I will talk about a model of (rationalized) equivariant elliptic cohomology via derived algebraic geometry, developed in joint work with Nicolò Sibilla. I will highlight the motivations behind its introduction and the kinds of questions it might help answer.
Links:
[1] http://www.mpim-bonn.mpg.de/de/taxonomy/term/39
[2] http://www.mpim-bonn.mpg.de/de/node/3444
[3] http://www.mpim-bonn.mpg.de/de/TopologySeminar