Brown Discrete Math Seminar Archive

[2012-2013]   [2013-2014]   [2014-2015]   [2015-2016]   [2016-2017]  

2015-2016

Organizers

Richard Kenyon, Sanjay Ramassamy, Samuel Watson

Spring 2016

• February 2 : Melody Chan (Brown University).
  Rotor-routing and planarity.
• February 9 : Richard Kenyon (Brown University).
  Dimers and linear foam.
• February 16 : no seminar.
  ICERM workshop from February 15 to February 19 : Ergodic, Algebraic and Combinatorial Methods in Dimension Theory.
• February 23 : no seminar (university holiday).
• March 1 : Zhongyang Li (University of Connecticut).
  XOR Ising model and constrained percolation.
• March 8 : no seminar.
  ICERM workshop from March 7 to March 11 : Fractal Geometry, Hyperbolic Dynamics and Thermodynamical Formalism.
• March 15 : Konstantin Matveev (Harvard University).
  Random polymers, interacting particle systems, and q-deformed RSK algorithms.
• March 22 : Sam Hopkins (MIT).
  Fourientation activities and the Tutte polynomial.
• March 29 : no seminar (spring break).
• April 5 : no seminar.
  ICERM workshop from April 4 to April 8 : Computations in dynamics.
• April 12 : Ralf Schiffler (University of Connecticut).
  Snake graphs and continued fractions.
  
• April 19 : Xin Sun (MIT).
  Vertex models, random planar maps and Liouville quantum gravity.
  
• Monday May 2 at 2pm : Samuel S. Watson (Brown University).
  Convergence of random planar maps.
  

Fall 2015

There is no seminar scheduled for this semester.

2014-2015

Organizers

Richard Kenyon, Sanjay Ramassamy

Spring 2015

There will be no Brown discrete math seminar this semester.

Instead there will be several workshops and seminars at ICERM associated with the program
"Phase Transitions and Emergent Properties".

The schedule is regularly updated and can be found here :
ICERM Spring 2015 schedule.

Fall 2014

• September 9 : Richard Kenyon (Brown University).
  Principal minors and rhombus tilings.
• September 23 : Sanjay Ramassamy (Brown University).
  Dimers on rail yard graphs.
• September 30 : Oliver Cheng (Brown University).
  The Cube Recurrence and Groves.
• October 7 : Ningning Ma (Brown University).
  Grassmannians and networks.
• October 28 : Alexander Goncharov (Yale University).
  Ideal webs, moduli spaces of SL_m local systems on surfaces and 3d CY categories.
• November 11 : Vadim Gorin (MIT).
  Random matrix asymptotics for the six-vertex model.
• November 18 : Emily Russell (ICERM).
  Folding, Crumpling, and Coloring: A Spin Model with Geometric Constraints.
  
• Joint discrete math and geometry seminar :
  November 25 : Bram Petri (University of Fribourg and Brown University).
  The systole of a random surface.
• December 9 : Ningning Ma (Brown University).
  Tropicalization of the dimer model.
• December 16 : no seminar.

2013-2014

Organizers

Richard Kenyon : rkenyon "at" math "dot" brown "dot" edu
Sanjay Ramassamy : ramassam "at" math "dot" brown "dot" edu
Mei Yin : mei_yin "at" math "dot" brown "dot" edu

Spring 2014

• February 4 : Catherine Stenson (Juniata College).
  Weighted Voting, Threshold Functions, and Zonotopes.
• Thursday March 6 : Steve Heilman (NYU).
  Isoperimetry and the Ornstein-Uhlenbeck Operator.
• March 11 : Nathan Pflueger (Harvard University).
  Chip-firing on metric graphs.
• March 18 : Steven Gortler (Harvard University).
  Characterizing generic global rigidity.
• April 1 : Benjamin Iriarte Giraldo (MIT).
  Graph orientations, linear extensions and a variation of the Laplacian.
• April 8 : Christian Borgs (Microsoft Research New England).
  Statistical Physics of L^p Sparse Graph Limits.
• April 15 : Jason Miller (MIT).
  Random Surfaces and Quantum Loewner Evolution.
• April 22 : Vivian Healey (Brown University).
  Random Surfaces, the Loewner Equation, and Embedded Trees.

Fall 2013

• September 10 : Richard Kenyon (Brown University).
  Square tilings and networks.
• September 17 : no seminar.
  Special event at ICERM from September 16 to September 20 : Workshop on "Exotic Geometric Structures".
• September 24 : Mei Yin (Brown University).
  Critical phenomena in exponential random graphs.
• October 1 : Louis Theran (Freie Universität Berlin).
  Combinatorial rigidity with symmetry.
• October 8 : Igor Rivin (Temple University).
  Generic (and not) phenomena in groups.
• October 15 : Martin Tassy (Brown University).
  Translation invariant Gibbs measures on tilings by Nx1 rectangles.
• October 22 : no seminar.
  Special event at ICERM from October 21 to October 25 : Workshop on "Topology, Geometry and Group Theory".
• October 29 : Wei Wu (Brown University).
  Large deviations for mean field interacting particle systems.
• November 5 : Joe P. Chen (University of Connecticut).
  Maxima and entropic repulsion of Gaussian free field: on and beyond Z^d.
• November 19 : no seminar.
  Special event at ICERM from November 18 to November 22 : Workshop on "Geometric Structures in Low-Dimensional Dynamics".
• December 3 : Sara Maloni (Brown University).
  Combinatorial methods on actions on character varieties.
• December 10 : Hao Wu (MIT).
  On the conformally invariant growing mechanism in CLE4.

2012-2013

Fall 2012

• Oct 2. Olivier Bernardi (Brandeis)
• Oct 9. Martin Tassy (Brown)
• Oct 23: Wei Wu (Brown)
• Nov 6. Ivan Corwin (MIT)
• Nov 13. Jeffrey Kuan (Harvard)
• Nov 27: Federico Ardila (SFSU)
• Dec 11: Uhi Rinn Suh (MIT)

Spring 2013

• Feb 12: Jessica Striker (UMinn)
• Feb 26: Caroline Klivans (Brown)
• Mar 5: Adrien Kassel (ENS)
• Mar 19: Zajj Daugherty (Dartmouth)
• Apr 2: Thomas Lam (UMich)
• Apr 16: Govind Menon (Brown)