The range of time delay and the global stability of the equilibrium for an IVGTT model (Articolo in rivista)

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  • The range of time delay and the global stability of the equilibrium for an IVGTT model (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.mbs.2011.11.005 (literal)
Alternative label
  • Li, JX (Li, Jiaxu)1; Wang, MH (Wang, Minghu)1; De Gaetano, A (De Gaetano, Andrea)2; Palumbo, P (Palumbo, Pasquale)3; Panunzi, S (Panunzi, Simona)2 (2012)
    The range of time delay and the global stability of the equilibrium for an IVGTT model
    in Mathematical biosciences
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Li, JX (Li, Jiaxu)1; Wang, MH (Wang, Minghu)1; De Gaetano, A (De Gaetano, Andrea)2; Palumbo, P (Palumbo, Pasquale)3; Panunzi, S (Panunzi, Simona)2 (literal)
Pagina inizio
  • 128 (literal)
Pagina fine
  • 137 (literal)
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  • 235 (literal)
Rivista
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  • Available online 19 November 2011, doi:10.1016/j.mbs.2011.11.005 (literal)
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  • 9 (literal)
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  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Li, JX (Li, Jiaxu)1; Wang, MH (Wang, Minghu)1; De Gaetano, A (De Gaetano, Andrea)2; Palumbo, P (Palumbo, Pasquale)3; Panunzi, S (Panunzi, Simona)2 (literal)
Titolo
  • The range of time delay and the global stability of the equilibrium for an IVGTT model (literal)
Abstract
  • (0) Save to: more options The range of time delay and the global stability of the equilibrium for an IVGTT model Author(s): Li, JX (Li, Jiaxu)1; Wang, MH (Wang, Minghu)1; De Gaetano, A (De Gaetano, Andrea)2; Palumbo, P (Palumbo, Pasquale)3; Panunzi, S (Panunzi, Simona)2 Source: MATHEMATICAL BIOSCIENCES Volume: 235 Issue: 2 Pages: 128-137 DOI: 10.1016/j.mbs.2011.11.005 Published: FEB 2012 Times Cited: 0 (from Web of Science) Cited References: 31 [ view related records ] Citation Map Abstract: Diabetes mellitus has become a prevalent disease in the world. Diagnostic protocol for the onset of diabetes mellitus is the initial step in the treatments. The intravenous glucose tolerance test (IVGIT) has been considered as the most accurate method to determine the insulin sensitivity and glucose effectiveness. It is well known that there exists a time delay in insulin secretion stimulated by the elevated glucose concentration level. However, the range of the length of the delay in the existing IVGTT models are not fully discussed and thus in many cases the time delay may be assigned to a value out of its reasonable range. In addition, several attempts had been made to determine when the unique equilibrium point is globally asymptotically stable. However, all these conditions are delay-independent. In this paper, we discuss the range of the time delay and provide easy-to-check delay-dependent conditions for the global asymptotic stability of the equilibrium point for a recent IVGTT model through Liapunov function approach. Estimates of the upper bound of the delay for global stability are given in corollaries. In addition, the numerical simulation in this paper is fully incorporated with functional initial conditions, which is natural and more appropriate in delay differential equation systems. Published by Elsevier Inc. (literal)
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