14 citations · 87 across the 38 of their papers we have counts for
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math.NA2002★ 1 cited
Functions from to : a study in nonlinearity
Nicolau C. Saldanha, Carlos Tomei
We study the geometry of functions from the plane to the plane. For a large special class we are able to count preimages and compute them. Both numerical and theoretical aspects ar…
math.RA2002
Slices of matrices - a scenario for spectral theory
Ricardo S. Leite, Carlos Tomei
Given a real, symmetric matrix S, we define the slice through S as being the connected component containing S of two orbits under conjugation: the first by the orthogonal group, an…
math.CO2002★ 1 cited
The kernel of the adjacency matrix of a rectangular mesh
Carlos Tomei, Tania Vieira
Given an m x n rectangular mesh, its adjacency matrix A, having only integer entries, may be interpreted as a map between vector spaces over an arbitrary field K. We describe the k…