Drawing the line in redistricting (A mathematician's take)

Seminar

Speaker(s)

Jonathan Mattingly, Duke University

Date and Time

March 5, 2018 3:30 PM - 5:00 PM

Availability

Open to the public.

No RSVP required

Location

William J. Perry Conference Room, Encina Hall, 2nd Floor, 616 Serra St, Stanford, CA 94305

Abstract: In this talk, I will describe a a body of mathematical work trying to quantify the extent to which a redistricting plan is a partisan gerrymander. 

This work served as the basis for my court testimony in Common Cause v. Rucho which recently declared the NC 2016 Congressional  maps a partisan gerrymander. The Duke Quantifying Gerrymanderig group also produced a report on partisan gerrymandering in Wisconsin which was one of the biases for Eric Lander’s amicus brief in Gill v Whitford. The method turns on generating an ensemble of redistrictings without regard to any (or little) partisan data and then using this ensemble to bench mark what properties a typical redistricting should have. This in turn can be used to determine if a specific redistricting is a statistical outlier. More information and source papers can be found at https://sites.duke.edu/quantifyinggerrymandering/ .

 

Speaker bio: Jonathan  Mattingly grew up in Charlotte, NC where he graduated from the NC School of Science and Mathematics and received a BS is Applied Mathematics with a concentration in physics from Yale University. After two years abroad with a year spent at ENS Lyon studying nonlinear and statistical physics on a Rotary Fellowship, he returned to the US to attend Princeton University where he obtained a PhD in Applied and Computational Mathematics in 1998. After 4 years as a Szego Assistant Professor of Mathematics at Stanford University and a year as a member of the Institute for Advanced Studies in Princeton, he moved to Duke University in 2003. He is currently a Professor of Mathematics and of Statistical Science. He is the recipient of a Sloan Fellowship, a PECASE CAREER award, and is a fellow of the IMS and the AMS. 

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