@article {MR4318812, AUTHOR = {Gao, Yibo and Guo, Joshua and Seetharaman, Karthik and Seidel, Ilaria}, TITLE = {The rank-generating functions of upho posets}, JOURNAL = {Discrete Math.}, FJOURNAL = {Discrete Mathematics}, VOLUME = {345}, YEAR = {2022}, NUMBER = {1}, PAGES = {Paper No. 112629, 14}, MRCLASS = {06A07 (05E05)}, MRNUMBER = {4318812}, MRREVIEWER = {Luca\ Ferrari}, DOI = {10.1016/j.disc.2021.112629}, } @article {MR4546049, AUTHOR = {Yang, Arthur L. B.}, TITLE = {Stanley's conjectures on the {S}tern poset}, JOURNAL = {Discrete Math.}, FJOURNAL = {Discrete Mathematics}, VOLUME = {346}, YEAR = {2023}, NUMBER = {6}, PAGES = {Paper No. 113359, 7}, MRCLASS = {05A15 (06A07)}, MRNUMBER = {4546049}, MRREVIEWER = {Edward\ Early}, DOI = {10.1016/j.disc.2023.113359}, } @article {MR4463221, AUTHOR = {Speyer, David E.}, TITLE = {Proof of a conjecture of {S}tanley about {S}tern's array}, JOURNAL = {J. Integer Seq.}, FJOURNAL = {Journal of Integer Sequences}, VOLUME = {25}, YEAR = {2022}, NUMBER = {6}, PAGES = {Art. 22.6.6, 8}, MRCLASS = {11B37 (05A10 05A15 11B83)}, MRNUMBER = {4463221}, MRREVIEWER = {Olivier\ Rozier}, url={https://cs.uwaterloo.ca/journals/JIS/VOL25/Speyer/speyer5.pdf}, } @misc{Stanleyuphoslide, author={Stanley, Richard P.}, title={From Stern’s Triangle to Upper Homogeneous Posets}, year={2020}, month= apr , url={https://math.mit.edu/~rstan/transparencies/stern-ml.pdf}, } @misc{Hopkinslattice, title={Upho lattices I: examples and non-examples of cores}, author={Sam Hopkins}, year={2024}, eprint={2407.08013}, archivePrefix={arXiv}, primaryClass={math.CO}, url={https://arxiv.org/abs/2407.08013}, } @book {MR1442260, AUTHOR = {Stanley, Richard P.}, TITLE = {Enumerative combinatorics. {V}ol. 1}, SERIES = {Cambridge Studies in Advanced Mathematics}, VOLUME = {49}, NOTE = {With a foreword by Gian-Carlo Rota, Corrected reprint of the 1986 original}, PUBLISHER = {Cambridge University Press, Cambridge}, YEAR = {1997}, PAGES = {xii+325}, MRCLASS = {05-02 (05A15 06-02 11-02)}, MRNUMBER = {1442260}, MRREVIEWER = {Wayne\ M.\ Dymacek}, DOI = {10.1017/CBO9780511805967}, } @article{STANLEY2023103814, title = {Theorems and conjectures on some rational generating functions}, journal = {European Journal of Combinatorics}, pages = {103814}, year = {2023}, doi = {https://doi.org/10.1016/j.ejc.2023.103814}, author = {Stanley, Richard P.}, } @article {MR4432972, AUTHOR = {Hopkins, Sam}, TITLE = {A note on {M}\"{o}bius functions of upho posets}, JOURNAL = {Electron. J. Combin.}, FJOURNAL = {Electronic Journal of Combinatorics}, VOLUME = {29}, YEAR = {2022}, NUMBER = {2}, PAGES = {Paper No. 2.39, 6}, MRCLASS = {06A07 (05A19)}, MRNUMBER = {4432972}, MRREVIEWER = {Kevin\ Iv\'{a}n\ Piterman}, DOI = {10.37236/11084}, } @article {MR1383883, AUTHOR = {Ehrenborg, Richard}, TITLE = {On posets and {H}opf algebras}, JOURNAL = {Adv. Math.}, FJOURNAL = {Advances in Mathematics}, VOLUME = {119}, YEAR = {1996}, NUMBER = {1}, PAGES = {1--25}, MRCLASS = {16W30 (06A07)}, MRNUMBER = {1383883}, MRREVIEWER = {Volkmar\ Welker}, DOI = {10.1006/aima.1996.0026}, } @article {MR1774356, AUTHOR = {Davydov, A. A.