E-mail: oleksandra.vinnichenko@imath.kiev.ua, vinnichenkoleksandra@gmail.com Homepage: imath.kiev.ua/~oleksandra.vinnichenko/ ORCID: 0009-0007-8089-8162 Google Scholar ID: h3zhdJ0AAAAJ Scopus: 57985890000 Web of Science: JTU-4712-2023 MathSciNet ID: 1601434 zbMATH Author ID: vinnichenko.oleksandra-o ResearchGate: Oleksandra-Vinnichenko Address: Department of Mathematical Physics Institute of Mathematics National Academy of Sciences of Ukraine 3 Tereshchenkivs'ka Street, 01024 Kyiv, Ukraine

Academic background:
Ph.D. in Mathematics: 2025, Institute of Mathematics of National Academy of Sciences of Ukraine, Kyiv, Ukraine
Thesis "Geometric and algebraic properties of dispersionless Nizhnik equation" (2024) (Supervisors: Prof. R.O. Popovych, Dr. V.M. Boyko)
M.Sc. of Secondary Education (Math.): 2020, Poltava V. G. Korolenko National Pedagogical University, Poltava, Ukraine

Professional Experience:
2025 – present
Junior researcher of the Department of Mathematical Physics, Institute of Mathematics of National Academy of Science of Ukraine, Kyiv
2024 – 2025
Leading engineer of the Department of Mathematical Physics, Institute of Mathematics of National Academy of Science of Ukraine, Kyiv
2021 – 2025
PhD Student, Department of Mathematical Physics, Institute of Mathematics of National Academy of Sciences of Ukraine, Kyiv
2021 – 2023
Leading engineer of the Editorial Department, Ukrainian Mathematical Journal, Institute of Mathematics of National Academy of Science of Ukraine, Kyiv
2018 – 2021
Secretary at the Faculty of Physics and Mathematics of Poltava V. G. Korolenko National Pedagogical University, Poltava, Ukraine

Participation at Conferences and Workshops
Arithmetic groups, hyperbolic manifolds and computation, Institute of Mathematics of Bordeaux (IMB UMR5251) of University of Bordeaux (Institut de Mathématiques de Bordeaux UMR 5251), December 9–13, 2024, Bordeaux, France
Bogolyubov Kyiv Conference ''Problems of Theoretical and Mathematical Physics'' dedicated to the 115th anniversary of M.M. Bogolyubov (1909–1992), Institute of Mathematics of the National Academy of Sciences of Ukraine, September 24–26, 2024, Kyiv, Ukraine
International scientific online conference ''Algebraic and geometric methods of analysis'', Odesa National University of Technology, May 27–30, 2024, Odesa, Ukraine
Conference of Young Mathematicians ''Pidstryhach readings – 2024'', Pidstryhach Institute for Applied Problems of Mechanics and Mathematics of the National Academy of Sciences of Ukraine, May 27–29, 2024, Lviv, Ukraine
XII All-Ukrainian Scientific Conference of Young Mathematicians, National University of Kyiv Mohyla Academy, May 9–11, 2024, Kyiv, Ukraine
Workshop CDSS (Complex Dynamical Systems in the Science): theory, mathematical modelling, computing and application, Institute of Mathematics of the National Academy of Sciences of Ukraine, October 2–4, 2023, Kyiv, Ukraine
International Conference of Young Mathematicians, Institute of Mathematics of the National Academy of Sciences of Ukraine, June 1–3, 2023, Kyiv, Ukraine
International Symposium ''Symmetry and Integrability of Equations of Mathematical Physics'', Institute of Mathematics of the National Academy of Sciences of Ukraine, December 23 –24, 2022, Kyiv, Ukraine

1. Vinnichenko O.O., Boyko V.M. and Popovych R.O., Lie reductions and exact solutions of dispersionless Nizhnik equation, Anal. Math. Phys. 14 (2024), 82, 56 pp., arXiv:2308.03744.
2. Boyko V.M., Popovych R.O. and Vinnichenko O.O., Point- and contact-symmetry pseudogroups of dispersionless Nizhnik equation, Commun. Nonlinear Sci. Numer. Simul. 132 (2024), 107915, 19 pp., arXiv:2211.09759.