2 papers
cs.LG2026
When Local Variance Optimality Is Not Enough: RoPE-Aligned Q/K Rotations for Dynamic 4-Bit Quantisation
Shuhan Wang, Yilin Luo, Nan Xu +1
Rotation-based post-training quantisation commonly applies an orthogonal transform across an entire attention head to reduce outlier-induced error. RoPE instead partitions each hea…
math.FA2026
On the Dilation Theory and Canonical Decomposition of -Contractions
Aparna Gupta, Avijit Pal, Bhaskar Paul
This paper studies the domain from the perspective of operator theory. We obtain several characterizations of -contractions (respectively, -uni…