8 citations · 28 across the 13 of their papers we have counts for
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math.NA2019
On the smallest singular value of multivariate Vandermonde matrices with clustered nodes
Stefan Kunis, Dominik Nagel
We prove lower bounds for the smallest singular value of rectangular, multivariate Vandermonde matrices with nodes on the complex unit circle. The nodes are ``off the grid'', group…
math.AC2019★ 7 cited
Learning algebraic decompositions using Prony structures
Stefan Kunis, Tim Römer, Ulrich von der Ohe
We propose an algebraic framework generalizing several variants of Prony's method and explaining their relations. This includes Hankel and Toeplitz variants of Prony's method for t…