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Sampling, Optimization, and Evaluating Tradeoffs in Redistricting

Randomization, Neutrality, and Fairness October 23, 2023 - October 27, 2023

October 26, 2023 (09:30 AM PDT - 10:30 AM PDT)
Speaker(s): Daryl DeFord (Washington State University)
Location: SLMath: Eisenbud Auditorium, Online/Virtual
Primary Mathematics Subject Classification No Primary AMS MSC
Secondary Mathematics Subject Classification No Secondary AMS MSC
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Sampling, Optimization, and Evaluating Tradeoffs in Redistricting

Abstract

Tools from discrete sampling and optimization have become increasingly important for analyzing graph-based formulations of political redistricting, requiring both operationalizing legislative text and exploring complex Pareto frontiers. In this talk I will discuss recent applications and extensions of these techniques, including for court cases and line-drawing support, evaluating nonpartisan justifications for proposed plans, and balancing multiple population constraints to address within-cycle vote dilution. Along the way I will present related open problems and some proposals based on the cycle basis walk.

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Sampling, Optimization, and Evaluating Tradeoffs in Redistricting

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