Nonlinear Parabolic Operators with Perturbed Coefficients

Authors

  • Lutz Recke Institut für Mathematics, Humboldt universitat zu Berlin, Berlin 10099
  • Lubomira Softova Department of Mathematics, University of Salerno, Fisciano 84084 (SA)

DOI:

https://doi.org/10.26713/cma.v9i3.790

Keywords:

Nonlinear parabolic equations, Cauchy-Dirichlet problem, VMO, Implicit Function Theorem, Newton Iteration Procedure

Abstract

We consider the Cauchy-Dirichlet problem for second order quasilinear non-divergence form parabolic equations  with discontinuous data in a bounded cylinder \(Q\). Supposing  existence of strong solution \(u_0\) and applying the Implicit Function Theorem we show that for any  small \(L^\infty\)-perturbation of the coefficients there exists, locally in time, exactly one solution \(u\) close to $u_0$ with respect to the norm in \(W^{2,1}_p(Q)\) which depends smoothly on the data. For that, no structure and growth conditions on the data are needed. Moreover, applying the  Newton Iteration Procedure we obtain an approximating sequence for the solution \(u_0\).

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Published

25-09-2018
CITATION

How to Cite

Recke, L., & Softova, L. (2018). Nonlinear Parabolic Operators with Perturbed Coefficients. Communications in Mathematics and Applications, 9(3), 277–292. https://doi.org/10.26713/cma.v9i3.790

Issue

Vol. 9 No. 3 (2018)

Section

Research Article

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