[go: up one dir, main page]

Kybernetika 47 no. 1, 123-143, 2011

Stochastic fuzzy differential equations with an application

Marek T. Malinowski and Mariusz Michta

Abstract:

In this paper we present the existence and uniqueness of solutions to the stochastic fuzzy differential equations driven by Brownian motion. The continuous dependence on initial condition and stability properties are also established. As an example of application we use some stochastic fuzzy differential equation in a model of population dynamics.

Keywords:

fuzzy random variable, fuzzy stochastic process, fuzzy stochastic Lebesgue--Aumann integral, fuzzy stochastic It\^o integral, stochastic fuzzy differential equation, stochastic fuzzy integral equation

Classification:

60H05, 60H10, 60H30, 03E72

References:

  1. R. J. Aumann: Integrals of set-valued functions. J. Math. Anal. Appl. {\it 12} (1965), 1-12.   CrossRef
  2. A. Colubi, J. S. Dom\'{\i}nguez-Menchero, M. L\'opez-D\'{\i}az and D. A. Ralescu: A $D_E[0,1]$ representation of random upper semicontinuous functions. Proc. Amer. Math. Soc. {\it 130} (2002) 3237-3242.   CrossRef
  3. P. Diamond and P. Kloeden: Metric Spaces of Fuzzy Sets: Theory and Applications. World Scientific, Singapore 1994.   CrossRef
  4. W. Fei: Existence and uniqueness of solution for fuzzy random differential equations with non-Lipschitz coefficients. Inform. Sci. {\it 177} (2007) 4329-4337.   CrossRef
  5. F. Hiai and H. Umegaki: Integrals, conditional expectation, and martingales of multivalued functions. J. Multivar. Anal. {\it 7} (1977), 149-182.   CrossRef
  6. S. Hu and N. Papageorgiou: Handbook of Multivalued Analysis, Volume I: Theory. Kluwer Academic Publishers, Boston 1997.   CrossRef
  7. Sh. Li and A. Ren: Representation theorems, set-valued and fuzzy set-valued It\^o integral. Fuzzy Sets Syst. {\it 158} (2007), 949-962.   CrossRef
  8. C. V. Negoita and D. A. Ralescu: Applications of Fuzzy Sets to System Analysis. Wiley, New York 1975.   CrossRef
  9. M. L. Puri and D. A. Ralescu: Fuzzy random variables. J. Math. Anal. Appl. {\it 114} (1986), 409-422.   CrossRef
  10. M. Stojakovi\'c: Fuzzy conditional expectation. Fuzzy Sets Syst. {\it 52} (1992), 53-60.   CrossRef
  11. J. Zhang: Set-valued stochastic integrals with respect to a real valued martingale. In: Soft Methods for Handling Variability and Imprecision (D. Dubois et al., eds.), Springer, Berlin 2008, pp. 253-259.   CrossRef