Previous Conferences & Workshops

Nov
07
2012

Workshop on Topology: Identifying Order in Complex Systems

Continuum Percolation and Duality with Equilibrium Hard-Hyperparticle Systems
1:00pm|David Rittenhouse Lab.(Room 4E19), University of Pennsylvania

I derive a new set of bounds on the percolation threshold of a class of continuum percolation models consisting overlapping convex hyperparticles in d-dimensional Euclidean space. The bounds converge to one another as the space dimension increases...

Nov
06
2012

Computer Science/Discrete Mathematics Seminar II

Games, Solution Concepts, and Mechanism Design: A Very Short Introduction
10:30am|S-101

I present some of the very fundamental notions in game theory, with emphasis on their role in the theory of mechanism design and implementation. Examples include (1) normal-form games: Nash equilibrium and full implementation, dominant strategy...

Nov
05
2012

Members’ Seminar

Patching and Local-Global Principles
2:00pm|S-101

Patching methods are usually used to construct global objects from more local ones. On the other hand, algebraic objects can sometimes be understood from their local behavior, i.e., they satisfy a local-global principle. In this talk, we explain a...

Nov
02
2012

Joint IAS/Princeton University Symplectic Geometry Seminar

Hamiltonian S^1 Actions with Isolated Fixed Points on 6-Dimensional Symplectic Manifolds
Andrew Fanoe
4:30pm|S-101

The question of what conditions guarantee that a symplectic circle action is Hamiltonian has been studied for many years. In 1998, Sue Tolman and Jonathon Weitsman proved that if the action is semifree and has a non-empty set of isolated fixed...