English
Related papers

Related papers: Log canonical inversion of adjunction

200 papers

We prove inversion of adjunction on log canonicity.

Algebraic Geometry · Mathematics 2009-11-11 Masayuki Kawakita

We establish adjunction and inversion of adjunction for log canonical centers of arbitrary codimension in full generality.

Algebraic Geometry · Mathematics 2022-08-17 Osamu Fujino , Kenta Hashizume

We first announce our recent result on adjunction and inversion of adjunction. Then we clarify the relationship between our inversion of adjunction and Hacon's inversion of adjunction for log canonical centers of arbitrary codimension.

Algebraic Geometry · Mathematics 2021-07-13 Osamu Fujino , Kenta Hashizume

We prove a result on the inversion of adjunction for log canonical pairs that generalizes Kawakita's result to log canonical centers of arbitrary codimension.

Algebraic Geometry · Mathematics 2012-02-03 Christopher D. Hacon

We prove inversion of adjunction for higher rational singularities.

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

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

We prove the precise inversion of adjunction formula for quotient singularities. As an application, we prove the semi-continuity of minimal log discrepancies for hyperquotient singularities. This paper is a continuation of arXiv:2011.07300,…

Algebraic Geometry · Mathematics 2024-08-19 Yusuke Nakamura , Kohsuke Shibata

The main purpose of this paper is to establish some useful partial resolutions of singularities for pairs from the minimal model theoretic viewpoint. We first establish the existence of log canonical modifications of normal pairs under some…

Algebraic Geometry · Mathematics 2022-08-10 Osamu Fujino , Kenta Hashizume

We give a counterexample to the PIA (precise inversion of adjunction) conjecture for minimal log discrepancies. We also give a counterexample to the LSC conjecture for families.

Algebraic Geometry · Mathematics 2026-05-01 Yusuke Nakamura , Kohsuke Shibata

We extend a subadjunction formula of log canonical divisors as in [K3] to the case when the codimension of the minimal center is arbitrary by using the positivity of the Hodge bundles.

alg-geom · Mathematics 2007-05-23 Yujiro Kawamata

We propose a subconjecture that implies the semiampleness conjecture for quasi-numerically positive log canonical divisors and prove the semiampleness in some elementary cases.

Algebraic Geometry · Mathematics 2015-11-11 Shigetaka Fukuda

We prove the precise inversion of adjunction formula for finite linear group quotients of complete intersection varieties defined by semi-invariant equations. As an application, we prove the semi-continuity of minimal log discrepancies for…

Algebraic Geometry · Mathematics 2026-05-01 Yusuke Nakamura , Kohsuke Shibata

This letter introduces a new, substantially simplified version of the branching recurrence operation of computability logic (see http://www.cis.upenn.edu/~giorgi/cl.html), and proves its equivalence to the old, "canonical" version.

Logic in Computer Science · Computer Science 2012-08-03 Giorgi Japaridze

We define the "source" and the "spring" of a log canonical center and use them to solve several problems in higher-codimension adjunction. The main application is to the construction of semi log canonical pairs. Version 2: References…

Algebraic Geometry · Mathematics 2012-11-15 János Kollár

The normalization of a quasi-log canonical pair is a quasi-log canonical pair.

Algebraic Geometry · Mathematics 2019-02-19 Osamu Fujino , Haidong Liu

In this note we obtain a new convergence result for the Adomian decomposition method.

General Mathematics · Mathematics 2019-06-18 Hicham Zoubeir

The aim of this note is to discuss resolution theorems that are useful in the study of semi log canonical varieties.

Algebraic Geometry · Mathematics 2008-12-19 János Kollár

In this note we build on our previous work with Takehiko Yasuda to prove a precise version of inversion of adjunction for varieties which are local complete intersections.

Algebraic Geometry · Mathematics 2007-05-23 Lawrence Ein , Mircea Mustaţǎ

We prove the special termination for log canonical pairs and its generalisation in the context of generalised pairs.

Algebraic Geometry · Mathematics 2023-12-14 Vladimir Lazić , Joaquín Moraga , Nikolaos Tsakanikas

We prove a precise inversion of adjunction formula for the log pair associated to a non-degenerate hypersurface. As a corollary, the minimal log discrepancies of non-degenerate normal hypersurface singularities are bounded from above by…

Algebraic Geometry · Mathematics 2007-05-23 Florin Ambro
‹ Prev 1 2 3 10 Next ›