Education

• Ph.D. in Mathematics
  Center for Combinatorics, Nankai University,  2007 – 2012

• B.S. in Mathematics
  School of Mathematics, Sichuan University,  2003 – 2007

Preprints

• Yiming Chen, N.J.Y. Fan, Rui Xiong, Ming Yao. Non-vanishing of Single, Double, and Triple Schubert Structure Constants, arXiv:2608.17378

• Yiming Chen, N.J.Y. Fan, Rui Xiong, Ming Yao. Equivariant Schubert Calculus for Inverse Grassmannian Permutations,  arXiv:2607.16797.

• Jinren Dou, N.J.Y. Fan, Kunwen Liu. Lattice-free Schubitopes, arXiv:2605.10016.

• Yiming Chen, N. J. Y. Fan, Rui Xiong, Ming Yao. Bumpless pipe dream fragments—equivariant geometry of clans. arXiv:2511.00980.

• N. J. Y. Fan, P. L. Guo, Changjian Su, Rui Xiong. A Pieri type formula for motivic Chern classes of Schubert cells in Grassmannians. arXiv:2402.04500.

• N. J. Y. Fan, P. L. Guo, S. C. C. Sun. Bumpless pipedreams, reduced word tableaux and Stanley symmetric functions. arXiv:1810.11916.

Publications

• 25.N.J.Y. Fan, P.L. Guo, Rui Xiong, Pieri and Murnaghan--Nakayama type rules for Chern classes of Schubert cells, Selecta Mathematica,  32 (2026) .

• 24.N.J.Y. Fan, P.L. Guo, Changjian Su, Rui Xiong, Chern classes of open projected Richardson varieties and of affine Schubert cells, International Mathematics Research Notices (IMRN), 19(2025), 1–25.

• 23.Yiming Chen, N.J.Y. Fan, Zelin Ye, Zero-one Grothendieck polynomials, Science China Mathematics, 69 (2026), 269–284 .

• 22.N.J.Y. Fan, P.L. Guo, Rui Xiong, Bumpless pipe dreams meet puzzles, Advances in Mathematics, 463 (2025), 110113.

• 21.N.J.Y. Fan, P.L. Guo, N.Y. Liu, Complements of Schubert polynomials, Advances in Applied Mathematics, 157(2024), 102691.

• 20.N.J.Y. Fan, Yao Li, On the Ehrhart polynomial of Schubert matroids, Discrete & Computational Geometry, 71(2024), 587–626.

• 19.N.J.Y. Fan, Changjian Fu, Liangang Peng, Quantized cohomological Hall algebra of the d-loop quiver revisited. Forty years of algebraic groups, algebraic geometry, and representation theory in China—in memory of the centenary year of Xihua Cao's birth, 39–54, East China Norm. Univ. Sci. Rep., 16, World Sci. Publ., Singapore, 2023.

• 18.N.J.Y. Fan, P.L. Guo, Poincaré polynomials of odd diagram classes, SIAM Journal on Discrete Mathematics 36(2022), 2225–2237.

• 17.N.J.Y. Fan, P.L. Guo, Upper bounds of Schubert polynomials, Science China Mathematics,  65(2022), 1319–1330.

• 16.N.J.Y. Fan, P.L. Guo, Vertices of Schubitopes, Journal of Combinatorial Theory, Series A,  177(2021) 105311.

• 15.N.J.Y. Fan, P.L. Guo, Set-valued Rothe tableaux and Grothendieck polynomials,  Advances in Applied Mathematics, 128(2021), 102203.

• 14.N.J.Y. Fan, P.L. Guo, S.C.Y. Peng, S.C.C. Sun, Lattice points in the Newton polytopes of  key polynomials, SIAM Journal on Discrete Mathematics 34(2020), 1281–1289.

• 13.N.J.Y. Fan, P.L. Guo, A note on specializations of Grothendieck polynomials,  Discrete  Mathematics 343(2020) 111877.

• 12.N.J.Y. Fan, Standard Rothe tableaux, Discrete Mathematics 342 (2019) 3182–3193.

• 11.N.J.Y. Fan, P.L. Guo, S.C.C. Sun, Proof of a conjecture of Reiner-Tenner-Yong on barely set-valued tableaux, SIAM Journal on Discrete Mathematics, 33(2019), 189–196.

• 10.N.J.Y. Fan, A.J.X. Guo, On 1234-nesting Kazhdan–Lusztig R-polynomials for the symmetric Group, Communications in Algebra, 46(2018), 644–652.

• 9.N.J.Y. Fan, P.L. Guo, G.L.D. Zhang, On parabolic Kazhdan- Lusztig R-polynomials for the symmetric group, Journal of Pure and Applied Algebra, 221 (2017) 237–250.

• 8.N.J.Y. Fan, L. He, T.X.S. Li, A.F.Y. Zhao, The sorting index and inversion number on order ideals of permutation groups, Discrete Mathematics 339 (2016) 2490–2499.

• 7.N.J.Y. Fan, L. He, On the complete cd-index of Boolean lattices, Electronic Journal of Combinatorics, 22(2) (2015), #P2.45.

• 6.N.J.Y. Fan, L. He, On the non-negativity of the complete cd-index, Discrete Mathematics 228 (2015), 2037–2041.

• 5.W.Y.C. Chen, N.J.Y. Fan, P.L. Guo, A.J.X. Guo, H.H.Y. Huang, M.X.X. Zhong, Combinatorial proof of the inversion formula on the Kazhdan-Lusztig R-Polynomials, Mathematische Zeitschrift 277 (2014), 1017–1025.

• 4.W.Y.C. Chen, N.J.Y. Fan, J.Y.T. Jia, The generating function for the Dirichlet series Lm(s), Mathematics of Computation 81 (2012), 1005-1023.

• 3.W.Y.C. Chen, N.J.Y. Fan, A.F.Y. Zhao, Partitions and partial matchings avoiding neighbor patterns, European Journal of Combinatorics 33 (2012), 491–504.

• 2.W.Y.C. Chen, N.J.Y. Fan, T.X.S. Li, Han's bijection via permutation codes, European Journal of Combinatorics, 32 (2011), 217–225.

• 1.W.Y.C. Chen, N.J.Y. Fan, J.Y.T. Jia, Labeled ballot paths and the Springer numbers, SIAM Journal on Discrete Mathematics 25 (2011), 1530–1546.