Mark Dukes. The sandpile model on the complete split graph, Motzkin words, and tiered parking functions. J. Comb. Theory, Ser. A, 180:105418, 2021. [doi]
@article{Dukes21, title = {The sandpile model on the complete split graph, Motzkin words, and tiered parking functions}, author = {Mark Dukes}, year = {2021}, doi = {10.1016/j.jcta.2021.105418}, url = {https://doi.org/10.1016/j.jcta.2021.105418}, researchr = {https://researchr.org/publication/Dukes21}, cites = {0}, citedby = {0}, journal = {J. Comb. Theory, Ser. A}, volume = {180}, pages = {105418}, }