Demonstratio Mathematica (Dec 2021)

L∞-error estimates of a finite element method for Hamilton-Jacobi-Bellman equations with nonlinear source terms with mixed boundary condition

  • Miloudi Madjda,
  • Saadi Samira,
  • Haiour Mohamed

DOI
https://doi.org/10.1515/dema-2021-0043
Journal volume & issue
Vol. 54, no. 1
pp. 452 – 461

Abstract

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In this paper, we introduce a new method to analyze the convergence of the standard finite element method for Hamilton-Jacobi-Bellman equation with noncoercive operators with nonlinear source terms with the mixed boundary conditions. The method consists of combining Bensoussan-Lions algorithm with the characterization of the solution, in both the continuous and discrete contexts, as fixed point of contraction. Optimal error estimates are then derived, first between the continuous algorithm and its finite element counterpart and then between the continuous solution and the approximate solution.

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