The Last two Talks of this semester
April 22 Wolfgang N.Herfort,
(Technical University, Vienna)
April 22 Louise-Charlotte Kappe
(SUNY at Binghamton)
--------------------------------------------------------------------------
Applied Algebra Seminar
York University
Ross Building, North tower: N638R
Wednesday April 22, 1998
3:00 PM
Friday April 24, 1998
12:00 PM ******* Note the time change here ********
--------------------------------------------------------------------------
Wed. 22 Apr. 1998, 3:00 PM
Wolfgang N.Herfort,
(Technical University, Vienna)
Compact Periodic Groups
Compact torsion groups have been studied in the context of harmonic
analysis, but, being profinite groups, their study leads to questions
connected to the restricted Burnside Problem. During the last ten years
enormous progress has been made (E.Zelmanov, Y.Medvedev). In my
talk I shall present some of the earlier results due to J.Mc.Mullen,
Herfort, J.Wilson and try comment on it.
--------------------------------------------------------------------------
Friday 24 Apr. 1998, 12:00 ******* Note the time change here ********
Louise-Charlotte Kappe
(SUNY at Binghamton)
Supplementation in Groups
A subgroup H of a group G is supplemented in G if there is a subgroup K
of G such that G = HK. We investigate groups in which all subgroups, all
normal subgroups, or all characteristic subgroups have a proper supplement.
This supplement can be either an arbitrary subgroup, a normal or a
characteristic subgroup, resulting in nine classes of groups. Properties of
these classes are studied such as containment and closure properties, and
characterizations for several of these classes are given.
--------------------------------------------------------------------------
Have a good summer AND GO TO FPSAC (See FPSAC web page) June 15-19.
Nantel Bergeron bergeron@mathstat.yorku.ca
Associate Prof. Mathematics nantel@math.harvard.edu
York University nantel@lacim.uqam.ca
http://www.math.yorku.ca/bergeron