18 citations · 18 across the 9 of their papers we have counts for
Showing 2024Show all
2 papers · 1 filter
gr-qc2024
Two distinct types of echoes in compact objects
Shui-Fa Shen, Kai Lin, Tao Zhu +3
In the black hole perturbation theory framework, two different physical pictures for echoes in compact objects have been proposed. The first mechanism interprets echoes as repeated…
gr-qc2024
Matrix method and the suppression of Runge's phenomenon
Shui-Fa Shen, Wei-Liang Qian, Jie Zhang +3
Higher-degree polynomial interpolations carried out on uniformly distributed nodes are often plagued by {\it overfitting}, known as Runge's phenomenon. This work investigates Runge…