Partial sums and inclusion relations for analytic functions involving (<i>p</i>, <i>q</i>)-differential operator
Partial sums and inclusion relations for analytic functions involving (<i>p</i>, <i>q</i>)-differential operator
Abstract Let <m:math xmlns:m="http://www.w3.org/1998/Math/MathML"> <m:msub> <m:mrow> <m:mi>f</m:mi> </m:mrow> <m:mrow> <m:mi>k</m:mi> </m:mrow> </m:msub> <m:mrow> <m:mo>(</m:mo> <m:mrow> <m:mi>z</m:mi> </m:mrow> <m:mo>)</m:mo> </m:mrow> <m:mo>=</m:mo> <m:mi>z</m:mi> <m:mo>+</m:mo> <m:msubsup> <m:mrow> <m:mrow> <m:mo>∑</m:mo> </m:mrow> </m:mrow> <m:mrow> <m:mi>n</m:mi> <m:mo>=</m:mo> <m:mn>2</m:mn> </m:mrow> <m:mrow> <m:mi>k</m:mi> </m:mrow> </m:msubsup> <m:msub> <m:mrow> <m:mi>a</m:mi> </m:mrow> <m:mrow> <m:mi>n</m:mi> </m:mrow> </m:msub> <m:msup> <m:mrow> <m:mi>z</m:mi> </m:mrow> <m:mrow> …