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8:36 AM
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Q: A question of the Schrodinger Semigroup --By B. Simon

DLINThe 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
A: Arguments against large cardinals

Andrés E. CaicedoI 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
I actually can read the pdf from the doi link: link.springer.com/content/pdf/10.1007%2F978-1-4020-5764-9.pdf
Is there some reliable way to check whether this is just because I am currently somewhere with subscription or whether it will be displayed for everybody?
Simply trying wget "https://link.springer.com/content/pdf/10.1007/978-1-4020-5764-9.pdf" works for me too.
I think wget does not use proxy by default. But it's possible that the check for subcribers is based on the IP.
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
So in this case people.clas.ufl.edu/wjm/files/covering.pdf seems to be working. Just in case, here is link to Wayback Machine.
I am a bit surprised that Google search for Mitchell "The covering lemma" site:ufl.edu did not return the paper.
 
 
3 hours later…
2:48 PM
seems like an example of a tag which is used for several various meanings.
 

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