TY - GEN AU - Mena-Jurado, Juan Francisco AU - Navarro Pascual, Juan Carlos PY - 2022 SN - 2227-7390 UR - http://hdl.handle.net/10835/13910 AB - We characterize the extreme points of the closed unit ball of the dual of a Banach space which are preserved by the adjoint of any extreme operator. The result is related to the structure topology introduced by Alfsen and Effros on the set of all... LA - en PB - MDPI KW - Banach space KW - extreme operato KW - structure topology TI - Preservation of extreme points DO - 10.3390/math10132268 ER -