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Existence and stability results for a second-order differential equation for the Antarctic circumpolar current

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Abstract

In this paper, we derive a new integral equation model for the Antarctic circumpolar current (ACC) by considering the radial solutions for a semi-linear elliptic equation model of gyres and applying Green’s function. We give the representation of solutions for constant vorticity and linear vorticity and show the existence and uniqueness of solutions for nonlinear vorticity. Finally, we present the Ulam–Hyers stability for the ACC involving Lipschitz-type nonlinear vorticity.

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Acknowledgements

The authors are grateful to the referees for their careful reading of the manuscript and valuable comments. The authors thank the help from the editor too.

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Correspondence to JinRong Wang.

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Communicated by Adrian Constantin.

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This work is partially supported by the National Natural Science Foundation of China (12161015), Guizhou Provincial Basic Research Program (Natural Science) [2023]034, the Slovak Research and Development Agency under the Contract No. APVV-18-0308, and the Slovak Grant Agency VEGA Nos. 2/0127/20 and 1/0084/23.

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Chen, F., Fečkan, M. & Wang, J. Existence and stability results for a second-order differential equation for the Antarctic circumpolar current. Monatsh Math 203, 809–824 (2024). https://doi.org/10.1007/s00605-023-01868-5

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  • DOI: https://doi.org/10.1007/s00605-023-01868-5

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