A note on the K\"ahler and Mori cones of hyperk\"ahler manifolds
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🧮 math.AG
math.DG
keywords
ahlerconehyperkmoricertainconditionsconesdetermined
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In the present paper we prove that, on a hyperk\"ahler manifold, walls of the k\"ahler cone and extremal rays of the Mori cone are determined by all divisors satisfying certain numerical conditions.
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