{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T02:56:33Z","timestamp":1760237793825,"version":"build-2065373602"},"reference-count":33,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2022,6,10]],"date-time":"2022-06-10T00:00:00Z","timestamp":1654819200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of Jilin province","award":["20180101221JC"],"award-info":[{"award-number":["20180101221JC"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Axioms"],"abstract":"<jats:p>In this paper, we investigate some nonoscillatory and oscillatory solutions for a class of second-order nonlinear neutral delay differential equations with positive and negative coefficients. By means of the method of contraction mapping principle and some integral inequality techniques, we extend the recent results provided in the literature.<\/jats:p>","DOI":"10.3390\/axioms11060281","type":"journal-article","created":{"date-parts":[[2022,6,10]],"date-time":"2022-06-10T10:25:12Z","timestamp":1654856712000},"page":"281","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Nonoscillation and Oscillation Criteria for a Class of Second-Order Nonlinear Neutral Delay Differential Equations with Positive and Negative Coefficients"],"prefix":"10.3390","volume":"11","author":[{"given":"Rongrong","family":"Guo","sequence":"first","affiliation":[{"name":"School of Mathematics, Jilin University, Changchun 130012, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5879-2720","authenticated-orcid":false,"given":"Qingdao","family":"Huang","sequence":"additional","affiliation":[{"name":"School of Mathematics, Jilin University, Changchun 130012, China"}]},{"given":"Haifeng","family":"Tian","sequence":"additional","affiliation":[{"name":"School of Mathematics, Jilin University, Changchun 130012, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,6,10]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"107228","DOI":"10.1016\/j.aml.2021.107228","article-title":"Oscillation of second order half-linear differential equations with deviating arguments of mixed type","volume":"119","year":"2021","journal-title":"Appl. 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