56 citations · 63 across the 7 of their papers we have counts for
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gr-qc2011★ 1 cited
Gödel's universe and the chronology protection conjecture
P. Pitanga
We present a solution for the geodesic motion in Gödel's universe that provides a particular proof of Hawking's chronology protection conjecture in three-dimensional gravity theory…
math-ph2011★ 2 cited
Projection Methods for some Constrained Systems
Paulo Pitanga, Paulo R. Rodrigues
This article is concerned with a geometric tool given by a pair of projector operators defined by almost product structures on finite dimensional manifolds, polarized by a distribu…
gr-qc2011
Non-Holonomic Connections Following Élie Cartan
Jair Koiller, Paulo R. Rodrigues, Paulo Pitanga
In this note we revisit E. Cartan's address at the 1928 International Congress of Mathematicians at Bologna, Italy. The distributions considered here will be of the same class as t…