3 papers
math.AP2023
On an inverse problem for the plate equation with passive measurement
Yixian Gao, Hongyu Liu, Yang Liu
This paper focuses on an inverse problem associated with the plate equation which is derived from models in fluid mechanics and elasticity. We establish the unique identifying resu…
math.DG2022
On Helical Surfaces with a Constant Ratio of Principal Curvatures
Yang Liu, Olimjoni Pirahmad, Hui Wang +2
We determine all helical surfaces in three-dimensional Euclidean space which possess a constant ratio of principal curvatures (CRPC surfaces), thus providing the first…
math.RA2012
Skew -Derivations on Semiprime Rings
Xiaowei Xu, Yang Liu, Wei Zhang
For a ring with an automorphism , an -additive mapping is called a skew -derivation with respect to if it is always a…