AMS Meeting Program by Special Session
Current as of Tuesday, April 12, 2005 15:09:09
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1994 Joint Mathematics Meeting
Cincinnati, OH, January 1215, 1994
Meeting #889
Associate secretaries:
Robert J Daverman, AMS daverman@math.utk.edu
Kenneth A Ross, MAA ross@math.uoregon.edu
AMS Special Session on Quadratic Forms and Division Algebras

Wednesday January 12, 1994, 8:00 a.m.10:40 a.m.
AMS Special Session on Quadratic Forms and Division Algebras, I

8:00 a.m.
Uniform denominators in Hilbert's 17th problem.
Bruce Reznick*, University of Illinois, UrbanaChampaign
(8891170)

8:30 a.m.
Extalgebras and abstract Witt rings.
Robert W. Fitzgerald*, Southern Illinois University, Carbondale
(8891169)

9:00 a.m.
A localglobal theorem for SkewHermitian forms over quaternion algebras.
Owen Thomas*, Ohio Dominican College
(88915246)

9:30 a.m.
Embedding of quadratic forms into Pfister forms.
Detlev W. Hoffmann*, Institute for Experimental Mathematics, Germany
(88911298)

10:00 a.m.
Index reduction formulas for twisted homogeneous varieties.
A. S. Merkurjev, St Petersburg State University, Russia
I. A. Panin, Steklov Mathematical Institute, Russia
A. R. Wadsworth*, University of California at San Diego, La Jolla
(8891693)

Wednesday January 12, 1994, 2:15 p.m.5:35 p.m.
AMS Special Session on Quadratic Forms and Division Algebras, II

2:15 p.m.
Kummer subfields of tame division algebras.
Patrick J. Morandi, New Mexico State University, Las Cruces
B. A. Sethuraman*, California State University, Northridge
(88916226)

2:45 p.m.
The generalized even Clifford algebra for algebra with involution.
David Tao*, University of Texas, Austin
(8891536)

3:15 p.m.
Noncrossed product division algebras with a Baer ordering.
Patrick J. Morandi*, New Mexico State University, Las Cruces
B. A. Sethuraman, California State University, Northridge
(8891612)

3:45 p.m.
Noncrossed product division algebras over Q(t) and Q((t)).
Eric Brussel*, Harvard University
(88916678)

4:15 p.m.
On dihedral algebras and conjugate splittings.
Darrell Haile*, Indiana University, Bloomington
(88916733)

4:45 p.m.
Crossed products over algebraic function fields.
Burt Fein*, Oregon State University
Murray M. Schacher, University of California, Los Angeles
(8891271)

5:15 p.m.
Groups admissible over bold Q (t) and bold Q ((t)).
Murray Schacher*, University of California, Los Angeles
Burt Fein, Oregon State University
(8891211)

Thursday January 13, 1994, 8:00 a.m.10:50 a.m.
AMS Special Session on Quadratic Forms and Division Algebras, III

8:00 a.m.
The Witt ring of an elliptic curve.
Bill Jacob*, University of California, Santa Barbara
(88912723)

8:30 a.m.
Witt rings of elliptic curves over elementary type fields.
Robert Schwennicke*, University of California, Santa Barbara
(88914791)

9:00 a.m.
On Witt groups of surfaces over local fields.
R. Sujatha*, Ohio State University, Columbus
Shuji Saito, University of Tokyo, Japan
(88914242)

9:30 a.m.
uinvariant computations.
Charles Yeomans*, Lexington, Kentucky
(88912370)

10:00 a.m.
The similarity group of a trace form of higher degree.
Manuel O'Ryan*, University of Talca, Chile
Daniel B. Shapiro, Ohio State University, Columbus
(88915589)

10:30 a.m.
A note on the Kaplansky radical.
Roger Ware*, Pennsylvania State University, University Park
(88912218)

Thursday January 13, 1994, 2:15 p.m.4:05 p.m.
AMS Special Session on Quadratic Forms and Division Algebras, IV

2:15 p.m.
Extension of orderings on *fields.
Thomas C. Craven*, University of Hawaii, Honolulu
(88912343)

2:45 p.m.
The real holomorphy ring and sums of powers in commutative rings.
Eberhard Becker, University of Dortmund, Germany
Victoria Powers*, Emory University
(88911105)

3:15 p.m.
The higher level real spectrum of a commutative ring.
Leslie Walter*, University of Saskatchewan
Murray Marshall, University of Saskatchewan
(88913227)

3:45 p.m.
An approximation theorem for coarse Vtopologies on rings.
Murray A. Marshall*, University of Saskatchewan
(88912104)
Inquiries: meet@ams.org