1. Achar, P.: Perverse coherent sheaves on the nilpotent cone in good characteristic. In: Recent Developments in Lie Algebras, Groups and Representation Theory. Proc. Symp. Pure Math. 86, 1–23 (2012)
2. Achar, P., Hardesty, W., Riche, S.: On the Humphreys conjecture on support varieties of tilting modules, preprint
arXiv:1707.07740
, to appear in Transform. Groups
3. Achar, P., Makisumi, S., Riche, S., Williamson, G.: Koszul duality for Kac–Moody groups and characters of tilting modules, preprint
arXiv:1706.00183
4. Achar, P., Riche, S.: Modular perverse sheaves on flag varieties II: Koszul duality and formality. Duke Math. J. 165, 161–215 (2016)
5. Achar, P., Riche, S.: Modular perverse sheaves on flag varieties III: positivity conditions. Trans. Am. Math. Soc. 370, 447–485 (2018)