BEGIN:VCALENDAR VERSION:2.0 PRODID:researchseminars.org CALSCALE:GREGORIAN X-WR-CALNAME:researchseminars.org BEGIN:VEVENT SUMMARY:Marion Campisi (San Jose State University) DTSTART:20230306T223000Z DTEND:20230306T234500Z DTSTAMP:20260404T065404Z UID:MathandDemoc/18 DESCRIPTION:Title: The Geometry and Election Outcome (GEO) Metric\nby Marion Campis i (San Jose State University) as part of NYU CDS Math and Democracy Semina r\n\n\nAbstract\nWe introduce the Geography and Election Outcome (GEO) met ric\, a new method for identifying potential partisan gerrymanders. In con trast with currently popular methods\, the GEO metric uses both geographic information about a districting plan as well as district-level partisan d ata\, rather than just one or the other. We motivate and define the GEO me tric\, which gives a count (a non-negative integer) to each political part y. The count indicates the number of previously lost districts which that party potentially could have had a 50% chance of winning\, without risking any currently won districts\, by making reasonable changes to the input m ap. We then analyze GEO metric scores for each party in several recent ele ctions. We show that this relatively easy to understand and compute metric can encapsulate the results from more elaborate analyses.\n\nMarion Campi si is an Associate Professor in the department of Mathematics and Statisti cs at San José State University. Her research interests lie in low dimens ional topology\, knot theory and the mathematics of redistricting.\n LOCATION:https://researchseminars.org/talk/MathandDemoc/18/ END:VEVENT END:VCALENDAR