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- Consejo Nacional de Investigaciones Científicas y TécnicasAR24 papers
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29 papers · 1 filter
Regularization operators for identifying the unknown source in the time-fractional convection-diffusion-reaction equation
Guillermo Federico Umbricht, Diana Rubio
This article presents a mathematical study of the problem of identifying a time-dependent source term in transport processes described by a timefractional parabolic equation, based…
Moving boundary problems for a novel extended mKdV equation. Application of Ermakov-Painlevé II symmetry reduction
Colin Rogers, Adriana C. Briozzo
A novel extension of the canonical solitonic mKdV equation is introduced which admits hybrid Ermakov-Painlevé II symmetry reduction. Application of the latter is made to obtain exa…
Moving boundary problems with Ermakov symmetry reduction: nonlinear superposition principle and reciprocal transformation applications
Colin Rogers, Adriana C. Briozzo
Moving boundary problems of Stefan-type for a novel third order nonlinear evolution equation with temporal modulation are here shown to be amenable to exact Airy-type solution via…
Regularization Techniques for Estimating the Source in a Complete Parabolic Equation in
Guillermo Federico Umbricht, Diana Rubio
In this article, the problem of identifying the source term in transport processes given by a complete parabolic equation is studied mathematically from noisy measurements taken at…
Mathematical model of thermal phenomena of closure electrical contact with Joule heat source and nonlinear thermal coefficients
Julieta Bollati, Adriana C. Briozzo, Stanislav N. Kharin +1
The mathematical model describing the dynamics of closed contact heating which involves vaporization of the metal when instantaneous explosion of micro-asperity occurs is presented…
A class of elliptic mixed boundary value problems with -Laplacian: existence, comparison and optimal control
Shengda Zeng, Stanislaw Migorski, Domingo A. Tarzia +2
The paper deals with two nonlinear elliptic equations with -Laplacian and the Dirichlet-Neumann-Dirichlet (DND) boundary conditions, and Dirich\-let-Neu\-mann-Neumann (DNN)…