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Related papers: On log surfaces

200 papers

In this paper, by constructing area-nonincreasing retractions, we prove area-minimizing properties of some cones over minimal embeddings of R-spaces.

Differential Geometry · Mathematics 2015-07-09 Shinji Ohno , Takashi Sakai

We give a description of the minimal exponent of a hypersurface using higher direct images of suitably twisted sheaves of log forms on a log resolution.

Algebraic Geometry · Mathematics 2025-02-12 Qianyu Chen , Mircea Mustaţă

In this paper the log surfaces without $\QQ$-complement are classified. In particular, they are non-rational always. This result takes off the restriction in the theory of complements and allows one to apply it in the most wide class of log…

Algebraic Geometry · Mathematics 2007-05-23 I. Yu. Fedorov , S. A. Kudryavtsev

This paper gives two different proofs to a structural theorem of decreasing minimization (lexicographic optimization) on integrally convex sets. The theorem states that the set of decreasingly minimal elements of an integrally convex set…

Optimization and Control · Mathematics 2025-04-28 Kazuo Murota , Akihisa Tamura

We give a classification of the dual graphs of the exceptional divisors on the minimal resolutions of log canonical foliation singularities on surfaces. For an application, we show the set of foliated minimal log discrepancies for foliated…

Algebraic Geometry · Mathematics 2021-04-02 Yen-An Chen

We prove that many of the results of the LMMP hold for $3$-folds over fields of characteristic $p>5$ which are not necessarily perfect. In particular, the existence of flips, the cone theorem, the contraction theorem for birational extremal…

Algebraic Geometry · Mathematics 2022-08-22 Omprokash Das , Joe Waldron

Using recent developments in the theory of mixed motives, we prove that the log Bloch conjecture holds for an open smooth complex surface if the Bloch conjecture holds for its compactification. This verifies the log Bloch conjecture for all…

Algebraic Geometry · Mathematics 2018-07-25 Qizheng Yin , Yi Zhu

The aim of these notes is to explain main ideas of the theory of complements. Basically we will follow Shokurov's work alg-geom/9711024.

Algebraic Geometry · Mathematics 2010-05-04 Yuri G. Prokhorov

In this paper, we show the abundance theorem for log canonical surfaces over fields of positive characteristic.

Algebraic Geometry · Mathematics 2019-02-15 Hiromu Tanaka

The new property of minimal surfaces is obtained in this article.

Differential Geometry · Mathematics 2007-05-23 Andrei Bodrenko

This is a very brief report on recent developments on the Dirichlet problem for the minimal surface system and minimal cones in Euclidean spaces. We shall mainly focus on two directions: (1) Further systematic developments after…

Differential Geometry · Mathematics 2019-06-20 Yongsheng Zhang

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

We give cohomological criteria for logarithmic good reduction of elliptic surfaces up to modification. Along the way, we prove several more general results about such surfaces in positive characteristic, as well as about log smooth…

Algebraic Geometry · Mathematics 2022-12-05 Otto Overkamp , Arne Smeets

This is a short note on various results about the combinatorial properties of line arrangements in terms of the Chern numbers of the corresponding log surfaces. This resembles the study of the geography of surfaces of general type. We prove…

Algebraic Geometry · Mathematics 2019-04-18 Sebastian Eterović , Fernando Figueroa , Giancarlo Urzúa

We apply the local removable singularity theorem for minimal laminations and the local picture theorem on the scale of topology to obtain two descriptive results for certain possibly singular minimal laminations of $\mathbb{R}^3$. These two…

Differential Geometry · Mathematics 2016-11-24 William H. Meeks , Joaquin Perez , Antonio Ros

In this paper, we consider a Generalized Bernstein Theorem for a type of generalized minimal surfaces, namely minimal Plateau surfaces. We show that if an orientable minimal Plateau surface is stable and has quadratic area growth in…

Differential Geometry · Mathematics 2022-10-24 Gaoming Wang

We study surfaces in Euclidean space ${\mathbb R}^3$ that are minimal for a log-linear density $\phi(x,y,z)=\alpha x+\beta y+\gamma y$, where $\alpha,\beta,\gamma$ are real numbers not all zero. We prove that if a surface is $\phi$-minimal…

Differential Geometry · Mathematics 2014-10-10 Rafael López

We give a short proof of the log-concavity of the coefficients of the reduced characteristic polynomial of a matroid. The proof uses an extension of the theory of Lorentzian polynomials to convex cones, and reproves the Hodge-Riemann…

Combinatorics · Mathematics 2021-10-12 Petter Brändén , Jonathan Leake

In this note we propose a min-max theory for embedded hypersurfaces with a fixed boundary and apply it to prove several theorems about the existence of embedded minimal hypersurfaces with a given boundary. A simpler variant of these…

Analysis of PDEs · Mathematics 2017-05-19 Camillo De Lellis , Jusuf Ramic

In this paper we prove two theorems. The first one is a structure result that describes the extrinsic geometry of an embedded surface with constant mean curvature (possibly zero) in a homogeneously regular Riemannian three-manifold, in any…

Differential Geometry · Mathematics 2014-01-10 William H. Meeks , Joaquín Pérez , Antonio Ros