Showing 2024Show all
2 papers · 1 filter
math.CO2024
Stability of ranks under field extensions
Qiyuan Chen, Ke Ye
This paper studies the stability of tensor ranks under field extensions. Our main contributions are fourfold: (1) We prove that the analytic rank is stable under field extensions.…
cs.CC2024
A quasi-optimal lower bound for skew polynomial multiplication
Qiyuan Chen, Ke Ye
We establish a lower bound for the complexity of multiplying two skew polynomials. The lower bound coincides with the upper bound conjectured by Caruso and Borgne in 2017, up to a…