11 Answers votes newest views recent 2Are rational sections of a vector bundle useful? 7Identifying $T^* Bun_G$ with Higgs bundles 7canonical bundle on the stack of G bundles on a curve 5Example of a form linear in infinitely many variables ? 4Are there F_un Lie algebras ? 16Why does bosonic string theory require 26 spacetime dimensions? 5Symplectic structures from Lagrangians? 6What differential operators have Schur polynoms as eigenfunctions ? Can this be deformed to trig. Calogero and Jack polynoms ? 5SL(2,C) Chern-Simons theory in genus 1 7If Lie(G) is semi simple then the moment map exists! 5What is the general statement of Hilbert 90?