About us > Staff/People > Department of Theory of Optimal Processes

Yurii Shunkin

Посада: Старший викладач, Theory of Optimal Processes Department

Телефон (робочий): (032) 239-43-91

Електронна пошта: yuriy.shunkin@lnu.edu.ua

Веб-сторінка: ami.lnu.edu.ua

Профіль у Google Scholar: scholar.google.com.ua

Профіль ORCID: orcid.org

Профіль у Scopus: www.scopus.com

Профіль у ResearchGate: www.researchgate.net

Наукові інтереси

RESEARCH INTERESTS

Iterative methods for solving optimization problems and nonlinear least squares problems. Numerical methods for solving of nonlinear equations.

Публікації

  1. Garasym Ya. Numerical solution of some potential theory boundary value problems in the space with cracks by means of combined method / Ya. Garasym, A.Dudykevych, B. Ostudin, Yu. Shunkin // Visnyk Lviv. Univ. Ser. Appl. math. inform. Issue 2,2016. – P. 24-31.
  2. Shakhno S. , Shunkin Yu. One combined method for solving nonlinear least squares problems // Visnyk Lviv. Univ. Ser. Appl. math. inform. Issue 25, 2017.- P. 38-48 (Ukrainian).
  3. Shakhno S.M. , Shunkin Yu.V. Two-step secant-type method for solving nonlinear equations // Journal of Computational and Applied Mathematics. – 2017. – №1 (124) (Ukrainian).
  4. Garasym Ya. Numerical solving some inverse problem in axially symmetric electrostatic field / Garasym Ya., Ostudin B., Shunkin Yu. // Proceedings of the International Conference UCAM – 2017 «Ukrainian Conference on Applied Mathematics» – Lviv, 2017. – С. 53-54.
  5. Shakhno S.M. Convergence analysis of Newton-Secant method for nonlinear least squares problem / S. Shakhno, Yu. Shunkin // Abstracts of XXX International Conference “Problems Of Decision Making Under Uncertainties (PDMU – 2017)”. Dedicated to 80-th anniversary of Professor Yurii Yermoliev, August 14-19, 2017, Vilnius, Lithuania. – P. 109.
  6. Shakhno S.M. Gauss-Newton-Potra method for nonlinear least squares problems with operator decomposition / Shakhno S.M., Shunkin Yu.V., Babjak А.-V.І. // Abstracts of XXXII International Conference “Problems Of Decision Making Under Uncertainties (PDMU – 2018)”. August 27-31, Prague, Czech Republic. – P. 110.
  7. I.K. Argyros. On Local and Semi-Local Convergence Analysis of A High-Order Iterative Method for Solving Nonlinear Systems Without High Derivatives / I.K. Argyros, S. Shakhno, Yu. Shunkin, S. Regmi, C.I. Argyros // European Journal of Mathematical Analysis. – 2025. – Vol. 5. – 18.
  8. Ioannis K. Argyros. Extending the Applicability of a Two-Step Vectorial Method with Accelerators of Order Five for Solving Systems of Equations / Ioannis K. Argyros, Stepan Shakhno, Yurii Shunkin, Samundra Regmi, Nirjal Shrestha // Mathematics. – 2025. – 13(8). – 1299.
  9. Argyros I.K. On an iterative Moser-Kurchatov method for solving systems of nonlinear equations / Argyros I.K., Shakhno S.M., Shunkin Yu.V. // Matematychni Studii. – 2025. – Vol. 63, No. 1. – P. 88–97.
  10. Shunkin Yu. A Potra-type method with inverse operator approximation for nonlinear least squares problems / Shunkin Yu. // Visnyk Lviv. Univ. Ser. Appl. math. inform. – 2025. – No. 34. – P. 22–31.

Біографія

EDUCATION, SCIENCE

2015-2018 Lviv Ivan Franko National University. Doctoral studies in Faculty of Applied Mathematics and Informatics. Supervisor: prof. Shakhno S.M.
2010-2015 Lviv Ivan Franko National University. Studies in Faculty of Applied Mathematics And Informatics. M.S. in «Applied Mathematics». Supervisor: Ostudin B.A.

 

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