Frenkel-Gross' irregular connection and Heinloth-Ng\^o-Yun's are the   same
  We show that the irregular connection on G_m constructed by Frenkel-Gross (2009) and the one constructed by Heinloth-Ng\^o-Yun (2013) are the same, which confirms a conjecture of the latter author's. 
Xinwen Zhu
math.RT math.AG