Manuscript OpenAI@2026-10-07 · OpenAI.tex · remark · 6a931f8f

Remark: 033-02. Logarithmic Kodaira dimension and whole-fiber variation

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OpenAI@2026-10-07#rem:oai-p-033-02

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Authors: OpenAI. Family 033.

Title: Logarithmic Kodaira dimension and whole-fiber variation.

Abstract: We prove the logarithmic Iitaka–Viehweg inequality for projective surjective morphisms with connected fibers between smooth complex quasi-projective varieties whose base has nonnegative logarithmic Kodaira dimension. The variation measures the birational field of definition of the whole geometric generic fiber. This resolves Popa's logarithmic variation conjecture positively.

This abstract is a catalogue record. It is not a verification and not a premise. It does not close O.1. O.1 stays NOT_CLOSED. No quantum coefficient is admitted. No compilation is asserted.

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