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The gerrymandering problem is a worldwide problem which sets great threat to democracy and justice in district based elections. Thanks to partisan redistricting commissions, district boundaries are often manipulated to benefit incumbents.…

Computers and Society · Computer Science 2015-10-14 Lucy Chenyun Wu , Jason Xiaotian Dou , Danny Sleator , Alan Frieze , David Miller

Most US school districts draw geographic "attendance zones" to assign children to schools based on their home address, a process that can replicate existing neighborhood racial/ethnic and socioeconomic status (SES) segregation in schools.…

Computers and Society · Computer Science 2026-02-02 Hongzhao Guan , Nabeel Gillani , Tyler Simko , Jasmine Mangat , Pascal Van Hentenryck

Generation of realistic topologies plays an important role in determining the accuracy and validity of simulation studies. This study presents a discussion to justify why, and how often randomly generated adjacency matrices may not not…

Networking and Internet Architecture · Computer Science 2013-04-17 Gautam Bhanage , Sanjit Kaul

In previous work [arXiv:1608.02014], we developed a rigorous statistical test for outlier status in a reversible Markov Chain, and demonstrated its utilization with an application to detecting gerrymandering in Pennsylvania's Congressional…

Applications · Statistics 2017-10-04 Maria Chikina , Alan Frieze , Wesley Pegden

Sampling-based methods such as ReCom are widely used to audit redistricting plans for fairness, with the balanced spanning tree distribution playing a central role since it favors compact, contiguous, and population-balanced districts.…

Data Structures and Algorithms · Computer Science 2026-01-13 Harry Chen , Kamesh Munagala , Govind S. Sankar

Several measures of partisan bias are reviewed for single member districts with two dominant parties. These include variants of the simple bias that considers only deviation of seats from 50% at statewide 50% vote. Also included are…

Physics and Society · Physics 2020-06-26 John F. Nagle

Assuming that partisan fairness and responsiveness are important aspects of redistricting, it is important to measure them. Many measures of partisan bias are satisfactory for states that are balanced with roughly equal proportions of…

Physics and Society · Physics 2020-09-29 John F. Nagle , Alec Ramsay

The space of connected graph partitions underlies statistical models used as evidence in court cases and reform efforts that analyze political districting plans. In response to the demands of redistricting applications, researchers have…

Physics and Society · Physics 2022-02-09 Elle Najt , Daryl DeFord , Justin Solomon

Connecticut passed their new state House of Representatives district plan on November 18, 2021 and passed their new state Senate district plan on November 23, 2021. Each passed unanimously in their 9-person bipartisan Reapportionment…

Computers and Society · Computer Science 2022-09-02 Kyle Evans , Katherine T. Chang

Landau, Reid, and Yershov [A Fair Division Solution to the Problem of Redistricting, \textit{Social Choice and Welfare}, 2008] propose a protocol for drawing legislative districts based on a two player fair division process, where each…

Combinatorics · Mathematics 2018-11-15 Jessica De Silva , Brady Gales , Bryson Kagy , David Offner

As a case study into an algorithmic approach to congressional districting, North Carolina provides a lot to explore. Statistical modeling has called into question whether recent North Carolina district plans are unbiased. In particular, the…

Optimization and Control · Mathematics 2023-11-21 Jimmy Risk , Jennifer Switkes , Ann Zhang

In network science, identifying optimal partitions of a signed network into internally cohesive and mutually divisive clusters based on generalized balance theory is computationally challenging. We reformulate and generalize two binary…

Social and Information Networks · Computer Science 2022-07-28 Samin Aref , Zachary P. Neal

Markov chains based on spanning trees have been hugely influential in algorithms for assessing fairness in political redistricting. The input graph represents the geographic building blocks of a jurisdiction. The goal is to output a large…

Discrete Mathematics · Computer Science 2026-02-13 Hugo A. Akitaya , Sarah Cannon , Gregory Herschlag , Gabe Schoenbach , Kristopher Tapp , Jamie Tucker-Foltz

Flexible licensing model is a necessary enabler of the technical and procedural complexities of Spectrum Access System (SAS)-based sharing framework. The purpose of this study is to explore the effectiveness of 3.5GHz Licensing Framework -…

Computers and Society · Computer Science 2016-05-31 Elma Avdic , Irene Macaluso , Nicola Marchetti , Linda Doyle

North Carolina's constitution requires that state legislative districts should not split counties. However, counties must be split to comply with the "one person, one vote" mandate of the U.S. Supreme Court. Given that counties must be…

Computers and Society · Computer Science 2019-09-02 Daniel Carter , Zach Hunter , Dan Teague , Gregory Herschlag , Jonathan Mattingly

Random sampling of graph partitions under constraints has become a popular tool for evaluating legislative redistricting plans. Analysts detect partisan gerrymandering by comparing a proposed redistricting plan with an ensemble of sampled…

Applications · Statistics 2023-11-09 Cory McCartan , Kosuke Imai

This paper presents a novel mechanism to endogenously determine the fair division of a state into electoral districts in a two-party setting. No geometric constraints are imposed on voter distributions or district shapes; instead, it is…

Computer Science and Game Theory · Computer Science 2019-01-07 Jamie Tucker-Foltz

We propose a method for redistricting, decomposing a geographical area into subareas, called districts, so that the populations of the districts are as close as possible and the districts are compact and contiguous. Each district is the…

Data Structures and Algorithms · Computer Science 2018-01-09 Vincent Cohen-Addad , Philip N. Klein , Neal E. Young

In political redistricting, the compactness of a district is used as a quantitative proxy for its fairness. Several well-established, yet competing, notions of geographic compactness are commonly used to evaluate the shapes of regions,…

Physics and Society · Physics 2022-02-09 Assaf Bar-Natan , Elle Najt , Zachary Schutzman

The process of legislative redistricting in New Hampshire, along with many other states across the country, was particularly contentious during the 2020 census cycle. In this paper we present an ensemble analysis of the enacted districts to…

Social and Information Networks · Computer Science 2025-09-12 Atticus McWhorter , Daryl DeFord