{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T13:34:27Z","timestamp":1753882467993,"version":"3.41.2"},"reference-count":17,"publisher":"World Scientific Pub Co Pte Ltd","issue":"01","funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["12171154"],"award-info":[{"award-number":["12171154"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Discrete Math. Algorithm. Appl."],"published-print":{"date-parts":[[2023,1]]},"abstract":"<jats:p> Exponential of the first Zagreb index and the second Zagreb index of a graph [Formula: see text] are defined as [Formula: see text] and [Formula: see text], where [Formula: see text] denotes the set of edges and [Formula: see text] denotes the degree of a vertex [Formula: see text]. The extremal trees of these two indices among trees have been determined in previous studies. In this paper, we give the second-minimum and the second-maximum values of [Formula: see text] and [Formula: see text] among trees. <\/jats:p>","DOI":"10.1142\/s1793830922500641","type":"journal-article","created":{"date-parts":[[2022,3,8]],"date-time":"2022-03-08T09:56:52Z","timestamp":1646733412000},"source":"Crossref","is-referenced-by-count":0,"title":["The second-minimum and second-maximum values of exponential Zagreb indices among trees"],"prefix":"10.1142","volume":"15","author":[{"given":"Lu","family":"Yang","sequence":"first","affiliation":[{"name":"School of Mathematics, East China University of Science and Technology, Shanghai, P. R. China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9734-9644","authenticated-orcid":false,"given":"Yan","family":"Zhu","sequence":"additional","affiliation":[{"name":"School of Mathematics, East China University of Science and Technology, Shanghai, P. R. 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