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A Teichm\"uller curve is an algebraic and isometric immersion of an algebraic curve into the moduli space of Riemann surfaces. We give the first explicit algebraic models of Teichm\"uller curves of positive genus. Our methods are based on…

Algebraic Geometry · Mathematics 2017-12-20 Abhinav Kumar , Ronen E. Mukamel

We introduce tabular algebras, which are simultaneous generalizations of cellular algebras (in the sense of Graham-Lehrer) and table algebras (in the sense of Arad-Blau). We show that if a tabular algebra is equipped with a certain kind of…

Quantum Algebra · Mathematics 2007-05-23 R. M. Green

We present a series of examples of pairs of singular semialgebraic surfaces (real semialgebraic sets of dimension two) in ${\mathbb R}^3$ and ${\mathbb R}^4$ which are bi-Lipschitz equivalent with respect to the outer metric, ambient…

Algebraic Geometry · Mathematics 2017-10-17 Lev Birbrair , Andrei Gabrielov

This article surveys and develops the use of simultaneous uniformization for the study of chord-arc curves in the BMO Teichm\"uller space. The method of simultaneous uniformization provides a unified complex-analytic framework in which…

Complex Variables · Mathematics 2025-09-09 Katsuhiko Matsuzaki

We give characterizations of unital uniform topological algebras and saturated locally multiplicatively convex algebras by means of multiplicative linear functionals. Some automatic continuity theorems in advertibly complete uniform…

Functional Analysis · Mathematics 2014-01-03 M. El Azhari

The classical uniformization theorem states that any simply connected Riemann surface is conformally equivalent to the disk, the plane, or the sphere, each equipped with a standard conformal structure. We give a similar uniformization for…

Metric Geometry · Mathematics 2014-02-26 Kevin Wildrick

Despite the number of relevant considerations in the literature, the algebra of generalized symmetries of the Burgers equation has not been exhaustively described. We fill this gap, presenting a basis of this algebra in an explicit form and…

Analysis of PDEs · Mathematics 2024-06-06 Dmytro R. Popovych , Alex Bihlo , Roman O. Popovych

We generalize a new class of cluster type mutations for which exchange transformations are given by reciprocal polynomials. In the case of second-order polynomials of the form $x+2\cos{\pi/n_o}+x^{-1}$ these transformations are related to…

Mathematical Physics · Physics 2014-08-22 Leonid Chekhov , Michael Shapiro

Here, building on our previous work [Phys. Rev. B, 92, 125153, (2015)], it is shown that the propagation of unidirectional gapless edge states at an interface of two topologically distinct electromagnetic continua with a well-behaved…

Optics · Physics 2017-03-03 Mario G. Silveirinha

In this article we use techniques from tropical and logarithmic geometry to construct a non-Archimedean analogue of Teichm\"uller space $\overline{\mathcal{T}}_g$ whose points are pairs consisting of a stable projective curve over a…

Algebraic Geometry · Mathematics 2020-04-17 Martin Ulirsch

The parametrization theorem is derived in a flat nD pseudo-complex affine space. The pseudo-complex hyperbolic space accomodates n-number of uncompactified time-like extra dimensions with sugnature (s,r), where s and r are the numbers of…

Differential Geometry · Mathematics 2010-03-02 Minh Q. Truong

We introduce superequivalence and superuniform spaces.

Rings and Algebras · Mathematics 2018-11-06 William H. Rowan

We introduce the notion of a non--linear Lie conformal superalgebra and prove a PBW theorem for its universal enveloping vertex algebra. We also show that conversely any graded freely generated vertex algebra is the universal enveloping…

Mathematical Physics · Physics 2015-12-18 Alberto De Sole , Victor Kac

In this article we show that Bers' simultaneous uniformization as well as the K\"oebe's retrosection theorem are not longer true for discrete groups of projective transformations acting on the complex projective space.

Dynamical Systems · Mathematics 2016-09-27 Angel Cano , Luis Loeza , Alejandro Ucan-Puc

A general method for constructing essential uniform algebras with prescribed properties is presented. Using the method, the following examples are constructed: an essential, natural, regular uniform algebra on the closed unit disc; an…

Functional Analysis · Mathematics 2018-03-06 J. F. Feinstein , Alexander J. Izzo

We review the following subjects: 1. Basic theory on algebraic curves and their moduli space, 2. Schottky uniformization theory of Riemann surfaces, and its extension called arithmetic uniformization theory, 3. Application to these theories…

Number Theory · Mathematics 2014-09-23 Takashi Ichikawa

Recently the author presented a new approach to solving the coefficient problems for various classes of holomorphic functions $f(z) = \sum\limits_0^\infty c_n z^n$, not necessarily univalent. This approach is based on lifting the given…

Complex Variables · Mathematics 2025-04-03 Samuel L. Krushkal

We show that the moduli spaces of irreducible labeled parametrized marked rational curves in toric varieties can be embedded into algebraic tori such that their tropicalizations are the analogous tropical moduli spaces. These embeddings are…

Algebraic Geometry · Mathematics 2016-12-01 Andreas Gross

The notion of discrete conformality proposed by Luo and Bobenko-Pinkall-Springborn on triangle meshes has rich mathematical theories and wide applications. Gu et al. proved that the discrete uniformizations approximate the continuous…

Geometric Topology · Mathematics 2021-10-18 Yanwen Luo , Tianqi Wu , Xiaoping Zhu

We study the modular representation theory of the symmetric and alternating groups. One of the most natural ways to label the irreducible representations of a given group or algebra in the modular case is to show the unitriangularity of the…

Representation Theory · Mathematics 2020-12-09 Olivier Brunat , Jean-Baptiste Gramain , Nicolas Jacon