What do the integers have in common with the symmetries of a triangle? In the 19th century, mathematicians invented groups as an answer to this question. Mathematics started with numbers — clear, ...

MINSK, May 22. /TASS/. The Contact Group on settlement of situation in south-eastern Ukraine will hold talks on the first round of negotiations of working subgroups on Friday in Minsk. The decision to ...

Proceedings of the American Mathematical Society, Vol. 55, No. 2 (Mar., 1976), pp. 424-426 (3 pages) We are concerned with torsion subgroups of Lie groups. We extend the classical result of C. Jordan ...

MOSCOW, May 22. /TASS/. Subgroups of the Contact Group for settling the armed conflict in eastern Ukraine will have the next round of talks on June 2, Heidi Tagliavini, the plenipotentiary ...