21 citations · 78 across the 23 of their papers we have counts for
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math.NT2010
A Note on Projecting the Cubic Lattice
N. J. A. Sloane, Vinay A. Vaishampayan, Sueli I. R. Costa
It is shown that, given any (n-1)-dimensional lattice L, there is a vector v in Z^n such that the projection of Z^n onto v^perp is arbitrarily close to L. The problem arises in att…
math.GN2010
A note on quadrangular embedding of Abelian Cayley Graphs
J. E. Strapasson, S. I. R. Costa, M. M. S. Alves
The genus graphs have been studied by many authors, but just a few results concerning in special cases: Planar, Toroidal, Complete, Bipartite and Cartesian Product of Bipartite. We…