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Related papers: Uniqueness type result in dimension 3

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The Manin conjecture is established for a split singular cubic surface in P^3, with singularity type D_5.

Number Theory · Mathematics 2008-10-22 T. D. Browning , U. Derenthal

The paper studies the problem of prescribing positive cross curvature on the three-dimensional sphere. We produce several existence results and an example of non-uniqueness, disproving a conjecture of Hamilton's.

Differential Geometry · Mathematics 2023-05-29 Timothy Buttsworth , Artem Pulemotov

We give construction of singular K3 surfaces with discriminant 3 and 4 as double coverings over the projective plane. Focusing on the similarities in their branching loci, we can generalize this construction, and obtain a three dimensional…

Algebraic Geometry · Mathematics 2019-03-08 Taiki Takatsu

A warped product with a spherical factor and a logarithmically concave warping function satisfies a scalar curvature rigidity of the Llarull type. We develop a scalar curvature rigidity of the Llarull type for a general class of domains in…

Differential Geometry · Mathematics 2025-03-07 Xiaoxiang Chai , Gaoming Wang

We revisit some uniqueness results for a geometric nonlinear PDE related to the scalar curvature in Riemannian geometry and CR geometry. In the Riemannian case we give a new proof of the uniqueness result assuming only a positive lower…

Differential Geometry · Mathematics 2021-06-22 Xiaodong Wang

We give an explicit formula for singular surfaces of revolution with prescribed unbounded mean curvature. Using it, we give conditions for singularities of that surfaces. Periodicity of that surface is also discussed.

Differential Geometry · Mathematics 2018-04-12 Luciana F. Martins , Kentaro Saji , Samuel P. dos Santos , Keisuke Teramoto

We prove subelliptic estimates for the dbar-problem at the isolated singularity of the variety $z^2=xy$ in $\mathbb{C}^3$.

Complex Variables · Mathematics 2012-12-14 Dariush Ehsani , Jean Ruppenthal

We study the prescribed scalar curvature problem in a conformal class on orbifolds with isolated singularities. We prove a compactness theorem in dimension $4$, and an existence theorem which holds in dimensions $n \geq 4$. This problem is…

Differential Geometry · Mathematics 2022-11-30 Tao Ju , Jeff Viaclovsky

All varieties, extremal contractions, singularities are divided on exceptional and non-exceptional ones. Roughly speaking, there are the infinite families of non-exceptional varieties, extremal contractions or singularities and only the…

Algebraic Geometry · Mathematics 2015-06-26 S. A. Kudryavtsev

The unique third-order invariant variational equation in three-dimensional (pseudo)Euclidean space is derived.

Differential Geometry · Mathematics 2014-07-18 Roman Matsyuk

We obtain some rigidity results for overdetermined boundary value problems for singular solutions in bounded domains.

Analysis of PDEs · Mathematics 2024-02-21 Francesco Esposito , Berardino Sciunzi , Nicola Soave

As indicated by the third author in [19], there is a gap in the previous version of this paper by the first two authors [5]. We provide in this version an argument to fix the aforementioned gap. The main proposition, whose proof uses…

Differential Geometry · Mathematics 2017-08-21 Xiaodong Cao , Bennett Chow , Yongjia Zhang

We develop a method for proving sup-norm and H\"older estimates for $\overline{\partial}$ on wide class of finite type pseudoconvex domains in $\mathbb{C}^n$. A fundamental obstruction to proving sup-norm estimates is the possibility of…

Complex Variables · Mathematics 2020-12-10 Dusty Grundmeier , Lars Simon , Berit Stensønes

We resolve a conjecture of F\"assler and Orponen on the dimension of exceptional projections to one-dimensional subspaces indexed by a space curve in $\mathbb{R}^3$. We do this by obtaining sharp $L^p$ bounds for a variant of the Wolff…

Classical Analysis and ODEs · Mathematics 2024-10-29 Malabika Pramanik , Tongou Yang , Joshua Zahl

We give blow-up analysis for the solutions of an elliptic equation under some conditions. Also, we derive a compactness result for this equation.

Analysis of PDEs · Mathematics 2018-10-31 Samy Skander Bahoura

We give a sup $\times$ inf inequality for an elliptic equation.

Analysis of PDEs · Mathematics 2015-09-08 Samy Skander Bahoura

We obtain estimates for maximal functions that arise when one studies Nikodym-type sets. We also formulate a curvature condition that allows favorable estimates for these maximal functions.

Classical Analysis and ODEs · Mathematics 2007-05-23 Christopher D. Sogge

We give necessary and sufficient conditions on the singular Bj\"{o}rling data to the singular Bj\"{o}rling problem's solution has a prescribed nature of singularity. As an application, we prove that near a maxface with a particular type of…

Differential Geometry · Mathematics 2022-04-14 Pradip Kumar , Sai Rasmi Ranjan Mohanty

For singular corank 1 surfaces in $\mathbb R^3$ we introduce a distinguished normal vector called the axial vector. Using this vector and the curvature parabola we define a new type of curvature called the axial curvature, which generalizes…

Differential Geometry · Mathematics 2019-11-21 Raúl Oset Sinha , Kentaro Saji

In this paper we develop methods to extend the minimal hypersurface approach to positive scalar curvature problems to all dimensions. This includes a proof of the positive mass theorem in all dimensions without a spin assumption. It also…

Differential Geometry · Mathematics 2017-04-20 Richard Schoen , Shing-Tung Yau