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On the degree of semi-stable reduction

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arxiv 2107.13613 v1 pith:VNUZLXMW submitted 2021-07-28 math.NT

classification math.NT
keywords boundabeliandegreefieldreductionsemi-stabletermsacquires
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abstract

For an abelian variety $A$ over a number field we study bounds depending only on the dimension of $A$ for the minimal degree $d(A)$ of a field extension over which $A$ acquires semi-stable reduction. We first compute $d(A)$ in terms of the cardinalities of the finite monodromy groups of $A$ which leads to a bound on $d(A)$ in terms of the classical Minkowski bound. We then show this bound is tight up to its $2$-part by considering $p$-adic coverings of the local points of a universal abelian scheme.

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  1. IndicRAGSuite: Large-Scale Datasets and a Benchmark for Indian Language RAG Systems

    cs.CL 2025-06 conditional novelty 6.0 of 10

    IndicRAGSuite offers a 13-language, human-verified retrieval benchmark and two large-scale training datasets for Indian language RAG.

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