4.6 Article

CONVERGENCE OF ADAPTIVE FINITE ELEMENT METHODS FOR EIGENVALUE PROBLEMS

Journal

MATHEMATICAL MODELS & METHODS IN APPLIED SCIENCES
Volume 19, Issue 5, Pages 721-747

Publisher

WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218202509003590

Keywords

Eigenvalue problems; adaptivity; finite elements; convergence

Funding

  1. CONICET (Argentina) [PIP 5478]
  2. Universidad Nacional del Litoral [CAI+D 12/H421]
  3. Universidad Nacional de San Luis [22/F730-FCFMyN]

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In this paper we prove convergence of adaptive finite element methods for second-order elliptic eigenvalue problems. We consider Lagrange finite elements of any degree and prove convergence for simple as well as multiple eigenvalues under a minimal refinement of marked elements, for all reasonable marking strategies, and starting from any initial triangulation.

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