Geodesic
Three proofs and a generalization of the Goulden-Litsyn-Shevelev conjecture on a sequence arising in algebraic geometry
Journal of integer sequences, Tome 10 (2007) no. 3.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: We prove and generalize a conjecture of Goulden, Litsyn, and Shevelev that certain Laurent polynomials related to the solution of a functional equation have only odd negative powers.
Classification : 11B83
Keywords: Laurent polynomial, cohomology rings of moduli spaces, Lagrange inversion 
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     author = {Drake, Brian and Gessel, Ira M. and Xin, Guoce},
     title = {Three proofs and a generalization of the {Goulden-Litsyn-Shevelev} conjecture on a sequence arising in algebraic geometry},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
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     number = {3},
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Drake, Brian; Gessel, Ira M.; Xin, Guoce. Three proofs and a generalization of the Goulden-Litsyn-Shevelev conjecture on a sequence arising in algebraic geometry. Journal of integer sequences, Tome 10 (2007) no. 3. http://geodesic.mathdoc.fr/item/JIS_2007__10_3_a0/