Abstract
In this paper, we study a new model for a jet component of the Antarctic Circumpolar Current. In the case of vorticity with perturbation, we present the existence results for positive solutions to periodic boundary value problems for general nonlinear, weak nonlinearity and semilinear terms. A computational method is established and an approximate scheme of solution is also given.
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The authors are grateful to the referees for their careful reading of the manuscript and their valuable comments. We thank the editor also. There are no conflicts of interest to this work.
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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 (11661016), Training Object of High Level and Innovative Talents of Guizhou Province ((2016)4006), Guizhou Data Driven Modeling Learning and Optimization Innovation Team ([2020]5016), Department of Science and Technology of Guizhou Province ((Fundamental Research Program [2018]1118)), the Slovak Research and Development Agency under the contract No. APVV-18-0308, and the Slovak Grant Agency VEGA No. 1/0358/20 and No. 2/0127/20.
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Wang, J., Zhang, W. & Fečkan, M. Periodic boundary value problem for second-order differential equations from geophysical fluid flows. Monatsh Math 195, 523–540 (2021). https://doi.org/10.1007/s00605-021-01539-3
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DOI: https://doi.org/10.1007/s00605-021-01539-3