Geodesic
Zolotarev polynomials and reduction of Shabat polynomials into a positive characteristic
Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 6 (2016), pp. 47-51 
D. A. Oganesyan. Zolotarev polynomials and reduction of Shabat polynomials into a positive characteristic. Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 6 (2016), pp. 47-51. http://geodesic.mathdoc.fr/item/VMUMM_2016_6_a7/
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     author = {D. A. Oganesyan},
     title = {Zolotarev polynomials and reduction of {Shabat} polynomials into a positive characteristic},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {47--51},
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     url = {http://geodesic.mathdoc.fr/item/VMUMM_2016_6_a7/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

The paper is focused on the study of Shabat polynomials over fields of different characteristics and their deformation into polynomials with three critical values. Using this deformation, we obtain prime numbers of bad reduction for Shabat polynomials corresponding to trees of diameter 4.

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