Abstract
The problem of generalized equation 0 ∈ T(z), for maximal monotone operator \(T: {\mathscr{H}} \rightrightarrows {\mathscr{H}}\), covers many important optimization problems. The solution trajectory uλ(t) of the classical Yosida-regularization based differential equation system together with numerical approximation trajectories \({u}_{\lambda }^{\alpha }(t)\), for finding solutions to the generalized equation, is investigated in this paper. The uniform convergence of the approximate trajectories \({u}_{\lambda }^{\alpha }(t) \rightarrow u_{\lambda }(t)\) on interval \([0,+\infty )\) is proved, as α tends to 0. Importantly, it is proved that the solution trajectory uλ(t) has the exponential convergence rate under the upper Lipschitz continuity of T− 1 at the origin. Moreover, the proposed differential equation approach is applied to the Karush-Kuhn-Tucker system for a smooth convex optimization problem. A numerical algorithm for getting an approximate solution trajectories of Yosida-regularization based differential equation of nonlinear programming is presented and an illustrative example is implemented by the numerical algorithm to verify the theory developed.
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Funding
This work is supported by the National Natural Science Foundation of China under Project No. 11971089 and No. 11731013 and partially supported by Dalian High-level Talent Innovation Project No. 2020RD09.
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Wei, Q., Zhang, L. Yosida-regularization based differential equation approach to generalized equations with applications to nonlinear convex programming. Numer Algor 91, 557–581 (2022). https://doi.org/10.1007/s11075-022-01273-3
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DOI: https://doi.org/10.1007/s11075-022-01273-3
Keywords
- Generalized equation
- Maximal monotone operator
- Yosida-regularization
- Differential equation approach
- Convex programming