星象性相关论文
设f(z)=z+a2z^2+…在单位圆的D内解析,β,γ,c为常数,γ≠0,定义积分虎子,I1(f)(z)=∫^z0(f(t)/t)βdt,I(f)(z)=「γ+c/z^c∫^z0t^c-1(f(t))γdt」^1/γ。讨论了积分算子I1与I2的一些性质,改进了有关这两类积分算子的几个......
设函数f(z)=z+a2z^2+…在单位园D内解析,常数c∈(-1,1],定义Bernardi积分算子Fc如下Fc(z)=1+c/x^4∫0^zf(t)t^c-1dt,z∈D记S(c)=∞↑∑......
引入了一个定义在单位圆U={z∈C:z||〈1}内规范化的解析函数类A上的积分算子Jγ1,…,γn,β(z),利用著名的Becker单叶性判别法、Schwarz......
CERTAIN SUFFICIENT CONDITIONS FOR STARLIKENESS AND CONVEXITY OF MEROMORPHICALLY MULTIVALENT FUNCTION
In this paper we derive certain sufcient conditions for starlikeness and convexity of orderαof meromorphically multival......
Silverman研究了一类由(1+zf″(z)/f′(z))/(zf′(z)/f(z))定义的解析函数的性质,我们获得了更好的相关的结果.......