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math-ph2021★ 7 cited
Winding Number Statistics of a Parametric Chiral Unitary Random Matrix Ensemble
Petr Braun, Nico Hahn, Daniel Waltner +2
The winding number is a concept in complex analysis which has, in the presence of chiral symmetry, a physics interpretation as the topological index belonging to gapped phases of f…
math-ph2014★ 11 cited
Eigenvalue Density of the Doubly Correlated Wishart Model: Exact Results
Daniel Waltner, Tim Wirtz, Thomas Guhr
Data sets collected at different times and different observing points can possess correlations at different times at different positions. The doubly correlated Wishart model…