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Mathematics of Computation
Mathematics of Computation
ISSN 1088-6842(online) ISSN 0025-5718(print)


Critical point approximation through exact regularization

Authors: Enrique Fernández Cara and Carlos Moreno
Journal: Math. Comp. 50 (1988), 139-153
MSC: Primary 65K10; Secondary 65N30
MathSciNet review: 917822
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Abstract: We present several iterative methods for finding the critical points and/or the minima of a functional which is essentially the difference between two convex functions. The underlying idea relies upon partial and exact regularization of the functional, which allows us to preserve the local feature in a large number of applications, as well as to obtain some convergence results. These methods are further applied to some differential problems of the semilinear elliptic type arising in plasma physics and fluid mechanics.

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Additional Information

PII: S 0025-5718(1988)0917822-3
Keywords: Nonconvex optimization, exact regularization, semilinear elliptic problems with discontinuous nonlinearities, plasma confinement, vortex rings
Article copyright: © Copyright 1988 American Mathematical Society

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