1. [AHR] P. Achar, W. Hardesty, and S. Riche, On the Humphreys conjecture on support varieties of tilting modules, preprint arXiv:1707.07740, to appear in Transform. Groups.
2. [AMRW] P. Achar, S. Makisumi, S. Riche, and G. Williamson, Free-monodromic mixed tilting sheaves on flag varieties, preprint arXiv:1703.05843.
3. Koszul duality and semisimplicity of Frobenius;Achar, Pramod N.;Ann. Inst. Fourier (Grenoble),2013
4. Modular perverse sheaves on flag varieties I: tilting and parity sheaves;Achar, Pramod N.;Ann. Sci. \'{E}c. Norm. Sup\'{e}r. (4),2016
5. Modular perverse sheaves on flag varieties, II: Koszul duality and formality;Achar, Pramod N.;Duke Math. J.,2016