Reflections and Three-Dimensionality
Matematičeskie zametki, Tome 73 (2003) no. 6, pp. 848-852
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If the dimension of a linear space is not greater than 3, then the characteristic polynomial of the Coxeter transformation associated with any symmetric matrix is invariant under the natural action of the symmetric group. If the dimensionality is greater than 3, then this statement does not hold. The set of all trees such that the spectrum of their associated Coxeter transformation contains negative one is three-dimensional.
@article{MZM_2003_73_6_a5,
author = {V. A. Kolmykov},
title = {Reflections and {Three-Dimensionality}},
journal = {Matemati\v{c}eskie zametki},
pages = {848--852},
publisher = {mathdoc},
volume = {73},
number = {6},
year = {2003},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/MZM_2003_73_6_a5/}
}
V. A. Kolmykov. Reflections and Three-Dimensionality. Matematičeskie zametki, Tome 73 (2003) no. 6, pp. 848-852. http://geodesic.mathdoc.fr/item/MZM_2003_73_6_a5/