8:36 AM
1

The question comes from the paper: B. Simon, Schrodinger Semigroups, Bull. A.M.S., (1982) Vol. 7 (3). On the Theorem C.1.2(subsolution estimate) of the paper, it says that: If $Hu=0$, where $H=-\Delta+V$ for some bounded continuous function $V$. Then $$|u(x)|\leq C\int_{B_r(x)}|u(y)|dy,$$ where...

3 hours later…
11:23 AM
46

I do not know of any active set theorists who think large cardinals are inconsistent. At least, within the realm of cardinals we have seriously studied. [Reinhardt suggested an ultimate axiom of the form "there is a non-trivial elementary embedding $j:V\to V$". Though some serious set theorists...

> William J. Mitchell. The covering lemma. In Handbook of set theory. Vols. 1, 2, 3, Matthew Foreman, and Akihiro Kanamori, eds., pp. 1497–1594, Springer, Dordrecht, 2010. MR2768697.
Too bad Mitchell's paper can't be found at the linked page. — Todd Trimble ♦ 2 days ago
@Todd Oh, yes, the university "reorganized" their pages, and lots of things disappeared as a result. I'll see if I can locate an alternative link. — Andrés E. Caicedo 2 days ago
@ToddTrimble Well, Wayback Machine has some snapshot. I suppose that doi: 10.1007/978-1-4020-5764-9_19 is behind paywall...? — Martin Sleziak 1 min ago
Simply trying wget "https://link.springer.com/content/pdf/10.1007/978-1-4020-5764-9.pdf" works for me too.
And in this specific case, it seems that url does not have to be changed that much: people.clas.ufl.edu/wjm/files/covering.pdf (I simply changed /papers/ to /files.) Anyway, if more discussion on updating dead links is needed, let's continue in chat - so that we do not leave many comments digressing from the topic of the post. — Martin Sleziak 18 secs ago