If you see the problem, solve it! You were given a mind to do this!

Graduate from RUDN, Faculty of Physics, Mathematics and Natural Sciences, Department of Theoretical Physics. (Field of study – Physics). Entered the postgraduate course specialized in Methods of Functional Analysis in Physics. Scientific supervisor - Doctor of Physical and Mathematical Sciences, Professor Zhelobenko D. P. At the same time he worked part-time at the Institute of Nuclear Research in the group of Professor Kazarnovsky Y.M. The results of research were used in the design of space suits for space flights.

Head of a group of researchers in the project on adaptive optics for space communications. The developed mathematical model for the calibration of optical surfaces and methods for calibrating large-sized optics were introduced at the Vavilov State Optical Institute.

Defended his thesis on modeling the process of vacuum deposition of integrated optical elements of a complex profile.

Defended his doctoral dissertation «Mathematical model of escaping coating: a computational experiment, using results of full-scale components», specialty 05.13.16 -«application of computers, mathematical modeling and mathematical methods in scientific research».

Professor of the Telecommunication Systems Department, renamed to the Department of Applied Informatics and Probability Theory at RUDN.

Deputy Editor-in-Chief of “RUDN Journal of Mathematics, Information Sciences, Physics", Chairman of Dissertational Council D 212.203.28 at RUDN. For the last 30 years Leonid Sevastianov has been a member of the program committees of a number of international conferences on mathematical modeling and computational physics.

### Teaching

- Numerical methods
- Discrete Mathematics
- Mathematical modeling
- Scientific programming
- Mathematical modeling of optical nanostructures
- Variational methods in mathematical modeling

### Research

Numerous researches are conducted under the direction of L. Sevastianov:

- Mathematical modeling of a wide range of processes and systems ( both natural and artificial )
- Analytical and numerical solutions of a wide spectrum of applied problems in computational physics
- Modeling of optical coatings with subwave (nanometer) characteristic dimensions
- Development of methods for computer diagnostics of hard and soft tissues in the optical range of electromagnetic radiation

The professor has already received 8 Inventor’s certificates. More than 150 of his scientific articles and 5 monographs have been published.

### Research interests

- Waveguide optics problem solving, integrated-optical structures modeling
- Computer modeling of quantum mechanical measurements
- Computer modeling of graphene films physical properties