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cs.LG2025
Global Minimizers of Sigmoid Contrastive Loss
Kiril Bangachev, Guy Bresler, Iliyas Noman +1
The meta-task of obtaining and aligning representations through contrastive pretraining is steadily gaining importance since its introduction in CLIP and ALIGN. In this paper we th…
math.ST2025
Graph Quasirandomness for Hypothesis Testing of Stochastic Block Models
Kiril Bangachev, Guy Bresler
The celebrated theorem of Chung, Graham, and Wilson on quasirandom graphs implies that if the 4-cycle and edge counts in a graph are both close to their typical number in $\mat…