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cs.IR2026
Pathwise Alignment for Collaborative Filtering: Bilateral Conditional Flow Regularization
Zhiwei Li, Guodong Long, Chengqi Zhang +1
Collaborative filtering predicts user-item interactions from implicit feedback. We focus on matrix factorization (MF) trained with the Bayesian Personalized Ranking loss. This loss…
math.AP2026
Global theory for NLS in the weighted spaces I: finite pseudo conformal energy
Yujin Guo, Jia Shen, Changping Yang
We intend to prove that for defocusing nonlinear Schrödinger equations, solutions with finite pseudo conformal energy must be global and scatter. This fact is first proved by Bourg…