Semi-convergence of the generalized local HSS method for singular saddle point problems

• Shu-Xin Miao ^[1] ; Yang Cao ^[2]
  1. [1] Northwest Normal University

     Northwest Normal University

     China

     
  2. [2] Nantong University

     Nantong University

     China

     
• Localización: Revista de la Unión Matemática Argentina, ISSN 0041-6932, ISSN-e 1669-9637, Vol. 55, Nº. 2, 2014, págs. 71-80
• Idioma: inglés
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• Resumen

  • Recently, Zhu [Appl. Math. Comput., 218 (2012), 8816-8824] considered the generalized local HSS (GLHSS) method for solving nonsingular saddle point problems and studied its convergence. In this paper, we prove the semi-convergence of the GLHSS method when it is applied to solve the singular saddle point problems.