Volume 57, Issue 1
The 2D Boussinesq-Navier-Stokes Equations with Logarithmically Supercritical Dissipation

Durga Jang K.C., Dipendra Regmi, Lizheng Tao & Jiahong Wu

J. Math. Study, 57 (2024), pp. 101-132.

Published online: 2024-03

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  • Abstract
We study the global well-posedness of the initial-value problem for the 2D Boussinesq-Navier-Stokes equations with dissipation given by an operator $\mathcal{L}$ that can be defined through both an integral kernel and a Fourier multiplier.  When the operator $\mathcal{L}$ is represented by $\frac{|\xi|}{a(|\xi|)}$ with $a$ satisfying $ \lim_{|\xi|\to \infty} \frac{a(|\xi|)}{|\xi|^\sigma} = 0$ for any $\sigma>0$, we obtain the global well-posedness.  A special consequence is the global well-posedness of 2D Boussinesq-Navier-Stokes equations when the dissipation is logarithmically supercritical.
  • AMS Subject Headings

35Q35, 35B35, 35B65, 76D03

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COPYRIGHT: © Global Science Press

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@Article{JMS-57-101, author = {K.C. , Durga JangRegmi , DipendraTao , Lizheng and Wu , Jiahong}, title = {The 2D Boussinesq-Navier-Stokes Equations with Logarithmically Supercritical Dissipation}, journal = {Journal of Mathematical Study}, year = {2024}, volume = {57}, number = {1}, pages = {101--132}, abstract = {
We study the global well-posedness of the initial-value problem for the 2D Boussinesq-Navier-Stokes equations with dissipation given by an operator $\mathcal{L}$ that can be defined through both an integral kernel and a Fourier multiplier.  When the operator $\mathcal{L}$ is represented by $\frac{|\xi|}{a(|\xi|)}$ with $a$ satisfying $ \lim_{|\xi|\to \infty} \frac{a(|\xi|)}{|\xi|^\sigma} = 0$ for any $\sigma>0$, we obtain the global well-posedness.  A special consequence is the global well-posedness of 2D Boussinesq-Navier-Stokes equations when the dissipation is logarithmically supercritical.
}, issn = {2617-8702}, doi = {https://doi.org/10.4208/jms.v57n1.24.06}, url = {http://global-sci.org/intro/article_detail/jms/22990.html} }
TY - JOUR T1 - The 2D Boussinesq-Navier-Stokes Equations with Logarithmically Supercritical Dissipation AU - K.C. , Durga Jang AU - Regmi , Dipendra AU - Tao , Lizheng AU - Wu , Jiahong JO - Journal of Mathematical Study VL - 1 SP - 101 EP - 132 PY - 2024 DA - 2024/03 SN - 57 DO - http://doi.org/10.4208/jms.v57n1.24.06 UR - https://global-sci.org/intro/article_detail/jms/22990.html KW - Supercritical Boussinesq-Navier-Stokes equations, global regularity. AB -
We study the global well-posedness of the initial-value problem for the 2D Boussinesq-Navier-Stokes equations with dissipation given by an operator $\mathcal{L}$ that can be defined through both an integral kernel and a Fourier multiplier.  When the operator $\mathcal{L}$ is represented by $\frac{|\xi|}{a(|\xi|)}$ with $a$ satisfying $ \lim_{|\xi|\to \infty} \frac{a(|\xi|)}{|\xi|^\sigma} = 0$ for any $\sigma>0$, we obtain the global well-posedness.  A special consequence is the global well-posedness of 2D Boussinesq-Navier-Stokes equations when the dissipation is logarithmically supercritical.
Durga Jang K.C., Dipendra Regmi, Lizheng Tao & Jiahong Wu. (2024). The 2D Boussinesq-Navier-Stokes Equations with Logarithmically Supercritical Dissipation. Journal of Mathematical Study. 57 (1). 101-132. doi:10.4208/jms.v57n1.24.06
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