Refined analysis yields O(1)-approximation for packing balanced star districts in planar graphs, extending to minor-free and bounded-expansion graphs, plus O(1) results for fixed-radius-k districts and minimum-weight variants.
A pair iscompatibleif the set of selected vertices is identical (P 1 0 =P 2 0 =P 0) and the distance profiles match (ρ1 =ρ 2)
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Packing Compact Subgraphs with Applications to Districting
Refined analysis yields O(1)-approximation for packing balanced star districts in planar graphs, extending to minor-free and bounded-expansion graphs, plus O(1) results for fixed-radius-k districts and minimum-weight variants.