74 citations · 632 across the 33 of their papers we have counts for
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gr-qc1995★ 25 cited
Poincare Sections of Hamiltonian Systems
E. S. Cheb-Terrab, H. P. de Oliveira
A set of Maplev R.3 software routines, for plotting 2D/3D projections of Poincaré surfaces-of-section of Hamiltonian dynamical systems, is presented. The package consists of a plot…
gr-qc1995★ 24 cited
Self-Similar Collapse of Conformally Coupled Scalar Fields
H. P. de Oliveira, E. S. Cheb-Terrab, DFT-UERJ +1
A massless scalar field minimally coupled to the gravitational field in a simplified spherical symmetry is discussed. It is shown that, in this case, the solution found by Roberts,…