Speciality:
01.01.07 (Computing mathematics)
Birth date:
17.11.1942
Website: https://emi.nw.ru/resume/astrachan.htm Keywords: iterative solution of large sparse linear systems and eigenproblems, numerical solution of partial equations, Finite element methods, multigrid methods, iterating substructuring methods, mathematical modelling, ecological modelling.
UDC: 519.6, 519.61, 519.634 MSC: 74S05, 81T80, 82B80
Subject:
Iterative solution of large sparse linear systems and eigenproblems.
Numerical solution of partial equations.
Finite element methods.
Multigrid methods, iterating substructuring methods.
Mathematical modelling, ecological modelling.
Main publications:
Astrakhantsev G. P., “Raznostnye analogi potentsialov, metody fiktivnykh komponent i dekompozitsii”, Vestnik S.-Peterb. un-ta, 1:1 (1996), 3–8
Astrakhantsev G. P., “Ob odnom iteratsionnom metode resheniya setochnykh ellipticheskikh zadach”, ZhVM i MF, 11:2 (1971), 439–448
Astrakhantsev G. P., “Metod fiktivnykh oblastei dlya ellipticheskikh uravnenii vtorogo poryadka s estestvennymi granichnymi usloviyami”, ZhVM i MF, 18:1 (1978), 118–125
Astrakhantsev G. P., “Dvumernye kraevye zadachi s lokalnymi osobennostyami”, Ekonomiko-matematicheskie issledovaniya: matematicheskie modeli i informatsionnye tekhnologii. VI, Sbornik trudov Sankt-Peterburgskogo ekonomiko-matematicheskogo instituta RAN, Nestor-Istoriya, SPb, 2007, 265–279