COTHROM applies a Potts Hamiltonian representation of constitutional mandates, MCMC/simulated annealing optimization, and Pareto/MCDA analysis to improve Irish constituency boundaries over existing legal ones in County Cork for proportionality and compactness across weightings.
The Annals of Applied Statistics 17, 3300–3323
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Composite-move Tabu search expands neighborhoods in redistricting optimization by moving minimal connected sets of units identified via graph articulation points, yielding better solutions and efficiency than standard Tabu search.
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Constituency Optimisation Through Hamiltonian Representation Of Mandates (COTHROM): Algorithmic Redistricting of Irish Election Boundaries
COTHROM applies a Potts Hamiltonian representation of constitutional mandates, MCMC/simulated annealing optimization, and Pareto/MCDA analysis to improve Irish constituency boundaries over existing legal ones in County Cork for proportionality and compactness across weightings.
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Fast and Effective Redistricting Optimization via Composite-Move Tabu Search
Composite-move Tabu search expands neighborhoods in redistricting optimization by moving minimal connected sets of units identified via graph articulation points, yielding better solutions and efficiency than standard Tabu search.