no. 1
Green functions and spectra on free products of cyclic groups
Annales de l'Institut Fourier, Tome 38 (1988) no. 1, pp. 59-85.

Les fonctions de Green d’un opérateur stochastique sur un produit de groupes cycliques sont évaluées explicitement comme fonctions algébriques. Les spectres sont étudiés par l’argument de la théorie de Morse.

Green functions of a stochastic operator on a free product of cyclic groups are explicitly evaluated as algebraic functions. The spectra are investigated by Morse theoretic argument.

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     title = {Green functions and spectra on free products of cyclic groups},
     journal = {Annales de l'Institut Fourier},
     pages = {59--85},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {38},
     number = {1},
     year = {1988},
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Aomoto, K.; Kato, Y. Green functions and spectra on free products of cyclic groups. Annales de l'Institut Fourier, Tome 38 (1988) no. 1, pp. 59-85. doi : 10.5802/aif.1123. http://archive.numdam.org/articles/10.5802/aif.1123/

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