Time-reversibility and nonvanishing Lévy area

被引:0
|
作者
Gottwald, Georg A. [1 ]
Melbourne, Ian [2 ]
机构
[1] Univ Sydney, Sch Math & Stat, Sydney, NSW 2006, Australia
[2] Univ Warwick, Math Inst, Coventry CV4 7AL, England
关键词
stochastic integrals; Wong-Zakai approximation; homogenisation; deterministic fast-slow systems; LEVY AREA; DRIFT;
D O I
10.1088/1361-6544/ad4947
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We give a complete description and clarification of the structure of the L & eacute;vy area correction to It & ocirc;/Stratonovich stochastic integrals arising as limits of time-reversible deterministic dynamical systems. In particular, we show that time-reversibility forces the L & eacute;vy area to vanish only in very specific situations that are easily classified. In the absence of such obstructions, we prove that there are no further restrictions on the L & eacute;vy area and that it is typically nonvanishing and far from negligible.
引用
收藏
页数:12
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