Geodesic
Nonnegativity for Cartan–Tits and Kac–Moody Forms
Matematičeskie zametki, Tome 93 (2013) no. 5, pp. 736-740 Cet article a éte moissonné depuis la source Math-Net.Ru

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Forms generalizing Cartan–Tits and Kac–Moody forms are considered. Necessary conditions for these forms to be nonnegative are found.
Mots-clés : Cartan–Tits form
Keywords: Kac–Moody form, form with average diagonal dominance, nonnegative form, positive form, Coxeter graph. 
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V. A. Kolmykov. Nonnegativity for Cartan–Tits and Kac–Moody Forms. Matematičeskie zametki, Tome 93 (2013) no. 5, pp. 736-740. http://geodesic.mathdoc.fr/item/MZM_2013_93_5_a7/

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