255 citations
- Instituto de Estructura de la MateriaES7 papers
- Universidad Nacional Autónoma de MéxicoMX5 papers
- Instituto Superior TécnicoPT3 papers
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- University of CoimbraPT3 papers
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Showing 2010Show all
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math.PR2010
On the multivariate upcrossings index
Clara Viseu, Luísa Pereira, Ana Paula Martins +1
The notion of multivariate upcrossings index of a stationary sequence is introduced and its main properties are derived, namely th…
gr-qc2010
A note on testing pre-inflationary times with gravitational-waves
Carlos Marques Afonso, Alfredo Barbosa Henriques, Paulo Vargas Moniz
A simple inflationary model based on loop quantum cosmology is considered. Within this framework, we show that inflation does not necessarily erase the infor- mation prior to its o…
math.DS2010★ 3 cited
Strong stochastic stability for non-uniformly expanding maps
Jose F. Alves, Helder Vilarinho
We consider random perturbations of discrete-time dynamical systems. We give sufficient conditions for the stochastic stability of certain classes of maps, in a strong sense. This…