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## Anisotropic parabolic problems with slowly or rapidly growing terms

### Tom 134 / 2014

Colloquium Mathematicum 134 (2014), 113-130 MSC: 35K55, 35K20. DOI: 10.4064/cm134-1-5

#### Streszczenie

We consider an abstract parabolic problem in a framework of maximal monotone graphs, possibly multi-valued, with growth conditions formulated with the help of an $x$-dependent $N$-function. The main novelty of the paper consists in the lack of any growth restrictions on the ${ N}$-function combined with its anisotropic character, namely we allow the dependence on all the directions of the gradient, not only on its absolute value. This leads to using the notion of modular convergence and studying in detail the question of density of compactly supported smooth functions with respect to modular convergence.

#### Autorzy

• Agnieszka Świerczewska-GwiazdaInstitute of Applied Mathematics and Mechanics
University of Warsaw
02-097 Warszawa, Poland
e-mail

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