input: Darinka_Dentcheva | citizenship | United_States Darinka_Dentcheva | professionalField | Mathematical_optimization
target: Darinka Dentcheva is a citizen of the United States who works in the field of Mathematical optimization.
references: Darinka Dentcheva is a citizen of the United States who works in the field of Mathematical optimization. Darinka Dentcheva is a US citizen and a mathematician working in the field of mathematical optimization. Darinka Dentcheva, a citizen of the United States, is a professional in the field of mathematical optimization.