{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,10]],"date-time":"2025-12-10T09:03:02Z","timestamp":1765357382027,"version":"build-2065373602"},"reference-count":46,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2023,5,21]],"date-time":"2023-05-21T00:00:00Z","timestamp":1684627200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>This article comprises the study of strongly starlike functions which are defined by using the concept of subordination. The function \u03c6 defined by \u03c6(\u03b6)=(1+\u03b6)\u03bb, 0&lt;\u03bb&lt;1 maps the open unit disk in the complex plane to a domain symmetric with respect to the real axis in the right-half plane. Using this mapping, we obtain some radius results for a family of starlike functions. It is worth noting that all the presented results are sharp.<\/jats:p>","DOI":"10.3390\/sym15051124","type":"journal-article","created":{"date-parts":[[2023,5,22]],"date-time":"2023-05-22T01:31:46Z","timestamp":1684719106000},"page":"1124","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Radius Results for Certain Strongly Starlike Functions"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0647-3824","authenticated-orcid":false,"given":"Afis","family":"Saliu","sequence":"first","affiliation":[{"name":"Department of Mathematics, University of the Gambia, MDI Road, Kanifing, Serrekunda P.O. Box 3530, The Gambia"},{"name":"Department of Mathematics, Gombe State University, Tudun Wada, Gombe 760253, Nigeria"}]},{"given":"Kanwal","family":"Jabeen","sequence":"additional","affiliation":[{"name":"Bright Future International School, Doha P.O. Box 8884, Qatar"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6178-8538","authenticated-orcid":false,"given":"Qin","family":"Xin","sequence":"additional","affiliation":[{"name":"Faculty of Science and Technology, University of the Faroe Islands, Vestarabryggja 15, FO 100 Torshavn, Faroe Islands, Denmark"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7855-508X","authenticated-orcid":false,"given":"Fairouz","family":"Tchier","sequence":"additional","affiliation":[{"name":"Mathematics Department, College of Science, King Saud University, P.O. Box 22452, Riyadh 11495, Saudi Arabia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8940-0569","authenticated-orcid":false,"given":"Sarfraz Nawaz","family":"Malik","sequence":"additional","affiliation":[{"name":"Department of Mathematics, COMSATS University Islamabad, Wah Campus, Wah Cantt 47040, Pakistan"}]}],"member":"1968","published-online":{"date-parts":[[2023,5,21]]},"reference":[{"key":"ref_1","first-page":"59","article-title":"Quelques probl\u00e8mes extr\u00e8maux dans les classes des fonctions \u03b1-angulairement \u00e8toil\u00e8es","volume":"20","author":"Stankiewicz","year":"1966","journal-title":"Ann. Univ. Mariae Curie-Sk\u0142odowska Sect. A"},{"key":"ref_2","first-page":"175","article-title":"On a family of starlike functions","volume":"22\u201324","author":"Stankiewicz","year":"1968","journal-title":"Ann. Univ. Mariae Curie-Sk\u0142odowska Sect. 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