{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,13]],"date-time":"2026-04-13T11:08:47Z","timestamp":1776078527022,"version":"3.50.1"},"reference-count":21,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Discrete Applied Mathematics"],"published-print":{"date-parts":[[2026,6]]},"DOI":"10.1016\/j.dam.2026.03.031","type":"journal-article","created":{"date-parts":[[2026,3,19]],"date-time":"2026-03-19T15:13:57Z","timestamp":1773933237000},"page":"388-399","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"special_numbering":"C","title":["Extremal results on the general hyperbolic Sombor index"],"prefix":"10.1016","volume":"386","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8908-1983","authenticated-orcid":false,"given":"Juan","family":"Rada","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2851-7442","authenticated-orcid":false,"given":"Jos\u00e9 M.","family":"Rodr\u00edguez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0863-4695","authenticated-orcid":false,"given":"Jos\u00e9 M.","family":"Sigarreta","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.dam.2026.03.031_b1","doi-asserted-by":"crossref","first-page":"63","DOI":"10.46793\/match95-1.03425","article-title":"Geometric approach to degree-based topological index: Hyperbolic sombor index","volume":"95","author":"Barman","year":"2026","journal-title":"MATCH Commun. Math. Comput. Chem."},{"key":"10.1016\/j.dam.2026.03.031_b2","doi-asserted-by":"crossref","first-page":"2273","DOI":"10.1007\/s10910-020-01180-9","article-title":"Relations between the general sum connectivity index and the line graph","volume":"58","author":"Carballosa","year":"2020","journal-title":"J. Math. Chem."},{"key":"10.1016\/j.dam.2026.03.031_b3","article-title":"Extremal unicyclic graphs of sombor index","volume":"463","author":"Chen","year":"2024","journal-title":"Appl. Math. Comput."},{"key":"10.1016\/j.dam.2026.03.031_b4","article-title":"Sombor index of chemical graphs","volume":"399","author":"Cruz","year":"2021","journal-title":"Appl. Math. Comput."},{"issue":"4","key":"10.1016\/j.dam.2026.03.031_b5","first-page":"989","article-title":"Elliptic sombor index of chemical graphs","volume":"10","author":"Espinal","year":"2025","journal-title":"Commun. Comb. Optim."},{"key":"10.1016\/j.dam.2026.03.031_b6","first-page":"11","article-title":"Geometric approach to degree-based topological indices: Sombor indices","volume":"86","author":"Gutman","year":"2021","journal-title":"MATCH Commun. Math. Comput. Chem."},{"issue":"2","key":"10.1016\/j.dam.2026.03.031_b7","doi-asserted-by":"crossref","DOI":"10.1002\/qua.27346","article-title":"Geometric approach to vertex-degree-based topological indices \u2013 Elliptic Sombor index, theory and application","volume":"124","author":"Gutman","year":"2024","journal-title":"Int. J. Quantum Chem."},{"key":"10.1016\/j.dam.2026.03.031_b8","doi-asserted-by":"crossref","first-page":"535","DOI":"10.1016\/0009-2614(72)85099-1","article-title":"Graph theory and molecular orbitals. Total \u03c0-electron energy of alternant hydrocarbons","volume":"17","author":"Gutman","year":"1972","journal-title":"Chem. Phys. Lett."},{"key":"10.1016\/j.dam.2026.03.031_b9","doi-asserted-by":"crossref","first-page":"415","DOI":"10.46793\/match.89-2.415L","article-title":"On extremal sombor indices of chemical graphs, and beyond","volume":"89","author":"Liu","year":"2023","journal-title":"MATCH Commun. Math. Comput. Chem."},{"key":"10.1016\/j.dam.2026.03.031_b10","doi-asserted-by":"crossref","first-page":"146","DOI":"10.1016\/j.cplett.2009.05.022","article-title":"Comparison between the sum-connectivity index and product-connectivity index for benzenoid hydrocarbons","volume":"475","author":"Lu\u010di\u0107","year":"2009","journal-title":"Chem. Phys. Lett."