Artigos e Materiais de Revistas Científicas - IMECC

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Artigos e Materiais de Revistas Científicas - IMECC

 

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  • CHAVES, Rosa Maria Barreiro; SILVA, Marcio F. da; PEDROSA, Renato H. L. (Estados UnidosPACIFIC JOURNAL MATHEMATICS, 2010)
    We investigate the isoperimetric problem of finding the regions of prescribed volume with minimal boundary area between two parallel horospheres in hyperbolic 3-space (the part of the boundary contained in the horospheres ...
  • COMETS, Francis; POPOV, Serguei; SCHUETZ, Gunter M.; VACHKOVSKAIA, Marina (Estados UnidosSPRINGER, 2009)
    We study stochastic billiards on general tables: a particle moves according to its constant velocity inside some domain D R(d) until it hits the boundary and bounces randomly inside, according to some reflection law. We ...
  • COMETS, Francis; POPOV, Serguei; VACHKOVSKAIA, Marina (Estados UnidosSPRINGER, 2008)
    We study the asymptotic properties of the number of open paths of length n in an oriented rho-percolation model. We show that this number is e(n alpha(rho)(1+o(1))) as n ->infinity. The exponent alpha is deterministic, it ...
  • PAIVA, Francisco Odair de; MASSA, Eugenio (Estados UnidosACADEMIC PRESS INC ELSEVIER SCIENCE, 2008)
    We consider the Dirichlet problem for the equation -Delta u = lambda u +/- (x, u) + h(x) in a bounded domain, where f has a sublinear growth and h is an element of L-2. We find suitable conditions on f and It in order to ...
  • BERTOLIM, M. A.; REZENDE, K. A. de; MANZOLI NETO, O.; VAGO, G. M. (HolandaELSEVIER SCIENCE BV, 2011)
    We generalize results in Cruz and de Rezende (1999) [7] by completely describing how the Beth numbers of the boundary of an orientable manifold vary after attaching a handle, when the homology coefficients are in Z, Q, R ...