Joint Mathematics Meetings Program by Special Session
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1998 Joint Mathematics Meetings
Baltimore, MD, January 710, 1998
Meeting #930
Associate secretaries:
Robert J Daverman, AMS daverman@math.utk.edu
Donovan H Van Osdol, MAA dv@christa.unh.edu
AMS Special Session on Representations of Finite Groups

Friday January 9, 1998, 1:00 p.m.5:50 p.m.
AMS Special Session on Representations of Finite Groups, I
Organizers:
Jonathan L. Alperin, University of Chicago alperin@math.uchicago.edu
Jon F. Carlson, University of Georgia jfc@math.uga.edu

1:00 p.m.
The Hochschild cohomology ring of a group algebra, I: multiplicative structures.
Stephen F Siegel*, Univ. of Massachusetts
Sarah J Witherspoon, University of Toronto
(93020420)

1:30 p.m.
The Hochschild cohomology ring of a group algebra, II: connections with the quantum double.
Stephen F. Siegel, University of Massachusetts
Sarah J. Witherspoon*, University of Toronto
(93020416)

2:00 p.m.
Bounds for Linear Groups.
Michael J Collins*, University of Virginia
(93020807)

2:30 p.m.
The stable category of a group of $p$rank two.
Wayne W. Wheeler*, University of Georgia
(93020822)

3:00 p.m.
Lusztig Functors in the Special Linear Group over a Finite Field.
Cedric Bonnafe*, University of Chicago
(93020463)

3:30 p.m.
Lowdimensional representations of special linear groups in cross characteristics.
Robert M. Guralnick, University of Southern California
Pham Huu Tiep*, Ohio State University
(93020281)

4:00 p.m.
Groups, Association Schemes, and Integral Table Algebras.
Harvey I. Blau*, Northern Illinois University
(93020229)

4:30 p.m.
Finite group schemes related to nonrestricted representations.
Ivan Mirkovic, University of Massachusetts at Amherst
Dmitriy A. Rumynin*, University of Massachusetts at Amherst.
(9301777)

5:00 p.m.
The ``Even" Brauer Algebras.
Cheryl P. Grood*, University of Wisconsin, Madison
(93016482)

5:30 p.m.
Modular representation theory used in the classification of quasithin groups.
Stephen D Smith*, University of Illinois at Chicago
(93020109)

Saturday January 10, 1998, 8:00 a.m.10:50 a.m.
AMS Special Session on Representations of Finite Groups, II
Organizers:
Jonathan L. Alperin, University of Chicago alperin@math.uchicago.edu
Jon F. Carlson, University of Georgia jfc@math.uga.edu

8:00 a.m.
On the decomposition matrix of a finite group of Lie type in the defining characteristic.
James E Humphreys*, University of Massachusetts at Amherst
(93020189)

8:30 a.m.
On products of characters of the symmetric group.
Ernesto Vallejo*, Instituto de Matematicas, UNAM
(9302084)

9:00 a.m.
Phantom maps and purity over group algebras.
Gilles Ph. Gnacadja*, University of Georgia
(93020424)

9:30 a.m.
Small Cross Characteristic Representaions for Odd Characteristic Symplectic Groups.
Robert M Guralnick, University of Southern California
Kay Magaard*, Wayne Sate University
Jan Saxl, Cambridge University
(93020775)

10:00 a.m.
The norm map between the endomorphism algebras of GelfandGraev representations.
Julianne G. Rainbolt*, Michigan State University
(93020894)

10:30 a.m.
Some remarks on Hecke algebras of type A.
Bhama Srinivasan*, Univ. of Illinois at Chicago
(93020926)

Saturday January 10, 1998, 1:00 p.m.5:20 p.m.
AMS Special Session on Representations of Finite Groups, III
Organizers:
Jonathan L. Alperin, University of Chicago alperin@math.uchicago.edu
Jon F. Carlson, University of Georgia jfc@math.uga.edu

1:00 p.m.
Projective Representations in Cross Characteristics for some Classical Groups.
Corneliu G Hoffman*, Univ. of Southern California
(93020192)

1:30 p.m.
Counting irreducible modules with formulas similar to Alperin's weight conjecturesome examples.
Harald E Ellers*, Northern Illinois University
(93020904)

2:00 p.m.
Alperin's weight conjecture and the Brauer quotient for symmetric groups.
Luis ValeroElizondo*, University of Minnesota
(93020551)

2:30 p.m.
Fitting heights of finite solvable groups with few irreducible character degrees.
Jeffrey M Riedl*, University of Wisconsin, Madison
(9302087)

3:00 p.m.
Induction Theorems on the Center of the Ring of Generic Matrices.
Esther Beneish*, Syracuse University
(93020151)

3:30 p.m.
Crosscharacteristic character and fixed point space ratios .
David H Gluck*, Wayne State University
Kay Magaard, Wayne State University
(93020216)

4:00 p.m.
Determining Group Structure from Sets of Character Degrees.
Mark L Lewis*, Kent State University
(93020156)

4:30 p.m.
Modular Representations of Symmetric and Alternating Groups.
Ben Ford*, Case Western Reserve University
(93020685)

5:00 p.m.
Stratifications and Mackey Functors.
Peter Webb*, University of Minnesota
(93020702)
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