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2. Chern–Schwartz–MacPherson classes for Schubert cells in flag manifolds
3. P.Aluffi L. C.Mihalcea J.Schuermann andCh.Su Shadows of characteristic cycles Verma modules and positivity of Chern–Schwartz–MacPherson classes of Schubert cells arXiv:1709.08697 2017.
4. P.Aluffi L. C.Mihalcea J.Schürmann andCh.Su Motivic Chern classes of Schubert cells Hecke algebras and applications to Casselman's problem Annales scientifiques de l'École normale supérieure to appear.
5. The Elementary Theory of Finite Fields