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)
Baldi, P., Rossi, M. (2013). On Lévy's Brownian motion indexed by elements of compact groups. COLLOQUIUM MATHEMATICUM, 133(2), 227-236 [10.4064/cm133-2-9].
On Lévy's Brownian motion indexed by elements of compact groups
Rossi, Maurizia
2013
Abstract
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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