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Solitary wave and other solutions for nonlinear heat equations

Anatoly Nikitin, Tetyana Barannyk (2004)

Open Mathematics

A number of explicit solutions for the heat equation with a polynomial non-linearity and for the Fisher equation is presented. An extended class of non-linear heat equations admitting solitary wave solutions is described. The generalization of the Fisher equation is proposed whose solutions propagate with arbitrary ad hoc fixed velocity.

Some Fractional Extensions of the Temperature Field Problem in Oil Strata

Boyadjiev, Lyubomir (2007)

Fractional Calculus and Applied Analysis

This survey is devoted to some fractional extensions of the incomplete lumped formulation, the lumped formulation and the formulation of Lauwerier of the temperature field problem in oil strata. The method of integral transforms is used to solve the corresponding boundary value problems for the fractional heat equation. By using Caputo’s differintegration operator and the Laplace transform, new integral forms of the solutions are obtained. In each of the different cases the integrands are expressed...

Some solutions for a class of singular equations

Abdullah Altin, Ayşegül Erençin (2004)

Czechoslovak Mathematical Journal

In this paper we obtain all solutions which depend only on r for a class of partial differential equations of higher order with singular coefficients.

Some sums of Legendre and Jacobi polynomials

Jan Gustavsson (2001)

Mathematica Bohemica

We prove identities involving sums of Legendre and Jacobi polynomials. The identities are related to Green’s functions for powers of the invariant Laplacian and to the Minakshisundaram-Pleijel zeta function.

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