
AbstractWe prove a strong variant of the Borwein-Preiss variational principle, and show that on Asplund spaces, Stegall's variational principle follows from it via a generalized Smulyan test. Applications are discussed.
variational principle, Methods involving semicontinuity and convergence; relaxation, Nonsmooth analysis, strong minimizer, Optimality conditions for problems in abstract spaces, Asplund space, approximate subdifferential
variational principle, Methods involving semicontinuity and convergence; relaxation, Nonsmooth analysis, strong minimizer, Optimality conditions for problems in abstract spaces, Asplund space, approximate subdifferential
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