Shrimps are islands of regularity within chaotic regimes in bi-parameter spaces of nonlinear dynamical systems. While the presence of periodic shrimps has been extensively reported, recent research has uncovered the existence of quasi-periodic shrimps. Compared to their periodic counterparts, quasi-periodic shrimps require a relatively higher-dimensional phase-space to come into existence and are also quite uncommon to observe. This Focus Issue contribution delves into the existence and intricate dynamics of quasi-periodic shrimps within the parameter space of a discrete-time, three-species food chain model. Through high-resolution stability charts, we unveil the prevalence of quasi-periodic shrimps in the system’s unsteady regime. We extensively study the bifurcation characteristics along the two borders of the quasi-periodic shrimp. Our analysis reveals that along the outer border, the system exhibits transition to chaos via intermittency, whereas along the inner border, torus-doubling and torus-bubbling phenomena, accompanied by finite doubling and bubbling cascades, are observed. Another salient aspect of this work is the identification of quasi-periodic accumulation horizon and different quasi-periodic (torus) adding sequences for the self-distribution of infinite cascades of self-similar quasi-periodic shrimps along the horizon in certain parameter space of the system.
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February 2025
Research Article|
February 03 2025
Exploring quasi-periodic shrimps in the parameter space of a discrete-time food chain model
Special Collection:
From Sand to Shrimps: In Honor of Professor Jason A. C. Gallas
N. C. Pati
;
N. C. Pati
a)
(Conceptualization, Formal analysis, Investigation, Methodology, Resources, Software, Validation, Writing – original draft, Writing – review & editing)
1
Department of Mathematics, Bidhan Chandra College
, Asansol, Paschim Burdwan 713304, West Bengal, India
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Prabal Datta
;
Prabal Datta
b)
(Conceptualization, Formal analysis, Investigation, Methodology, Resources, Software, Validation, Writing – original draft, Writing – review & editing)
2
Department of Mathematics, Birla Institute of Technology Mesra
, Ranchi 835215, Jharkhand, India
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Bapan Ghosh
Bapan Ghosh
c)
(Conceptualization, Formal analysis, Investigation, Methodology, Resources, Software, Validation, Writing – original draft, Writing – review & editing)
3
Department of Mathematics, Indian Institute of Technology Indore
, Indore 453552, Madhya Pradesh, India
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Chaos 35, 023101 (2025)
Article history
Received:
August 15 2024
Accepted:
January 09 2025
Citation
N. C. Pati, Prabal Datta, Bapan Ghosh; Exploring quasi-periodic shrimps in the parameter space of a discrete-time food chain model. Chaos 1 February 2025; 35 (2): 023101. https://doi.org/10.1063/5.0233509
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