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Approximation of Saddle Point Problems
1991This chapter is in a sense the kernel of the book. It sets a general framework in which mixed and hybrid finite element methods can be studied. Even if some applications will require variations of the general results, these could not be understood without the basic notions introduced here. Our first concern will be existence and uniqueness of solutions.
Daniele Boffi +2 more
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2007
In this chapter we present a second important illustration of the minimax method, the saddle-point theorem of Rabinowitz [64]. Since its proof uses the topological degree of Brouwer, we reserve this section for a brief presentation of this important topological tool and its main properties. The interested reader can see the details in [57].
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In this chapter we present a second important illustration of the minimax method, the saddle-point theorem of Rabinowitz [64]. Since its proof uses the topological degree of Brouwer, we reserve this section for a brief presentation of this important topological tool and its main properties. The interested reader can see the details in [57].
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Note on ε-saddle point and saddle point theorems
Acta Mathematica Hungarica, 1994Xian-Zhi Yuan, Jian Yu, Kok-Keong Tan
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Accelerated Methods for Saddle-Point Problem
Computational Mathematics and Mathematical Physics, 2020M. Alkousa +4 more
semanticscholar +1 more source
Variable parameter Uzawa method for solving a class of block three-by-three saddle point problems
Numerical Algorithms, 2020Na Huang
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A Chiral Polycyclic Aromatic Hydrocarbon Monkey Saddle
Angewandte Chemie - International Edition, 2020Batchu Venkateswara Rao +1 more
exaly
Spectral analysis of the preconditioned system for the 3 × 3 block saddle point problem
Numerical Algorithms, 2018Na Huang, Changfeng Ma
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