- AI · arxiv/cs.LG · 8 min
Admissible Objectives for Hierarchical Clustering Formally Characterized
Tsukuba and Ando extend the theory of objective functions for hierarchical clustering, characterizing when functions recover ground-truth structures and introducing max-type variants.
April 28, 2026 Read → → - AI · arxiv/cs.LG · 8 min
Chromatic Clustering Requires New Algorithms to Match Standard Performance
Adding color constraints to correlation clustering increases computational difficulty; a new coupled approach recovers optimal approximation bounds.
April 20, 2026 Read → →