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S Jul 21, 2015 at 21:28 history suggested user71046
Added an extra tag appropriate to parabolic Holder spaces
Jul 21, 2015 at 20:27 review Suggested edits
S Jul 21, 2015 at 21:28
Jul 21, 2015 at 19:26 answer added user71046 timeline score: 4
Jul 7, 2012 at 20:31 comment added user24394 Thanks @Andrew. Very useful since my library doesn't stock Friedman unfortunately..
Jul 7, 2012 at 16:23 comment added Andrew @quentinknight a more recent book on Holder space theory in PDE is N. V. Krylov - Lectures on Elliptic and Parabolic Equations in Hölder Spaces books.google.com/…
Jun 27, 2012 at 8:36 comment added user24394 Thanks for the responses. I'll look for that book in the library.
Jun 26, 2012 at 16:41 comment added Otis Chodosh A widely used reference for parabolic PDE is Friedman's "PDE of Parabolic Type" which might be of some help. ams.org/mathscinet-getitem?mr=181836
Jun 26, 2012 at 16:10 comment added YangMills One simple reason why you get a payoff is the following "gain of derivatives" (let's consider the elliptic case, the parabolic case is similar): if $\Delta u=f$ in some domain and $f\in C^k$ it does not follow that $u\in C^{k+2}_{loc}$. However, if $f\in C^{k,\alpha}$ and $0<\alpha<1$, then it does follow that $u\in C^{k+2,\alpha}_{loc}$ by Schauder estimates.
Jun 26, 2012 at 15:38 comment added Willie Wong Considering how much of PDE theory concerns finding suitable function spaces to use for a given equation, I doubt that there's any easy answer to "how do I know which function spaces to use" besides (a) experience (someone else used it and it worked) and (b) extreme cleverness (sadly, nothing that I am qualified to explain), plus a small dose of scaling considerations.
Jun 26, 2012 at 15:06 history asked user24394 CC BY-SA 3.0