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We prove Shokurov's global index conjecture for foliations in dimension at most three. This answers a question of the first author, Meng, and Xie in dimension three. The main result of this paper is partially obtained by generative AI,…

Algebraic Geometry · Mathematics 2026-05-22 Jihao Liu , Sheng Qin

In this paper we show an index theorem for gerbes

Differential Geometry · Mathematics 2007-05-23 Aristide Tsemo , Isaac Woungang

We prove an index theorem for the quotient module of a monomial ideal. We obtain this result by resolving the monomial ideal by a sequence of Bergman space like essentially normal Hilbert modules.

Operator Algebras · Mathematics 2017-08-22 Ronald G. Douglas , Mohammad Jabbari , Xiang Tang , Guoliang Yu

Building on results of Koll\'ar, we prove Shokurov's ACC Conjecture for log canonical thresholds on smooth varieties, and more generally, on varieties with quotient singularities.

Algebraic Geometry · Mathematics 2009-01-09 Lawrence Ein , Mircea Mustata

We prove a conjecture of V. V. Shokurov which in particular implies that the fibers of a resolution of a variety with divisorial log terminal singularities are rationally chain connected.

Algebraic Geometry · Mathematics 2007-05-23 Christopher D Hacon , James McKernan

In this note, we prove a quantization formula for singular reductions. The main result is obtained as a simple application of an extended quantization formula proved in [TZ2].

dg-ga · Mathematics 2008-02-03 Youliang Tian , Weiping Zhang

In this short note, we prove Hadwiger's conjecture for strongly monotypic polytopes.

Combinatorics · Mathematics 2024-03-29 Vuong Bui

We prove that nine-dimensional exceptional quotient singularities exist.

Algebraic Geometry · Mathematics 2012-03-14 Ivan Cheltsov , Constantin Shramov

A proof of Sendov's conjecture is given.

Complex Variables · Mathematics 2007-05-23 Gerald Schmieder

We prove the precise inversion of adjunction formula for quotient singularities and klt Cartier divisors. As an application, we prove the semi-continuity of minimal log discrepancies for klt hyperquotient singularities.

Algebraic Geometry · Mathematics 2024-04-10 Yusuke Nakamura , Kohsuke Shibata

A conic bundle is a contraction $X\to Z$ between normal varieties of relative dimension $1$ such that $-K_X$ is relatively ample. We prove a conjecture of Shokurov which predicts that, if $X\to Z$ is a conic bundle such that $X$ has…

Algebraic Geometry · Mathematics 2022-07-12 Jingjun Han , Chen Jiang , Yujie Luo

In this paper, we prove a Morse index theorem for the index form of regular Lagrangian system with selfadjoint boundary condition.

Differential Geometry · Mathematics 2007-05-23 Chaofeng Zhu

We prove inversion of adjunction for higher rational singularities.

Algebraic Geometry · Mathematics 2026-05-06 Tatsuro Kawakami , Jakub Witaszek

We prove a structure theorem for the fundamental group of the quotient $X$ of a product of curves by the action of a finite group $G$, hence for that of any resolution of the singularities of $X$.

Algebraic Geometry · Mathematics 2010-04-02 Thomas Dedieu , Fabio Perroni

In this note, we present a simple directed graph proof of Sharkovsky's theorem.

Dynamical Systems · Mathematics 2007-05-23 Bau-Sen Du

Shokurov conjectured that the set of all log canonical thresholds on varieties of bounded dimension satisfies the ascending chain condition. In this paper we prove that the conjecture holds for log canonical thresholds on smooth varieties…

Algebraic Geometry · Mathematics 2019-12-19 Tommaso de Fernex , Lawrence Ein , Mircea Mustata

We prove a conjecture of Shokurov which characterises toric varieties using log pairs.

Algebraic Geometry · Mathematics 2018-05-23 Morgan Brown , James McKernan , Roberto Svaldi , Hong Zong

In this paper we classify the isolated singularities of positive solutions to Choquard equation and prove the existence of isolated singular solutions.

Analysis of PDEs · Mathematics 2016-07-25 Huyuan Chen , Feng Zhou

In this paper we give a proof of an index theorem by Bismut. As a consequence we obtain another proof of the Grothendieck-Riemann-Roch theorem in differential cohomology.

Differential Geometry · Mathematics 2015-07-17 Man-Ho Ho

We discuss some "folklore" results on categorical crepant resolutions for varieties with quotient singularities.

Algebraic Geometry · Mathematics 2014-06-20 Roland Abuaf
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