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We establish an $h$-principle for exact Lagrangian immersions with transverse self-intersections and the minimal, or near-minimal number of double points. One corollary of our result is that any orientable closed 3-manifold admits an exact…

Symplectic Geometry · Mathematics 2013-07-03 Tobias Ekholm , Yakov Eliashberg , Emmy Murphy , Ivan Smith

It is shown that an embedded Lagrangian Klein bottle represents a non-trivial mod 2 homology class in a compact symplectic four-manifold $(X,\omega)$ with $c_1(X)\cdot[\omega]>0$. (In versions 1 and 2, the last assumption was missing. A…

Symplectic Geometry · Mathematics 2009-08-28 Stefan Nemirovski

In this note we provide explicit constructions of exact Lagrangian embeddings of tori and Klein bottles inside the symplectisation of an overtwisted contact three-manifold. Note that any closed exact Lagrangian in the symplectisation is…

Symplectic Geometry · Mathematics 2024-03-06 Georgios Dimitroglou Rizell

In this work, we establish new rigidity results for the Maslov class of Lagrangian submanifolds in large classes of closed and convex symplectic manifolds. Our main result establishes upper bounds for the minimal Maslov number of…

Symplectic Geometry · Mathematics 2008-08-12 Ely Kerman , Nil I. Sirikci

One generalizes the notion of Maslov class of lagrangian embeddings to symplectic vector spaces for the compact case. Topological and geometrical properties of the generalized class is discussed. Certain relationship with the minimality…

Symplectic Geometry · Mathematics 2007-05-23 Nik. A. Tyurin

Let M be a compact, connected, orientable, irreducible 3-manifold and T' an incompressible torus boundary component of M such that the pair (M,T') is not cabled. By a result of C. Gordon, if S and T are incompressible punctured tori in M…

Geometric Topology · Mathematics 2007-05-23 Luis G. Valdez-Sanchez

We propose a new method for the construction of Hamiltonian-minimal and minimal Lagrangian immersions of some manifolds in $C^n$ and in $CP^n$. By this method one can construct, in particular, immersions of such manifolds as the generalized…

Differential Geometry · Mathematics 2015-06-26 A. E. Mironov

We derive some restrictions on the topology of a monotone Lagrangian submanifold $L\subset\mathbf{C}^n$ by making observations about the topology of the moduli space of Maslov 2 holomorphic discs with boundary on $L$ and then using Damian's…

Symplectic Geometry · Mathematics 2019-09-11 Jonathan David Evans , Jarek Kȩdra

We give a method to construct singular Lagrangian 3-torus fibrations over certain a priori given integral affine manifolds with singularities, which we call simple. The main result of this article is the proof that the topological…

Symplectic Geometry · Mathematics 2009-08-07 R. Castano-Bernard , D. Matessi

We consider two natural Lagrangian intersection problems in the context of symplectic toric manifolds: displaceability of torus orbits and of a torus orbit with the real part of the toric manifold. Our remarks address the fact that one can…

Symplectic Geometry · Mathematics 2012-01-18 Miguel Abreu , Leonardo Macarini

We show that, up to Lagrangian isotopy, there is a unique Lagrangian torus inside each of the following uniruled symplectic four-manifolds: the symplectic vector space $\mathbb{R}^4$, the projective plane $\mathbb{C}P^2$, and the monotone…

Symplectic Geometry · Mathematics 2016-11-08 Georgios Dimitroglou Rizell , Elizabeth Goodman , Alexander Ivrii

Every closed, oriented, real analytic Riemannian 3-manifold can be isometrically embedded as a special Lagrangian submanifold of a Calabi-Yau 3-fold, even as the real locus of an antiholomorphic, isometric involution. Every closed,…

Differential Geometry · Mathematics 2007-05-23 Robert L. Bryant

Mironov, Panov and Kotelskiy studied Hamiltonian-minimal Lagrangians inside $\mathbb{C}^n$. They associated a closed embedded Lagrangian $L$ to each Delzant polytope $P$. In this paper we develop their ideas and prove that $L$ is monotone…

Symplectic Geometry · Mathematics 2022-09-07 Vardan Oganesyan

It is shown that the n-dimensional Klein bottle admits a Lagrangian embedding into R^{2n} if and only if n is odd.

Symplectic Geometry · Mathematics 2009-11-20 Stefan Nemirovski

We provide a lower bound for the embedding capacity of higher-dimensional symplectic ellipsoids, formulated in terms of the Lagrangian capacity of ellipsoids. Our approach relies on examining the Borman--Sheridan class of a Weinstein…

Symplectic Geometry · Mathematics 2026-02-16 Shah Faisal

In this paper we consider the problem of packing a symplectic manifold with integral Lagrangian tori, that is Lagrangian tori whose area homomorphsims take only integer values. We prove that the Clifford torus in $S^2 \times S^2$ is a…

Symplectic Geometry · Mathematics 2024-09-04 Richard K. Hind , Ely Kerman

We study Riemannian metrics on compact, torsionless, non-geometric $3$-manifolds, i.e. whose interior does not support any of the eight model geometries. We prove a lower bound "\`a la Margulis" for the systole and a volume estimate for…

Metric Geometry · Mathematics 2019-12-11 Filippo Cerocchi , Andrea Sambusetti

We determine when a Legendrian quasipositive 3-braid closure in standard contact $\mathbb{R}^3$ admits an orientable or non-orientable exact Lagrangian filling. Our main result provides evidence for the orientable fillability conjecture of…

Symplectic Geometry · Mathematics 2026-01-19 James Hughes , Jiajie Ma

We introduce the notion of a minimal Lagrangian connection on the tangent bundle of a manifold and classify all such connections in the case where the manifold is a compact oriented surface of non-vanishing Euler characteristic. Combining…

Differential Geometry · Mathematics 2020-03-04 Thomas Mettler

This paper proves that the domain of the Laplacian, $\DEL,$ on a closed Riemannian manifold, $(M,g),$ is compactly embedded in $L^{2} (M) .$ Particularly, the resolvent of the Laplacian, $(\DEL + 1)^{-1},$ is shown to be compactly embedded…

Spectral Theory · Mathematics 2018-01-30 Louis Omenyi
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