2 papers
astro-ph.CO2019
A New Probe of Gaussianity and Isotropy applied to the CMB Maps
J. Hamann, Q. T. Le Gia, I. H. Sloan +2
We introduce a new mathematical tool (a direction-dependent probe) to analyse the randomness of purported isotropic Gaussian random fields on the sphere. We apply the probe to asse…
math-ph2017
Logarithmic and Riesz Equilibrium for Multiple Sources on the Sphere --- the Exceptional Case
Johann S. Brauchart, Peter D. Dragnev, Edward B. Saff +1
We consider the minimal discrete and continuous energy problems on the unit sphere in the Euclidean space in the presence of an external field due…