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We obtain full moduli parameters for generic non-planar BPS networks of domain walls in an extended Abelian-Higgs model with $N$ complex scalar fields, and exhaust all exact solutions in the corresponding $\mathbb{C}P^{N -1}$ model. We…

High Energy Physics - Theory · Physics 2020-06-24 Minoru Eto , Masaki Kawaguchi , Muneto Nitta , Ryotaro Sasaki

We study several connected problems of holomorphic function spaces on homogeneous Siegel domains. The main object of our study concerns weighted mixed norm Bergman spaces on homogeneous Siegel domains of type II. These problems include:…

Complex Variables · Mathematics 2022-12-20 Mattia Calzi , Marco M. Peloso

For bounded pseudoconvex domains with finite type we give a precise description of the automorphism group: if an orbit of the automorphism group accumulates on at least two different points of the boundary, then the automorphism group has…

Complex Variables · Mathematics 2020-12-02 Andrew Zimmer

We consider the standard Darboux space equipped with the radial symmetric contact form. We study co-orientation preserving contactomorphisms between relatively compact domains up to the boundary. We determine the contactomorphism classes…

Symplectic Geometry · Mathematics 2026-01-22 Jan Eyll , Jonas Fritsch , Kai Zehmisch

In this article, for an optimal range of the smoothness parameter $s$ that depends (quantitatively) on the geometric makeup of the underlying space, the authors identify purely measure theoretic conditions that fully characterize embedding…

Functional Analysis · Mathematics 2022-02-16 Ryan Alvarado , Dachun Yang , Wen Yuan

In this paper, we characterize homogeneous arithmetically Cohen-Macaulay (ACM) bundles and Ulrich bundles on rational homogeneous spaces. %with respect to general polarizations. From this result, we see that there are only finitely many…

Algebraic Geometry · Mathematics 2023-11-06 Xinyi Fang

We derive asymptotic estimates at infinity for positive harmonic functions in a large class of non-smooth unbounded domains. These include domains whose sections, after rescaling, resemble a Lipschitz cylinder or a Lipschitz cone, e.g.,…

Analysis of PDEs · Mathematics 2012-12-13 Koushik Ramachandran

It is shown that two strictly pseudoconvex Stein domains with real analytic boundaries have biholomorphic universal coverings provided that their boundaries are locally biholomorphically equivalent. This statement can be regarded as a…

Complex Variables · Mathematics 2009-04-13 Stefan Nemirovski , Rasul Shafikov

Let $B$ be a curve defined over an algebraically closed field $k$ and let $X\to B$ be an elliptic surface with base curve $B$. We investigate the geometry of everywhere locally trivial principal homogeneous spaces for $X$, i.e. elements of…

Algebraic Geometry · Mathematics 2008-10-16 A. J. de Jong , Robert Friedman

In this paper we introduce a new class of domains -- log-type convex domains, which have no boundary regularity assumptions. Then we will localize the Kobayashi metric in log-type convex subdomains. As an application, we prove a local…

Complex Variables · Mathematics 2020-04-17 Jinsong Liu , Hongyu Wang

We prove bounds for the volume of neighborhoods of algebraic sets, in the euclidean space or the sphere, in terms of the degree of the defining polynomials, the number of variables and the dimension of the algebraic set, without any…

Algebraic Geometry · Mathematics 2021-04-13 Saugata Basu , Antonio Lerario

We extend the definition of quasi-finite complexes by considering not necessarily countable complexes. We provide a characterization of quasi-finite complexes in terms of L-invertible maps and dimensional properties of compactifications.…

General Topology · Mathematics 2007-05-23 Alex Karasev , Vesko Valov

The paper initiates a systematic study of Moebius structures and Ptolemy spaces. We conjecture that every compact Ptolemy space with circles and many space inversions is Moebius equivalent to the boundary at infinity of a rank one symmetric…

Metric Geometry · Mathematics 2010-12-09 Sergei Buyalo , Viktor Schroeder

We prove the existence of nontrivial unbounded exceptional domains in the Euclidean space $\R^N$, $N\geq4$. These domains arise as perturbations of complements of straight cylinders in $\R^N$, and by definition they support a positive…

Analysis of PDEs · Mathematics 2023-06-21 Ignace Aristide Minlend , Tobias Weth , Jing Wu

We show that for acylindrically hyperbolic groups $\Gamma$ (with no nontrivial finite normal subgroups) and arbitrary unitary representation $\rho$ of $\Gamma$ in a (nonzero) uniformly convex Banach space the vector space…

Group Theory · Mathematics 2015-02-16 Mladen Bestvina , Ken Bromberg , Koji Fujiwara

Conjugation spaces are topological spaces equipped with an involution such that their fixed points have the same mod $2$ cohomology (as a graded vector space, a ring, and even an unstable algebra) but with all degrees divided by two,…

Algebraic Topology · Mathematics 2021-07-01 Wolfgang Pitsch , Jérôme Scherer

To any algebraic curve A in a complex 2-torus $(\C^*)^2$ one may associate a closed infinite region in a real plane called the amoeba of A. The amoebas of different curves of the same degree come in different shapes and sizes. All amoebas…

Complex Variables · Mathematics 2007-05-23 Grigory Mikhalkin , Hans Rullgard

The Diederich-Forn{\ae}ss worm domain, an important example of a smoothly bounded pseudoconvex domain without a Stein neighborhood basis, provides key counterexamples in the theory of Several Complex Variables. In this paper, we examine its…

Complex Variables · Mathematics 2025-11-14 Fani Xerakia

We show that every bounded hyperconvex Reinhardt domain can be approximated by special polynomial polyhedra defined by homogeneous polynomial mappings. This is achieved by means of approximation of the pluricomplex Green function of the…

Complex Variables · Mathematics 2011-09-30 Alexander Rashkovskii , Vyacheslav Zakharyuta

Every $\mathbb{A}^{1}-$bundle over the complex affine plane punctured at the origin, is trivial in the differentiable category but there are infinitely many distinct isomorphy classes of algebraic bundles. Isomorphy types of total spaces of…

Algebraic Geometry · Mathematics 2011-06-16 Adrien Dubouloz , David R. Finston