AMS Sectional Meeting Program by Special Session
Current as of Tuesday, April 12, 2005 15:08:45
Program 
Deadlines 
Inquiries: meet@ams.org
1990 Fall Central Section Meeting
Denton, TX, November 23, 1990
Meeting #861
Associate secretaries:
Andy R Magid, AMS
amagid@ou.edu
Special Session on Algebraic Geometry

Friday November 2, 1990, 7:30 a.m.9:50 a.m.
Special Session on Algebraic Geometry, I
Room 418, University Union Building

7:30 a.m.
Homotopy limits in general (co)fibration categories.
Jerome William Hoffman*, Louisiana State University, Baton Rouge
(86155147)

8:00 a.m.
Goppa codes and Weierstrass gaps.
Robert F. Lax*, Louisiana State University, Baton Rouge
(8611439)

8:30 a.m.
Periods of mixed cusp forms.
Min Ho Lee*, University of Northern Iowa
(8611138)

9:00 a.m.
A beginner's guide to Persson diagrams.
Charles F. Schwartz*, Rider College
William L. Hoyt, Rutgers University, New Brunswick
(86114182)

9:30 a.m.
Nef cotangent bundles of branched coverings.
Michael J. Spurr*, East Carolina University
(86114142)

Friday November 2, 1990, 1:30 p.m.4:50 p.m.
Special Session on Algebraic Geometry, II
Room 418, University Union Building

1:30 p.m.
Exponential sums and Newton polyhedra.
Alan Adolphson*, Oklahoma State University, Stillwater
(86114213)

2:00 p.m.
Characteristic numbers for singular cubics.
Paolo Aluffi*, Oklahoma State University, Stillwater
(86114124)

2:30 p.m.
Birational mappings between hypersurfaces of degree M+1 in P^M+1.
Bruce Crauder*, Oklahoma State University, Stillwater
(86114153)

3:00 p.m.
Families of Abelian varieties over modular curves, the generalized Tate conjecture, and ordinary primes for modular forms.
B. Brent Gordon*, University of Oklahoma
(86114219)

3:30 p.m.
Hilbert modular threefolds.
H. G. Grundman*, Massachusetts Institute of Technology
(86114135)

4:00 p.m.
Homogeneous and schemetheoretic generation of varieties by quadrics.
Sheldon Katz*, Oklahoma State University, Stillwater
(86114134)

4:30 p.m.
On the existence of components of the Hilbert scheme with the expected number of moduli.
Angelo Lopez*, University of California, Riverside
(86114181)

Saturday November 3, 1990, 7:00 a.m.9:50 a.m.
Special Session on Algebraic Geometry, III
Room 418, University Union Building

7:00 a.m.
On desingularized HorrocksMumford quintics.
Ciprian Borcea*, Institute for Advanced Study
(86114120)

7:30 a.m.
Period relations for twisted Legendre equations.
W. L. Hoyt*, Rutgers University, New Brunswick
(86114154)

8:00 a.m.
Field of definition of the group of sections of elliptic surfaces.
Masato Kuwata*, University of British Columbia,
(86111198)

8:30 a.m.
The singularities of the parameter surface of a minimal elliptic threefolds.
Antonella Grassi*, Tufts University
(86114197)

9:00 a.m.
On a conjecture of Tyurin.
YunGang Ye*, Duke University
(86114212)

9:30 a.m.
Adjunction for vector bundles.
Qi Zhang*, Johns Hopkins University, Baltimore
(86114183)

Saturday November 3, 1990, 2:00 p.m.4:20 p.m.
Special Session on Algebraic Geometry, IV
Room 418, University Union Building

2:00 p.m.
Spaces of rational functions on curves over finite fields.
Stephen A. DiPippo*, Brigham Young University
(86114174)

2:30 p.m.
Embeddings of rational surfaces as CohenMacaulay varieties.
A. V. Geramita, Queen's University
A. Gimigliano, Universit\'a di Genova, Italy
B. Harbourne*, University of Nebraska, Lincoln
(86114159)

3:00 p.m.
The arithmetic of the Jacobian of a Fermat curve.
William G. McCallum*, University of Arizona
(86114171)

3:30 p.m.
Elliptic surfaces.
Peter F. Stiller*, Texas A\thsp\&\thsp M University, College Station
(86114195)

4:00 p.m.
Informal Discussion
Inquiries: meet@ams.org