Variational Principles in Nonlinear Analysis and Their GeneralizationVariational Principles in Nonlinear Analysis and Their Generalization
On variational formulations for functional differential equationsNecessary and sufficient conditions for the existence of integral
variational principles Variational principles in analysis and existence of minimizers for functions on metric spaces are derived. Generalizations of the Ekeland and Bishop-Phelps
variational principles are obtained and compared
ON CONSTRUCTION OF EULER-TYPE VARIATIONAL PRINCIPLESThe problem of existence of a
variational principle for a differential equation with partial
Existence of a solution and variational principles for vector equilibrium problems, we establish
variational principles, that is, vector optimization formulations of set-valued maps
Variational principles for some differential difference operatorVariational principles for some differential difference operator
On the existence of variational principles for a differential-difference evolution operator for the existence of a
variational principle. We describe the structure of the operators P λ and Q for which
Variational Principles for a Differential Difference Quasilinear Operator relatively to the some bilinear form. Method of construction of
variational factor is suggested.