Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Nikolaev Nikita"'
Autor:
Smolentsev Sergey, Smirnov Alexander, Kislitsyna Nadezhda, Papunidi Ellada, Makarov Andrey, Garafutdinova Nadezhda, Nikolaev Nikita, Abdullina Leysan, Beloglazova Olga
Publikováno v:
BIO Web of Conferences, Vol 65, p 02004 (2023)
The purpose of the study was to develop a comprehensive system of veterinary and sanitary examination of the safety and quality of slaughter products of Zaanen goats. The studies were conducted on goats at the age of 36 months. According to the resul
Externí odkaz:
https://doaj.org/article/939e953baa00418ebe14e5a7827fcdd4
Autor:
Shakhov Sergey, Nikolaev Nikita
Publikováno v:
MATEC Web of Conferences, Vol 239, p 04022 (2018)
The purpose of work: the choice of the rational composition of the batch mixture, which improves the molding properties of the silt loams in the production of wall ceramics by the method of plastic molding. In the course of the study, the fraction-si
Externí odkaz:
https://doaj.org/article/a160b1c0194c44608c1f7c3dac7ef027
Autor:
Nikolaev, Nikita
We prove a general existence and uniqueness theorem for holomorphic perturbative solutions of singularly perturbed nonlinear complex differential systems of the form $\hbar \partial_x f = F (x, \hbar, f)$ where $\hbar$ is a small complex perturbation
Externí odkaz:
http://arxiv.org/abs/2201.04526
Autor:
Nikolaev, Nikita
We prove an Asymptotic Implicit Function Theorem in the setting of Gevrey asymptotics with respect to a parameter. The unique implicitly defined solution admits a Gevrey asymptotic expansion and furthermore it is the Borel resummation of the correspo
Externí odkaz:
http://arxiv.org/abs/2112.08792
Autor:
Nikolaev, Nikita
Publikováno v:
Commun. Math. Phys. 400 (2023) 463-517
We prove an existence and uniqueness theorem for exact WKB solutions of general singularly perturbed linear second-order ODEs in the complex domain. These include the one-dimensional time-independent complex Schr\"odinger equation. Notably, our resul
Externí odkaz:
http://arxiv.org/abs/2106.10248
Autor:
Nikolaev, Nikita, Isakova, Victoria, Vnukova, Natalia, Еlesina, Victoria, Glushenko, Gariy, Tomashevich, Yevgeny, Churilov, Grigory
Publikováno v:
In Diamond & Related Materials February 2024 142
Autor:
Nikolaev, Nikita
Publikováno v:
Nagoya Mathematical Journal 250 (2023) 434-469
The singularly perturbed Riccati equation is the first-order nonlinear ODE $\hbar \partial_x f = af^2 + bf + c$ in the complex domain where $\hbar$ is a small complex parameter. We prove an existence and uniqueness theorem for exact solutions with pr
Externí odkaz:
http://arxiv.org/abs/2008.06492
Autor:
Nikolaev, Nikita
We study singularly perturbed linear systems of rank two of ordinary differential equations of the form $\hbar x\partial_x \psi (x, \hbar) + A (x, \hbar) \psi (x, \hbar) = 0$, with a regular singularity at $x = 0$, and with a fixed asymptotic regular
Externí odkaz:
http://arxiv.org/abs/1909.04011
Autor:
Nikolaev, Nikita
Publikováno v:
Sel. Math. New Ser. 27, 78 (2021)
We prove a functorial correspondence between a category of logarithmic $\mathfrak{sl}_2$-connections on a curve $X$ with fixed generic residues and a category of abelian logarithmic connections on an appropriate spectral double cover $\pi : \Sigma \t
Externí odkaz:
http://arxiv.org/abs/1902.03384
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