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arxiv 0809.2726 v2 pith:7PAZNOAQ submitted 2008-09-16 math-ph math.MP

On the mean density of complex eigenvalues for an ensemble of random matrices with prescribed singular values

classification math-ph math.MP
keywords matricesrandomcomplexdensityeigenvaluesaccordingderivediagonal
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Given any fixed $N \times N$ positive semi-definite diagonal matrix $G\ge 0$ we derive the explicit formula for the density of complex eigenvalues for random matrices $A$ of the form $A=U\sqrt{G}$} where the random unitary matrices $U$ are distributed on the group $\mathrm{U(N)}$ according to the Haar measure.

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