Abstract:
The review covers such sections of the theory of approximation of abstract differential equations as the approximation of attractors in the case of hyperbolic stationary points, the shadowing and, finally, the approximation of fractional in time semilinear problems.
Keywords:
abstract parabolic equations, general approximation scheme, compact convergence of resolvents, attractor, unstable manifold, stable manifold, upper and lower semicontinuity of attractors, affinity principle, principle of compact approximation, semilinear differential equation, Banach space, periodic solution, Lyapunov stability, hyperbolic equilibrium, semiflow, rotation of a vector field, index of a solution, shadowing, analytic C0-semigroup, semidiscretization, discretization in space, discretization in time, fractional equation, fractional power of an operator, condensing operator.
This work was supported by the Russian Foundation for Basic Research (project Nos. 20-11-50004 and 21-51-46001) and the Russian Science Foundation (project No. 20-11-20085, for Sec. 5).
Citation:
S. I. Piskarev, A. V. Ovchinnikov, “Attractors, shadowing, and approximation of abstract semilinear differential equations”, Functional Analysis, Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 189, VINITI, Moscow, 2021, 3–130