SUBJECT

Title

Nonlinear functional analysis and its applications

Type of instruction

lecture + practical

Level

master

Part of degree program
Credits

4+3

Recommended in

Semesters 1-4

Typically offered in

Autumn/Spring semester

Course description

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.

Readings

Zeidler, E.:  Nonlinear functional analysis and its applications I-III.   Kantorovich, L.V., Akilov, G.P.:  Functional Analysis