25 citations · 25 across the 2 of their papers we have counts for
2 papers
math.GM2026
Higher regularity of solutions of an iterative functional equation
Liang Feng, Xiao Tang
In this paper, we investigate the existence of , , solutions for a class of second-order iterative functional equations involving iterates of the unknown fu…
quant-ph2022★ 25 cited
Imaginary gauge transformation in momentum space and Dirac exceptional point
Jose H. D. Rivero, Liang Feng, Li Ge
An imaginary gauge transformation is at the core of the non-Hermitian skin effect. Here we show that such a transformation can be performed in momentum space as well, which reveals…