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In this work, we present uniformly distributed sequences on the
unit sphere, and we show that this property is equivalent to
requiring the sequences to have a low discrepancy. Numerical
integration over the sphere is taken as a direct application, and
the corresponding errors are estimated. Special care is taken in
relating these concepts and properties to those for the euclidean
case. Several examples of uniformly distributed sequences of nodes
(ensembles) are presented.