In the present paper we prove that, on a hyperkähler manifold, walls of the Kähler cone and extremal rays of the Mori cone are determined by all divisors satisfying certain numerical conditions.
A note on the kähler and Mori cones of hyperkähler manifolds / G. Mongardi. - In: THE ASIAN JOURNAL OF MATHEMATICS. - ISSN 1093-6106. - 19:4(2015), pp. 583-592. [10.4310/AJM.2015.v19.n4.a1]
A note on the kähler and Mori cones of hyperkähler manifolds
G. MongardiPrimo
2015
Abstract
In the present paper we prove that, on a hyperkähler manifold, walls of the Kähler cone and extremal rays of the Mori cone are determined by all divisors satisfying certain numerical conditions.
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