Wong–Zakai Approximation for Landau–Lifshitz–Gilbert Equation Driven by Geometric Rough Paths

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Wong–Zakai Approximation for Landau–Lifshitz–Gilbert Equation Driven by Geometric Rough Paths. / Fahim, Kistosil; Hausenblas, Erika; Mukherjee, Debopriya.
in: Applied mathematics & optimization, Jahrgang 84.2021, Nr. December, Suppl.2, 06.08.2021, S. 1685-1730.

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

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@article{c15e5e75b35c4f55bbea44598f81bf7b,
title = "Wong–Zakai Approximation for Landau–Lifshitz–Gilbert Equation Driven by Geometric Rough Paths",
abstract = "We adapt Lyon{\textquoteright}s rough path theory to study Landau–Lifshitz–Gilbert equations (LLGEs) driven by geometric rough paths in one dimension, with non-zero exchange energy only. We convert the LLGEs to a fully nonlinear time-dependent partial differential equation without rough paths term by a suitable transformation. Our point of interest is the regular approximation of the geometric rough path. We investigate the limit equation, the form of the correction term, and its convergence rate in controlled rough path spaces. The key ingredients for constructing the solution and its corresponding convergence results are the Doss–Sussmann transformation, maximal regularity property, and the geometric rough path theory.",
author = "Kistosil Fahim and Erika Hausenblas and Debopriya Mukherjee",
note = "Publisher Copyright: {\textcopyright} 2021, The Author(s).",
year = "2021",
month = aug,
day = "6",
doi = "10.1007/s00245-021-09808-1",
language = "English",
volume = "84.2021",
pages = "1685--1730",
journal = "Applied mathematics & optimization",
issn = "1432-0606",
publisher = "Springer US",
number = "December, Suppl.2",

}

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TY - JOUR

T1 - Wong–Zakai Approximation for Landau–Lifshitz–Gilbert Equation Driven by Geometric Rough Paths

AU - Fahim, Kistosil

AU - Hausenblas, Erika

AU - Mukherjee, Debopriya

N1 - Publisher Copyright: © 2021, The Author(s).

PY - 2021/8/6

Y1 - 2021/8/6

N2 - We adapt Lyon’s rough path theory to study Landau–Lifshitz–Gilbert equations (LLGEs) driven by geometric rough paths in one dimension, with non-zero exchange energy only. We convert the LLGEs to a fully nonlinear time-dependent partial differential equation without rough paths term by a suitable transformation. Our point of interest is the regular approximation of the geometric rough path. We investigate the limit equation, the form of the correction term, and its convergence rate in controlled rough path spaces. The key ingredients for constructing the solution and its corresponding convergence results are the Doss–Sussmann transformation, maximal regularity property, and the geometric rough path theory.

AB - We adapt Lyon’s rough path theory to study Landau–Lifshitz–Gilbert equations (LLGEs) driven by geometric rough paths in one dimension, with non-zero exchange energy only. We convert the LLGEs to a fully nonlinear time-dependent partial differential equation without rough paths term by a suitable transformation. Our point of interest is the regular approximation of the geometric rough path. We investigate the limit equation, the form of the correction term, and its convergence rate in controlled rough path spaces. The key ingredients for constructing the solution and its corresponding convergence results are the Doss–Sussmann transformation, maximal regularity property, and the geometric rough path theory.

U2 - 10.1007/s00245-021-09808-1

DO - 10.1007/s00245-021-09808-1

M3 - Article

VL - 84.2021

SP - 1685

EP - 1730

JO - Applied mathematics & optimization

JF - Applied mathematics & optimization

SN - 1432-0606

IS - December, Suppl.2

ER -