Mixed formulation of elliptic variational inequalities and its approximation. (English) Zbl 0483.49003


49J40 Variational inequalities
65K10 Numerical optimization and variational techniques
35J20 Variational methods for second-order elliptic equations
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[5] J. Haslinger I. Hlaváček: Approximation of the Signorini problem with friction by the mixed finite element method. to appear in JMAA.
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