TY - JOUR AU - Wanas, Abbas Kareem PY - 2015/11/03 Y2 - 2024/03/29 TI - A CERTAIN SUBCLASS OF MULTIVALENT ANALYTIC FUNCTIONS WITH NEGATIVE COEFFICIENTS FOR OPERATOR ON HILBERT SPACE JF - Journal of the Indonesian Mathematical Society JA - JIMS VL - 21 IS - 2 SE - Articles DO - 10.22342/jims.21.2.228.77-82 UR - http://jims-a.org/index.php/jimsa/article/view/228 SP - 77-82 AB - <p>By making use of the operators on Hilbert space, we introduce and study<br />a subclass Ak of multivalent analytic functions with negative coecients. Also we obtain some geometric properties.</p><p>DOI : <a href="http://dx.doi.org/10.22342/jims.21.2.228.77-82" target="_self">http://dx.doi.org/10.22342/jims.21.2.228.77-82</a></p><p> </p> ER -