32 What do loop groups and von Neumann algebras have to do with elliptic cohomology? 2012-07-06T01:01:01.097

19 What is a TMF in topology? 2009-10-11T14:54:45.137

18 What are explicit obstructions to realizability of formal group laws as complex-oriented ring spectra? 2015-04-18T03:46:48.180

18 elliptic curves and group cohomology 2015-12-18T21:20:54.273

17 Virasoro action on the elliptic cohomology 2011-02-15T16:18:05.770

16 Character of parity-twisted supersymmetric VOA module -- question inspired by the Stolz-Teichner program 2012-07-04T13:59:20.943

16 How is an $S^1$-equivariant elliptic cohomology theory affected as we continuously vary the underlying elliptic curve? 2015-06-27T08:03:10.480

15 "High-concept" explanation for proof of a theorem of Ochanine? 2015-12-11T15:18:55.080

13 complex cobordism from formal group laws? 2009-11-12T07:38:33.503

13 What's an example of 2 elliptic curves with the same ground ring s.t. their associated cohomology theories detect different things? 2015-03-29T23:30:51.260

10 Can we construct a Baas-Sullivan presentation of TMF? 2015-06-02T20:42:37.563

8 Elliptic genus for manifolds with boundary 2011-12-02T20:31:48.157

8 Twisted equivariant modular forms? 2015-01-30T01:39:34.573

8 Must we know $MU^*(X)$ in order to compute $Ell^*(X)$? 2015-03-28T04:51:26.597

8 (Pre)orientation vs. formal completion 2017-11-14T05:38:15.100

7 What is an example of a formal group law that is Landweber-exact but not flat? 2015-04-10T05:18:41.890