Comments for Annoying Precision
http://qchu.wordpress.com
"A good stack of examples, as large as possible, is indispensable for a thorough understanding of any concept, and when I want to learn something new, I make it my first job to build one." - Paul HalmosSat, 15 Nov 2014 00:56:41 +0000hourly1http://wordpress.com/Comment on The Picard groups by Qiaochu Yuan
http://qchu.wordpress.com/2014/10/19/the-picard-groups/#comment-4757
Sat, 15 Nov 2014 00:56:41 +0000http://qchu.wordpress.com/?p=15733#comment-4757Ah, thanks. I was originally using D but switched to R after revising the post a bit.
]]>Comment on The Picard groups by Martin
http://qchu.wordpress.com/2014/10/19/the-picard-groups/#comment-4755
Fri, 14 Nov 2014 02:41:04 +0000http://qchu.wordpress.com/?p=15733#comment-4755Great stuff! Typo in the proof of the first proposition of Ideal Class Group section: “lands in $D\subseteq K$” should read $R\subseteq K$.
]]>Comment on Five proofs that the Euler characteristic of a closed orientable surface is even by State Sums and Geometry by Frank Hellmann | quantumtetrahedron
http://qchu.wordpress.com/2014/10/14/five-proofs-that-the-euler-characteristic-of-a-closed-orientable-surface-is-even/#comment-4746
Tue, 11 Nov 2014 19:12:51 +0000http://qchu.wordpress.com/?p=15937#comment-4746[…] Five proofs that the Euler characteristic of a closed orientable surface is even […]
]]>Comment on Coxeter groups by artusartos
http://qchu.wordpress.com/2010/06/26/coxeter-groups/#comment-4744
Tue, 11 Nov 2014 01:56:26 +0000http://qchu.wordpress.com/?p=5182#comment-4744Thanks :)
]]>Comment on Poisson algebras and the classical limit by Constructing Poisson algebras | Annoying Precision
http://qchu.wordpress.com/2011/08/14/poisson-algebras-and-the-classical-limit/#comment-4743
Mon, 10 Nov 2014 21:27:13 +0000http://qchu.wordpress.com/?p=7983#comment-4743[…] Poisson algebras and the classical limit Morality […]
]]>Comment on Reading Recommendations by ashwin1729
http://qchu.wordpress.com/reading-recommendations/#comment-4736
Wed, 05 Nov 2014 10:54:57 +0000http://qchu.wordpress.com/?page_id=13919#comment-4736It would be great if you can refine the list!
]]>Comment on Hypersurfaces, 4-manifolds, and characteristic classes by Qiaochu Yuan
http://qchu.wordpress.com/2014/06/16/hypersurfaces-4-manifolds-and-characteristic-classes/#comment-4732
Mon, 03 Nov 2014 21:21:31 +0000http://qchu.wordpress.com/?p=15433#comment-4732Right, I also need to check that the signature is not equal to minus the rank. Let me fix that.
]]>Comment on Hypersurfaces, 4-manifolds, and characteristic classes by Kevin Carlson
http://qchu.wordpress.com/2014/06/16/hypersurfaces-4-manifolds-and-characteristic-classes/#comment-4731
Mon, 03 Nov 2014 20:57:01 +0000http://qchu.wordpress.com/?p=15433#comment-4731That’s an impressive computation! One complaint, I think: you say that for $d\geq 2$ the signature is nonpositive, and thus the form is indefinite. But this hasn’t ruled out a negative definite form, right? Seems better to just check that $b_2(d)-\sigma(d)$ only has the one integral zero.
]]>Comment on Five proofs that the Euler characteristic of a closed orientable surface is even by The Picard groups | Annoying Precision
http://qchu.wordpress.com/2014/10/14/five-proofs-that-the-euler-characteristic-of-a-closed-orientable-surface-is-even/#comment-4707
Mon, 20 Oct 2014 06:26:47 +0000http://qchu.wordpress.com/?p=15937#comment-4707[…] « Five proofs that the Euler characteristic of a closed orientable surface is even […]
]]>Comment on Hypersurfaces, 4-manifolds, and characteristic classes by Five proofs that the Euler characteristic of a closed orientable surface is even | Annoying Precision
http://qchu.wordpress.com/2014/06/16/hypersurfaces-4-manifolds-and-characteristic-classes/#comment-4688
Tue, 14 Oct 2014 23:44:29 +0000http://qchu.wordpress.com/?p=15433#comment-4688[…] « Hypersurfaces, 4-manifolds, and characteristic classes […]
]]>