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2. Achar, P.: An implementation of the generalized Lusztig-Shoji algorithm. Software available for download from http://www.math.lsu.edu/~pramod/ (2008)
3. Achar, P.: Green functions via hyperbolic localization. Documenta Math. 16, 869–884 (2011)
4. Achar, P., Henderson, A., Riche, S.: Geometric Satake, Springer correspondence, and small representations II. arXiv:1205.5089
5. Achar, P., Sage, D.: Perverse coherent sheaves and the geometry of special pieces in the unipotent variety. Adv. Math. 220, 1265–1296 (2009)