Monday, October 19, 2009
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Morning Session
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8:00 - 8:50
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Check-In/Breakfast (Hosted by IPAM)
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8:50 - 9:00
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Welcome and Opening Remarks
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9:00 - 9:50
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Jacob Fox (Princeton University)
"Geometric intersection graphs"
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10:00 - 10:15
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Break
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10:15 - 11:05
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Imre Barany (Renyi Institute of Mathematics)
"Jarnik's convex lattice n-gon for non-symmetric norms"
Presentation (PDF File)
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11:15 - 11:30
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Break
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11:30 - 12:20
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Rekha Thomas (University of Washington)
"Theta Bodies for Polynomial Systems"
Presentation (PDF File)
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12:30 - 2:00
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Lunch (on your own)
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Afternoon Session
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2:00 - 2:50
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Frank Vallentin (CWI (Center for Mathematics and Computer Science))
"Covering maxima"
Presentation (PDF File)
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3:00 - 3:15
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Break
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3:15 - 4:05
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Keith Ball (University College London)
"Superexpanders and Markov cotype in the work of Mendel and Naor"
Presentation (PDF File)
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4:30 - 6:30
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Poster Session and Reception (Hosted by IPAM)
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Tuesday, October 20, 2009
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Morning Session
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8:00 - 9:00
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Continental Breakfast
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9:00 - 9:50
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Janos Pach (Renyi Institute of Mathematics)
"Conway's Thrackle Conjecture Revisited"
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10:00 - 10:15
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Break
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10:15 - 11:05
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Fu Liu (University of California, Davis (UC Davis))
"Higher integrality conditions and volumes of slices"
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11:15 - 11:30
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Break
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11:30 - 12:20
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Uli Wagner (ETH Zürich)
"Combinatorial and Computational Aspects of Embeddability"
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12:30 - 2:00
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Lunch (on your own)
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Afternoon Session
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2:00 - 2:50
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Francisco Santos (University of Cantabria)
"Unimodular triangulations of multiples of 3-polytopes"
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3:00 - 3:15
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Break
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3:15 - 4:05
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Rom Pinchasi (Technion - Israel Institute of Technology)
"On some unrelated problems about planar arrangements of lines"
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4:15 - 4:30
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Break
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4:30 - 5:20
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Igor Pak (University of California, Los Angeles (UCLA))
"Acute triangulations of polytopes"
Presentation (PDF File)
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Wednesday, October 21, 2009
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Morning Session
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8:00 - 9:00
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Continental Breakfast
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9:00 - 9:50
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Bernd Sturmfels (University of California, Berkeley (UC Berkeley))
"Spectrahedra"
Presentation (PDF File)
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10:00 - 10:15
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Break
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10:15 - 11:05
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Eran Nevo (Cornell University)
"Missing faces and generalized lower bounds on face numbers"
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11:15 - 11:30
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Break
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11:30 - 12:20
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Richard Stanley (Massachusetts Institute of Technology)
"Some recent work on the volume, f-vector, and Ehrhart polynomial of certain polytopes"
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12:30 - 2:00
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Lunch (on your own)
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Afternoon Session
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2:00 - 2:50
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Timothy Chan (University of Waterloo)
"On k-Sets and k-Levels"
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3:00 - 3:15
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Break
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3:15 - 4:05
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David Eppstein (University of California, Irvine (UCI))
"Hyperconvexity and metric embedding"
Presentation (PDF File)
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Thursday, October 22, 2009
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Morning Session
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8:00 - 9:00
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Continental Breakfast
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9:00 - 9:50
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Günter Ziegler (Technische Universität Berlin)
"Optimal bounds for the colored Tverberg problem"
Presentation (PDF File)
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10:00 - 10:15
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Break
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10:15 - 11:05
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Isabella Novik (University of Washington)
"Face numbers of spheres, manifolds, and pseudomanifolds"
Presentation (PDF File)
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11:15 - 11:30
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Break
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11:30 - 12:20
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Caroline Klivans (University of Chicago)
"A Geometric Interpretation of the Characteristic Polynomial of a Hyperplane Arrangement"
Presentation (PDF File)
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12:30 - 2:00
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Lunch (on your own)
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Afternoon Session
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2:00 - 2:50
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Richard Ehrenborg (University of Kentucky)
"Excedance statistic for affine permutations and skew root polytopes"
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3:00 - 3:15
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Break
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3:15 - 4:05
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Eric Babson (University of California, Davis (UC Davis))
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4:15 - 4:30
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Break
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4:30 - 5:20
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Jesus De Loera (University of California, Davis (UC Davis))
"New Geometric Algorithms and their Applications in Discrete Optimization"
Presentation (PDF File)
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Friday, October 23, 2009
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Morning Session
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8:00 - 9:00
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Continental Breakfast
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9:00 - 9:50
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Gabriel Nivasch (ETH Zürich)
"Stair-convexity"
Presentation (PowerPoint File)
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10:00 - 10:15
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Break
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10:15 - 11:05
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Geza Toth (Renyi Institute of Mathematics)
"Relationships between different crossing numbers of graphs"
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11:15 - 11:30
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Break
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11:30 - 12:20
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Jozsef Solymosi (University of British Columbia)
"On the unit distance problem"
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