BEN ABDALLAH SABER2024-05-302024-05-302020-02-23SABER BEN ABDALLAH. GLOBAL EXISTENCE OF CRITICAL QUASI-GEOSTROPHIC EQUATION IN CRITICAL SPACE. International PluridisciplinaryPhD Meeting (IPPM’20). 1st Edition, February23-26, 2020. University Of Eloued. [Visited in ../../….]. Available from [copy the link here].https://dspace.univ-eloued.dz/handle/123456789/32834Intervention Abstractwe show the global existence for quasi-geostrophic equations if ........ is small enough; among others we prove the analyticity of such a solution. If in addition the initial condition veri es ...... with ....., then the solution remains regular. Fourier analysis and standard techniques are used.enIntervention