We consider a rate independent evolution quasivariational inequality in a Hilbert space X with closed convex constraints having nonempty interior. We prove that there exists a unique solution which is Lipschitz dependent on the data, if the dependence of the Minkowski functional on the solution is Lipschitzian with a small constant and if also the gradient of the square of the Minkowski functional is Lipschitz continuous with respect to all variables. We exhibit an example of nonuniqueness if the assumption of Lipschitz continuity is violated by an arbitrarily small degree.

Contact details are reproduced from the original publication and may be historical.

Martin Brokate

Zentrum Mathematik, Technische Universität München, 85747 Garching, Germany

brokate@ma.tum.de

Pavel Krejčí

Mathematical Institute, Academy of Sciences of the Czech Republic, Žitná 25,
11567 Praha 1, Czech Republic

krejci@math.cas.cz

Hans Schnabel

Zentrum Mathematik, Technische Universität München, 85747 Garching, Germany

schnabel@ma.tum.de
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M. Brokate, P. Krejčí, H. Schnabel. “On Uniqueness in Evolution Quasivariational Inequalities.” Journal of Convex Analysis 11 (2004), No. 1, 111–130. https://doi.org/10.68381/jca11008