no code implementations • 13 Aug 2021 • Zhihao Xu, Clifford M. Hurvich
A unified frequency domain cross-validation (FDCV) method is proposed to obtain a heteroskedasticity and autocorrelation consistent (HAC) standard error.
no code implementations • 14 Jan 2021 • Zhihao Xu, Shu Chen
We investigate the dynamical evolution of a parity-time ($\mathcal{PT}$) symmetric extension of the Aubry-Andr\'{e} (AA) model, which exhibits the coincidence of a localization-delocalization transition point with a $\mathcal{PT}$ symmetry breaking point.
Disordered Systems and Neural Networks
