She received her MsC and PhD degrees in mathematics from Humboldt University of Berlin ( Germany ) in 1981 and 1989 , respectively .
Dentcheva was born in Bulgaria .
Dentcheva received Dentcheva 's MsC and PhD degrees in mathematics from Humboldt University of Berlin ( Germany ) in 1981 and 1989 , respectively .
Dentcheva was born in Bulgaria .