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For certain bordered submanifolds $M\subset\CC^2$ we show that $M$ can be embedded properly and holomorphically into $\CC^2$. An application is that any subset of a torus with two boundary components can be embedded properly into $\CC^2$.

Complex Variables · Mathematics 2007-05-23 Erlend Fornaess Wold

We prove that any minimal Lagrangian diffeomorphism between two closed spherical surfaces with cone singularities is an isometry, without any assumption on the multiangles of the two surfaces. As an application, we show that every branched…

Differential Geometry · Mathematics 2024-10-25 Christian El Emam , Andrea Seppi

We examine the $L^2$-topology of the gauge orbits over a closed Riemann surface. We prove a subtle local slice theorem based on the div-curl Lemma of harmonic analysis, and deduce local pathwise connectedness and local uniform…

Geometric Topology · Mathematics 2010-05-06 Tomasz S. Mrowka , Katrin Wehrheim

We prove that any compact K\"ahler 3-dimensional manifold which has no non-trivial complex subvarieties is a torus. This is a very special case of a general conjecture on the structure of 'simple manifolds', central in the bimeromorphic…

Algebraic Geometry · Mathematics 2014-01-16 Frédéric Campana , Jean-Pierre Demailly , Misha Verbitsky

We describe the Fukaya-Seidel category of a Landau-Ginzburg model LG(2) for the semisimple adjoint orbit of sl(2,C). We prove that this category is equivalent to a full triangulated subcategory of the category of coherent sheaves on the…

Symplectic Geometry · Mathematics 2019-09-24 Edoardo Ballico , Severin Barmeier , Elizabeth Gasparim , Lino Grama , Luiz A. B. San Martin

In this paper, we investigate Lagrangian submanifolds in the nearly Kaehler $S^3 \times S^3$. We construct a new example which is a at Lagrangian torus. We give a complete classification of all the Lagrangian immersions of spaces of…

Differential Geometry · Mathematics 2016-04-19 Bart Dioos , Luc Vrancken , Xianfeng Wang

A quick proof of Bing's theorem indicated by the title is given. The proof also concludes Gumerov's result on covering degrees of solenoids.

Geometric Topology · Mathematics 2024-07-09 Boju Jiang , Shicheng Wang , Hao Zheng

We establish new examples of augmentations of Legendrian twist knots that cannot be induced by orientable Lagrangian fillings. To do so, we use a version of the Seidel-Ekholm-Dimitroglou Rizell isomorphism with local coefficients to show…

Symplectic Geometry · Mathematics 2021-03-09 Honghao Gao , Dan Rutherford

We prove an existence result for exact lagrangian cobordisms between closed legendrians.

Differential Geometry · Mathematics 2016-02-23 Sauvik Mukherjee

We show that all Lagrangian submanifolds of the cotangent bundle of a Riemann surface which are homotopic to the zero section must be smoothly isotopic to the zero section.

Symplectic Geometry · Mathematics 2007-05-23 R. Hind , A. Ivrii

Motivated by the strong nearby Lagrangian conjecture, we constrain the parametrised Whitehead torsion of a family of closed exact Lagrangian submanifolds in a cotangent bundle. We prove the parametrised Whitehead torsion admits a…

Symplectic Geometry · Mathematics 2025-06-09 Sylvain Courte , Noah Porcelli

In 1993, Y.-G. Oh proposed a problem whether standard Lagrangian tori in C^n are volume minimizing under Hamiltonian isotopies of C^n. In this article, we prove that most of them do not have such property if the dimension n is greater than…

Differential Geometry · Mathematics 2015-12-09 Hiroshi Iriyeh , Hajime Ono

In this paper, we present a complete coarse classification of non-loose Legendrian and transverse torus knots in any contact structure on $S^1\times S^2$.

Geometric Topology · Mathematics 2025-12-29 Jiaxin Huang , Youlin Li , Zaiting Xu

We describe the evolution under the mean curvature flow of embedded Lagrangian spherical surfaces in the complex Euclidean plane $\mathbb{C}^2$. In particular, we answer the Question 4.7 addressed in [Ne10b] by A. Neves about finding out a…

Differential Geometry · Mathematics 2018-02-12 Ildefonso Castro , Ana M. Lerma , Vicente Miquel

Let $P$ be a Delzant polytope in $\mathbb{R}^k$ with $n+k$ facets. We associate a closed Lagrangian submanifold $L$ of $\mathbb{C}^n$ to each Delzant polytope. We prove that $L$ is monotone if and only if and only if the polytope $P$ is…

Symplectic Geometry · Mathematics 2020-03-03 Vardan Oganesyan

We present a construction of noncommutative double mirrors to complete intersections in toric varieties. This construction unifies existing sporadic examples and explains the underlying combinatorial and physical reasons for their…

Algebraic Geometry · Mathematics 2016-02-22 Lev Borisov , Zhan Li

In this paper, we discuss the Lagrangian angle and the K\"ahler angle of immersed surfaces in $\mathbb C^2$. Firstly, we provide an extension of Lagrangian angle, Maslov form and Maslov class to more general surfaces in $\mathbb C^2$ than…

Differential Geometry · Mathematics 2015-11-10 Xingxiao Li , Xiao Li

In this article we define Lagrangian concordance of Legendrian knots, the analogue of smooth concordance of knots in the Legendrian category. In particular we study the relation of Lagrangian concordance under Legendrian isotopy. The focus…

Symplectic Geometry · Mathematics 2014-10-01 Baptiste Chantraine

We prove two main results: (a) Suppose $L$ is a closed, embedded, exact special Lagrangian $m$-fold in ${\mathbb C}^m$ for $m\ge 3$ asymptotic at infinity to the union $\Pi_1\cup\Pi_2$ of two transverse special Lagrangian planes…

Symplectic Geometry · Mathematics 2016-04-06 Yohsuke Imagi , Dominic Joyce , Joana Oliveira dos Santos

We use almost toric fibrations and the symplectic rational blow-up to determine when certain Lagrangian pinwheels, which we call liminal, embed in symplectic rational and ruled surfaces. The case of $L_{2,1}$-pinwheels, namely Lagrangian…

Symplectic Geometry · Mathematics 2025-03-21 Nikolas Adaloglou , Johannes Hauber
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