Asymptotic behavior of second-order dissipative evolution equations combining potential with non-potential effects
ESAIM: Control, Optimisation and Calculus of Variations, Volume 17 (2011) no. 3, p. 836-857

In the setting of a real Hilbert space , we investigate the asymptotic behavior, as time t goes to infinity, of trajectories of second-order evolution equations            ü(t) + γu ˙(t) + ϕ(u(t)) + A(u(t)) = 0, where ϕ is the gradient operator of a convex differentiable potential function ϕ : , A : is a maximal monotone operator which is assumed to be λ-cocoercive, and γ > 0 is a damping parameter. Potential and non-potential effects are associated respectively to ϕ and A. Under condition λγ2 > 1, it is proved that each trajectory asymptotically weakly converges to a zero of ϕ + A. This condition, which only involves the non-potential operator and the damping parameter, is sharp and consistent with time rescaling. Passing from weak to strong convergence of the trajectories is obtained by introducing an asymptotically vanishing Tikhonov-like regularizing term. As special cases, we recover the asymptotic analysis of the heavy ball with friction dynamic attached to a convex potential, the second-order gradient-projection dynamic, and the second-order dynamic governed by the Yosida approximation of a general maximal monotone operator. The breadth and flexibility of the proposed framework is illustrated through applications in the areas of constrained optimization, dynamical approach to Nash equilibria for noncooperative games, and asymptotic stabilization in the case of a continuum of equilibria.

DOI : https://doi.org/10.1051/cocv/2010024
Classification:  34C35,  34D05,  65C25,  90C25,  90C30
Keywords: second-order evolution equations, asymptotic behavior, dissipative systems, maximal monotone operators, potential and non-potential operators, cocoercive operators, Tikhonov regularization, heavy ball with friction dynamical system, constrained optimization, coupled systems, dynamical games, Nash equilibria
@article{COCV_2011__17_3_836_0,
     author = {Attouch, Hedy and Maing\'e, Paul-\'Emile},
     title = {Asymptotic behavior of second-order dissipative evolution equations combining potential with non-potential effects},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     publisher = {EDP-Sciences},
     volume = {17},
     number = {3},
     year = {2011},
     pages = {836-857},
     doi = {10.1051/cocv/2010024},
     zbl = {1230.34051},
     mrnumber = {2826982},
     language = {en},
     url = {http://www.numdam.org/item/COCV_2011__17_3_836_0}
}
Attouch, Hedy; Maingé, Paul-Émile. Asymptotic behavior of second-order dissipative evolution equations combining potential with non-potential effects. ESAIM: Control, Optimisation and Calculus of Variations, Volume 17 (2011) no. 3, pp. 836-857. doi : 10.1051/cocv/2010024. http://www.numdam.org/item/COCV_2011__17_3_836_0/

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