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#proportional-representation News & Analysis

2 articles tagged with #proportional-representation. AI-curated summaries with sentiment analysis and key takeaways from 50+ sources.

2 articles
AINeutralarXiv – CS AI · Jun 235/10
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Constituency Optimisation Through Hamiltonian Representation Of Mandates (COTHROM): Algorithmic Redistricting of Irish Election Boundaries

Researchers have developed COTHROM, the first computational framework for optimizing Irish electoral redistricting using statistical physics and machine learning algorithms. The system balances multiple constitutional objectives—such as proportional representation and geographic compactness—by treating them as variables in a Hamiltonian function, demonstrating improvements over existing legal boundaries in County Cork.

AINeutralarXiv – CS AI · May 115/10
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Computing Thiele Rules on Interval Elections and their Generalizations

Researchers resolve a long-standing open question in computational social choice by proving that Thiele rules, particularly Proportional Approval Voting, can be computed in polynomial time on the voter interval domain despite the constraint matrix not being totally unimodular. The breakthrough extends to more general domains (VCI and LC) and establishes that the LC domain strictly contains the VCI domain.