{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,30]],"date-time":"2026-05-30T02:10:27Z","timestamp":1780107027883,"version":"3.54.0"},"reference-count":18,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000893","name":"Simons Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000893","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["European Journal of Combinatorics"],"published-print":{"date-parts":[[2026,7]]},"DOI":"10.1016\/j.ejc.2026.104392","type":"journal-article","created":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T19:39:35Z","timestamp":1778096375000},"page":"104392","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"special_numbering":"C","title":["Unimodality and cluster algebras from surfaces"],"prefix":"10.1016","volume":"136","author":[{"given":"Wonwoo","family":"Kang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyeongjun","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eunsung","family":"Lim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ejc.2026.104392_b1","first-page":"381","article-title":"Hodge theory for combinatorial geometries","author":"Adiprasito","year":"2018","journal-title":"Annals Math. Second Series"},{"key":"10.1016\/j.ejc.2026.104392_b2","series-title":"Skein relations for punctured surfaces","author":"Esther","year":"2024"},{"key":"10.1016\/j.ejc.2026.104392_b3","first-page":"647","article-title":"Dual teichm\u00fcller and lamination spaces","volume":"vol. 1","author":"Fock","year":"2007"},{"key":"10.1016\/j.ejc.2026.104392_b4","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1007\/s11511-008-0030-7","article-title":"Cluster algebras and triangulated surfaces. I. Cluster complexes","volume":"201","author":"Fomin","year":"2008","journal-title":"Acta Mater."},{"key":"10.1016\/j.ejc.2026.104392_b5","first-page":"v+97","article-title":"Cluster algebras and triangulated surfaces part II: Lambda lengths","volume":"255","author":"Fomin","year":"2018","journal-title":"Mem. Amer. Math. Soc"},{"key":"10.1016\/j.ejc.2026.104392_b6","doi-asserted-by":"crossref","first-page":"112","DOI":"10.1112\/S0010437X06002521","article-title":"Cluster algebras. iv. coefficients","volume":"143","author":"Fomin","year":"2007","journal-title":"Compos. Math."},{"key":"10.1016\/j.ejc.2026.104392_b7","doi-asserted-by":"crossref","first-page":"497","DOI":"10.1090\/S0894-0347-01-00385-X","volume":"15","author":"Fomin","year":"2002","journal-title":"Found. J. Amer. Math. Soc."},{"key":"10.1016\/j.ejc.2026.104392_b8","first-page":"325","article-title":"Introduction to cluster algebras","volume":"vol. 12","author":"Glick","year":"2017"},{"issue":"2","key":"10.1016\/j.ejc.2026.104392_b9","doi-asserted-by":"crossref","first-page":"497","DOI":"10.1090\/jams\/890","article-title":"Canonical bases for cluster algebras","volume":"31","author":"Gross","year":"2018","journal-title":"J. Amer. Math. Soc."},{"key":"10.1016\/j.ejc.2026.104392_b10","article-title":"q-Deformed rationals and q-continued fractions","volume":"55","author":"Morier-Genoud","year":"2020","journal-title":"Forum Math. Sigma."},{"key":"10.1016\/j.ejc.2026.104392_b11","doi-asserted-by":"crossref","first-page":"2241","DOI":"10.1016\/j.aim.2011.04.018","article-title":"Positivity for cluster algebras from surfaces","volume":"227","author":"Musiker","year":"2011","journal-title":"Adv. Math."},{"key":"10.1016\/j.ejc.2026.104392_b12","series-title":"Arc representations","author":"nguez","year":"2017"},{"key":"10.1016\/j.ejc.2026.104392_b13","doi-asserted-by":"crossref","first-page":"1141","DOI":"10.1007\/s00026-023-00683-x","article-title":"Chainlink polytopes and ehrhart equivalence","volume":"28","author":"O\u011fuz","year":"2024","journal-title":"Ann. Comb."},{"key":"10.1016\/j.ejc.2026.104392_b14","article-title":"Rank polynomials of fence posets are unimodal","volume":"346","author":"O\u011fuz","year":"2023","journal-title":"Discret. Math."},{"key":"10.1016\/j.ejc.2026.104392_b15","doi-asserted-by":"crossref","first-page":"183","DOI":"10.1016\/j.jalgebra.2025.01.024","article-title":"Cluster expansions: T-walks labeled posets and matrix calculations","volume":"669","author":"O\u011fuz","year":"2025","journal-title":"J. Algebra"},{"key":"10.1016\/j.ejc.2026.104392_b16","series-title":"Sibylle schroll, posets for F -polynomials in cluster algebras from surfaces","author":"Pilaud","year":"2023"},{"key":"10.1016\/j.ejc.2026.104392_b17","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1090\/S0273-0979-2013-01417-4","article-title":"Cluster algebras: an introduction","volume":"51","author":"Williams","year":"2014","journal-title":"Bull. Am. Math. Soc."},{"key":"10.1016\/j.ejc.2026.104392_b18","series-title":"Surface cluster algebra expansion formulae via loop graphs","author":"Wilson","year":"2020"}],"container-title":["European Journal of Combinatorics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0195669826000600?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0195669826000600?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,5,30]],"date-time":"2026-05-30T01:47:26Z","timestamp":1780105646000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0195669826000600"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,7]]},"references-count":18,"alternative-id":["S0195669826000600"],"URL":"https:\/\/doi.org\/10.1016\/j.ejc.2026.104392","relation":{},"ISSN":["0195-6698"],"issn-type":[{"value":"0195-6698","type":"print"}],"subject":[],"published":{"date-parts":[[2026,7]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Unimodality and cluster algebras from surfaces","name":"articletitle","label":"Article Title"},{"value":"European Journal of Combinatorics","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ejc.2026.104392","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 Elsevier Ltd. All rights are reserved, including those for text and data mining, AI training, and similar technologies.","name":"copyright","label":"Copyright"}],"article-number":"104392"}}