AIP Conference Proceedings 2201, 020021 (2019); https://doi.org/10.1063/1.5141445 2201, 020021 © 2019 Author(s). The Fekete-Szegö problem for certain subclasses of p-valent functions associated with quasi-subordination involving the function K_δ Cite as: AIP Conference Proceedings 2201, 020021 (2019); https://doi.org/10.1063/1.5141445 Published Online: 17 December 2019 Mohammed H. Saloomi, Enaam Hadi Abd, and Reyadh. D. Ali ARTICLES YOU MAY BE INTERESTED IN Spectroscopic characteristics and energy transfer of bacterial pigment: (pyocyanin/curcumin) AIP Conference Proceedings 2201, 020014 (2019); https://doi.org/10.1063/1.5141438 Stopping power and range of proton interaction with AL 2 O 3 , ZrO 2 and SiO 2 AIP Conference Proceedings 2201, 020017 (2019); https://doi.org/10.1063/1.5141441 Improving working life of automobile water pump shaft by hard material AIP Conference Proceedings 2201, 020020 (2019); https://doi.org/10.1063/1.5141444