Injectivity of Generalized Wronski Maps
Canadian mathematical bulletin, Tome 60 (2017) no. 4, pp. 747-761
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We study linear projections on Plücker space whose restriction to the Grassmannian is a non-trivial branched cover. When an automorphism of the Grassmannian preserves the fibers, we show that the Grassmannian is necessarily of $m$ -dimensional linear subspaces in a symplectic vector space of dimension $2m$ , and the linear map is the Lagrangian involution. The Wronski map for a self-adjoint linear diòerential operator and the pole placement map for symmetric linear systems are natural examples.
Mots-clés :
14M15, 34A30, 93B55, Wronski map, Plücker embedding, curves in Lagrangian Grassmannian, self-adjoint linear differential operator, symmetric linear control system, pole placement map
Huang, Yanhe; Sottile, Frank; Zelenko, Igor. Injectivity of Generalized Wronski Maps. Canadian mathematical bulletin, Tome 60 (2017) no. 4, pp. 747-761. doi: 10.4153/CMB-2017-001-0
@article{10_4153_CMB_2017_001_0,
author = {Huang, Yanhe and Sottile, Frank and Zelenko, Igor},
title = {Injectivity of {Generalized} {Wronski} {Maps}},
journal = {Canadian mathematical bulletin},
pages = {747--761},
year = {2017},
volume = {60},
number = {4},
doi = {10.4153/CMB-2017-001-0},
url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2017-001-0/}
}
TY - JOUR AU - Huang, Yanhe AU - Sottile, Frank AU - Zelenko, Igor TI - Injectivity of Generalized Wronski Maps JO - Canadian mathematical bulletin PY - 2017 SP - 747 EP - 761 VL - 60 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2017-001-0/ DO - 10.4153/CMB-2017-001-0 ID - 10_4153_CMB_2017_001_0 ER -
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