2 papers
quant-ph2004
Strong Analytic Controllability for Hydrogen Control Systems
Chunhua Lan, Tzyh-Jong Tarn, Quo-Shin Chi +1
The realization and representation of so(4,2) associated with the hydrogen atom Hamiltonian are derived. By choosing operators from the realization of so(4,2) as interacting Hamilt…
math.DG2004
Isoparametric hypersurfaces with four principal curvatures
Tom Cecil, Quo-Shin Chi, Gary Jensen
Let be an isoparametric hypersurface in the sphere with four distinct principal curvatures. Münzner showed that the four principal curvatures can have at most two distinc…