3 papers
math.NA2020★ 10 cited
Time-frequency representation of nonstationary signals: the IMFogram
Philippe Barbe, Antonio Cicone, Wing Suet Li +1
Iterative filtering methods were introduced around 2010 to improve definitions and measurements of structural features in signal processing. Like many applied techniques, they pres…
math.CO2020
The enumeration of extreme rigid honeycombs
Hari Bercovici, Wing Suet Li
Rigid tree honeycombs were introduced by Knutson, Tao, and Woodward and they were shown by Dykema, Collins, Timotin, and the authors to be sums of extreme rigid honeycombs, with un…
math.FA2015
Intersection theory and the Horn inequalities for invariant subspaces
Hari Bercovici, Wing Suet Li
We provide a direct, intersection theoretic, argument that the Jordan models of an operator of class C_{0}, of its restriction to an invariant subspace, and of its compression to t…