In 1983 L. G. Brown introduced a spectral distribution measure for non-normal elements in a nite von Neumann algebra M with respect to a xed normal faithful tracial state. In this paper we computeâ€¦ (More)

We prove that if (a; b) is an R-diagonal pair in some non-commutative probability space (A; ') then (a p ; b p) is R-diagonal too and we compute the determining series f (a p ;b p) in terms of theâ€¦ (More)

Spherical wave expansions are well suited to transform measured near-field data of an antenna to far-field data. In this paper a comparison between techniques for obtaining spherical wave expansionsâ€¦ (More)