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p-variation of strong Markov processes

  • Martynas Manstavičius [1]
    1. [1] University of Connecticut

      University of Connecticut

      Town of Mansfield, Estados Unidos

  • Localización: Annals of probability: An official journal of the Institute of Mathematical Statistics, ISSN 0091-1798, Vol. 32, Nº. 3, 1, 2004, págs. 2053-2066
  • Idioma: inglés
  • DOI: 10.1214/009117904000000423
  • Texto completo no disponible (Saber más ...)
  • Resumen
    • Let ξt, t∈[0,T], be a strong Markov process with values in a complete separable metric space (X,ρ) and with transition probability function Ps,t(x,dy), 0≤s≤t≤T, x∈X. For any h∈[0,T] and a>0, consider the function α(h,a)=sup{Ps,t(x,{y:ρ(x,y)≥a}):x∈X,0≤s≤t≤(s+h)∧T}.

      It is shown that a certain growth condition on α(h,a), as a↓0 and h stays fixed, implies the almost sure boundedness of the p-variation of ξt, where p depends on the rate of growth.


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