SUBJECT
Nonlinear functional analysis and its applications
lecture + practical
master
4+3
Semesters 1-4
Autumn/Spring semester
Basic properties of nonlinear operators. Derivatives, potential operators, monotone operators, duality.
Solvability of operator equations. Variational principle, minimization of functionals.
Fixed point theorems. Applications to nonlinear differential equations.
Approximation methods in Hilbert space. Gradient type and Newton-Kantorovich iterative solution methods. Ritz–Galjorkin type projection methods.
Zeidler, E.: Nonlinear functional analysis and its applications I-III. Kantorovich, L.V., Akilov, G.P.: Functional Analysis