# Differential equations driven by rough signals.

Revista Matemática Iberoamericana (1998)

- Volume: 14, Issue: 2, page 215-310
- ISSN: 0213-2230

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topLyons, Terry J.. "Differential equations driven by rough signals.." Revista Matemática Iberoamericana 14.2 (1998): 215-310. <http://eudml.org/doc/39555>.

@article{Lyons1998,

abstract = {This paper aims to provide a systematic approach to the treatment of differential equations of the typedyt = Σi fi(yt) dxti where the driving signal xt is a rough path. Such equations are very common and occur particularly frequently in probability where the driving signal might be a vector valued Brownian motion, semi-martingale or similar process.However, our approach is deterministic, is totally independent of probability and permits much rougher paths than the Brownian paths usually discussed. The results here are strong enough to treat the main probabilistic examples and significantly widen the class of stochastic processes which can be used to drive stochastic differential equations. (For a simple example see [10], [1]).We hope our results will have an influence on infinite dimensional analysis on path spaces, loop groups, etc. as well as in more applied situations. Variable step size algorithms for the numerical integration of stochastic differential equations [8] have been constructed as a consequence of these results.},

author = {Lyons, Terry J.},

journal = {Revista Matemática Iberoamericana},

keywords = {Ecuaciones diferenciales estocásticas; Proceso de difusión; Movimiento browniano; stochastic differential equations; rough paths; Brown motion; Gauss and Markov processes; Lie algebras},

language = {eng},

number = {2},

pages = {215-310},

title = {Differential equations driven by rough signals.},

url = {http://eudml.org/doc/39555},

volume = {14},

year = {1998},

}

TY - JOUR

AU - Lyons, Terry J.

TI - Differential equations driven by rough signals.

JO - Revista Matemática Iberoamericana

PY - 1998

VL - 14

IS - 2

SP - 215

EP - 310

AB - This paper aims to provide a systematic approach to the treatment of differential equations of the typedyt = Σi fi(yt) dxti where the driving signal xt is a rough path. Such equations are very common and occur particularly frequently in probability where the driving signal might be a vector valued Brownian motion, semi-martingale or similar process.However, our approach is deterministic, is totally independent of probability and permits much rougher paths than the Brownian paths usually discussed. The results here are strong enough to treat the main probabilistic examples and significantly widen the class of stochastic processes which can be used to drive stochastic differential equations. (For a simple example see [10], [1]).We hope our results will have an influence on infinite dimensional analysis on path spaces, loop groups, etc. as well as in more applied situations. Variable step size algorithms for the numerical integration of stochastic differential equations [8] have been constructed as a consequence of these results.

LA - eng

KW - Ecuaciones diferenciales estocásticas; Proceso de difusión; Movimiento browniano; stochastic differential equations; rough paths; Brown motion; Gauss and Markov processes; Lie algebras

UR - http://eudml.org/doc/39555

ER -

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