Abstract
At first sight, the notation \( \int {Y\;dX} \) introduced in Chapter 4 is ambiguous since the resulting controlled rough path depends in general on the choices of both the second-order process \( {\mathbb{X}} \) and the derivative process Y′. Fortunately, this “lack of completeness” in our notations is mitigated by the fact that in virtually all situations of interest, Y is constructed by using a small number of elementary operations described in this chapter. For all of these operations, it turns out to be intuitively rather clear how the corresponding derivative process is constructed.
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© 2014 Springer International Publishing Switzerland
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Friz, P.K., Hairer, M. (2014). Operations on controlled rough paths. In: A Course on Rough Paths. Universitext. Springer, Cham. https://doi.org/10.1007/978-3-319-08332-2_7
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DOI: https://doi.org/10.1007/978-3-319-08332-2_7
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Publisher Name: Springer, Cham
Print ISBN: 978-3-319-08331-5
Online ISBN: 978-3-319-08332-2
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