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An improved lower bound on a positive stable block triangular preconditioner for saddle point problems.

Cui-Xia LiShi-Liang Wu
Published in: Appl. Math. Lett. (2012)
Keyphrases
  • lower bound
  • saddle point
  • fractional programming
  • upper bound
  • linear systems
  • variational inequalities
  • objective function
  • evolutionary algorithm
  • np hard
  • structured prediction
  • integer program