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S.-M. Ma, J. Ma, Y.-N. Yeh, R.R. Zhou, Jacobian elliptic functions and a family of bivariate peak polynomials, European J. Combin., 97 (2021), 103371.
Z. Lin, J. Ma, S.-M. Ma, Y. Zhou, Weakly increasing trees on a multiset, Advances in applied mathematics, 129 (2021), 102206.
S.-M. Ma, J. Ma, J. Yeh, Y.-N. Yeh, The 1/k-Eulerian polynomials of type B, Electron. J. Combin., 27(3) (2020), P3.27.
S.-M. Ma, J. Ma, Y.-N. Yeh, David-Barton type identities and alternating run polynomials, Advances in applied mathematics, 114 (2020), 101978.
S.-M. Ma, T. Mansour, D.G.L. Wang, Y.-N. Yeh, Several variants of the Dumont differential system and permutation statistics, Sci. China Math., 62(10) (2019), 2033-2052.
S.-M. Ma, J. Ma, Y.-N. Yeh, Gamma-positivity and partial gamma-positivity of descent-type polynomials, Journal of combinatorial theory, Series A, 167 (2019), 257-293.
T.-W. Chao, J. Ma, S.-M. Ma, Y.-N. Yeh, 1/k-Eulerian polynomials and k-inversion sequences, Electr. J. Combin., 26(3) (2019), P3.35.
S.-M. Ma, J. Ma, Y.-N. Yeh, The ascent-plateau statistics on Stirling permutations, Electron. J. Combin., 26(2) (2019), #P2.5.
S.-M. Ma, J. Ma, Y.-N. Yeh, On certain combinatorial expansions of the Legendre-Stirling numbers, Electron. J. Combin., 25(4) (2018), P4.57.
G.-H. Duh, Y.-C. R Lin, S.-M. Ma, Y.-N. Yeh , Some statistics on Stirling permutations and Stirling derangements, Discrete Math., 341 (2018), 2478-2484.
S.-M. Ma, J. Ma, Y.-N. Yeh, B.-X. Zhu, Context-free grammars for several polynomials associated with Eulerian polynomials, Electron. J. Combin., 25(1) (2018), P1.31.
A. Knopfmacher, S.-M. Ma, T. Mansour, and S. Wagner, Geometrically distributed Stirling words and Stirling compositions, J. Math. Anal. Appl., 460(1) (2018), 98-120.
S.-M. Ma, Y.-N. Yeh. Eulerian polynomials, Stirling permutations of the second kind and perfect matchings, Electron. J. Combin., 24(4) (2017), P4.27.
J. Ma, S.-M. Ma, Y.-N. Yeh, X. Zhu, The cycle descent statistic on permutations, Electron. J. Combin., 23(4) (2016), P4.20.
S.-M. Ma, Y.-N. Yeh, The peak statistics on simsun permutations, Electron. J. Combin., 23(2) (2016), P2.14.
S.-M. Ma, Y.-N. Yeh, Enumeration of permutations by number of alternating descents, Discrete Math., 339 (2016), 1362-1367.
S.-M. Ma, T. Mansour, Pattern restricted Stirling k-ary words, the plateau statistic and the kernel method, Discrete Appl. Math., 206 (2016), 100-108.
S.-M. Ma, Y.-N. Yeh, Stirling permutations, cycle structure of permutations and perfect matchings, Electron. J. Combin., 22(4) (2015), P4.43.
D. Callan, S.-Mei Ma, T. Mansour, Some combinatorial arrays related to the Lotka-Volterra system, Electron. J. Combin., 22(2) (2015), P2.22.
S.-M. Ma, T. Mansour, The 1/k-Eulerian polynomials and k-Stirling permutations, Discrete Math., 338 (2015), 1468-1472.
R.A. Brualdi, S-M. Ma, Enumeration of involutions by descents and symmetric matrices, European J. Combin., 43 (2015), 220-228.
C.-O. Chow, S-M. Ma, Counting signed permutations by their alternating runs, Discrete Math., 323 (2014), 49-57.
S.-M. Ma, Enumeration of permutations by number of alternating runs, Discrete Math., 313 (18) (2013), 1816–1822.
S.-M. Ma, Some combinatorial arrays generated by context-free grammars, European J. Combin., 34(7) (2013), 1081–1091.
S.-M. Ma, A family of two-variable derivative polynomials for tangent and secant, Electron. J. Combin., 20(1) (2013), P11.
S.-M. Ma, An explicit formula for the number of permutations with a given number of alternating runs, Journal of combinatorial theory, Series A, 119 (2012), 1660-1664.
S.-M. Ma, Derivative polynomials and enumeration of permutations by number of interior and left peaks, Discrete Math., 312 (2012), 405-412.