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• 07:48, 25 November 2025 ColinHavelock talk contribs created page The Vertical Shear Instability In Protoplanetary Discs As An Outwardly Travelling Wave. I. Linear Theory (Created page with "<br>We revisit the worldwide linear concept of the vertical shear instability (VSI) in protoplanetary discs with an imposed radial temperature gradient. We concentrate on the regime during which the VSI has the form of a travelling inertial wave that grows in amplitude as it propagates outwards. Building on earlier work describing travelling waves in skinny astrophysical discs, we develop a quantitative idea of the wave movement, its spatial construction and the bodily m...")