%0 Journal Article %A Ashrafi, Ali %A Zare, Arezu %T SDO and LDO relaxation approaches to complex fractional quadratic optimization %J RAIRO. Operations Research %D 2021 %P S2241-S2258 %V 55 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/ro/2020090/ %R 10.1051/ro/2020090 %G en %F RO_2021__55_S1_S2241_0