K-stability for Fano manifolds with torus action of complexity $1$

@article{Ilten2017KstabilityFF,
title={K-stability for Fano manifolds with torus action of complexity \$1\$},
author={Nathan Owen Ilten and Hendrik Suss},
journal={Duke Mathematical Journal},
year={2017},
volume={166},
pages={177-204}
}
• Published 16 July 2015
• Mathematics
• Duke Mathematical Journal
We consider Fano manifolds admitting an algebraic torus action with general orbit of codimension one. Using a recent result of Datar and Szekelyhidi, we effectively determine the existence of Kahler-Ricci solitons for those manifolds via the notion of equivariant K-stability. This allows us to give new examples of Kahler-Einstein Fano threefolds, and Fano threefolds admitting a non-trivial Kahler-Ricci soliton.

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