Selfadjoint operators.

Infinite Groups: Geometric, Combinatorial and Dynamical Aspects by: (Language materials, printed)

Non-self-adjoint schrödinger operator with a periodic potential = spectral theories for scalar and vectorial cases and their generalizations / by: (Language materials, printed)

Analytic methods of spectral representations of non-selfadjoint (non-unitary) operators by: (Language materials, printed)

Algebraic Topology.

Mathematical Methods in Physics.

Infinite groups.

Topological Groups, Lie Groups.

Selfadjoint operators.

Theoretical, Mathematical and Computational Physics.

Combinatorics.

Ergodic theory.

Optics and Photonics.

Operator theory.

Mathematics.

Group Theory and Generalizations.

Differential topology.

Schrödinger operator.

Functional analysis.

Condensed Matter Physics.

Operator Theory.

Quantum Physics.

Differential Geometry.

Functional Analysis.