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This article deals with the second order linear differential equations with entire coefficients. We prove some results involving conditions on coefficients so that the order of growth of every non-trivial solution is infinite.

Complex Variables · Mathematics 2021-02-24 Garima Pant , Manisha Saini

In this article, we study about the solutions of second order linear differential equations by considering several conditions on the coefficients of homogenous linear differential equation and its associated non-homogenous linear…

Complex Variables · Mathematics 2023-06-02 Naveen Mehra , Garima Pant , S. K. Chanyal

Considering differential equation f''+A(z)f'+B(z)f=0, where A(z) and B(z) are entire complex functions, our results revolve around proving all non-trivial solutions are of infinite order taking various restrictions on coefficients A(z) and…

Complex Variables · Mathematics 2021-01-19 Naveen Mehra , V. P. Pande

The main aim of this paper is to study the growth of solutions of higher order linear differential equations using the concepts of $(\alpha ,\beta ,\gamma )$-order and $(\alpha ,\beta ,\gamma )$-type. We obtain some results which improve…

Complex Variables · Mathematics 2023-08-09 Benharrat Belaïdi , Tanmay Biswas

In this paper, we deal with the growth and oscillation of solutions of higher order linear differential equations. Under the conditions that there exists a coefficient which dominates the other coefficients by its lower $% (\alpha ,\beta…

Complex Variables · Mathematics 2024-07-30 Benharrat Belaïdi

In this paper, we have considered second order non-homogeneous linear differential equations having entire coefficients. We have established conditions ensuring non-existence of finite order solution of such type of differential equations.

Complex Variables · Mathematics 2021-03-24 Dinesh Kumar , Sanjay Kumar , Manisha Saini

For a second order linear differential equation $f''+A(z)f'+B(z)f=0$, with $ A(z)$ and $B(z)$ being transcendental entire functions under some restriction, we have established that all non-trivial solutions are of infinite order. In…

Complex Variables · Mathematics 2020-07-29 Manisha Saini , Sanjay Kumar

In this article we have studied complex linear homogeneous difference equations where the coefficients are meromorphic functions, having finite iterated p-phi order. We have made some estimations on the growth of its nontrivial solutions.…

Complex Variables · Mathematics 2022-06-23 Anirban Bandyopadhyay , Chinmay Ghosh , Sanjib Kumar Datta

In this paper, we will prove that all non-trivial solutions of $f''+A(z)f'+B(z)f=0$ are of infinite order, where we have some restrictions on entire functions $A(z)$ and $B(z)$.

Complex Variables · Mathematics 2020-01-30 Sanjay Kumar , Naveen Mehra , Manisha Saini

We have discussed the problem of finding the condition on coefficients of $f''+A(z)f'+B(z)f=0, \quad B(z)(\not \equiv 0)$ so that all non-trivial solutions are of infinite order. The hyper-order of these non-trivial solutions of infinite…

Complex Variables · Mathematics 2019-04-16 Manisha Saini

In this paper, we study the growth of solutions to higher-order complex linear differential equations in the unit disc, where the analytic coefficients are of finite ({\alpha},\b{eta},{\gamma})-order. By employing the concepts of…

Complex Variables · Mathematics 2025-12-30 Amina Halima Arrouche , Benharrat Belaïdi

This article contains the theorems which shows that when $A(z)=h_1(z)e^{P_1(z)}$ and $B(z)=h_0(z)e^{P_0(z)}$ are of same order,then all the non-trivial solutions of equation $f"+A(z)f'+B(z)f=0$ are of infinite order. Moreover we extend…

Complex Variables · Mathematics 2021-11-30 Naveen Mehra , S. K. Chanyal

We first highlight the main differences between second order and higher order linear parabolic equations. Then we survey existing results for the latter, in particular by analyzing the behavior of the convolution kernels. We illustrate the…

Analysis of PDEs · Mathematics 2012-12-21 Gerassimos Barbatis , Filippo Gazzola

In this article, we deal with the order of growth of solutions of non-homogeneous linear differential-difference equation \begin{equation*} \sum_{i=0}^{n}\sum_{j=0}^{m}A_{ij}f^{(j)}(z+c_{i})=F(z), \end{equation*} where $A_{ij},$ $F\left(…

Complex Variables · Mathematics 2021-06-02 Rachid Bellaama , Benharrat Belaïdi

In this work, we investigate the existence of positive solutions for a multi-point boundary value problem for a second order delay differential equation. Under certain growth conditions on the nonlinearity, and by the mean of Leray-Schauder…

Analysis of PDEs · Mathematics 2018-01-09 Abdelkader Lakmeche , Horiya Habbaze , Ahmed Lakmeche

We give an alternative and simpler method for getting pointwise estimate of meromorphic solutions of homogeneous linear differential equations with coefficients meromorphic in a finite disk or in the open plane originally obtained by Hayman…

Complex Variables · Mathematics 2013-12-24 Yik-Man Chiang

Necessary conditions are obtained for certain types of rational delay differential equations to admit a non-rational meromorphic solution of hyper-order less than one. The equations obtained include delay Painlev\'e equations and equations…

Complex Variables · Mathematics 2016-02-29 Rod Halburd , Risto Korhonen

In this paper we have studied the growth of meromorphic solutions of higher order homogeneous and non-homogeneous linear difference equations with entire and meromorphic coefficients. We have extended and improved some results of Zhou and…

Complex Variables · Mathematics 2022-01-06 Chinmay Ghosh , Subhadip Khan , Anirban Bandyopadhyay

We show that a class of divergence-form elliptic problems with quadratic growth in the gradient and non-coercive zero order terms are solvable, under essentially optimal hypotheses on the coefficients in the equation. In addition, we prove…

Analysis of PDEs · Mathematics 2012-10-25 Louis Jeanjean , Boyan Sirakov

This research concerns coefficient conditions for linear differential equations in the unit disc of the complex plane. In the higher order case the separation of zeros (of maximal multiplicity) of solutions is considered, while in the…

Complex Variables · Mathematics 2018-10-01 Janne Gröhn , Juha-Matti Huusko , Jouni Rättyä
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