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SUMMARY:Waves topology in geophysical flows - Antoine Venaille (ENS de Lyo
 n\, CNRS\, Laboratoire de Physique)
DTSTART:20231019T130000Z
DTEND:20231019T140000Z
UID:TALK195949@talks.cam.ac.uk
CONTACT:Bo Peng
DESCRIPTION:In recent decades\, concepts from topology have revolutionalis
 ed our comprehension of wave physics. It offers new insights into the robu
 stness of unidirectional trapped waves at boundaries that separate materia
 ls with distinct topological properties. Initially developed within the re
 alm of condensed matter physics\, these ideas have since permeated all bra
 nches of physics\, including geophysical fluid dynamics. Using equatorial 
 waves as an illustrative example\, we will explain how to compute  these t
 opological invariants in continuous media and propose a concrete ray-traci
 ng interpretation of the abstract bulk-edge correspondence.
LOCATION:TCM Seminar Room
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