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astro-ph1998
Accretion Disks: Limit Cycles and Instabilities
Mario Livio
The existing disk instability model for dwarf nova eruptions is reviewed, in the light of recent progress in the understanding of angular momentum transport in accretion disks. It…
astro-ph1998
The Swallowing of Planets by Giant Stars
Lionel Siess, Mario Livio
We present simulations of the accretion of a massive planet or brown dwarf by an AGB star. In our scenario, close planets will be engulfed by the star, spiral-in and be dissipated…