Property $ \bar{A} $ of third-order noncanonical functional differential equations with positive and negative terms

In this article, we have derived a new method to study the oscillatory and asymptotic properties for third-order noncanonical functional differential equations with both positive and negative terms of the form $ \begin{equation*} (p_2 (t)(p_1 (t) x'(t) )')'+a(t)g(x(\tau(t)))-b(t)h(...

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Main Authors: S. Sangeetha, S. K. Thamilvanan, S. S. Santra, S. Noeiaghdam, M. Abdollahzadeh
Format: Article
Language:English
Published: AIMS Press 2023-04-01
Series:AIMS Mathematics
Subjects:
Online Access:https://www.aimspress.com/article/doi/10.3934/math.2023724?viewType=HTML
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author S. Sangeetha
S. K. Thamilvanan
S. S. Santra
S. Noeiaghdam
M. Abdollahzadeh
author_facet S. Sangeetha
S. K. Thamilvanan
S. S. Santra
S. Noeiaghdam
M. Abdollahzadeh
author_sort S. Sangeetha
collection DOAJ
description In this article, we have derived a new method to study the oscillatory and asymptotic properties for third-order noncanonical functional differential equations with both positive and negative terms of the form $ \begin{equation*} (p_2 (t)(p_1 (t) x'(t) )')'+a(t)g(x(\tau(t)))-b(t)h(x(\sigma(t)) = 0 \end{equation*} $ Firstly, we have converted the above equation of noncanonical type into the canonical type using the strongly noncanonical operator and obtained some new conditions for Property $ \bar{A} $. We furnished illustrative examples to validate our main result.
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spelling doaj.art-dd1f85d99edb4251ba27edb569a1db472023-04-24T01:17:31ZengAIMS PressAIMS Mathematics2473-69882023-04-0186141671417910.3934/math.2023724Property $ \bar{A} $ of third-order noncanonical functional differential equations with positive and negative termsS. Sangeetha0S. K. Thamilvanan1S. S. Santra2S. Noeiaghdam3M. Abdollahzadeh41. Department of Mathematics, SRM University, Kattankulathur 603203, Tamilnadu, India1. Department of Mathematics, SRM University, Kattankulathur 603203, Tamilnadu, India2. Department of Mathematics, JIS College of Engineering, Kalyani, Nadia, West Bengal 741235, India 3. Department of Mathematics, Applied Science Cluster, University of Petroleum and Energy Studies, Dehradun, Uttarakhand 248007, India4. Department of Applied Mathematics and Programming, South Ural State University, Lenin prospect 76, Chelyabinsk 454080, Russia5. School of Information Technology and Data Science, Irkutsk National Research Technical University, Irkutsk 664074, RussiaIn this article, we have derived a new method to study the oscillatory and asymptotic properties for third-order noncanonical functional differential equations with both positive and negative terms of the form $ \begin{equation*} (p_2 (t)(p_1 (t) x'(t) )')'+a(t)g(x(\tau(t)))-b(t)h(x(\sigma(t)) = 0 \end{equation*} $ Firstly, we have converted the above equation of noncanonical type into the canonical type using the strongly noncanonical operator and obtained some new conditions for Property $ \bar{A} $. We furnished illustrative examples to validate our main result.https://www.aimspress.com/article/doi/10.3934/math.2023724?viewType=HTMLproperty $ \bar{a} $third-ordernoncanonicaldelay argument
spellingShingle S. Sangeetha
S. K. Thamilvanan
S. S. Santra
S. Noeiaghdam
M. Abdollahzadeh
Property $ \bar{A} $ of third-order noncanonical functional differential equations with positive and negative terms
AIMS Mathematics
property $ \bar{a} $
third-order
noncanonical
delay argument
title Property $ \bar{A} $ of third-order noncanonical functional differential equations with positive and negative terms
title_full Property $ \bar{A} $ of third-order noncanonical functional differential equations with positive and negative terms
title_fullStr Property $ \bar{A} $ of third-order noncanonical functional differential equations with positive and negative terms
title_full_unstemmed Property $ \bar{A} $ of third-order noncanonical functional differential equations with positive and negative terms
title_short Property $ \bar{A} $ of third-order noncanonical functional differential equations with positive and negative terms
title_sort property bar a of third order noncanonical functional differential equations with positive and negative terms
topic property $ \bar{a} $
third-order
noncanonical
delay argument
url https://www.aimspress.com/article/doi/10.3934/math.2023724?viewType=HTML
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AT skthamilvanan propertybaraofthirdordernoncanonicalfunctionaldifferentialequationswithpositiveandnegativeterms
AT sssantra propertybaraofthirdordernoncanonicalfunctionaldifferentialequationswithpositiveandnegativeterms
AT snoeiaghdam propertybaraofthirdordernoncanonicalfunctionaldifferentialequationswithpositiveandnegativeterms
AT mabdollahzadeh propertybaraofthirdordernoncanonicalfunctionaldifferentialequationswithpositiveandnegativeterms