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cs.LG2026
Looped Transformers with Layer Normalization Provably Learn the Power Method
Lyumin Wu, Chenyang Zhang, Yuan Cao
Transformers have achieved remarkable success across a wide range of applications, and a growing body of work suggests that part of their strength comes from their ability to learn…
cs.LG2026
Transformers Efficiently Perform In-Context Logistic Regression via Normalized Gradient Descent
Chenyang Zhang, Yuan Cao
Transformers have demonstrated remarkable in-context learning (ICL) capabilities. The strong ICL performance of transformers is commonly believed to arise from their ability to imp…
cs.LG2026
Transformers Trained via Gradient Descent Can Provably Learn a Class of Teacher Models
Chenyang Zhang, Qingyue Zhao, Quanquan Gu +1
Transformers have achieved great success across a wide range of applications, yet the theoretical foundations underlying their success remain largely unexplored. To demystify the s…