Stochastic reaction-diffusion systems with multiplicative noise and non-Lipschitz reaction term |
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Authors: | Sandra Cerrai |
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Institution: | (1) Dipartimento di Matematica per le Decisioni, Università di Firenze, Via C. Lombroso 6/17, I-50134 Firenze, Italy. e-mail: s.cerrai@sns.it, IT |
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Abstract: | We study existence and uniqueness of a mild solution in the space of continuous functions and existence of an invariant measure for a class of reaction-diffusion systems
on bounded domains of ℝ
d
, perturbed by a multiplicative noise. The reaction term is assumed to have polynomial growth and to be locally Lipschitz-continuous
and monotone. The noise is white in space and time if d=1 and coloured in space if d>1; in any case the covariance operator is never assumed to be Hilbert-Schmidt. The multiplication term in front of the noise
is assumed to be Lipschitz-continuous and no restrictions are given either on its linear growth or on its degenaracy. Our
results apply, in particular, to systems of stochastic Ginzburg-Landau equations with multiplicative noise.
Received: 1 November 2001 / Revised version: 17 June 2002 / Published online: 14 November
Mathematics Subject Classification (2000): 60H15, 35R60, 47A35 |
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Keywords: | |
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