Address: Department of Mathematics Memorial University of Newfoundland 230 Elizabeth Avenue, St. John's, CANADA, Department of Mathematical Physics Institute of Mathematics National Academy of Sciences of Ukraine 3 Tereshchenkivs'ka Street Kyiv UKRAINE

E-mail: skoval[at]mun[dot]ca, koval[dot]srh[at]imath[dot]kiev[dot]ua

URL: https://www.imath.kiev.ua/~koval.srh/

Research interests: representation theory, Lie groups and algebras, symmetries of differential equations

Academic background:
M.Sc. in Math.: 2023, Kyiv Academic University, Kyiv, Ukraine (Supervisors: Professor R.O. Popovych, Dr. V.M. Boyko )
M.Sc. in Math.: 2022, Memorial University of Newfoundland, St. Johns, Canada (Supervisors: Professor A. Bihlo, Professor R.O. Popovych)

Professional Experience:
2023–till now
PhD student, Institute of Mathematics, Kyiv, (Supervisor Professor R.O. Popovych)
2022–till now
PhD student, Department of Mathematics, Memorial University of Newfoundland (Supervisors: Professor A. Bihlo, Professor R.O. Popovych)
2020–2021
Programmer, Department of Environmental Informatics, Institute of Mathematical Machines and Systems problems, National Academy of Science of Ukraine

Awards and Grants
AARMS Graduate Scholarship 2023-24
AARMS Junior Researcher Travel Support Program, 2023, 2024
Fellow of the School of Graduate Studies, Memorial University of Newfoundland (2022)
Mitacs Globalink Fellowship, 2020 (cancelled due to COVID-19)

Referee
Journal of Mathematical Analysis and Applications
Journal of Physics A: Mathematical and Theoretical
Physics of Fluids
Journal of Engineering Mathematics
Ukrainian Mathematical Journal
Partial Differential Equations in Applied Mathematics
Physica Scripta
Scientific reports

Reviewer
zbMATH Open

Participation at the International Conferences and Schools
Bogolyubov Kyiv Conference: Problems of Theoretical and Mathematical Physics, Bogolyubov Institute for Theoretical Physics (Sep 24-26, Kyiv, Ukraine)
MIO 25: 25 years of Mathematical Institute in Opava, (Sep 9-12, Hradec nad Moravicí, Czech Republic)
International scientific conference Algebraic and geometric methods of analysis (May 27-30, Kyiv, Ukraine)
Atlantic Topological Quantum Field Theory Spring School 2024 (May 20-24, Atlantic Algebra Centre, Memorial University Newfoundland)
Symmetry, Invariants, and their Applications: A Celebration of Peter Olver's 70th Birthday (Aug 3-5, 2022, Halifax, Canada)
Workshop: Groups, Rings, Lie and Hopf Algebras, IV and V (30 May - 2 Jun 2022, St. John's, Canada; Aug 21-25, 2023, Harlow, UK)
Workshop in honor of Wilhelm Fushchych, Symmetry and Integrability of Equations of Mathematical Physics (Dec 17-18 2021, Dec 23-24 2022, Kyiv Ukraine)
Winter School & Workshop Wisla 20-21: Groups, invariants, integrals and moving frames (25 Jan-7 Feb 2021, Wisla, Poland)

Short Scientific Visits
Institute of Mathematics, Polish Academy of Science (Warsaw, Poland, 14.05–30.05.2023)

Scholar Google Reseach Profile

1. Popovych D.R., Koval S.D. and Popovych R.O., Generalized symmetries of remarkable (1+2)-dimensional Fokker-Planck equation, 16 pp, arXiv:2409.10348.
2. Koval S.D., Dos Santos Cardoso-Bihlo E. and Popovych R.O., Surprising symmetry properties and exact solutions of Kolmogorov backward equations with power diffusivity, 38 pp, arXiv:2407.10356.
3. Chapovskyi Ye.Yu., Koval S.D. and Zhur O., Subalgebras of Lie algebras. Example of sl(3,R) revisited, 33 pp, arXiv:2403.02554.
4. Koval S.D. and Popovych R.O., Extended symmetry analysis of (1+2)-dimensional fine Kolmogorov backward equation, Stud. Appl. Math.(2024), 30 pp, arXiv:2402.08822.
5. Koval S.D. and Popovych R.O., Point and generalized symmetries of the heat equation revisited, J. Math. Anal. Appl. 527 (2023), 127430, 21 pp, arXiv:2208.11073.
6. Koval S.D., Bihlo A. and Popovych R.O., Extended symmetry analysis of remarkable (1+2)-dimensional Fokker–Planck equation, European J. Appl. Math. 34 (2023), 1067–1098, arXiv:2205.13526.
7. Kovalets I., Talerko M., Synkevych R. and Koval S., Estimation of Cs-137 emissions during wildfires and dust storm in Chernobyl Exclusion Zone in April 2020 using ensemble iterative source inversion method, Atmospheric Environment, (2022), 119305