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We obtain a rigidity result of symplectic translating solitons via the complex phase map. It indicates that we can remove the bounded second fundamental form assumption for symplectic translating solitons in [13].

微分几何 · 数学 2022-05-03 Hongbing Qiu

In this paper, inspired by the work of Spruck-Xiao [27] and based partly on a result of Derdzi\'nski [11], we prove the convexity of complete 2-convex translating and expanding solitons to the mean curvature flow in $\mathbb{R}^{n+1}$. More…

微分几何 · 数学 2024-04-02 Junming Xie , Jiangtao Yu

One version of the classical Lefschetz hyperplane theorem states that for $U \subset \mathbb P^n$ a smooth quasi-projective variety of dimension at least $2$, and $H \cap U$ a general hyperplane section, the resulting map on \'etale…

代数几何 · 数学 2020-05-22 Aaron Landesman

In the present article we obtain classification results and topological obstructions for the existence of translating solitons of the mean curvature flow.

微分几何 · 数学 2014-04-29 Francisco Martin , Andreas Savas-Halilaj , Knut Smoczyk

We study the question of finding smooth hyperplane sections to a pencil of hypersurfaces over finite fields.

代数几何 · 数学 2020-12-22 Shamil Asgarli , Dragos Ghioca

We study the uniqueness of horospheres and equidistant spheres in hyperbolic space under different conditions. First we generalize the Bernstein theorem by Do Carmo and Lawson to the embedded hypersurfaces with constant higher order mean…

微分几何 · 数学 2024-12-24 Barbara Nelli , Jingyong Zhu

The Monodromy Conjecture asserts that if c is a pole of the local topological zeta function of a hypersurface, then exp(2\pi i c) is an eigenvalue of the monodromy on the cohomology of the Milnor fiber. A stronger version of the conjecture…

代数几何 · 数学 2010-01-10 Nero Budur , Mircea Mustata , Zach Teitler

We introduce a Bargmann transform on the space of hyperplanes by applying the Plancherel formula of the Radon transform to the definition of the Bargmann transform on the Euclidean space. Some basic facts on microlocal analysis are also…

泛函分析 · 数学 2022-01-26 Hiroyuki Chihara

We proved that any complete hypersurface in the Euclidean space $\mathbb{R}^{n+1}$ whose Gauss image is contained in an open hemisphere has to be proper. As applications, we derive a counterpart of Hoffman-Osserman-Schoen's result for…

微分几何 · 数学 2019-11-11 Hongbing Qiu , Linlin Sun

This paper focuses on the translating solitons of fully nonlinear extrinsic curvature geometric flows in $\mathbb{R}^{n+1}$. We present a generalization of the Spruck-Xiao's and Spruck-Sun's convexity results for $1$-homogeneous…

微分几何 · 数学 2024-11-27 José Torres Santaella

We establish Bernstein Theorems for Lagrangian graphs which are Hamiltonian minimal or have conformal Maslov form. Some known results of minimal (Lagrangian) submanifolds are generalized.

微分几何 · 数学 2008-06-21 Wei Zhang

These are notes on the theory of super Riemann surfaces and their moduli spaces, aiming to collect results that are useful for a better understanding of superstring perturbation theory in the RNS formalism.

高能物理 - 理论 · 物理学 2017-05-23 Edward Witten

We show the existence of a hypersurface that contains a given closed subscheme of a projective space over a finite field and intersects a smooth quasi-projective scheme smoothly, under some condition on the dimension. This generalizes a…

数论 · 数学 2016-11-29 Franziska Wutz

Let $X$ be a smooth irreducible projective variety of dimension at least 2 over an algebraically closed field of characteristic 0 in the projective space ${\mathbb{P}}^n$. Bertini's Theorem states that a general hyperplane $H$ intersects…

代数几何 · 数学 2009-10-22 Jing Zhang

In this paper, we establish nonexistence results for complete translating solitons of the r-mean curvature flow under suitable growth conditions on the (r-1)-mean curvature and on the norm of the second fundamental form. We first show that…

微分几何 · 数学 2026-01-14 Hilário Alencar , G. Pacelli Bessa , Gregório Silva Neto

We introduce the notion of translational Riemannian manifolds and define a Gauss map for orientable immersed hypersurfaces lying in these ambients, an associated translational curvature and prove a Gauss-Bonnet theorem. We also use this…

微分几何 · 数学 2016-09-16 Eduardo R. Longa , Jaime B. Ripoll

We derive a Bernstein type result for the special Lagrangian equation, namely, any global convex solution must be quadratic. In terms of minimal surfaces, the result says that any global minimal Lagrangian graph with convex potential must…

偏微分方程分析 · 数学 2015-06-26 Yu Yuan

We deal with solitons of the mean curvature flow. The definition of \textit{translating solitons on a light-like direction} in Minkowski 3-space is introduced. Firstly, we classify those which are graphical, \textit{translation surfaces},…

微分几何 · 数学 2021-07-20 Erdem Kocakuşaklı , Miguel Ortega

In this paper we study solitons invariant with respect to the flow generated by a complete Killing vector field in a ambient Riemannian manifold. A special case occurs when the ambient manifold is the Riemannian product $(\mathbb{R} \times…

微分几何 · 数学 2018-03-06 Jorge H. de Lira , Francisco Martin

Under a sign assumption on the Minkowski norm, we prove a monotonicity formula for anisotropic minimal hypersurfaces in Euclidean space.

微分几何 · 数学 2026-02-17 Doanh Pham