}, TITLE = {Totally positive sequences and {$R$}-matrix quadratic algebras}, NOTE = {Algebra, 12}, JOURNAL = {J. Math. Sci. (New York)}, FJOURNAL = {Journal of Mathematical Sciences (New York)}, VOLUME = {100}, YEAR = {2000}, NUMBER = {1}, PAGES = {1871--1876}, MRCLASS = {16S37 (16W30)}, MRNUMBER = {1774356}, MRREVIEWER = {Alexander\ E.\ Polishchuk}, DOI = {10.1007/BF02677498}, } @article {MR0577306, AUTHOR = {Remmers, John H.}, TITLE = {On the geometry of semigroup presentations}, JOURNAL = {Adv. in Math.}, FJOURNAL = {Advances in Mathematics}, VOLUME = {36}, YEAR = {1980}, NUMBER = {3}, PAGES = {283--296}, MRCLASS = {20M05}, MRNUMBER = {577306}, MRREVIEWER = {Peter\ R.\ Jones}, DOI = {10.1016/0001-8708(80)90018-3}, } @book {MR1455373, AUTHOR = {Howie, John M.}, TITLE = {Fundamentals of semigroup theory}, SERIES = {London Mathematical Society Monographs. New Series}, VOLUME = {12}, NOTE = {Oxford Science Publications}, PUBLISHER = {The Clarendon Press, Oxford University Press, New York}, YEAR = {1995}, PAGES = {x+351}, MRCLASS = {20Mxx (20-02)}, MRNUMBER = {1455373}, MRREVIEWER = {P.\ M.\ Higgins}, } @misc{stanley2021theorems, title={Theorems and Conjectures on Some Rational Generating Functions}, author={Richard P. Stanley}, year={2021}, eprint={2101.02131}, archivePrefix={arXiv}, primaryClass={math.CO} } @book {MR0230102, AUTHOR = {Karlin, Samuel}, TITLE = {Total positivity. {V}ol. {I}}, PUBLISHER = {Stanford University Press, Stanford, CA}, YEAR = {1968}, PAGES = {xii+576}, MRCLASS = {46.00 (41.00)}, MRNUMBER = {230102}, MRREVIEWER = {I.\ I.\ Hirschman, Jr.}, } @incollection {MR1110850, AUTHOR = {Stanley, Richard P.}, TITLE = {Log-concave and unimodal sequences in algebra, combinatorics, and geometry}, BOOKTITLE = {Graph theory and its applications: {E}ast and {W}est ({J}inan, 1986)}, SERIES = {Ann. New York Acad. Sci.}, VOLUME = {576}, PAGES = {500--535}, PUBLISHER = {New York Acad. Sci., New York}, YEAR = {1989}, MRCLASS = {05E15 (05E10 20C15 52B20)}, MRNUMBER = {1110850}, MRREVIEWER = {L.\ Bruce\ Richmond}, DOI = {10.1111/j.1749-6632.1989.tb16434.x}, } @book{Borodin_Olshanski_2016, place={Cambridge}, series={Cambridge Studies in Advanced Mathematics}, title={Representations of the Infinite Symmetric Group}, publisher={Cambridge University Press}, author={Borodin, Alexei and Olshanski, Grigori}, year={2016}, collection={Cambridge Studies in Advanced Mathematics} } @article{edrei51, ISSN = {00278424, 10916490}, URL = {http://www.jstor.org/stable/88409}, author = {Michael Aissen and Albert Edrei and I. J. Schoenberg and Anne Whitney}, journal = {Proceedings of the National Academy of Sciences of the United States of America}, number = {5}, pages = {303--307}, publisher = {National Academy of Sciences}, title = {On the Generating Functions of Totally Positive Sequences}, urldate = {2024-08-12}, volume = {37}, year = {1951} } @article{salem1944power, title={Power series with integral coefficients}, author={Salem, Rapha{\"e}l}, journal={Duke Mathematical Journal}, volume={12}, number={1}, pages={153--172}, year={1945}, publisher={Duke University Press} }