December 2017
Ken Ono (Asa Griggs Candler Professor, Department of Mathematics
and Computer Science, Emory University)
"Polya's program for the Riemann Hypothesis and related
problems"

Why does Ramanujan, "The man who knew infinity," matter?
Polya's program for the Riemann Hypothesis and
related problems

Can't you just feel the moonshine?
More info >


April 2016
Noam Elkies (Professor, Department of Mathematics, Harvard University)
"Canonical Forms"
Canonical forms – the mathematical structure of musical canons
Poisson summation and packing problems
More info >


April 2014
Skip Garibaldi (Institute of Pure and Applied Mathematics, UCLA;
Professor, Department of Mathematics and Computer Science, Emory
University)
"Expect the Expected"
 Topological and generic methods in algebra
 Some people have all the luck
 Groups stabilizing polynomials
More info >


March 2013
Peter Winkler (Dartmouth College)
"Probability and Intuition"
 "Probability Puzzles that Boggle the Mind"
 "New Directions in Random Walk on a Graph"
 "Random Walk and the Gittins Index"
More info >


March 2012
Jordan S. Ellenberg (Madison)
"How To Count"
 "There is No Such Thing as Public Opinion: Polls,
Hanging Chads, and Slime Molds"
 "Polynomials as Numbers"
 "Arithmetic Counting Problems: The Topology of
Numbers"
More info >


March 2011
Diane Prost O'Leary (Maryland)
"Searching for Certainty: Words, Images, Location"
 "Mathematics in Words and Images: The role mathematics plays in
searching the web and in restoring blurred images."
 "Uncertainty Quantification for Illposed Problems"
 "Where Am I?: Position from incomplete
distance information, from Gauss's geodesy problems to
protein structures"


April 2010
Robert Ghrist (UPenn)
"Form and Function: Topology as a Tool"
 "Sensor Sensibility: the Mathematics of Sensor Networks"
 "Sheaves and Data"
 "Current Trends in Applied Algebraic Topology"


September 2008
Jeff Weeks (independent)
 "The Shape of Space"
 "Visualizing Four Dimensions"
 "Where Do Spherical Spaces Come From?"


February 2008
Margaret Wright (Courant, NYU)
 "How Hard Can It Be?"
 "A Tale of Three Complexities: the Worst of Times, the Best of
Times, the Spring of Hope"
 "The NelderMead optimization method: dead or alive?"


October 2006
James Yorke (Maryland)
 "Chaos"
 "The HIV/AIDS Epidemic: When is HIV most infectious?"
 "Determining the DNA sequence: A billiondollar logic puzzle"


October 2005
Nicholas Lloyd Trefethen (Oxford)
"Confessions of a Number Cruncher"
 "The trapezoid rule, rational approximation, and
functions of matrices"
 "Computed eigenmodes of planar regions"
 "Polynomial interpolation and the Chebfun system in Matlab"


2004
Persi Diaconis (Stanford)
"Mathematics and Magic Tricks"


October 2004
Sigurdur Helgason (MIT)
 "Geometry and the Real World"
 "Fourier and Radon transforms on symmetric spaces"
 "The geometry of the wave equation"

