المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Igor I. Shepelev, Vyacheslav V. Sherkunov, Theodore E. Simos, Spyridon D. Mourtas, Vasilios N. Katsikis

المصدر: AIMS Mathematics, Vol 8, Iss 11, Pp 25966-25989 (2023)

مصطلحات موضوعية: quaternion, linear matrix equation, minimum-norm least-squares solution, dynamical system, zeroing neural network, acoustic source tracking, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2473-6988

URL الوصول: https://doaj.org/article/c2cdc5ea9599418daf24a3b7c4c1605c

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Denis A. Demidov, Malyoshina A. Malyoshina, Theodore E. Simos, Spyridon D. Mourtas, Vasilios N. Katsikis

المصدر: AIMS Mathematics, Vol 8, Iss 10, Pp 22875-22895 (2023)

مصطلحات موضوعية: quaternion, moore-penrose inverse, zeroing neural network, dynamical system, mobile object localization, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2473-6988

URL الوصول: https://doaj.org/article/47619e0a4a8f41bd9a259e6cddbe3a6e

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Andrei V. Chukalin, Vladimir N. Klyachkin, Vladimir P. Tabakov, Denis A. Demidov

المصدر: Energies, Vol 17, Iss 16, p 3961 (2024)

مصطلحات موضوعية: wind farm, mathematical modeling, computational fluid dynamics, atmospheric boundary layer, neural network, machine learning, Technology

وصف الملف: electronic resource

Relation: https://www.mdpi.com/1996-1073/17/16/3961; https://doaj.org/toc/1996-1073

URL الوصول: https://doaj.org/article/acb0a606eb8c49df8c55894ac9bb6459

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Denis A. Demidov, Malyoshina A. Malyoshina, Theodore E. Simos, Vasilios N. Katsikis, Spyridon D. Mourtas, Romanos D. Sahas

المصدر: AIMS Mathematics, Vol 8, Iss 6, Pp 14321-14339 (2023)

مصطلحات موضوعية: quaternion, linear matrix equation, dynamical system, zeroing neural network, image restoration, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2473-6988

URL الوصول: https://doaj.org/article/9b8354df28bf46a497502e316fe80d50

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Tamara V. Karpukhina, Theodore E. Simos, Charalampos Tsitouras

المصدر: Mathematics, Vol 11, Iss 11, p 2589 (2023)

مصطلحات موضوعية: initial value problem, Runge-Kutta, step control, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/11/11/2589; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/c290940a53804bd28a8e64e20fa88a7f

المؤلفون: Vladislav N. Kovalnogov, Alexander F. Matveev, Dmitry A. Generalov, Tamara V. Karpukhina, Theodore E. Simos, Charalampos Tsitouras

المصدر: Mathematics, Vol 11, Iss 4, p 891 (2023)

مصطلحات موضوعية: initial value problem, second order, Runge–Kutta–Nyström, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/11/4/891; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/f3ee289ce69243de93694ccb74aa0b5a

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Andrei V. Chukalin, Mariya I. Kornilova, Tamara V. Karpukhina, Anton V. Petrov

المصدر: Energies, Vol 16, Iss 1, p 481 (2023)

مصطلحات موضوعية: wind farm, mathematical modeling, computational fluid dynamics, atmospheric boundary layer, intelligent system, Technology

وصف الملف: electronic resource

Relation: https://www.mdpi.com/1996-1073/16/1/481; https://doaj.org/toc/1996-1073

URL الوصول: https://doaj.org/article/53e22f553a6f42fba05e578278a05e32

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Andrei V. Chukalin, Ekaterina V. Tsvetova, Mariya I. Kornilova

المصدر: Energies, Vol 15, Iss 21, p 8196 (2022)

مصطلحات موضوعية: mathematical modeling, computational fluid dynamics, turbulence, StarCCM+, wind farm, atmospheric boundary layer, Technology

وصف الملف: electronic resource

Relation: https://www.mdpi.com/1996-1073/15/21/8196; https://doaj.org/toc/1996-1073

URL الوصول: https://doaj.org/article/b3918810461340d5badae0fb03b3ecf7

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Tamara V. Karpukhina, Theodore E. Simos, Charalampos Tsitouras

المصدر: Mathematics, Vol 10, Iss 18, p 3247 (2022)

مصطلحات موضوعية: initial value problem, Runge–Kutta, quadruple precision, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/10/18/3247; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/99113dcf837746c095041df111083adb

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Dmitry A. Generalov, Andrey V. Chukalin, Vasilios N. Katsikis, Spyridon D. Mourtas, Theodore E. Simos

