equations with nonlinear operators, Newton-type methods, matrix analysis, mathematical methods in economics
Main publications:
Zabreiko P.P., Tanygina A.N., “Neyavnyi metod opisaniya reshenii otkrytoi modeli Leonteva–Forda”, Doklady Natsionalnoi akademii nauk Belarusi, 52:2 (2008), 17–22
Tanygina A.N., “Analogi teoremy Khiksa dlya otkrytoi modeli Leonteva–Forda”, Doklady Natsionalnoi akademii nauk Belarusi, 53:1 (2009), 19–26
Zabreiko P.P., Tanygina A.N., “Uslovie regulyarnoi gladkosti i metod Nyutona–Kantorovicha”, Tr. In-ta matem. NAN Belarusi, 19:1 (2011), 52–61
Tanygina A.N., “Obobschennyi metod Nyutona–Kantorovicha dlya uravnenii s nedifferentsiruemymi operatorami”, Doklady Natsionalnoi akademii nauk Belarusi, 55:6 (2011), 17–22