Eduardo Loría Díaz


This paper is a theoretical description of the conception of lnternational development and the failure of its function duríng the past 30 years. It mentions that the patterns o fthe old concepts have ... ver más

El misterio solitónico

Máximo A. Agüero Granados, Juan Martínez Ortiz


On the vertical rotation of a sand heap

Abraham Medina, Erick Luna, Cesar Treviño
This work is a phenomenological attempt to predict the dynamic response of a sandheap due to rotation about its vertical axis. We have made experiments and we've developed a model in order to describe ... ver más

El siglo de Sor Juana

Lorena Paz Valderrábano Bernal