Fixed-time and state-dependent time discontinuities in the theory of Stieltjes differential equations

In the present paper, we are concerned with a very general problem, namely the Stieltjes differential Cauchy problem involving state-dependent discontinuities. Given that the theory of Stieltjes differential equations covers the framework of impulsive problems with fixed-time impulses, in the prese...

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Main Author: Bianca Satco
Format: Article
Language:English
Published: University of Szeged 2022-07-01
Series:Electronic Journal of Qualitative Theory of Differential Equations
Subjects:
Online Access:http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=9766
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author Bianca Satco
author_facet Bianca Satco
author_sort Bianca Satco
collection DOAJ
description In the present paper, we are concerned with a very general problem, namely the Stieltjes differential Cauchy problem involving state-dependent discontinuities. Given that the theory of Stieltjes differential equations covers the framework of impulsive problems with fixed-time impulses, in the present work we generalize this setting by allowing the occurrence of fixed-time impulses, as well as the occurrence of state-dependent impulses. Along with an existence result obtained under an overarching set of assumptions involving Stieltjes integrals, it is showed that a least and a greatest solution can be found.
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spelling doaj.art-6d5c1bcdac234c499338393f256cba512023-05-09T07:53:12ZengUniversity of SzegedElectronic Journal of Qualitative Theory of Differential Equations1417-38752022-07-0120222811710.14232/ejqtde.2022.1.289766Fixed-time and state-dependent time discontinuities in the theory of Stieltjes differential equationsBianca Satco0Stefan cel Mare University, Suceava, RomaniaIn the present paper, we are concerned with a very general problem, namely the Stieltjes differential Cauchy problem involving state-dependent discontinuities. Given that the theory of Stieltjes differential equations covers the framework of impulsive problems with fixed-time impulses, in the present work we generalize this setting by allowing the occurrence of fixed-time impulses, as well as the occurrence of state-dependent impulses. Along with an existence result obtained under an overarching set of assumptions involving Stieltjes integrals, it is showed that a least and a greatest solution can be found.http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=9766stieltjes differential equationstate-dependent impulsive equationstieltjes integralextremal solution
spellingShingle Bianca Satco
Fixed-time and state-dependent time discontinuities in the theory of Stieltjes differential equations
Electronic Journal of Qualitative Theory of Differential Equations
stieltjes differential equation
state-dependent impulsive equation
stieltjes integral
extremal solution
title Fixed-time and state-dependent time discontinuities in the theory of Stieltjes differential equations
title_full Fixed-time and state-dependent time discontinuities in the theory of Stieltjes differential equations
title_fullStr Fixed-time and state-dependent time discontinuities in the theory of Stieltjes differential equations
title_full_unstemmed Fixed-time and state-dependent time discontinuities in the theory of Stieltjes differential equations
title_short Fixed-time and state-dependent time discontinuities in the theory of Stieltjes differential equations
title_sort fixed time and state dependent time discontinuities in the theory of stieltjes differential equations
topic stieltjes differential equation
state-dependent impulsive equation
stieltjes integral
extremal solution
url http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=9766
work_keys_str_mv AT biancasatco fixedtimeandstatedependenttimediscontinuitiesinthetheoryofstieltjesdifferentialequations