<p>In this paper, we study fuzzy Volterra integro-dynamic equations with fuzzy kernels under <InlineEquation ID="IEq4"> <EquationSource Format="TEX">\(\Delta _{\psi }\)</EquationSource> <EquationSource Format="MATHML"><math> <msub> <mi mathvariant="normal">Δ</mi> <mi>ψ</mi> </msub> </math></EquationSource> </InlineEquation>-differentiability for <InlineEquation ID="IEq5"> <EquationSource Format="TEX">\(\mathcal {S}\)</EquationSource> <EquationSource Format="MATHML"><math> <mi mathvariant="script">S</mi> </math></EquationSource> </InlineEquation>-linearly correlated fuzzy processes on time scales. In particular, we propose a fuzzy Adomian decomposition method to solve these equations, demonstrating that it leads to a series that approaches the unique solution of the fuzzy Volterra integro-dynamic equations. Additionally, we investigate the relationships between fuzzy initial value problems for nth-order fuzzy dynamic equations and fuzzy Volterra integral equations, as well as, between fuzzy Volterra integro-dynamic equations and fuzzy initial value problems for <InlineEquation ID="IEq6"> <EquationSource Format="TEX">\(\mathcal {S}\)</EquationSource> <EquationSource Format="MATHML"><math> <mi mathvariant="script">S</mi> </math></EquationSource> </InlineEquation>-linearly correlated fuzzy processes on time scales. As a consequence of the developed theory, the fuzzy Adomian decomposition method is applied to solve initial value problems for <i>n</i>th order fuzzy dynamic equations. To demonstrate its effectiveness, an application to fuzzy damped spring-mass systems is presented. Several illustrative examples are provided to demonstrate our results, as well.</p>

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Fuzzy Volterra integro-dynamic equations for \(\mathcal {S}\)-linearly correlated fuzzy processes on time scales

  • M. Shahidi,
  • E. Esmi,
  • L. C. Barros

摘要

In this paper, we study fuzzy Volterra integro-dynamic equations with fuzzy kernels under \(\Delta _{\psi }\) Δ ψ -differentiability for \(\mathcal {S}\) S -linearly correlated fuzzy processes on time scales. In particular, we propose a fuzzy Adomian decomposition method to solve these equations, demonstrating that it leads to a series that approaches the unique solution of the fuzzy Volterra integro-dynamic equations. Additionally, we investigate the relationships between fuzzy initial value problems for nth-order fuzzy dynamic equations and fuzzy Volterra integral equations, as well as, between fuzzy Volterra integro-dynamic equations and fuzzy initial value problems for \(\mathcal {S}\) S -linearly correlated fuzzy processes on time scales. As a consequence of the developed theory, the fuzzy Adomian decomposition method is applied to solve initial value problems for nth order fuzzy dynamic equations. To demonstrate its effectiveness, an application to fuzzy damped spring-mass systems is presented. Several illustrative examples are provided to demonstrate our results, as well.