On Certain Multivalent Starlike or Convex Functions with Negative Coefficients

<p/> <p>By means of a differential operator, we introduce and investigate some new subclasses of <inline-formula> <graphic file="1029-242X-2010-751721-i1.gif"/></inline-formula>-valently analytic functions with negative coefficients, which are starlike or conv...

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Main Authors: Deniz Erhan, Kadio&#487;lu Ekrem, Owa Shigeyoshi, Uyanik Neslihan
Format: Article
Language:English
Published: SpringerOpen 2010-01-01
Series:Journal of Inequalities and Applications
Online Access:http://www.journalofinequalitiesandapplications.com/content/2010/751721
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author Deniz Erhan
Kadio&#487;lu Ekrem
Owa Shigeyoshi
Uyanik Neslihan
author_facet Deniz Erhan
Kadio&#487;lu Ekrem
Owa Shigeyoshi
Uyanik Neslihan
author_sort Deniz Erhan
collection DOAJ
description <p/> <p>By means of a differential operator, we introduce and investigate some new subclasses of <inline-formula> <graphic file="1029-242X-2010-751721-i1.gif"/></inline-formula>-valently analytic functions with negative coefficients, which are starlike or convex of complex order. Relevant connections of the definitions and results presented in this paper with those obtained in several earlier works on the subject are also pointed out.</p>
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1029-242X
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spelling doaj.art-d3043278773f4258801cd00e2410985e2022-12-21T23:58:24ZengSpringerOpenJournal of Inequalities and Applications1025-58341029-242X2010-01-0120101751721On Certain Multivalent Starlike or Convex Functions with Negative CoefficientsDeniz ErhanKadio&#487;lu EkremOwa ShigeyoshiUyanik Neslihan<p/> <p>By means of a differential operator, we introduce and investigate some new subclasses of <inline-formula> <graphic file="1029-242X-2010-751721-i1.gif"/></inline-formula>-valently analytic functions with negative coefficients, which are starlike or convex of complex order. Relevant connections of the definitions and results presented in this paper with those obtained in several earlier works on the subject are also pointed out.</p>http://www.journalofinequalitiesandapplications.com/content/2010/751721
spellingShingle Deniz Erhan
Kadio&#487;lu Ekrem
Owa Shigeyoshi
Uyanik Neslihan
On Certain Multivalent Starlike or Convex Functions with Negative Coefficients
Journal of Inequalities and Applications
title On Certain Multivalent Starlike or Convex Functions with Negative Coefficients
title_full On Certain Multivalent Starlike or Convex Functions with Negative Coefficients
title_fullStr On Certain Multivalent Starlike or Convex Functions with Negative Coefficients
title_full_unstemmed On Certain Multivalent Starlike or Convex Functions with Negative Coefficients
title_short On Certain Multivalent Starlike or Convex Functions with Negative Coefficients
title_sort on certain multivalent starlike or convex functions with negative coefficients
url http://www.journalofinequalitiesandapplications.com/content/2010/751721
work_keys_str_mv AT denizerhan oncertainmultivalentstarlikeorconvexfunctionswithnegativecoefficients
AT kadio487luekrem oncertainmultivalentstarlikeorconvexfunctionswithnegativecoefficients
AT owashigeyoshi oncertainmultivalentstarlikeorconvexfunctionswithnegativecoefficients
AT uyanikneslihan oncertainmultivalentstarlikeorconvexfunctionswithnegativecoefficients