کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4596892 1336191 2012 16 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Finite generation properties of cohomology rings for infinite groups
موضوعات مرتبط
مهندسی و علوم پایه ریاضیات اعداد جبر و تئوری
پیش نمایش صفحه اول مقاله
Finite generation properties of cohomology rings for infinite groups
چکیده انگلیسی

Given a group G which is not necessarily finite, and a Noetherian commutative ring R, an important question is when the cohomology ring H∗(G,R) is a Noetherian ring. For finite groups, this is the Venkov–Evens theorem. This theorem is extended to finite dimensional restricted Lie algebras when R is the ground field and to more general finite groups schemes over a field R by Friedlander and Suslin. Recently, van der Kallen and Touzé have shown this for reductive algebraic groups over a field of positive characteristics with rational group cohomology. In this note, we prove a finite generation theorem for a large class of infinite groups which include all arithmetic subgroups of linear algebraic groups, lattices of semisimple Lie groups, mapping class groups of surfaces, outer automorphism groups of free groups, Gromov hyperbolic groups, outer automorphism groups of free groups, and many other natural infinite groups.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Pure and Applied Algebra - Volume 216, Issue 5, May 2012, Pages 1118-1133