%0 Journal Article %A Jahanian, Fahime, Mohammadi, Ahmad, paytakhti oskooe, seyyed ali, Mottaghi, Aliasghar %T Portfolio optimization using gray wolf algorithm and modified Markowitz model based on CO-GARCH modeling %J Advances in Mathematical Finance and Applications %V 9 %N 1 %P 305-319 %D 2023 %R 10.22034/amfa.2022.1966381.1787 %U https://sanad.iau.ir/fa/Article/914893