| - Faculties»
- Faculty of Marketing»
- Departments»
- Department of Advanced Mathematics»
- Academic Staff»
- Radziievska Olena Ivanivna
Olena Radziievska| Department: | Department of Advanced Mathematics |
|---|
| Position: | |
|---|
| Teacher degree: | associate professor |
|---|
| Degree: | Candidate of Physical and Mathematical Sciences |
|---|
| Teaching Experience: | 45 |
|---|
School, mathematics teacher, 1980-1981 Kyiv Polytechnic Institute, junior research fellow, 1981-1984 Candidate of Physical and Mathematical Sciences, Institute of Mathematics of the National Academy of Sciences of Ukraine, 1988 National University of Food Technologies, Kyiv, 1988-– present Kyiv National University of Economics named after Vadym Hetman, 2025 - present |
| Department: | Department of Advanced Mathematics |
|---|
| Position: | |
|---|
| Teacher degree: | associate professor |
|---|
| Degree: | Candidate of Physical and Mathematical Sciences |
|---|
| Teaching Experience: | 45 |
|---|
| Biography: | |
|---|
School, mathematics teacher, 1980-1981 Kyiv Polytechnic Institute, junior research fellow, 1981-1984 Candidate of Physical and Mathematical Sciences, Institute of Mathematics of the National Academy of Sciences of Ukraine, 1988 National University of Food Technologies, Kyiv, 1988-– present Kyiv National University of Economics named after Vadym Hetman, 2025 - present |
| Publications: | - Local mean-value theorem for separated differences of holomorphic functions. Zb. Pr. Inst. Mat. NAN Ukr. 6, No. 1, 82-95 (2009). ( with Gomilko, A.M.; Radzievskii, G.V.)
- The remainder term of the Taylor expansion for a holomorphic function is representable in Lagrange form. (English) Siberian Mathematical Journal, Vol. 44, No. 2, 322–331, (2003). (with Radzievskii, G.V.)
- On an extremal problem for numerical sequences. (English) Ukr. Mat. Zh. 57, No. 10, 1430-1434 (2005); translation in Ukr. Math. J. 57, No. 10, 1674-1678 (2005). (with Radzievskii, G.V.)
- On an extremal problem for a seminorm on the weighted space ℓ1. (English) Ukr. Mat. Zh. 57, No. 7, 1002-1006 (2005); translation in Ukr. Math. J. 57, No. 7, 1183-1187 (2005). (with Radzievskii, G.V.)
- Estimation of K-functional of high order in terms of K-functional of smaller order. (English) Ukr. Mat. Zh. 55, No. 11, 1530-1540 (2003); translation in Ukr. Math. J. 55, No. 11, 1841-1852 (2004).
- On velocity of convergence of the sum of s-numbers squares of the integral Hilbert-Schmidt operator. (Russian) Nelinijni Kolyvannya 2, No. 3, 384-390 (1999).
- Radzievska, E.I. Estimates of singular numbers of a Hilbert–Schmidt integral operator. J Math Sci 183, 835–842 (2012).
- Radzievskaya, E.I. On the uniform convergence of Fourier series to (ψ, β)-derivatives. J Math Sci 235, 46–51 (2018).
- Radziyevska O.I., Kovalska I.B. Estimation of the Best Approximations for the Generalized Derivative in Banach Spaces. Математичне та комп'ютерне моделю¬вання. Серія: Фізико-математичні науки: зб. наук. праць / Інститут кібернетики імені В.М. Глушкова НАН України, Кам’янець-Подільський національний університет імені Івана Огієнка. – Кам’янець-Подільський: Кам’янець-Подільський національний університет імені Івана Огієнка, 2021.– Вип.22. – С. 90-96.
|
|---|
- Mathematics
- Probability Theory and Mathematical Statistics
|