Abstract: Generalizing the modular and Hecke groups, we consider the subgroup ΙΙ of SL(2; Z[ξ]) generated by the parabolic (1/0 ξ/1) and the elliptic (0/1 (-1)/0)where Z[ξ] is the ring of polynomials in the variable ξ. For Ϛ Є ...

Resumen: Generalizing the modular and Hecke groups, we consider the subgroup ΙΙ of SL(2; Z[ξ]) generated by the parabolic (1/0 ξ/1) and the elliptic (0/1 (-1)/0)where Z[ξ] is the ring of polynomials in the variable ξ. For Ϛ Є ...

Abstract: To study the 3-bridge link using a new form to present links, called butterfly. Up to now, the classification of 3-bridge links has not been realized, and it presents difficulties that contrast with the case of 2-bridges, ...

Resumen: To study the 3-bridge link using a new form to present links, called butterfly. Up to now, the classification of 3-bridge links has not been realized, and it presents difficulties that contrast with the case of 2-bridges, ...

Resumen: La presente ponencia explica la introducción a la noción de invariancia (lineal) en el contexto de las funciones analíticas localmente inyectivas definidas en el disco unidad D del plano complejo C.

Resumen: En este artículo estudiamos el conjunto T de las tripletas (E,A,B), donde E 2 {−1, 1}n, A 2 Zn y B es una matriz antisimétrica de orden n con componentes enteras, n 2 N[{0}. Definimos una relación de equivalencia sobre el ...