In memory of Vadim Malyshev

#### A.A. Lykov, Editorial board of the journal Markov Processes And Related Fields, A.Yu. Veretennikov, A.A. Zamyatin

2022, v.28, Issue 5, 655-657

ABSTRACT

With a deep sorrow we inform that Vadim Aleksandrovich Malyshev,

Professor, an outstanding

Russian mathematician, the founder of the journal "Markov Processes and Related Fields'' passed away

on September 30, 2022, on his 85th year.

V.A. Malyshev was born on 13th of April, 1938 in Moscow. He was graduated from the Faculty of Mechanics

and Mathematics at Moscow State University in 1961, and completed his PhD studies at the same Department.

V.A. Malyshev was awarded a PhD degree in 1966 for the Thesis "Statistical

theory of experiments with automata''. In 1973 he received a DrSci degree for the Thesis

"Boundary problems for functions of two complex variables and their applications''.

V.A. Malyshev became a Laureate of the State premium of the Russian Federation in 1991.

Starting in 1967 V.A. Malyshev worked all his life at the Probability Department of Moscow State University, where in 1992 he became a Professor in Mathematics.

V.A. Malyshev founded the Laboratory for Large Random Systems within the Department of Mechanics and Mathematics, MSU, in 1991, and

remained to be the Head of this laboratory.

V.A. Malyshev was a passionate teacher of mathematics.

He developed and taught himself many courses, such as "Mathematics and Physics'',

"Many-component systems and mathematical physics'', "Introduction to mathematical models'',

"Introduction to modern probability models''. For many years he was a co-organiser

famous `Big Seminar' (Bol'shoy seminar) in Statistical Physics at the Mechanics and Mathematics

Faculty of MSU, an active participant of the celebrated Dobrushin's

seminar at the Institute for Information Transmission Problems (IITP).

He served as an editor of the journal "Problems of Information Transmission''.

In 1995 Vadim Aleksandrovich Malyshev founded on his own (independently, without any external funding) journal "Markov Processes and Related Fields'',

and he remained to be the Editor-in-Chief of this journal till his last day.

Vadim Aleksandrovich Malyshev played a significant role in the world-wide scientific collaboration of

MSU with other leading mathematical centres.

For more than ten years, beginning in 90-es, V.A. Malyshev had been working in INRIA, Paris, the leading French institution for applied mathematics. This led also to a creation of Russian-French scientific centre at MSU.

V.A. Malyshev actively participated and organised himself many International

mathematical conferences.

Vadim Aleksandrovich Malyshev had created an International mathematical School

with many disciples. His former students are working nowadays in many universities all over the

world, keeping strong scientific contacts with MSU and continuing well-established traditions of Soviet and

Russian mathematics.

V.A. Malyshev's scientific interests were very wide. He always considered

mathematics as a whole entity. His results are well-known in various areas of

mathematics: mathematical physics, probability, algebra, analysis. Here are some of the achievements for which V.A. Malyshev was internationally renowned:

Analytical theory for two-dimensional Wiener Hopf

equations ( see also comments in Russian at

http://iitp.ru/ru/news/2801.htm;

New methods in the theory of random walks

in multi-dimensional cones based on the Lyapunov functions and the hydrodynamical approach;

Random and quantum grammars, random dynamical graphs;

Cluster expansions

for spectral problems in dynamical systems of infinitely many particles.

For the latter work in mathematical physics V.A. Malyshev jointly with his co-author, R.A. Minlos were awarded the State Prize of the Russian Federation.

More details about the contributions of V.A. Malyshev may be found at https://istina.msu.ru/profile/MalyshevVA/, and more on his own views and philosophy at his personal page

http://mech.math.msu.su/~malyshev/ (in Russian).

Vadim Aleksandrovich Malyshev always had a broad view on life in a full spectrum, and he

generously shared his ideas and personal views with his colleagues and

friends. He published a book on his own philosophical system ``Chains of

qualitative complexity'' (1997) (in Russian). V.A. Malyshev created a great number of different mathematical models to investigate different phenomena in nature, in physical and biological systems.

He willingly attracted students, colleagues to solving new problems, igniting them with new projects, and helping them writing mathematical papers.

The width of his interests outside mathematics and their depth were incredible.

He loved music and played piano excellently, and he gathered a large library of classical sheet

music.

Vadim Aleksandrovich Malyshev was clearly distinguished by his integrity, active citizenship, and care

for people around him. During all his life he professed humanity in his attitude towards

people. With his death the world has lost a great Man and Scientist.

A blessed memory of the outstanding mathematician and teacher will remain forever in the hearts

and minds of his colleagues and disciples.

Keywords: Vadim Malyshev

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