A necessary condition for Chow semistability of polarized toric manifolds
Hajime ONO
Source: J. Math. Soc. Japan Volume 63, Number 4
(2011), 1377-1389.
Abstract
Let Δ ⊂ Rn be an n-dimensional Delzant polytope. It is well-known that there exist the n-dimensional compact toric manifold XΔ and the very ample (C×)n-equivariant line bundle LΔ on XΔ associated with Δ. In the present paper, we show that if (XΔ, LΔi) is Chow semistable then the sum of integer points in iΔ is the constant multiple of the barycenter of Δ. Using this result we get a necessary condition for the polarized toric manifold (XΔ, LΔ) being asymptotically Chow semistable. Moreover we can generalize the result in [4] to the case when XΔ is not necessarily Fano.
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Permanent link to this document: http://projecteuclid.org/euclid.jmsj/1319721144
Digital Object Identifier: doi:10.2969/jmsj/06341377
Zentralblatt MATH identifier: 1230.14069
Mathematical Reviews number (MathSciNet): MR2855816
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