
AMS Sectional Meeting Program by Special Session
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1999 Spring Central Section Meeting
Urbana, IL, March 1821, 1999
Meeting #941
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Special Session on Commutative Algebra

Friday March 19, 1999, 8:30 a.m.10:50 a.m.
Special Session on Commutative Algebra, I
Room 345, Altgeld Hall Organizers: Joseph Brennan, North Dakota State University brennan@plains.nodak.edu
Sankar Dutta, University of Illinois, Urbana dutta@math.uiuc.edu
Robert Fossum, University of Illinois, Urbana rfossum@uiuc.edu
Phillip Griffith, University of Illinois, Urbana griffith@math.uiuc.edu

8:30 a.m.
Baxter algebras and shuffle products.
Li Guo, Rutgers University
William F Keigher*, Rutgers University
(9411331)

9:00 a.m.
Hochschild homology of Hypersurfaces with Isolated Singularities.
Ruth I Michler*, University of North Texas
(94113303)

9:30 a.m.
Finite generation of Hochschild homology algebras.
Luchezar L. Avramov*, Purdue University
Srikanth Iyengar, Univesity of Missouri
(94113331)

10:00 a.m.
On Bass numbers of modules over local Noetherian rings.
Mee Kyung Kim, Sung Kyun Kwan University, Suwon, Korea
Jee Heub Koh*, Korea Institute for Advanced Study, Seoul, Korea
Kisuk Lee, Sookmyung Women's University, Seoul, Korea
(94113315)

10:30 a.m.
QuasiCohenMacaulay Homomorphisms.
HansBj{\o}rn Foxby*, K{\o}benhavns Universitet
(94113330)

Friday March 19, 1999, 3:00 p.m.6:20 p.m.
Special Session on Commutative Algebra, II
Room 345, Altgeld Hall Organizers: Joseph Brennan, North Dakota State University brennan@plains.nodak.edu
Sankar Dutta, University of Illinois, Urbana dutta@math.uiuc.edu
Robert Fossum, University of Illinois, Urbana rfossum@uiuc.edu
Phillip Griffith, University of Illinois, Urbana griffith@math.uiuc.edu

3:00 p.m.
A class of sheaves satisfying Kodaira's vanishing theorem.
Donu Arapura*, Purdue Univ.
(94114213)

3:30 p.m.
Galois embedding for linear groups.
Shreeram S. Abhyankar*, Purdue University
(9411425)

4:00 p.m.
Normal Forms of Mappings.
Steven D Cutkosky*, University of Missouri Columbia
(94113338)

4:30 p.m.
Rank three vector bundles on Projective 4space.
Mohan N Kumar*, Wasington University in St. Louis
Chris Peterson, Washington University in St. Louis
Prabhakar A Rao, University of Missouri in St. Louis
(94114166)

5:00 p.m.
Bezout's theorem and CohenMacaulay modules.
Uwe Nagel*, Universit\"atGesamthochschule Paderborn
(94113214)

5:30 p.m.
Resolutions of Subsets of Finite Sets of Points in Projective Space.
Stephen P Diaz, Syracuse University
Anthony V Geramita, Queen's Univ./Univ. Genova
Juan C Migliore*, University of Notre Dame
(94113117)

6:00 p.m.
A local cohomology module with infinitely many associated prime ideals.
Anurag K Singh*, University of Illinois
(94113242)

Saturday March 20, 1999, 8:30 a.m.10:50 a.m.
Special Session on Commutative Algebra, III
Room 345, Altgeld Hall Organizers: Joseph Brennan, North Dakota State University brennan@plains.nodak.edu
Sankar Dutta, University of Illinois, Urbana dutta@math.uiuc.edu
Robert Fossum, University of Illinois, Urbana rfossum@uiuc.edu
Phillip Griffith, University of Illinois, Urbana griffith@math.uiuc.edu

8:30 a.m.
Core of ideals and modules.
Alberto Corso*, Michigan State University
(94113324)

9:00 a.m.
Intersection multiplicities over Gorenstein rings.
Claudia M Miller*, University of Michigan
Anurag K Singh, University of IllinoisUrbana
(94113293)

9:30 a.m.
The Serre positivity conjecture and associated graded rings.
Paul C Roberts*, University of Utah
(94113235)

10:00 a.m.
Extremal Betti Numbers and Applications to monomial ideals.
Dave Bayer, Barnard College, Columbia University
Hara Charalambous*, University at Albany, SUNY
Sorin Popescu, Columbia University
(94113351)

10:30 a.m.
Toric Hilbert Schemes.
Irena V. Peeva*, Cornell University
Mike Stillman, Cornell University
(94113310)

Saturday March 20, 1999, 3:00 p.m.6:50 p.m.
Special Session on Commutative Algebra, IV
Room 345, Altgeld Hall Organizers: Joseph Brennan, North Dakota State University brennan@plains.nodak.edu
Sankar Dutta, University of Illinois, Urbana dutta@math.uiuc.edu
Robert Fossum, University of Illinois, Urbana rfossum@uiuc.edu
Phillip Griffith, University of Illinois, Urbana griffith@math.uiuc.edu

3:00 p.m.
On the localization of tight closure.
Craig L. Huneke*, University of Kansas
(94113325)

3:30 p.m.
Some conditions for the equivalence of weak and strong Fregularity .
Ian M. Aberbach*, University of Missouri
(94113220)

4:00 p.m.
The tight integral closure of a set of ideals.
Melvin Hochster*, University of Michigan, Ann Arbor
(94113344)

4:30 p.m.
Normal ideals in regular rings.
Sam Huckaba*, Florida State University
Craig Huneke, University of Kansas
(94113165)

5:00 p.m.
Permanental ideals and Zarankiewicz problem.
Irena Swanson*, New Mexico State University
(94113252)

6:00 p.m.
A survey of obstruction theory for projective Modules of top rank.
M.Pavaman Murthy*, University of Chicago
(94113355)

6:30 p.m.
The LCM lattice.
Vesselin N. Gasharov*, Cornell University
Irena V. Peeva, Cornell University
Volkmar Welker, Technische Universit\"at Berlin
(94113307)
Inquiries: meet@ams.org

