Abstract
The “heavy ball with friction” dynamical system
is a non-linear oscillator with damping (γ > 0). In [2], Alvarez proved that when H is a real Hilbert space and Ф : H → ℝ is a smooth convex function whose minimal value is achieved, then each trajectory t → u (t) of this system weakly converges towards a minimizer of Ф. We prove a similar result in the convex constrained case by considering the corresponding gradient-projection dynamical system
, where C is a closed convex subset of H. This result holds when H is a possibly infinite dimensional space, and extends, by using different technics, previous results by Antipin [1].
Partially supported by Comisión Nacional de Investigación Científica y Tecnológica de Chile under Fondecyt grant 1990884
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References
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Attouch, H., Alvarez, F. (2000). The heavy ball with friction dynamical system for convex constrained minimization problems. In: Nguyen, V.H., Strodiot, JJ., Tossings, P. (eds) Optimization. Lecture Notes in Economics and Mathematical Systems, vol 481. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-57014-8_2
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DOI: https://doi.org/10.1007/978-3-642-57014-8_2
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