Zobrazeno 1 - 10
of 168
pro vyhledávání: '"Circular points at infinity"'
Publikováno v:
PHYSICO-MATHEMATICAL SERIES. 2:142-148
In solving applied problems one often encounters with the construction of spatial curves for a number of pre-set conditions. As a rule, the constructed curve is set by a set of pre-calculated or experimentally obtained conditions (points, tangents, v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a738771dc8240ca27fd83e8e1f59ea56
https://doi.org/10.32014/2020.2518-1726.26
https://doi.org/10.32014/2020.2518-1726.26
Autor:
Galina Koval
Publikováno v:
APPLIED GEOMETRY AND ENGINEERING GRAPHICS. :69-74
In geometric modeling of contours, in most cases it is convenient to use the equations of curves written in a parametric form. In this case, when modeling flat contours of the first order of smoothness, can be used circular arcs. The article proposes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b8bef5681be59e44b071ff80888aba6
https://doi.org/10.32347/0131-579x.2020.97.69-74
https://doi.org/10.32347/0131-579x.2020.97.69-74
Publikováno v:
Nonlinear Analysis: Real World Applications. 41:82-106
In this paper, we study bifurcation of limit cycles from the equator of piecewise polynomial systems with no singular points at infinity. We develop a method for computing the Lyapunov constants at infinity of piecewise polynomial systems. In particu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b85d8631c4d841f157cbd581453897eb
https://doi.org/10.1016/j.nonrwa.2017.10.003
https://doi.org/10.1016/j.nonrwa.2017.10.003
Autor:
Roman Šimon Hilscher, Petr Zemánek
Publikováno v:
Annali di Matematica Pura ed Applicata (1923 -). 197:283-306
New results in the Weyl–Titchmarsh theory for linear Hamiltonian differential systems are derived by using principal and antiprincipal solutions at infinity. In particular, a non-limit circle case criterion is established and a close connection bet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19eb9c6755fe7d96e7f48c25f9652e0b
https://doi.org/10.1007/s10231-017-0679-7
https://doi.org/10.1007/s10231-017-0679-7
Autor:
Irina Strukova
Publikováno v:
Vestnik Volgogradskogo gosudarstvennogo universiteta. Serija 1. Mathematica. Physica. :29-38
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c171de8c84382908233a82c4777c936
https://doi.org/10.15688/jvolsu1.2017.2.3
https://doi.org/10.15688/jvolsu1.2017.2.3
Autor:
Mohameden Ahmedou, Mohamed Ben Ayed
Publikováno v:
Advanced Nonlinear Studies. 17:139-166
We consider the following Liouville-type equation on domains of ℝ 2 ${\mathbb{R}^{2}}$ under Dirichlet boundary conditions: { - Δ u = ϱ K e u ∫ Ω K e u in Ω , u = 0 on ∂ Ω , $\left\{\begin{aligned} \displaystyle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58a6483869f0f4ef4b1a6f4184f79ef9
https://doi.org/10.1515/ans-2016-6016
https://doi.org/10.1515/ans-2016-6016
Autor:
Leo Depuydt
Publikováno v:
Advances in Pure Mathematics. :75-133
The number circle—that is, the notion that the largest possible positive numbers are followed by infinity and then by the smallest possible negative numbers—is not new. L. Euler defended it in the eighteenth century and, before him, J. Wallis con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f795583c32e03e4a6a7fed06361ab773
https://doi.org/10.4236/apm.2017.71007
https://doi.org/10.4236/apm.2017.71007
Publikováno v:
Discrete & Continuous Dynamical Systems - A. 37:1789-1818
We consider the following mean field type equations on domains of \begin{document}$\mathbb R^2$\end{document} under Dirichlet boundary conditions: \begin{document}$\left\{ \begin{array}{l} - \Delta u = \varrho \frac{{K {e^u}}}{{\int_\Omega {K {e^u}}
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44ac1ca261ecb35a421c50b132768a5c
https://doi.org/10.3934/dcds.2017075
https://doi.org/10.3934/dcds.2017075
Autor:
Vladimir Sh. Roitenberg
Publikováno v:
Bulletin of the Moscow State Regional University (Physics and Mathematics). :6-15
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80830b214f2aad87bab44ebf0bcd3039
https://doi.org/10.18384/2310-7251-2017-2-6-15
https://doi.org/10.18384/2310-7251-2017-2-6-15
Autor:
Ripsimе Akopyan
Publikováno v:
Vestnik Volgogradskogo gosudarstvennogo universiteta. Serija 1. Mathematica. Physica. :7-12
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6e698209ac3a17486294819d6aef684
https://doi.org/10.15688/jvolsu1.2016.5.1
https://doi.org/10.15688/jvolsu1.2016.5.1