B. S. Mehrok, Deepak Kumar Gupta, Harjinder Singh
Abstract
Let be the class of functions f(z)=z+∑_(n=2)^∞▒〖a_n z^n 〗 analytic in the unit disc E={z:|z| 0 and Re{(f(z))/(g(z))}>0 respectively. We wish to obtain the sharp upper bounds for the functional |a_2 a_4-a_3^2 |.
A significance statement is not available in the OpenAlex record.
A contribution statement is not available in the OpenAlex record.
Method details are not available in the OpenAlex metadata.
Findings are not separately available in the OpenAlex metadata.
Limitations are not available in the OpenAlex metadata.
Application details are not available in the OpenAlex metadata.
Let be the class of functions f(z)=z+∑_(n=2)^∞▒〖a_n z^n 〗 analytic in the unit disc E={z:|z| 0 and Re{(f(z))/(g(z))}>0 respectively. We wish to obtain the sharp upper bounds for the functional |a_2 a_4-a_3^2 |.
Key concepts: Mathematics, Analytic function, Unit (ring theory), Class (philosophy), Combinatorics, Discrete mathematics, Mathematical analysis, Computer science