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 Recent Progress in Elementary Geometry

Friday March 19, 1999, 9:00 a.m.10:45 a.m.
Special Session on Recent Progress in Elementary Geometry, I
Room 445, Altgeld Hall
Organizers:
John E. Wetzel, University of IllinoisUrbana jwetzel@math.uiuc.edu
Clark Kimberling, University of Evansville ck6@evansville.edu

9:00 a.m.
Revisiting some tiling problems.
Doris J. Schattschneider*, Moravian College
(94152150)

10:00 a.m.
Okumura's double tiling.
John Rigby*, Cardiff University
(94151149)

Friday March 19, 1999, 3:00 p.m.5:45 p.m.
Special Session on Recent Progress in Elementary Geometry, II
Room 445, Altgeld Hall
Organizers:
John E. Wetzel, University of IllinoisUrbana jwetzel@math.uiuc.edu
Clark Kimberling, University of Evansville ck6@evansville.edu

3:00 p.m.
Patterns on a spherical surface.
Magnus J. Wenninger*, none
(9415179)

4:00 p.m.
Variations of Uniform Polyhedra.
Vincent J. Matsko*, Associate Professor
(94151140)

4:30 p.m.
Constructing polytopes that have a manyfaceted projection.
Steven W. Knox*, none
(94152209)

5:00 p.m.
Cubing the Square: A Progress Report on the Rupert Problems.
Gregory Huber*, University of Arizona
(9415184)

Friday March 19, 1999, 7:00 p.m.7:45 p.m.
Special Session on Recent Progress in Elementary Geometry, III
Room 445, Altgeld Hall
Organizers:
John E. Wetzel, University of IllinoisUrbana jwetzel@math.uiuc.edu
Clark Kimberling, University of Evansville ck6@evansville.edu

7:00 p.m.
A philosophy of maximally enlightening proof, illustrated in the case of Feuerbach's Theorem.
Douglas Hofstadter*, Indiana University
(94151358)

Saturday March 20, 1999, 9:00 a.m.10:50 a.m.
Special Session on Recent Progress in Elementary Geometry, IV
Room 445, Altgeld Hall
Organizers:
John E. Wetzel, University of IllinoisUrbana jwetzel@math.uiuc.edu
Clark Kimberling, University of Evansville ck6@evansville.edu

9:00 a.m.
Enumerative Triangle Geometry.
Clark H Kimberling*, University of Evansville
(9415172)

10:00 a.m.
On the AjimaMalfatti problem.
Peter Yff*, American University of Beirut
(94151208)

10:30 a.m.
Remarks on Triangles Inscribed in a Cubic Curve.
Lawrence S. Evans*, none
(94151118)

Saturday March 20, 1999, 3:00 p.m.5:20 p.m.
Special Session on Recent Progress in Elementary Geometry, V
Room 445, Altgeld Hall
Organizers:
John E. Wetzel, University of IllinoisUrbana jwetzel@math.uiuc.edu
Clark Kimberling, University of Evansville ck6@evansville.edu

3:00 p.m.
The geometry of the cardiac cycle.
Dennis F. Cudia*, none
(9415243)

3:30 p.m.
The solution to the isoperimetric problem in 3dimensional Minkowski space.
Anthony C. Thompson*, Dalhousie University
(9415249)

4:00 p.m.
The smallest convex cover for triangles of perimeter two.
Zoltan F\"uredi, University of Illinois at UrbanaChampaign
John E. Wetzel*, University of Illinois at UrbanaChampaign
(94152207)

4:30 p.m.
Planar Packings and Mappings related to Minmax Problems.
SeonHong Kim*, University of Illinois
(94152217)

5:00 p.m.
Packing problems with congruent polygons.
Heiko Harborth*, TU Braunschweig, Germany
(94152211)

Saturday March 20, 1999, 7:00 p.m.9:00 p.m.
Special Session on Recent Progress in Elementary Geometry, VI
Room 445, Altgeld Hall
Organizers:
John E. Wetzel, University of IllinoisUrbana jwetzel@math.uiuc.edu
Clark Kimberling, University of Evansville ck6@evansville.edu

7:00 p.m.
Convex illumination problems
Gregory Galperin*, Eastern Illinois University
(94151232)

8:00 p.m.
A Generalization of Post's Theorem.
John M Sullivan*, Univ. of Illinois
(94152143)

8:30 p.m.
Dynamic Geometry of Polygons.
Richard L. Hitt, Univ. of South Alabama
XinMin Zhang*, University of South Alabama
(9415109)
Inquiries: meet@ams.org