On Lévy's Brownian motion indexed by the elements of compact groups
Baldi, Paolo · Rossi, Maurizia
Original · EN
We investigate positive definiteness of the Brownian kernel K(x,y)=1/2(d(x,x₀) + d(y,x₀) - d(x,y)) on a compact group G and in particular for G=SO(n).
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