TJCSTM 2021 №3

File:

tvim_2021_3.pdf

Стр. 7 ... Dekhkonov F. N.

Differential equation associated with involutions

Стр. 14 ... Tashpulatov S. M., Parmanova R. T.

Structure of essential spectra and discrete spectrum of the energy operator of four-electron systems in the impurity Hubbard model. Quintet state. One-dimensional case

Стр. 35 ...

About the modern tools and methods of scientific research conducting in the field of the history of mathematics.

Стр. 58 ...

On the connection of periodic homeomorphisms of a surface with Seifert manifolds and the Morse-Smale diffeomorphism.

Стр. 72 ...

On a basic invariants of the symmetry group of polyhedron.

Стр. 79 ...

The history of the development of the theory of elliptic functions in the works of Abel, Jacobi, Weierstrass, Somov.