{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,11]],"date-time":"2025-12-11T21:02:42Z","timestamp":1765486962300,"version":"build-2065373602"},"reference-count":31,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2023,10,4]],"date-time":"2023-10-04T00:00:00Z","timestamp":1696377600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Natural Science Foundation of the People\u2019s Republic of China","award":["11561001","2022MS01004","NJYT-18-A14","NJZY22168","CFXYZD202004","cfxykycxtd202005"],"award-info":[{"award-number":["11561001","2022MS01004","NJYT-18-A14","NJZY22168","CFXYZD202004","cfxykycxtd202005"]}]},{"name":"Natural Science Foundation of Inner Mongolia of the People\u2019s Republic of China","award":["11561001","2022MS01004","NJYT-18-A14","NJZY22168","CFXYZD202004","cfxykycxtd202005"],"award-info":[{"award-number":["11561001","2022MS01004","NJYT-18-A14","NJZY22168","CFXYZD202004","cfxykycxtd202005"]}]},{"name":"program for young Talents of Science and Technology in Universities of Inner Mongolia Autonomous Region","award":["11561001","2022MS01004","NJYT-18-A14","NJZY22168","CFXYZD202004","cfxykycxtd202005"],"award-info":[{"award-number":["11561001","2022MS01004","NJYT-18-A14","NJZY22168","CFXYZD202004","cfxykycxtd202005"]}]},{"name":"Higher School Foundation of Inner Mongolia of the People\u2019s Republic of China","award":["11561001","2022MS01004","NJYT-18-A14","NJZY22168","CFXYZD202004","cfxykycxtd202005"],"award-info":[{"award-number":["11561001","2022MS01004","NJYT-18-A14","NJZY22168","CFXYZD202004","cfxykycxtd202005"]}]},{"name":"program for Key Laboratory Construction of Chifeng University","award":["11561001","2022MS01004","NJYT-18-A14","NJZY22168","CFXYZD202004","cfxykycxtd202005"],"award-info":[{"award-number":["11561001","2022MS01004","NJYT-18-A14","NJZY22168","CFXYZD202004","cfxykycxtd202005"]}]},{"name":"Research and Innovation Team of Complex Analysis and Nonlinear Dynamic Systems of Chifeng University","award":["11561001","2022MS01004","NJYT-18-A14","NJZY22168","CFXYZD202004","cfxykycxtd202005"],"award-info":[{"award-number":["11561001","2022MS01004","NJYT-18-A14","NJZY22168","CFXYZD202004","cfxykycxtd202005"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>In the current article, we utilize the concept of subordination to establish a new subclass of analytic functions associated with a bounded domain that is symmetric about the real axis. By applying the convolution technique, we derive the necessary and sufficient condition, the radius of convexity for this recently introduced class. Furthermore, we prove the sharp upper bounds for the second-order Hankel determinants |H2,1\u03be|,|H2,2\u03be| and third-order Hankel determinant |H3,1\u03be| for the functions \u03be belonging to the newly defined class.<\/jats:p>","DOI":"10.3390\/sym15101865","type":"journal-article","created":{"date-parts":[[2023,10,4]],"date-time":"2023-10-04T07:47:52Z","timestamp":1696405672000},"page":"1865","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Sharp Coefficient and Hankel Problems Related to a Symmetric Domain"],"prefix":"10.3390","volume":"15","author":[{"given":"Huo","family":"Tang","sequence":"first","affiliation":[{"name":"School of Mathematics and Computer Sciences, Chifeng University, Chifeng 024000, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adeel","family":"Ahmad","sequence":"additional","affiliation":[{"name":"Department of Mathematics and Statistics, Hazara University Mansehra, Mansehra 21120, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akhter","family":"Rasheed","sequence":"additional","affiliation":[{"name":"Department of Mathematics, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Asad","family":"Ali","sequence":"additional","affiliation":[{"name":"Department of Mathematics and Statistics, Hazara University Mansehra, Mansehra 21120, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Saqib","family":"Hussain","sequence":"additional","affiliation":[{"name":"Department of Mathematics, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9038-1921","authenticated-orcid":false,"given":"Saima","family":"Noor","sequence":"additional","affiliation":[{"name":"Department of Basic Sciences, Preparatory Year Deanship, King Faisal University, Al Ahsa 31982, Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,10,4]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"321","DOI":"10.1017\/S0004972700002410","article-title":"Some applications of differential subordination","volume":"32","author":"Padmanabhan","year":"1985","journal-title":"Bull. 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