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Paul Johnson

Lecturer at University of Sheffield

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Top Posts (28) All Questions Answers | Votes Newest

27 how does one understand GRR? (Grothendieck Riemann Roch) Apr 27 '11
25 Nearly all math classes are lecture+problem set based; this seems particularly true at the graduate level. What are some concrete examples of techniques other than the “standard math class” used at the *Graduate* level? Jun 13 '13
20 Products of Conjugacy Classes in S_n Apr 18 '11
16 A natural refinement of the $A_n$ arrangement is to consider all $2^n-1$ hyperplanes given by the sums of the coordinate functions. Have you seen this arrangement? Is it completely intractable? Apr 23 '11
14 Gromov-Witten and integrability. Sep 16 '10
10 An infinite product: combinatorial interpretation Apr 11 '14
8 Virasoro constraints for the generating function of Hurwitz numbers. Sep 16 '10
7 Gromov-Witten and integrability 2. Sep 23 '10
7 a question about Gromov-Witten invariant Dec 8 '09
7 Shuffling decks of cards where not all cards are distinguishable Jun 2 '10
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