Results 11 to 20 of about 11,648,998 (193)

On Kneser Solutions of the n-th Order Nonlinear Differential Inclusions [PDF]

Czechoslovak Mathematical Journal, 2018
The paper deals with the existence of a Kneser solution of the n-th order nonlinear differential inclusion $${x^{(n)}}(t) \in - {A_1}(t,x,(t),...,{x^{(n - 1)}}(t)){x^{(n - 1)}}(t) - ... - {A_n}(t,x(t),...,{x^{(n - 1)}}(t))x(t)\;\text{for}\;\text{a.a.}\;t\
M. Pavlačková
semanticscholar   +4 more sources

Global Kneser solutions to nonlinear equations with indefinite weight

Discrete and Continuous Dynamical Systems - B, 2018
The paper deals with the nonlinear differential equation \begin{document}$\bigl(a(t)\Phi(x^{\prime})\bigr)^{\prime}+b(t)F(x)=0,\ \ \ t\in\lbrack1,\infty),$ \end{document} in the case when the weight \begin{document}$b$\end{document} has indefinite sign ...
Z. Došlá, M. Marini, S. Matucci
semanticscholar   +5 more sources

On the Kneser problem for two-dimensional differential systems with advanced arguments

Journal of Inequalities and Applications, 2002
For the differential system with advanced arguments , sufficient conditions are established for the existence and uniqueness of a solution of the Kneser problem and the asymptotic behaviour of this solution is studied.
Kiguradze I, Partsvania N
doaj   +1 more source

Existence and bounds for Kneser-type solutions to noncanonical third-order neutral differential equations

Electronic Journal of Differential Equations
This article focuses on the existence and asymptotic behavior of Kneser-type solutions to third-order noncanonical  differential equations with a delay or advanced argument in the neutral term $$ \Big(r_2(t)\big(r_1(t)z'(t)\big)'\Big)'+g(t)x(t)=0 ...
Ganesh Purushothaman, Kannan Suresh, Ethiraju Thandapani, Ercan Tunc   +3 more
doaj   +5 more sources

On existence of Kneser solutions of a certain class of $n$-th order nonlinear differential equations [PDF]

Mathematica Bohemica, 1998
Summary: The paper deals with the existence of Kneser solutions to \(n\)th-order nonlinear differential equations with quasiderivatives.
Palumbíny, Oleg
openaire   +4 more sources

On Kneser Solutions of Nonlinear Third Order Differential Equations

Journal of Mathematical Analysis and Applications, 2001
The paper concerns the third-order differential equation \(y'''(t)+q(t)y'(t)+f(y(t))=0\) on \([0,+\infty)\). Existence and asymptotic behaviour of Kneser solutions \(y\) are investigated, which are either positive, decreasing, and convex, or negative, increasing, and concave on some \([t_y,+\infty)\).
M. Bartušek, Mariella Cecchi, M. Marini
semanticscholar   +3 more sources

The Transcription Factor SOX18 Inhibitor Small Molecule 4 Is a Potential Treatment of Cancer-Induced Lymphatic Metastasis and Lymphangiosarcoma. [PDF]

Cancer Rep (Hoboken)
ABSTRACT Background Malignant tumors release growth factors, promoting lymphangiogenesis in primary tumors and draining sentinel lymph nodes, ultimately facilitating lymph node metastasis. As a malignant lymphatic tumor entity, lymphangiosarcomas are characterized by low survival rates and limited treatment options. The transcription factor SOX18 plays
Koll KK, Zimmermann MM, Will PA, Kneser U, Hirche C.   +4 more
europepmc   +2 more sources

KNESER'S THEOREM FOR WEAK SOLUTIONS OF AN INTEGRAL EQUATION WITH WEAKLY SINGULAR KERNEL [PDF]

Publications de l'Institut Mathematique, 2005
We prove that the set of all weak solutions of the Volterra integral equation (1) is nonempty, compact and connected.
A. Dutkiewicz, S. Szufla
semanticscholar   +3 more sources

Kneser's Property of Solution Families of Non.linear Volterra Integral Equations

Proceedings of the Japan Academy, Series A, Mathematical Sciences, 1974
Consider a system of nonlinear integral equations of Volterra-type (P) x(t) f(t)+[o g(t, s, x(s))ds. Recently R. K. Miller and G. R. Sell [1] proved some fundamental theorems of (P) under airly general assumptions on f(t) and g(t, s, x) similaro the Carathodory-ype.
S. Nakagiri, H. Murakami
semanticscholar   +3 more sources

On Conservative Averaging Method in Spline Applications

Современные информационные технологии и IT-образование, 2020
We consider the conservative averaging method for solving the 3-D boundary-value problem of second order in multilayer domain. Looking back to the history of mathematics, integral parabolic splines relates to conservative averaging method (CAM ...
Harijs Kalis, Ilmars Kangro
doaj   +1 more source