N. A. Vavilov Department of Mathematics and Mechanics, State University of Saint-Petersburg St. Petersburg, Russia nikolai-vavilov@yandex.ru Calculations in exceptional groups Let be a reduced irreducible root system, R be a commutative ring with 1. ... The Steinberg group St(, R). ... 2] R. Hazrat, N. Vavilov, K1 of Cheval ley groups are nilpotent, J. Pure Appl. ... 6] N. Vavilov, An A3 -proof of structure theorems for Cheval ley groups of types E6 and E7 , Int. J. Algebra Comput. 17 (2007), no. ...
... Space activity at the beginning of XXI-st Century view from inside G.M.Chernyavskiy STC for Earth Space monitoring of FSUE , Russia 1. The systemic approach in astronautics Everyone who has linked his life with astronautics and those who are interested in the future of the inhabitancy medium and its expansion up to cosmic scales, are troubled about the current state and development of space activity in the World and in the Native Land of the first artificial Earth satellite (AES). ...
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