
AMS Sectional Meeting Program by Special Session
Current as of Tuesday, April 12, 2005 15:08:51
Program 
Deadlines 
Inquiries: meet@ams.org
1991 Eastern Section Meeting
Philadelphia, PA, October 1213, 1991
Meeting #868
Associate secretaries: W Wistar Comfort, AMS wcomfort@wesleyan.edu
Special Session on Rings and Representations

Saturday October 12, 1991, 8:00 a.m.9:50 a.m.
Special Session on Rings and Representations, I

8:00 a.m.
The Jacobi identity for vertex operators and the representations of the twisted parafermion algebra.
Cristiano Husu*, University of Connecticut, Stamford
(86817139)

8:30 a.m.
pstructure of the Moonshine modules.
Chongying Dong*, University of California, Santa Cruz
Geoffrey Mason, University of California, Santa Cruz
(8681754)

9:00 a.m.
Vertex operator algebras, modules and intertwining operators.
Alex J. Feingold*, State University of New York, Binghamton
John F. X. Ries, Ithaca College
(8681763)

9:30 a.m.
Isomorphic vertex operator algebras induced by global conformal transformations on annuli.
YiZhi Huang*, University of Pennsylvania
(8688150)

Saturday October 12, 1991, 1:45 p.m.3:35 p.m.
Special Session on Rings and Representations, II

1:45 p.m.
Lie bialgebra structures for the Witt algebra, the Virasoro algebra, Vect (S^1), and their dual Lie coalgebras.
Walter J. Michaelis*, University of New Orleans
(86817165)

2:15 p.m.
Witt and Virasoro algebras as Lie bialgebras.
Earl J. Taft*, Rutgers University, New Brunswick and Mathematical Sciences Research Institute, Berkeley
(8681719)

2:45 p.m.
Degree lowering algorithm and applications to the Weyl algebra.
C. A. Dean*, University of Michigan, Ann Arbor
J. W. Kerr, Michigan State University
(86816187)

3:15 p.m.
On fully invariant ideals of the free group algebra and the free associative algebra.
Samuel M. Vovsi*, Rutgers University, New Brunswick
(86816140)

Sunday October 13, 1991, 8:00 a.m.9:50 a.m.
Special Session on Rings and Representations, III

8:00 a.m.
Quotients of crossed products of Hopf algebras.
J. Bergen, DePaul University
M. Susan Montgomery*, University of Southern California
(86816154)

8:30 a.m.
Delta methods in enveloping rings. II.
Jeffrey Bergen*, DePaul University
D. S. Passman, University of Wisconsin, Madison
(8681627)

9:00 a.m.
Cocommutative Hopf algebra actions and the Connes spectrum.
James Osterburg, University of Cincinnati
Declan Quinn*, Syracuse University
(86816155)

9:30 a.m.
Artinian rings with linearly ordered twosided ideals.
Barbara L. Osofsky*, Rutgers University, New Brunswick
Richard D. Resco, University of Oklahoma
(8681694)
Inquiries: meet@ams.org

