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math.NA2022
Approximation and Interpolation of Singular Measures by Trigonometric Polynomials
Paul Catala, Mathias Hockmann, Stefan Kunis +1
Complex signed measures of finite total variation are a powerful signal model in many applications. Restricting to the -dimensional torus, finitely supported measures allow for…
math.AC2022
Truncated moment problems on positive-dimensional algebraic varieties
Markus Wageringel
This manuscript transfers the main aspects of Prony's method from finitely-supported measures to the classes of signed or non-negative measures supported on algebraic varieties of…