kws: surface N_3 surface, Stiefel-Whitney surface, superficie de Stiefel-Whitney, Juan Manuel Marquez Bobadilla, Juan Marquez, kid, JMMB, vaquero, mathematician, trigenus, trigénero, topology, topología, low dimensional topology, three-manifold, tres-variedad, surface-bundle, circle-bundle, homeotopía, mapping class group, homeotopy of non-orientable manifolds, abstract embedding, the seven N_3-bundles over the 1-sphere, Universidad de Guadalajara, CIMAT, mathe-mathe, mathe-toon, flecha, TQFT, multilinear, multilineal, covector, banda de mobius, quantum mechanics, matemáticas, tensorólogo, tensor-man, topological end, ends of a group, mathemagizian
Hi, I am a topologist and I will try to pour some of my little knowledge to grow this enterprice...and yes, I am the same as in the wikiversity in spanish.
-  in the Sociedad Matemática Mexicana
-  in the Revista Colombiana de Matemáticas
-  some recent advances on the subjet in spanish (please push entrar como invitado to enter)
I just had learned to solve the Rubik's puzzle and... i firmly believe that this serves to makes u more clever in your 3d intuitions, What do u think?
- I like to wander around my webplaces...