1. Ayyer A., Klee S., Schilling A.: Combinatorial Markov chains on linear extensions. J. Algebr. Combin. 39(4), 853–881 (2014)
2. Almeida, J.: Finite semigroups and universal algebra, Series in Algebra, vol. 3. World Scientific Publishing Co. Inc., River Edge (1994) (Translated from the 1992 Portuguese original and revised by the author)
3. Ayyer, A., Strehl, V.: The spectrum of an asymmetric annihilation process. In: 22nd International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2010), Discrete Math. Theor. Comput. Sci. Proc., AN, pp. 461–472. Assoc. Discrete Math. Theor. Comput. Sci., Nancy (2010)
4. Ayyer, A., Strehl, V.: Stationary distribution and eigenvalues for a de Bruijn process. In: Kotsireas, I.S., Zima, E.V. (eds.) Advances in Combinatorics, pp. 101–120. Springer, Berlin (2013)
5. Ayyer, A., Schilling, A., Steinberg, B., Thiéry, N.M.: $${{\fancyscript{R}}}$$ R -trivial monoids and Markov chains. Int. J. Algebra Comput. (2014, to appear). arXiv:1401.4250