},{"key":"10.1016\/j.dam.2026.03.031_b11","series-title":"Novel Molecular Structure Descriptors \u2013 Theory and Applications I","first-page":"101","article-title":"Sum-connectivity index","author":"Lu\u010di\u0107","year":"2010"},{"issue":"03","key":"10.1016\/j.dam.2026.03.031_b12","doi-asserted-by":"crossref","DOI":"10.1142\/S1793557123500523","article-title":"On general sombor index of graphs","volume":"16","author":"Phanjoubam","year":"2023","journal-title":"Asian-Europ. J. Math."},{"key":"10.1016\/j.dam.2026.03.031_b13","article-title":"On integral sombor indices","volume":"452","author":"Rada","year":"2023","journal-title":"Appl. Math. Comput."},{"key":"10.1016\/j.dam.2026.03.031_b14","article-title":"Sombor index and elliptic sombor index of benzenoid systems","volume":"475","author":"Rada","year":"2024","journal-title":"Appl. Math. Comput."},{"key":"10.1016\/j.dam.2026.03.031_b15","doi-asserted-by":"crossref","first-page":"819","DOI":"10.46793\/match.93-3.819R","article-title":"Optimization problems for general elliptic sombor index","volume":"93","author":"Rada","year":"2025","journal-title":"MATCH Commun. Math. Comput. Chem."},{"key":"10.1016\/j.dam.2026.03.031_b16","doi-asserted-by":"crossref","unstructured":"I. Red\u017eepovi\u0107, Chemical applicability of Sombor indices: Survey, J. Serb. Chem. Soc. 86 (5) 445\u2013457.","DOI":"10.2298\/JSC201215006R"},{"issue":"2","key":"10.1016\/j.dam.2026.03.031_b17","first-page":"387","article-title":"New results on the harmonic index and its generalizations","volume":"78","author":"Rodr\u00edguez","year":"2017","journal-title":"MATCH Commun. Math. Comput. Chem."},{"key":"10.1016\/j.dam.2026.03.031_b18","doi-asserted-by":"crossref","first-page":"235","DOI":"10.46793\/match.91-1.235S","article-title":"Sombor index of hypergraphs","volume":"91","author":"Shetty","year":"2024","journal-title":"MATCH Commun. Math. Comput. Chem."},{"key":"10.1016\/j.dam.2026.03.031_b19","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1021\/ja01193a005","article-title":"Structural determination of paraffin boiling points","volume":"69","author":"Wiener","year":"1947","journal-title":"J. Am. Chem. Soc."},{"key":"10.1016\/j.dam.2026.03.031_b20","doi-asserted-by":"crossref","first-page":"1252","DOI":"10.1007\/s10910-008-9515-z","article-title":"On a novel connectivity index","volume":"46","author":"Zhou","year":"2009","journal-title":"J. Math. Chem."},{"key":"10.1016\/j.dam.2026.03.031_b21","doi-asserted-by":"crossref","first-page":"210","DOI":"10.1007\/s10910-009-9542-4","article-title":"On general sum-connectivity index","volume":"47","author":"Zhou","year":"2010","journal-title":"J. Math. Chem."}],"container-title":["Discrete Applied Mathematics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0166218X26001678?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0166218X26001678?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,4,13]],"date-time":"2026-04-13T10:21:41Z","timestamp":1776075701000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0166218X26001678"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,6]]},"references-count":21,"alternative-id":["S0166218X26001678"],"URL":"https:\/\/doi.org\/10.1016\/j.dam.2026.03.031","relation":{},"ISSN":["0166-218X"],"issn-type":[{"value":"0166-218X","type":"print"}],"subject":[],"published":{"date-parts":[[2026,6]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Extremal results on the general hyperbolic Sombor index","name":"articletitle","label":"Article Title"},{"value":"Discrete Applied Mathematics","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.dam.2026.03.031","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 Elsevier B.V. All rights are reserved, including those for text and data mining, AI training, and similar technologies.","name":"copyright","label":"Copyright"}]}}