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cs.LG2025
The Complexity of Finding Local Optima in Contrastive Learning
Jingming Yan, Yiyuan Luo, Vaggos Chatziafratis +3
Contrastive learning is a powerful technique for discovering meaningful data representations by optimizing objectives based on , often given as a…
cs.GT2025★ 1 cited
Welfare Approximation in Additively Separable Hedonic Games
Martin Bullinger, Vaggos Chatziafratis, Parnian Shahkar
Partitioning a set of items or agents while maximizing the value of the partition is a fundamental algorithmic task. We study this problem in the specific setting of maximizing…