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Related papers: On log canonical rings

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We discuss the relative log minimal model theory for log surfaces in the analytic setting. More precisely, we show that the minimal model program, the abundance theorem, and the finite generation of log canonical rings hold for log pairs of…

Algebraic Geometry · Mathematics 2026-04-15 Nao Moriyama

We discuss the log minimal model theory for log surfaces. We show that the log minimal model program, the finite generation of log canonical rings, and the log abundance theorem for log surfaces hold true under assumptions weaker than the…

Algebraic Geometry · Mathematics 2011-08-19 Osamu Fujino

We treat two different topics on the log minimal model program, especially for four-dimensional log canonical pairs. (a) Finite generation of the log canonical ring in dimension four. (b) Abundance theorem for irregular fourfolds. We obtain…

Algebraic Geometry · Mathematics 2015-01-14 Osamu Fujino

We study relative log canonical pairs with relatively trivial log canonical divisors. We fix such a pair $(X,\Delta)/Z$ and establish the minimal model theory for the pair $(X,\Delta)$ assuming the minimal model theory for all Kawamata log…

Algebraic Geometry · Mathematics 2017-11-21 Kenta Hashizume

We prove the finite generation of canonical rings of projective variety of general type defined over complex numbers.

Algebraic Geometry · Mathematics 2007-05-23 Hajime Tsuji

We prove the finiteness of relative log pluricanonical representations in the complex analytic setting. As an application, we discuss the abundance conjecture for semi-log canonical pairs within this framework. Furthermore, we establish the…

Algebraic Geometry · Mathematics 2025-06-03 Osamu Fujino

We study relations between two log minimal models of a fixed lc pair. For any two log minimal models of an lc pair constructed with log MMP, we prove that there are small birational models of the log minimal models which can be connected by…

Algebraic Geometry · Mathematics 2020-08-25 Kenta Hashizume

We prove that the non-vanishing conjecture and the log minimal model conjecture for projective log canonical pairs can be reduced to the non-vanishing conjecture for smooth projective varieties such that the boundary divisor is zero.

Algebraic Geometry · Mathematics 2017-11-22 Kenta Hashizume

We prove the finiteness of $B$-representations of generalised log canonical pairs. As a consequence, we prove that, the (relative) abundance for a generalised semi-log canonical pair is implied by the abundance for its normalisation.…

Algebraic Geometry · Mathematics 2021-03-23 Zhengyu Hu

We give a light introduction to some recent developments in Mori theory, and to our recent direct proof of the finite generation of the canonical ring.

Algebraic Geometry · Mathematics 2019-04-15 Paolo Cascini , Vladimir Lazić

We prove that the canonical ring of a smooth projective variety is finitely generated.

Algebraic Geometry · Mathematics 2008-08-14 Caucher Birkar , Paolo Cascini , Christopher D. Hacon , James McKernan

We discuss the ACC conjecture and the LSC conjecture for minimal log discrepancies of generalized pairs. We prove that some known results on these two conjectures for usual pairs are still valid for generalized pairs. We also discuss the…

Algebraic Geometry · Mathematics 2024-04-10 Weichung Chen , Yoshinori Gongyo , Yusuke Nakamura

We show that minimal models of log canonical pairs exist, assuming the existence of minimal models of smooth varieties.

Algebraic Geometry · Mathematics 2022-05-24 Vladimir Lazić , Nikolaos Tsakanikas

This paper is the first of two steps in a project to prove finite generation of the log canonical ring without Mori theory.

Algebraic Geometry · Mathematics 2008-12-17 Vladimir Lazic

Under the assumption of the minimal model theory for projective klt pairs of dimension $n$, we establish the minimal model theory for lc pairs $(X/Z,\Delta)$ such that the log canonical divisor is relatively log abundant and its restriction…

Algebraic Geometry · Mathematics 2019-08-29 Kenta Hashizume , Zhengyu Hu

We study the termination of minimal model programs for log canonical pairs in the complex analytic setting. By using the termination, we prove a relation between the minimal model theory for projective log canonical pairs and that for log…

Algebraic Geometry · Mathematics 2025-12-09 Makoto Enokizono , Kenta Hashizume

This paper proves finite generation of the log canonical ring without Mori theory.

Algebraic Geometry · Mathematics 2009-12-09 Vladimir Lazic

We give a new and self-contained proof of the finite generation of adjoint rings with big boundaries. As a consequence, we show that the canonical ring of a smooth projective variety is finitely generated.

Algebraic Geometry · Mathematics 2019-12-19 Paolo Cascini , Vladimir Lazić

We prove the abundance theorem for log canonical $n$-folds such that the boundary divisor is big assuming the abundance conjecture for log canonical $(n-1)$-folds. We also discuss the log minimal model program for log canonical $4$-folds.

Algebraic Geometry · Mathematics 2015-11-04 Kenta Hashizume

We give a new proof of the finiteness of B-representations. As a consequence of the finiteness of B-representations and Koll\'ar's gluing theory on lc centers, we prove that the (relative) abundance conjecture for slc pairs is implied by…

Algebraic Geometry · Mathematics 2012-05-23 Christopher Hacon , Chenyang Xu
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