المصدر: Mathematics, Vol 10, Iss 18, p 3335 (2022)

مصطلحات موضوعية: portfolio insurance, neural networks, portfolio selection, time-varying linear programming, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/10/18/3335; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/9dddb0dfb2ff4d35bc31e72eceefc540

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Dmitry A. Generalov, Ekaterina V. Tsvetova, Theodore E. Simos, Charalampos Tsitouras

المصدر: Mathematics, Vol 10, Iss 6, p 875 (2022)

مصطلحات موضوعية: initial value problem, Runge–Kutta–Nyström pairs, stability intervals, periodic solutions, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/10/6/875; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/6c89581cd48e45edb461e4393a6c8f23

المؤلفون: Viacheslav V. Saenko, Vladislav N. Kovalnogov, Ruslan V. Fedorov, Dmitry A. Generalov, Ekaterina V. Tsvetova

المصدر: Mathematics, Vol 10, Iss 3, p 511 (2022)

مصطلحات موضوعية: anomalous diffusion equation, continuous time random walk, Monte Carlo method, local estimate, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/10/3/511; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/35d3db09ea0b40708277710b729e7a38

المؤلفون: Viacheslav V. Saenko, Vladislav N. Kovalnogov, Ruslan V. Fedorov, Yuri E. Chamchiyan

المصدر: Mathematics, Vol 9, Iss 24, p 3219 (2021)

مصطلحات موضوعية: Levy walks, anomalous diffusion, fractional material derivative, combustion process, local estimate, Monte Carlo method, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/9/24/3219; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/3ba8ab3fd73b4098b16dc8018fec041a

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Andrey V. Chukalin, Theodore E. Simos, Charalampos Tsitouras

المصدر: Mathematics, Vol 9, Iss 23, p 3071 (2021)

مصطلحات موضوعية: initial value problem (IVP, second-order IVP), Numerov-type methods, two-body problem, perturbed Kepler, differential evolution, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/9/23/3071; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/04dd67c9108845c1a9185961169e5665

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Tamara V. Karpukhina, Theodore E. Simos, Charalampos Tsitouras

المصدر: Mathematics, Vol 9, Iss 21, p 2756 (2021)

مصطلحات موضوعية: initial value problem, numerov methods, differential evolution, periodic solutions, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/9/21/2756; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/8daf2e4af1c0420bab3b9fead9617313

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Andrey V. Chukalin, Theodore E. Simos, Charalampos Tsitouras

المصدر: Mathematics, Vol 9, Iss 18, p 2306 (2021)

مصطلحات موضوعية: initial value problem, oscillatory problems, Runge–Kutta, differential evolution, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/9/18/2306; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/a2e543278e1047eebb46d081e674df02

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Tamara V. Karpukhina, Theodore E. Simos, Charalampos Tsitouras

المصدر: Mathematics, Vol 9, Iss 19, p 2400 (2021)

مصطلحات موضوعية: initial value problem, Runge–Kutta pairs, differential evolution, Kepler orbits, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/9/19/2400; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/103f20c969464246bc683fd22842fa93

المؤلفون: Vladislav N. Kovalnogov, Ruslan V. Fedorov, Yuri A. Khakhalev, Theodore E. Simos, Charalampos Tsitouras

المصدر: Mathematics, Vol 9, Iss 16, p 1842 (2021)

مصطلحات موضوعية: initial value problem, scalar autonomous, Runge–Kutta, differential evolution, functionally fitted methods, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/9/16/1842; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/350e0bd748fb4ad8899ea209de78ab26

المؤلفون: Theodore E. Simos, Charalampos Tsitouras, Vladislav N. Kovalnogov, Ruslan V. Fedorov, Dmitry A. Generalov

المصدر: Mathematics, Vol 9, Iss 6, p 664 (2021)

مصطلحات موضوعية: SIR epidemic model, COVID-19, ordinary differential equations, splines, least squares, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2227-7390/9/6/664; https://doaj.org/toc/2227-7390

URL الوصول: https://doaj.org/article/2245808054964a4a94566517f73b86ab

المؤلفون: Sergey Busygin, Ruslan Fedorov, Tamara Karpukhina, Vladislav N. Kovalnogov, Theodore E. Simos, Charalampos Tsitouras

المصدر: Mathematical Methods in the Applied Sciences. 46:4212-4224

مصطلحات موضوعية: General Mathematics, General Engineering

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::d0fc171e99ab8189a414f1854f62d38a
https://doi.org/10.1002/mma.8750