Background
Andrei Aleksandrovich Gonchar was born on November 21, 1931.
mathematician RAS Vice-President
Andrei Aleksandrovich Gonchar was born on November 21, 1931.
A Soviet and Russian mathematician, Doctor of Physical and Mathematical Sciences (1964). Academic Secretary of the Department of Mathematics (1963-1965). Corresponding Member in the Department of Mathematics of the Academy of Sciences of the USSR (1974), member of the Bureau of the Department (1976-2012), Academician of the Russian Academy of Sciences in Mathematics Division (1987), Vice-President of the Russian Academy of Sciences (1991-1998). Advisor to the Presidium of the Russian Academy of Sciences (1998). Specialist in the field of the theory of functions and approximation theory. A student of S. N. Mergelyan.
On the speed of rational approximation of some analytic functions
(1978)
An inverse theorem in the theory of best approximation
(1960)
Inverse theorems on best approximations by rational functions
(1963)
Speed of approximation by rational fractions and properties of functions
(1968)
Theory of approximations of functions of a complex variable
(1970)
Poles of diagonal Padé approximants and the analytic continuation of function
(1981)
On estimates of the norm of the holomorphic component of a meromorphic function
(1976)
Equilibrium distributions and degree of rational approximation of analytic functions
(A. A. Gonchar, E. A. Rakhmanov, 1987)