Orbits of the Centralizer of a Linear Operator
Journal of Lie Theory, Tome 22 (2012) no. 4, pp. 1039-1048

Voir la notice de l'article provenant de la source Heldermann Verlag

We describe the orbit structure for the action of the centralizer group C(T) of a linear operator T on a finite-dimensional complex vector space V. The main application is to the classification of solutions to a system of first-order ODEs with constant coefficients. We completely describe the lattice structure on the set of orbits and provide a generating function for the number of orbits in each dimension.
Classification : 15A21, 34A30
Mots-clés : Centralizer, classification of solutions, orbit lattice

Paul Best  1   ; Marco Gualtieri  2   ; Patrick Hayden  3

1 Warburg Pincus LLC, London, England
2 Dept. of Mathematics, University of Toronto, Bahen Centre, 40 St. George Street, Toronto M5S 2E4, Canada
3 School of Computer Science, McGill University, Montreal, Canada
Paul Best; Marco Gualtieri; Patrick Hayden. Orbits of the Centralizer of a Linear Operator. Journal of Lie Theory, Tome 22 (2012) no. 4, pp. 1039-1048. http://geodesic.mathdoc.fr/item/JOLT_2012_22_4_a4/
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     title = {Orbits of the {Centralizer} of a {Linear} {Operator}},
     journal = {Journal of Lie Theory},
     pages = {1039--1048},
     year = {2012},
     volume = {22},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2012_22_4_a4/}
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