[PDF][PDF] Recombination: A family of Markov chains for redistricting

D DeFord, M Duchin, J Solomon - Harvard Data Science Review, 2021 - assets.pubpub.org
Redistricting is the problem of partitioning a set of geographic units into a fixed number of
subsets called districts, subject to a list of rules and priorities. These districts are used for …

Fairmandering: A column generation heuristic for fairness-optimized political districting

W Gurnee, DB Shmoys - SIAM Conference on Applied and Computational …, 2021 - SIAM
The American winner-take-all congressional district system empowers politicians to
engineer electoral outcomes by manipulating district boundaries. Existing computational …

Facilitating Compromise in Redistricting with Transfer Distance Midpoints

KW Dobbs, DM King, IG Ludden… - INFORMS Journal on …, 2024 - pubsonline.informs.org
States in the United States redraw their electoral district boundaries every 10 years. This
redistricting process can be contentious and has long-lasting consequences for political …

A Riemannian exponential augmented Lagrangian method for computing the projection robust Wasserstein distance

B Jiang, YF Liu - Advances in Neural Information …, 2023 - proceedings.neurips.cc
Projection robust Wasserstein (PRW) distance is recently proposed to efficiently mitigate the
curse of dimensionality in the classical Wasserstein distance. In this paper, by equivalently …

The gameability of redistricting criteria

A Becker, D Gold - Journal of Computational Social Science, 2022 - Springer
During decennial redistricting, mapmakers are often instructed to preserve political
subdivisions and prior district cores as much as possible. Political subdivisions can include …

A convergent single-loop algorithm for relaxation of Gromov-Wasserstein in graph data

J Li, J Tang, L Kong, H Liu, J Li, AMC So… - arxiv preprint arxiv …, 2023 - arxiv.org
In this work, we present the Bregman Alternating Projected Gradient (BAPG) method, a
single-loop algorithm that offers an approximate solution to the Gromov-Wasserstein (GW) …

Generalized dimension reduction using semi-relaxed gromov-wasserstein distance

RA Clark, T Needham, T Weighill - arxiv preprint arxiv:2405.15959, 2024 - arxiv.org
Dimension reduction techniques typically seek an embedding of a high-dimensional point
cloud into a low-dimensional Euclidean space which optimally preserves the geometry of …

All you need is resistance: On the equivalence of effective resistance and certain optimal transport problems on graphs

S Robertson, Z Wan, A Cloninger - arxiv preprint arxiv:2404.15261, 2024 - arxiv.org
The fields of effective resistance and optimal transport on graphs are filled with rich
connections to combinatorics, geometry, machine learning, and beyond. In this article we put …

The (homological) persistence of gerrymandering

M Duchin, T Needham, T Weighill - arxiv preprint arxiv:2007.02390, 2020 - arxiv.org
We apply persistent homology, the dominant tool from the field of topological data analysis,
to study electoral redistricting. Our method combines the geographic information from a …

Unsupervised ground metric learning using wasserstein singular vectors

GJ Huizing, L Cantini, G Peyré - International Conference on …, 2022 - proceedings.mlr.press
Defining meaningful distances between samples in a dataset is a fundamental problem in
machine learning. Optimal Transport (OT) lifts a distance between features (the" ground …