no code implementations • 16 Jan 2023 • Chaohua Dong, Jiti Gao, Yundong Tu, Bin Peng
Generalized functions incorporate local integrable functions, the so-called regular generalized functions, while the so-called singular generalized functions (e. g. Dirac delta function) can be obtained as the limits of a sequence of sufficient smooth functions, so-called regular sequence in generalized function context.
no code implementations • 3 Nov 2021 • Chaohua Dong, Jiti Gao, Bin Peng, Yundong Tu
This paper proposes a class of parametric multiple-index time series models that involve linear combinations of time trends, stationary variables and unit root processes as regressors.