62 citations · 280 across the 20 of their papers we have counts for
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gr-qc2009★ 23 cited
Anisotropic singularities in modified gravity models
Michele Ferraz Figueiro, Alberto Saa
We show that the common singularities present in generic modified gravity models governed by actions of the type , with $X= -{1/2}g^{ab}\partial_aϕ\p…
nlin.CD2009★ 15 cited
Relativistic invariance of Lyapunov exponents in bounded and unbounded systems
Adilson E. Motter, Alberto Saa
The study of chaos in relativistic systems has been hampered by the observer dependence of Lyapunov exponents (LEs) and of conditions, such as orbit boundedness, invoked in the int…