Zobrazeno 1 - 10
of 824
pro vyhledávání: '"A A Sevastianov"'
Publikováno v:
Discrete and Continuous Models and Applied Computational Science, Vol 32, Iss 1, Pp 74-85 (2024)
For one-dimensional inhomogeneous (with respect to the spatial variable) linear parabolic equations, a combined approach is used, dividing the original problem into two subproblems. The first of them is an inhomogeneous one-dimensional Poisson proble
Externí odkaz:
https://doaj.org/article/75fa4f608d6b484d8d0431bd04607761
Autor:
Sergey P. Karnilovich, Konstantin P. Lovetskiy, Leonid A. Sevastianov, Svetlana B. Strashnova, Yahya N. Shaar
Publikováno v:
Discrete and Continuous Models and Applied Computational Science, Vol 32, Iss 1, Pp 122-127 (2024)
Average equations of motion of relativistic charged particles in the field of HF (high frequency) wave packets are obtained in the range of cyclotron resonance in the case of strong LF (low frequency) electric field. Strong electric field means that
Externí odkaz:
https://doaj.org/article/429437b0b3e140b88a5d899b11c978c6
Publikováno v:
ZooKeys, Vol 1200, Iss , Pp 1-26 (2024)
The songs of seven grasshopper species of subfamily Gomphocerinae from Russia, Ukraine, Georgia, and Kazakhstan were studied. We analysed not only the sound, but also the stridulatory movements of the hind legs to more entirely describe the songs. In
Externí odkaz:
https://doaj.org/article/444a87ec3df74e72ae75423a2bf2428a
Autor:
Sorokina, Svetlana1 (AUTHOR) svetlana_ibr@mail.ru, Sevastianov, Nikita2 (AUTHOR) tegipokorolet@gmail.com, Tarasova, Tatiana2 (AUTHOR) thomisida@gmail.com, Vedenina, Varvara2 (AUTHOR) vedenin@iitp.ru
Publikováno v:
Insects (2075-4450). Aug2024, Vol. 15 Issue 8, p592. 19p.
Publikováno v:
Discrete and Continuous Models and Applied Computational Science, Vol 31, Iss 2, Pp 150-163 (2023)
The spectral collocation method for solving two-point boundary value problems for second order differential equations is implemented, based on representing the solution as an expansion in Chebyshev polynomials. The approach allows a stable calculatio
Externí odkaz:
https://doaj.org/article/a6a7075c588f4a7b9357626c3bd0a440
Publikováno v:
Mathematics, Vol 12, Iss 17, p 2725 (2024)
This paper explores the numerical intergator of ODE based on combination of Appelroth’s quadratization of dynamical systems with polynomial right-hand sides and Kahan’s discretization method. Utilizing Appelroth’s technique, we reduce any syste
Externí odkaz:
https://doaj.org/article/f5634470396041389980e2b08b7652ba
Publikováno v:
Insects, Vol 15, Iss 8, p 592 (2024)
The two cryptic grasshopper species of the genus Stenobothrus, S. eurasius and S. hyalosuperficies, demonstrate different acoustic behavior despite a strong similarity in morphology. A hybridization between these species is possible in the contact zo
Externí odkaz:
https://doaj.org/article/1e9bbd3e35cb4cafbac81f8e0faa0bfd
Autor:
Albina A. Kondratenko, Dmitry V. Tovpeko, Daniil A. Volov, Lidia I. Kalyuzhnaya, Vladimir E. Chernov, Ruslan I. Glushakov, Maria Y. Sirotkina, Dmitry A. Zemlyanoy, Natalya B. Bildyug, Sergey V. Chebotarev, Elga I. Alexander-Sinclair, Alexey V. Nashchekin, Aleksandra D. Belova, Alexey M. Grigoriev, Ludmila A. Kirsanova, Yulia B. Basok, Victor I. Sevastianov
Publikováno v:
Biomimetics, Vol 9, Iss 7, p 405 (2024)
The umbilical cord is a material that enhances regeneration and is devoid of age-related changes in the extracellular matrix (ECM). The aim of this work was to develop a biodegradable scaffold from a decellularized human umbilical cord (UC-scaffold)
Externí odkaz:
https://doaj.org/article/0f227be243b84363b8d9c743a1f6a4e1
We consider the construction of the fundamental function and Abelian differentials of the third kind on a plane algebraic curve over the field of complex numbers that has no singular points. The algorithm for constructing differentials of the third k
Externí odkaz:
http://arxiv.org/abs/2105.07875
Autor:
Malykh, Mikhail, Sevastianov, Leonid
Difference schemes are considered for dynamical systems $ \dot x = f (x) $ with a quadratic right-hand side, which have $t$-symmetry and are reversible. Reversibility is interpreted in the sense that the Cremona transformation is performed at each st
Externí odkaz:
http://arxiv.org/abs/2104.14507