AMS Sectional Meeting Program by Special Session
Current as of Tuesday, April 12, 2005 15:09:12
Program 
Deadlines 
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1994 Eastern Spring Sectional Meeting
Brooklyn, NY, April 810, 1994
Meeting #892
Associate secretaries:
Lesley M Sibner, AMS
lsibner@duke.poly.edu
Special Session on Discrete Geometry

Friday April 8, 1994, 1:00 p.m.3:50 p.m.
Special Session on Discrete Geometry, I
Room 705, Rogers Hall

1:00 p.m.
A survey of problems concerning distance sums on spheres.
Ralph Alexander*, University of Illinois, UrbanaChampaign
(89252203)

1:30 p.m.
Realizations of weighted graphs in Euclidean spaces.
Alexander I. Barvinok*, Cornell University, Ithaca
(8925243)

2:00 p.m.
Finite and uniform stability of sphere packings and coverings.
Andr\'as Bezdek*, Auburn University, Auburn
Karoly Bezdek, Eotvos Lorand University, Hungary
Robert Connelly, Cornell University, Ithaca
(89252143)

2:30 p.m.
Lightsources that illuminate the boundary points all but the vertices of a convex polytope.
Karoly Bezdek*, Eotvos Lorand University, Hungary
(89252242)

3:00 p.m.
Toric hvectors of Shellable cubical complexes.
Clara S. Chan*, Institute for Defense Analyses
(89252227)

3:30 p.m.
On convex projections of polygons.
Robert Connelly*, Cornell University, Ithaca
Beat Jaggi, University of Bern, Switzerland
(89252123)

Saturday April 9, 1994, 9:00 a.m.10:50 a.m.
Special Session on Discrete Geometry, II
Room 202, Rogers Hall

9:00 a.m.
Symmetrical combinations of 3 or 4 hollow triangles.
H. S. M. Coxeter*, University of Toronto
(8925133)

9:30 a.m.
Geometry in the computer construction of school timetables.
J. Csima*, McMaster University
(89252167)

10:00 a.m.
Are lattice arrangements optimal?
G\'abor FejesT\'oth*, Hungarian Academy of Science, Hungary
(89252215)

10:30 a.m.
On the best constant for the Besicovitch covering theorem.
Zoltan F\"uredi*, University of Illinois, UrbanaChampaign
(89228240)

Saturday April 9, 1994, 2:30 p.m.5:50 p.m.
Special Session on Discrete Geometry, III
Room 202, Rogers Hall

2:30 p.m.
Knotted latticelike space fillers.
Wlodzimierz Kuperberg*, Auburn University, Auburn
(89252117)

3:00 p.m.
Three problems on fourdimensional polytopes.
G\"unter M. Ziegler*, KonradZuse ZIB, Germany
(8925255)

3:30 p.m.
Gale transforms and triangulations.
Carl Lee*, University of Kentucky
(89252202)

4:00 p.m.
Embedding a polytope in a lattice.
Hiroshi Maehara*, Ryuyku University, Japan
(8925252)

4:30 p.m.
Oriented matroids and the birational geometry of toric varieties.
Robert Morelli*, Institute for Advanced Study
(89252257)

5:00 p.m.
Voronoi inclusionexclusion identities and inequalities.
Daniel Q. Naiman*, Johns Hopkins University
Henry P. Wynn, City University, London
(89255198)

5:30 p.m.
Bounding the number of geometric permutations induced by ktransversals.
Jacob E. Goodman, City College, City University of New York
Richard Pollack*, Courant Institute of Mathematical Sciences, New York University
Rephael Wenger, Ohio State University, Columbus
(8925222)

Sunday April 10, 1994, 9:00 a.m.10:50 a.m.
Special Session on Discrete Geometry, IV
Room 202, Rogers Hall

9:00 a.m.
Geometry of sphere packing in bold E^3.
Igor Rivin*, Institute for Advanced Study
(89252241)

9:30 a.m.
Separating translates in the plane: Combinatorial bounds.
Jurek Czyzowicz, University of Quebec at Hull
Hazel Everett, University of Quebec at Montreal
JeanMarc Robert*, University of Quebec at Chicoutimi
(89252122)

10:00 a.m.
Chirality in abstract polytopes.
Egon Schulte*, Northeastern University
(89251135)

10:30 a.m.
The tightest packings (or clusters) of N balls.
N. J. A. Sloane*, AT&T Bell Laboratories, Murray Hill, New Jersey
(8925198)

Sunday April 10, 1994, 2:30 p.m.5:50 p.m.
Special Session on Discrete Geometry, V
Room 202, Rogers Hall

2:30 p.m.
Different distances.
Endre Szemer\'edi*, Rutgers University, New Brunswick
(89251230)

3:00 p.m.
Polytopes related to the Picard group.
B. Monson, University of New Brunswick
Asia Ivi\'c Weiss*, York University
(8925258)

3:30 p.m.
On connected components of convex sets of lines in R^3.
Jacob E. Goodman, City College, City University of New York
Richard Pollack, Courant Institute of Mathematical Sciences, New York University
Rephael Wenger*, Ohio State University, Columbus
(8925236)

4:00 p.m.
A new approach to packing and covering.
Ulrich Betke, University of Siegen, Germany
Martin Henke, University of Siegen, Germany
J\"org M. Wills*, University of Siegen, Germany
(8925235)

4:30 p.m.
Polytopes that fill R^n and scissors congruences.
Jeffrey C. Lagarias*, AT&T Bell Laboratories, Murray Hill, New Jersey
David Moews, University of California, Berkeley
(8925213)

5:00 p.m.
Foundations of the polytope algebra.
Peter McMullen*, University College London, United Kingdom
(89252210)

5:30 p.m.
Parallel drawings and dimensioning plane diagrams in CAD.
Walter Whiteley*, York University
John Owen, DCUBED Limited, Cambridge, England
(8925259)
Inquiries: meet@ams.org