandard conjunction conditions on thesingularity line of the coefficients of the equation y = x. The first condition is gluing normal derivatives of the solution and the second one contains limiting values of combination of the solution and its normal derivatives. The problem is reduced to a uniquely solvable system of integral equations.

Cauchy Problem for Equations with Fractional Differentiation Bessel Operator in the Space of Temperate Distributions

2003 ◽  
Vol 8 (1) ◽  
pp. 61-75
Author(s):  
V. Litovchenko
Keyword(s):  
Functional Analysis ◽  
Cauchy Problem ◽  
Fundamental Solution ◽  
Initial Function ◽  
Well Posedness ◽  
Fractional Differentiation ◽  
Basic Tool ◽  
Conjugate Space ◽  
Analysis Technique ◽  
The Cauchy Problem

The well-posedness of the Cauchy problem, mentioned in title, is studied. The main result means that the solution of this problem is usual C∞ - function on the space argument, if the initial function is a real functional on the conjugate space to the space, containing the fundamental solution of the corresponding problem. The basic tool for the proof is the functional analysis technique.

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