Inga Timofejeva is a junior researcher at KTU Faculty of Mathematics and Natural Sciences and a Ph.D. student at the Faculty of Informatics. in 2019 I. Timofejeva was awarded the named scholarship of the president of the Republic of Lithuania (Aleksandras Stulginskis). The field of scientific research is the analysis of nonlinear dynamic systems (construction of soliton solutions, analysis of fractional differential equations, and chaos research).