no code implementations • 6 Jan 2021 • Alexander Belton, Dominique Guillot, Apoorva Khare, Mihai Putinar
Hirschman and Widder introduced a class of P\'olya frequency functions given by linear combinations of one-sided exponential functions.
Classical Analysis and ODEs Numerical Analysis Numerical Analysis Probability 15B48 (primary), 05E05, 15A15, 30C40, 44A10, 47B34 (secondary)
no code implementations • 19 Oct 2018 • Edouard Pauwels, Mihai Putinar, Jean-Bernard Lasserre
Spectral features of the empirical moment matrix constitute a resourceful tool for unveiling properties of a cloud of points, among which, density, support and latent structures.
1 code implementation • 18 Oct 2017 • Milan Korda, Mihai Putinar, Igor Mezić
We also show how to compute, from measured data, the spectral projection on a given segment of the unit circle, allowing us to obtain a finite-dimensional approximation of the operator that explicitly takes into account the point and continuous parts of the spectrum.
Dynamical Systems Numerical Analysis Spectral Theory