Positive Time and Almost Time Periodic Solutions for the Quasigeostrophic Motions

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Authors

  • Mei-Qin Zhan Department of Mathematics and Statistics, University of North Florida, Jacksonville, FL 32224, USA Author

DOI:

https://doi.org/10.5890/DNC.2025.09.005

Abstract

In this article, we study the quasigeostrophic equation, which is a prototypical geophysical fluid model. We will show the existence of positive solutions and almost time-periodic solutions.

References

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[2] Duan, J. (1999), Time-periodic quasigeostrophic motion under dissipation and forcing, Applied Mathematics and Computation, 102, 121-127.

[3] Zhan, M. (2006), Time periodic solutions for quasigeostrophic motion and their stability, International Journal of Engineering Education, 2(4), 4-14.

[4] Zhan, M. (2007), Multiplicity of time-periodic solutions and their stabilities for quasigeostrophic equations, Journal of Mathematical Analysis and Applications, 329(2), 904-912.

[5] Wu, J. (1997), Inviscid limits and regularity estimates for the solutions of the 2-D dissipative quasigeostrophic equations, Indiana University Mathematics Journal, 46(4), 1113-1124.

[6] Wang, K. and Zhan, M. Global attractivity of time-periodic solutions of quasigeostrophic equations and numerical simulations. Preprint.

[7] Chae, D. and Lee, J. (2003), Global well-posedness in the super-critical dissipative quasi-geostrophic equations, Communications in Mathematical Physics, 233(2), 297-311.

[8] Mattingly, J.C. and Sinai, Ya.G. (1999), An elementary proof of the existence and uniqueness theorem for the Navier-Stokes equations, Communications in Contemporary Mathematics, 1(4), 497-516.

[9] Temam, R. (2000), Infinite-Dimensional Dynamical Systems in Mechanics and Physics, Springer-Verlag.

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PublishedSeptember 2025

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How to Cite

Zhan, M.-Q. (2026). Positive Time and Almost Time Periodic Solutions for the Quasigeostrophic Motions. Discontinuity, Nonlinearity, and Complexity, 14(3), 511-517. https://doi.org/10.5890/DNC.2025.09.005