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Related papers: Conformal Invariants in Simply Connected Domains

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It is shown that in dimension at least three a local diffeomorphism of Euclidean n-space into itself is injective provided that the pull-back of every plane is a Riemannian submanifold which is conformal to a plane. Using a similar…

Differential Geometry · Mathematics 2020-03-02 Frederico Xavier

We study proper holomorphic mappings between strictly pseudoconvex domains with low boundary regularity.

Complex Variables · Mathematics 2021-08-11 Alexandre Sukhov

Conformally compactified (3+1)-dimensional Minkowski spacetime may be identified with the projective light cone in (4+2)-dimensional spacetime. In the latter spacetime the special conformal group acts via rotations and boosts, and conformal…

High Energy Physics - Theory · Physics 2017-01-05 Steven Duplij , Gerald A. Goldin , Vladimir Shtelen

We construct a family of canonical connections and surrounding basic theory for almost complex manifolds that are equipped with an affine connection. This framework provides a uniform approach to treating a range of geometries. In…

Differential Geometry · Mathematics 2012-08-06 A. Rod Gover , Pawel Nurowski

In this paper, we study conformal invariants that arise from nodal sets and negative eigenvalues of conformally covariant operators on manifolds with boundary. We also consider applications to curvature prescription problems on manifolds…

Analysis of PDEs · Mathematics 2019-05-16 Graham Cox , Dmitry Jakobson , Mikhail Karpukhin , Yannick Sire

We consider the conformal mapping of the Bunimovich stadium, a region enclosed by a Jordan curve with four smooth corners, primarily in the context of a particle undergoing Brownian motion within its closed geometry with Dirichlet boundary…

Numerical Analysis · Mathematics 2014-10-21 Vipin Kerala Varma

We consider the Dirichlet and Neumann eigenvalues of the Laplacian for a planar, simply connected domain. The eigenvalues admit a characterization in terms of a layer potential of the Helmholtz equation. Using the exterior conformal mapping…

Numerical Analysis · Mathematics 2024-10-22 Marius Beceanu , Jiho Hong , Hyun-Kyoung Kwon , Mikyoung Lim

We consider the problem of reconstruction of planar domains from their moments. Specifically, we consider domains with boundary which can be represented by a union of a finite number of pieces whose graphs are solutions of a linear…

Classical Analysis and ODEs · Mathematics 2013-06-06 Dmitry Batenkov , Vladimir Golubyatnikov , Yosef Yomdin

The conformal nature of smooth curves in $\mathbb{R}^3$ is characterised by conformal length, curvature and torsion. We present a derivation of these conformal parameters via a limiting process using inscribed polygons with circular edges .…

Differential Geometry · Mathematics 2024-02-01 Harald Dorn

A method is proposed for defining an arbitrary number of differential calculi over a given noncommutative associative algebra. As an example the generalized quantum plane is studied. It is found that there is a strong correlation, but not a…

q-alg · Mathematics 2009-10-30 Aristophanes Dimakis , J. Madore

Many authors have studied the numerical computation of conformal mappings (numerical conformal mapping), and there are nowadays several efficient numerical schemes. Among them, Amano's method offers a straightforward numerical procedure for…

Numerical Analysis · Mathematics 2019-11-25 Koya Sakakibara

We provide the full classification, in arbitrary even and odd dimensions, of global conformal invariants, i.e., scalar densities in the spacetime metric and its derivatives that are invariant, possibly up to a total derivative, under local…

Mathematical Physics · Physics 2019-07-05 Nicolas Boulanger , Jordan François , Serge Lazzarini

The invariant theory for conformal hypersurfaces is studied by treating these as the conformal infinity of a conformally compact manifold: For a given conformal hypersurface embedding, a distinguished ambient metric is found (within its…

Differential Geometry · Mathematics 2016-11-15 A. Rod Gover , Andrew Waldron

The authors propose a Nystrom method to approximate the solution of a boundary integral equation connected with the exterior Neumann problem for Laplace's equation on planar domains with corners. They prove the convergence and the stability…

Numerical Analysis · Mathematics 2015-04-15 Luisa Fermo , Concetta Laurita

We compute the quotient of the self-duality equation for conformal metrics by the action of the diffeomorphism group. We also determine Hilbert polynomial, counting the number of independent scalar differential invariants depending on the…

Differential Geometry · Mathematics 2017-03-08 Boris Kruglikov , Eivind Schneider

We consider a conformally invariant version of the Calder\'on problem, where the objective is to determine the conformal class of a Riemannian manifold with boundary from the Dirichlet-to-Neumann map for the conformal Laplacian. The main…

Analysis of PDEs · Mathematics 2016-12-26 Matti Lassas , Tony Liimatainen , Mikko Salo

We calculate the modulus of curve families inside a hyperbolic quadrilateral and a hyperbolic annulus.

Complex Variables · Mathematics 2026-05-18 Ioannis D. Platis

Classical extremal length (or conformal modulus) is a conformal invariant involving families of paths on the Riemann sphere. In ``Extremal length and functional completion'', Fuglede initiated an abstract theory of extremal length which has…

Complex Variables · Mathematics 2024-08-23 Kai Rajala

Motivated by the pressing request of methods able to create prediction sets in a general regression framework for a multivariate functional response and pushed by new methodological advancements in non-parametric prediction for functional…

Methodology · Statistics 2021-06-04 Jacopo Diquigiovanni , Matteo Fontana , Simone Vantini

The moduli spaces of compact and connected Riemann surfaces has been a central topic in modern mathematics in recent years. Thus their homological dimensions become important invariants. Motivated by the emergence mathematical counterparts…

Quantum Algebra · Mathematics 2020-03-30 Hao Yu