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On higher Du Bois singularities and $K$-regularity

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arxiv 2504.12402 v3 pith:U5O6UPKE submitted 2025-04-16 math.AG math.KT

classification math.AGmath.KT
keywords boisregularityhigherrelationshipsingularitiesalgebraicbuildingcharacteristic
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abstract

We study the relationship between higher Du Bois singularities and $K$-regularity, a notion that measures the $\mathbb{A}^1$-invariance of the algebraic $K$-groups. Building on this relationship, we establish a strengthened form of Vorst's conjecture for local complete intersections in characteristic zero. Our work also provides tools to construct new examples that illustrate various phenomena in the study of $K$-regularity. The main inputs for our results are vanishing theorems for the Du Bois complexes.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Negative $K$-theory and Hodge theory

    math.AG 2026-07 conditional novelty 7.0 of 10

    For complex varieties with klt or rational singularities, negative K-theory is shown to be governed by mixed Hodge weights and higher singularity types, with new proof in dimension three and partial results in dimension four.

  2. Negative $K$-theory and Hodge theory

    math.AG 2026-07 unverdicted novelty 5.0 of 10

    Negative K-groups of complex varieties are analyzed via mixed Hodge theory, higher singularities, Chow groups, and the Minimal Model Program.

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