Eigenvalue analysis based methods are well suited for the reconstruction of finitely supported measures from their moments up to a certain degree. We give a precise description when Prony’s method succeeds in terms of an interpolation condition. In particular, this allows for the unique reconstruction of a measure from its trigonometric moments whenever its support is separated and also for the reconstruction of a measure on the unit sphere from its moments with respect to spherical harmonics. Both results hold in arbitrary dimensions and also yield a certificate for popular semidefinite relaxations of these reconstruction problems in the nonnegative case.
DOI: 10.5802/smai-jcm.53
Mots-clés : frequency analysis, spectral analysis, exponential sum, moment problem, super-resolution
Stefan Kunis 1; H. Michael Möller 2; Ulrich von der Ohe 3
@article{SMAI-JCM_2019__S5__87_0, author = {Stefan Kunis and H.~Michael M\"oller and Ulrich von der Ohe}, title = {Prony{\textquoteright}s method on the sphere}, journal = {The SMAI Journal of computational mathematics}, pages = {87--97}, publisher = {Soci\'et\'e de Math\'ematiques Appliqu\'ees et Industrielles}, volume = {S5}, year = {2019}, doi = {10.5802/smai-jcm.53}, zbl = {1397.65324}, language = {en}, url = {https://smai-jcm.centre-mersenne.org/articles/10.5802/smai-jcm.53/} }
TY - JOUR AU - Stefan Kunis AU - H. Michael Möller AU - Ulrich von der Ohe TI - Prony’s method on the sphere JO - The SMAI Journal of computational mathematics PY - 2019 SP - 87 EP - 97 VL - S5 PB - Société de Mathématiques Appliquées et Industrielles UR - https://smai-jcm.centre-mersenne.org/articles/10.5802/smai-jcm.53/ DO - 10.5802/smai-jcm.53 LA - en ID - SMAI-JCM_2019__S5__87_0 ER -
%0 Journal Article %A Stefan Kunis %A H. Michael Möller %A Ulrich von der Ohe %T Prony’s method on the sphere %J The SMAI Journal of computational mathematics %D 2019 %P 87-97 %V S5 %I Société de Mathématiques Appliquées et Industrielles %U https://smai-jcm.centre-mersenne.org/articles/10.5802/smai-jcm.53/ %R 10.5802/smai-jcm.53 %G en %F SMAI-JCM_2019__S5__87_0
Stefan Kunis; H. Michael Möller; Ulrich von der Ohe. Prony’s method on the sphere. The SMAI Journal of computational mathematics, Volume S5 (2019), pp. 87-97. doi : 10.5802/smai-jcm.53. https://smai-jcm.centre-mersenne.org/articles/10.5802/smai-jcm.53/
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