scholarly journals Galois Groups of Second and Third Order Linear Differential Equations

1993 ◽  
Vol 16 (1) ◽  
pp. 9-36 ◽  
Author(s):  
Michael F. Singer ◽  
Felix Ulmer
Keyword(s):  
Differential Equations ◽  
Galois Groups ◽  
Linear Differential Equations ◽  
Third Order ◽  
Order Linear ◽  
Linear Differential

scholarly journals On non-homogeneous canonical third-order linear differential equations

1994 ◽  
Vol 57 (2) ◽  
pp. 138-148 ◽  
Author(s):  
N. Parhi
Keyword(s):  
Differential Equations ◽  
Linear Equations ◽  
Sufficient Conditions ◽  
Linear Differential Equations ◽  
Third Order ◽  
Order Linear ◽  
Non Linear ◽  
Linear Differential ◽  
Non Linear Equations

AbstractIn this paper sufficient conditions have been obtained for non-oscillation of non-homogeneous canonical linear differential equations of third order. Some of these results have been extended to non-linear equations.

scholarly journals Calculating Galois groups of third-order linear differential equations with parameters

2018 ◽  
Vol 20 (04) ◽  
pp. 1750038
Author(s):  
Andrei Minchenko ◽  
Alexey Ovchinnikov
Keyword(s):  
Differential Equation ◽  
Differential Equations ◽  
Galois Group ◽  
Galois Groups ◽  
Linear Differential Equations ◽  
Unipotent Radical ◽  
Third Order ◽  
Differential Galois Group ◽  
Bessel Differential Equation ◽  
Linear Differential

Motivated by developing algorithms that decide hypertranscendence of solutions of extensions of the Bessel differential equation, algorithms computing the unipotent radical of a parameterized differential Galois group have been recently developed. Extensions of Bessel’s equation, such as the Lommel equation, can be viewed as homogeneous parameterized linear differential equations of the third order. In this paper, we give the first known algorithm that calculates the differential Galois group of a third-order parameterized linear differential equation.

Third Order Linear Differential Equations

1988 ◽  
Vol 72 (459) ◽  
pp. 68
Author(s):  
R. L. E. Schwarzenberger ◽  
M. Gregus
Keyword(s):  
Differential Equations ◽  
Linear Differential Equations ◽  
Third Order ◽  
Order Linear ◽  
Linear Differential

scholarly journals Distributions of Zeros of Solutions for Third-Order Differential Equations with Variable Coefficients

2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Samir H. Saker ◽  
Mohammed A. Arahet
Keyword(s):  
Differential Equations ◽  
Lower Bounds ◽  
Variable Coefficients ◽  
Linear Differential Equations ◽  
Third Order ◽  
Order Linear ◽  
The Third ◽  
Hardy's Inequality ◽  
Zeros Of Solutions ◽  
Linear Differential

For the third-order linear differential equations of the formr(t)x′′(t)′+p(t)x′(t)+q(t)x(t)=0, we will establish lower bounds for the distance between zeros of a solution and/or its derivatives. The main results will be proved by making use of Hardy’s inequality and some generalizations of Opial and Wirtinger type inequalities.

scholarly journals The distribution of zeros of solutions for a class of third order differential equation

2021 ◽  
Vol 40 (5) ◽  
pp. 1301-1321
Author(s):  
Clemente Cesarano ◽  
Mohammed A. Arahet ◽  
Tareq M. Al-Shami
Keyword(s):  
Differential Equation ◽  
Differential Equations ◽  
Lower Bounds ◽  
Order Differential Equation ◽  
Linear Differential Equations ◽  
Distribution Of Zeros ◽  
Third Order ◽  
Order Linear ◽  
Zeros Of Solutions ◽  
Linear Differential

For third order linear differential equations of the form r(t)x'(t)''+ p(t)x'(t) + q(t)x(t) = 0; we will establish lower bounds for the distance between zeros of a solution and/or its derivatives. The main results will be proved by making use of Hardyís inequality, some generalizations of Opialís inequality and Boydís inequality.

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