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In this Lecture Notes we present, in a sufficiently self contained way, our contributions and interests in the field of Minimal Model Theory. We study Fano-Mori spaces, both from the biregular and the birational point of view. For the…

Algebraic Geometry · Mathematics 2007-05-23 M. Andreatta , M. Mella

This article contains the notes of a graduate course on birational geometry focusing on the minimal model program. Topics covered include singularities, vanishing, nonvanishing, cone and contraction, base point freeness, finite generation,…

Algebraic Geometry · Mathematics 2007-06-14 Caucher Birkar

We complete Mori's program with symmetric divisors for the moduli space of stable seven pointed rational curves. We describe all birational models in terms of explicit blow-ups and blow-downs. We also give a moduli theoretic description of…

Algebraic Geometry · Mathematics 2014-03-31 Han-Bom Moon

In this paper, we discuss a proof of existence of log minimal models or Mori fibre spaces for klt pairs $(X/Z,B)$ with $B$ big$/Z$. This then implies existence of klt log flips, finite generation of klt log canonical rings, and most of the…

Algebraic Geometry · Mathematics 2009-04-21 Caucher Birkar , Mihai Paun

We show that many statements of the Minimal Model Program, including the cone theorem, the base point free theorem and the existence of Mori fibre spaces, fail for 1-foliated surface pairs $(X,\mathcal{F})$ with canonical singularities in…

Algebraic Geometry · Mathematics 2024-01-10 Fabio Bernasconi

To construct a resulting model in LMMP is sufficient to prove existence of log flips and their termination for certain sequences. We prove that LMMP in dimension $d-1$ and termination of terminal log flips in dimension $d$ imply, for any…

Algebraic Geometry · Mathematics 2007-05-23 V. V. Shokurov

We prove the following results for projective klt pairs of dimension $3$ over an algebraically closed field of char $p>5$: the cone theorem, the base point free theorem, the contraction theorem, finiteness of minimal models, termination…

Algebraic Geometry · Mathematics 2014-10-17 Caucher Birkar , Joe Waldron

We explain how to deduce from recent results in the Minimal Model Program a general uniruledness theorem for base loci of adjoint divisors. We also show how to recover special cases by extending a technique introduced by Takayama.

Algebraic Geometry · Mathematics 2010-03-03 S. Boucksom , A. Broustet , G. Pacienza

In this article we show that the Log Minimal Model Program for $\mathbb{Q}$-factorial dlt pairs $(X, B)$ on a compact K\"ahler $3$-fold holds. More specifically, we show that after finitely many divisorial contractions and flips we obtain…

Algebraic Geometry · Mathematics 2024-04-10 Omprokash Das , Christopher Hacon

We develop some basic results in a higher dimensional foliated Mori theory, and show how these results can be used to prove a structure theorem for the Kleiman-Mori cone of curves in terms of the numerical properties of $K_{\mathcal{F}}$…

Algebraic Geometry · Mathematics 2019-11-20 Calum Spicer

We use reduction maps to study the minimal model program. Our main result is that the existence of a good minimal model for a klt pair $(X,\Delta)$ can be detected on the base of the $(K_{X}+\Delta)$-trivial reduction map. Thus we show that…

Algebraic Geometry · Mathematics 2019-02-20 Yoshinori Gongyo , Brian Lehmann

We introduce linearly decomposable (LD) generalized pairs, which serve as a workable substitute for rational decompositions in the non-NQC setting. Using LD generalized pairs, together with a refinement of special termination and…

Algebraic Geometry · Mathematics 2026-03-05 Zhengyu Hu , Jihao Liu

We prove that one can run the log minimal model program for log canonical $3$-fold pairs in characteristic $p>5$. In particular we prove the Cone Theorem, Contraction Theorem, the existence of flips and the existence of log minimal models…

Algebraic Geometry · Mathematics 2017-01-11 Joe Waldron

Varieties with log terminal and log canonical singularities are considered in the Minimal Model Program, see \cite{...} for introduction. In \cite{shokurov:hyp} it was conjectured that many of the interesting sets, associated with these…

alg-geom · Mathematics 2015-06-30 Valery Alexeev

We treat equivariant completions of toric contraction morphisms as an application of the toric Mori theory. For this purpose, we generalize the toric Mori theory for non-$\mathbb Q$-factorial toric varieties. So, our theory seems to be…

Algebraic Geometry · Mathematics 2007-05-23 Osamu Fujino

We provide several applications of the minimal model program to the local and global study of co-rank one foliations on threefolds. Locally, we prove a singular variant of Malgrange's theorem, a classification of terminal foliation…

Algebraic Geometry · Mathematics 2022-11-08 Calum Spicer , Roberto Svaldi

We survey some recent topics on singularities, with a focus on their connection to the minimal model program. This includes the construction and properties of dual complexes, the proof of the ACC conjecture for log canonical thresholds and…

Algebraic Geometry · Mathematics 2017-12-05 Chenyang Xu

Multiplier ideals, and the vanishing theorems they satisfy, have found many applications in recent years. In the global setting they have been used to study pluricanonical and other linear series on a projective variety. More recently, they…

Algebraic Geometry · Mathematics 2007-05-23 Manuel Blickle , Robert Lazarsfeld

This is the second of a series of papers studying real algebraic threefolds using the minimal model program. The main result is the following. Let $X$ be a smooth projective real algebraic 3-fold. Assume that the set of real points is an…

alg-geom · Mathematics 2007-05-23 János Kollár

The purpose of this note is to give a survey of the algebraic properties of multiplier ideals, and illustrate some of their applications to classical projective geometry.

alg-geom · Mathematics 2008-02-03 Lawrence Ein