VARIATIONAL PARABOLIC PROBLEMS IN MUSIELAK SPACES

  • Youssef AHMIDA ,
  • Ahmed YOUSSFI
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  • 1. Chouaïb Doukkali University, Higher School of Education and Training, Sciences and Technologies Team (ESTE), Road Azzemour, El Jadida, Morocco;
    2. Sidi Mohamed Ben Abdellah University, National School of Applied Sciences, Laboratory of Applied Sciences and Innovative Technologies, My Abdellah Avenue, Road Imouzer, P.O. Box 72 Fès-Principale, 30 000, Fez, Morocco
Youssef Ahmida, E-mail: youssef.ahmida@gmail.com

Received date: 2024-04-23

  Revised date: 2025-03-21

  Online published: 2025-10-14

Abstract

We consider nonlinear parabolic problems in a variational framework. The leading part is a monotone operator whose growth is controlled by time- and space-dependent Musielak functions. On Musielak's controlling functions we impose regularity conditions which make it possible to extend certain classical results such as the density of smooth functions, a Poincaré-type inequality, an integration-by-parts formula and a trace result. Bringing together these results, we adapt the classical theory of monotone operators and prove the well-posedness of the variational problem.

Cite this article

Youssef AHMIDA , Ahmed YOUSSFI . VARIATIONAL PARABOLIC PROBLEMS IN MUSIELAK SPACES[J]. Acta mathematica scientia, Series B, 2025 , 45(5) : 2060 -2087 . DOI: 10.1007/s10473-025-0514-y

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