Skip to main content
14 events
when toggle format what by license comment
Mar 3, 2022 at 18:40 history edited GJC20 CC BY-SA 4.0
added 14 characters in body
Feb 8, 2022 at 20:55 history edited GJC20 CC BY-SA 4.0
edited body
Feb 7, 2022 at 19:07 history edited GJC20 CC BY-SA 4.0
added 5 characters in body
Feb 7, 2022 at 18:52 comment added user420828 @GJC20 I think you might refer to the book "The Malliavin Calculus and Related Topics", while the non constant term in front of $W$ makes your problem more complicated...
Feb 7, 2022 at 18:49 history edited GJC20 CC BY-SA 4.0
deleted 39 characters in body
Feb 7, 2022 at 17:03 history edited GJC20 CC BY-SA 4.0
added 206 characters in body
Feb 6, 2022 at 13:23 comment added GJC20 @Philo18 Could you please specify a bit more? I know very few on Malliavin calculus
Feb 6, 2022 at 12:19 comment added user420828 Have you tried the Malliavin calculus?
Feb 6, 2022 at 8:54 history edited GJC20 CC BY-SA 4.0
added 456 characters in body
Feb 4, 2022 at 7:20 comment added GJC20 @ScottArmstrong Thanks a lot for the hint which seems very appealing. I didn't think of that, but the differentiation w.r.t. $\alpha$ may yield the terms $\sigma\partial_{\alpha}\sigma\partial_{xx}g_{\alpha}$ and $\partial_{\alpha}b\partial_{x}g_{\alpha}$ which contain $\partial_{x}g_{\alpha}$ and \partial_{xx}g_{\alpha}. How could we handle these terms by putting them on the right side? I suppose I don't know a priori any estimate on them... Could you please detail your idea by writting down an answer? I do appreciate!
Feb 4, 2022 at 2:40 comment added Scott Armstrong It looks to me like you could differentiate the equation in the variable alpha and get an equation for $\partial_\alpha g_\alpha$, with some terms that you can throw on the right side. It that looks to me like it should be relatively ok. Presumably you could get a bound in L^1 for this function, especially if you only want an estimate only up to a fixed finite time $T$. Did you try that?
Feb 3, 2022 at 6:41 history edited GJC20 CC BY-SA 4.0
added 91 characters in body
Feb 3, 2022 at 6:17 history edited GJC20 CC BY-SA 4.0
added 2 characters in body
Feb 1, 2022 at 21:39 history asked GJC20 CC BY-SA 4.0