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Finite ordinary minimal model programs on compact Kähler fourfolds

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OpenAI Mathopenai-math/Finite-ordinary-minimal-model-programs-on-compact-Kahler-fourfolds-September-24-2026Sep 24, 2026math.AGAI-generatedscore 0

We prove that a globally Weil-ℚ-factorial compact Kähler klt fourfold pair with effective rational boundary and canonical rational line bundle admits a finite ordinary minimal model program starting on the given pair. It ends at a nef model when the adjoint class is pseudo-effective and at a Mori fibre space otherwise.

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