We obtain a continuous link between the disk and half-plane cases of Grace's theorem and new, non-circular zero domains that stay invariant under the Schur–Szegő convolution.
On obtient un lien continu entre les cas du disque et du demi-plan dans le théorème de Grace, ainsi que de nouveaux domaines de zéros non cerclés, qui sont invariants par la convolution de Schur–Szegő.
Accepted:
Published online:
Martin Lamprecht 1
@article{CRMATH_2015__353_1_11_0,
author = {Martin Lamprecht},
title = {A continuous link between the disk and half-plane cases of {Grace's} theorem},
journal = {Comptes Rendus. Math\'ematique},
pages = {11--15},
year = {2015},
publisher = {Elsevier},
volume = {353},
number = {1},
doi = {10.1016/j.crma.2014.10.017},
language = {en},
}
Martin Lamprecht. A continuous link between the disk and half-plane cases of Grace's theorem. Comptes Rendus. Mathématique, Volume 353 (2015) no. 1, pp. 11-15. doi: 10.1016/j.crma.2014.10.017
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