ListarMatemática por tema "Asymptotic expansion"

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    • Asymptotic expansion of the invariant measure for ballistic random walk in the low disorder regime 

      Campos Fernández, José David; Ramírez Chuaqui, Alejandro Francisco (2015)
      We consider a random walk in random environment in the low disorder regime on Zd. That is, the probability that the random walk jumps from a site x to a nearest neighboring site x+e is given by p(e)+ǫξ(x,e), where p(e) is ...

    • On the Ramanujan–Lodge harmonic number expansion 

      Mortici, Cristinel; Villarino Bertram, Mark (2015-01-15)
      The aim of this paper is to extend and refine the Ramanujan–Lodge harmonic number expansion into negative powers of a triangular number. We construct a faster asymptotic series and some new sharp inequalities for the ...