A smooth version of Johnson's problem on derivations of group algebrasстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 11 ноября 2019 г.
Аннотация:A description of the algebra of external derivations of the group algebra
of finite represented the discrete group in the terms of the Caley complex of
the groupoid of adjoint action of the group. The problem is a smooth
version of the Johnson problem on deivations of the roup algebra. It is
shown that the external derivation algebra is isomorphic to the group of
one-dimensional cohomology with finite supports of the Caley complex
over the ?eld of complex numbers.