Locating the representational baseline: Republicans in Massachusetts

Duchin, Moon; Gladkova, Taissa; Henninger-Voss, Eugene; Klingensmith, Ben; Newman, Heather; Wheelen, Hannah

doi:10.48550/arxiv.1810.09051

Cited by 2 publications

(2 citation statements)

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“…Indeed, one measure arising in contemporary cases, the efficiency gap, is incompatible with proportional representation, while the ensemble sampling methods (correctly, in my view) are orthogonal to proportional representation. In some cases a map that yields proportional-representation outcomes would be licensed by those methods; in others, such as US Congressional districts in Massachusetts, a map yielding proportional representation would be flagged as an extreme outlier [12].…”

Section: Proposition 25 a Two-party Election (With All Districts Of E...mentioning

confidence: 99%

Geometry, inference, complexity, and democracy

Ellenberg

2020

Bull. Amer. Math. Soc.

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Decisions about how the population of the United States should be divided into legislative districts have powerful and not fully understood effects on the outcomes of elections. The problem of understanding what we might mean by "fair districting" intertwines mathematical, political, and legal reasoning; but only in recent years has the academic mathematical community gotten directly involved in the process. Here I report on recent progress in this area, how newly developed mathematical tools have affected real political decisions, and what remains to be done. This survey represents the content of a lecture presented by the author in the Current Events Bulletin session of the Joint Mathematics Meetings in January 2020.

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Section: Proposition 25 a Two-party Election (With All Districts Of E...mentioning

confidence: 99%

Geometry, inference, complexity, and democracy

Ellenberg

2020

Bull. Amer. Math. Soc.

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“…As we have seen, proportional representation is not the aim of any modern measure of electoral fairness, or any claim brought before the court in the 2019 districting cases (It may indeed have been an issue 33 years ago, when Justice O'Connor wrote the words Roberts quotes in her concurrence in Davis v. Bandemer) Indeed, one measure arising in contemporary cases, the efficency gap, is incompatible with proportional representation, while the ensemble sampling methods (correctly, in my view) are orthogonal to proportional representation. In some case a map that yields proportional-representation outcomes would be licensed by those methods; in other cases, like U.S. congressional districts in Massachusetts, a map yielding proportional representation would be flagged as an extreme outlier [11].…”

Section: Efficiency Gapmentioning

confidence: 99%

Geometry, Inference, Complexity, and Democracy

Ellenberg¹

2020

Preprint

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Decisions about how the population of the United States should be divided into legislative districts have powerful and not fully understood effects on the outcomes of elections. The problem of understanding what we might mean by "fair districting" intertwines mathematical, political, and legal reasoning; but only in recent years has the academic mathematical community gotten directly involved in the process. I'll report on recent progress in this area, how newly developed mathematical tools have affected real political decisions, and what remains to be done. This survey represents the content of a lecture presented by the author in the Current Events Bulletin session of the Joint Mathematics Meetings in January 2020.

show abstract

Locating the representational baseline: Republicans in Massachusetts

Cited by 2 publications

References 0 publications

Geometry, inference, complexity, and democracy

Geometry, inference, complexity, and democracy

Geometry, Inference, Complexity, and Democracy

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