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Error estimates of ...
Error estimates of the backward Euler-Maruyama method for multi-valued stochastic differential equations
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- Eisenmann, Monika (författare)
- Lund University,Lunds universitet,Matematik LTH,Matematikcentrum,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematics (Faculty of Engineering),Centre for Mathematical Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Kovacs, Mihaly, 1977 (författare)
- Pázmány Péter Katolikus Egyetem,Pázmány Péter Catholic University
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- Kruse, R. (författare)
- Martin-Luther-Universität Halle-Wittenberg
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- Larsson, Stig, 1952 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för matematiska vetenskaper,Department of Mathematical Sciences,Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2021-09-14
- 2022
- Engelska.
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Ingår i: Bit Numerical Mathematics. - : Springer Science and Business Media LLC. - 0006-3835 .- 1572-9125. ; 62:3, s. 803-48
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Abstract
Ämnesord
Stäng
- In this paper we derive error estimates of the backward Euler-Maruyama method applied to multi-valued stochastic differential equations. An important example of such an equation is a stochastic gradient flow whose associated potential is not continuously differentiable but assumed to be convex. We show that the backward Euler-Maruyama method is well-defined and convergent of order at least 1/4 with respect to the root-mean-square norm. Our error analysis relies on techniques for deterministic problems developed in Nochetto et al. (Commun Pure Appl Math 53(5):525-589, 2000). We verify that our setting applies to an overdamped Langevin equation with a discontinuous gradient and to a spatially semi-discrete approximation of the stochastic p-Laplace equation.
Ämnesord
- NATURVETENSKAP -- Matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics (hsv//eng)
- NATURVETENSKAP -- Matematik -- Beräkningsmatematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Computational Mathematics (hsv//eng)
- NATURVETENSKAP -- Matematik -- Sannolikhetsteori och statistik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Probability Theory and Statistics (hsv//eng)
- NATURVETENSKAP -- Matematik -- Matematisk analys (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Mathematical Analysis (hsv//eng)
Nyckelord
- Multi-valued stochastic differential equation
- Backward Euler-Maruyama
- method
- Strong convergence
- Discontinuous drift
- Stochastic gradient
- flow
- Holder continuous drift
- Stochastic inclusion equation
- discontinuous drift
- strong-convergence
- multidimensional sdes
- scheme
- time
- rates
- Computer Science
- Mathematics
- Multi-valued stochastic differential equation
- Backward Euler–Maruyama method
- Hölder continuous drift
- Stochastic gradient flow
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- ref (ämneskategori)
- art (ämneskategori)
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