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We first obtain the dimension formulas for the spaces of holomorphic modular forms with character for the Fricke group $\Gamma_0^+(N)$, then that for $\Gamma_0^*(N)$ with all Atkin-Lehner involutions added in a particular case.

Number Theory · Mathematics 2022-11-18 Yichao Zhang , Yang Zhou

We discuss the most general form of the Lorentz transformation in 1+1 dimensional spacetime, focusing mainly on its superluminal branch. For this purpose, we introduce the 2-velocity of a reference frame and the clockwork postulate. Basic…

General Physics · Physics 2025-10-17 Bogdan S. Damski

In this paper, we first give two fundamental principles under a technique to characterize conformal vector fields of $(\alpha,\beta)$ spaces to be homothetic and determine the local structure of those homothetic fields. Then we use the…

Differential Geometry · Mathematics 2016-08-30 Guojun Yang

The pseudospherical functions on one-sheet, two-dimensional hyperboloid are discussed. The simplest method of construction of these functions is introduced using the Fock space structure of the representation space of the su(1,1) algebra.…

Mathematical Physics · Physics 2015-05-27 K. Kowalski , J. Rembielinski , A. Szczesniak

We systematically find conditions which yield locally uniform convergence in the Fourier inversion formula in one and higher dimensions. We apply the gained knowledge to the complex inversion formula of the Laplace transform to extend known…

Functional Analysis · Mathematics 2025-04-01 Joannis Alexopoulos

We establish how a two-dimensional local field can be described as a locally convex space once an embedding of a local field into it has been fixed. We study the resulting spaces from a functional analytic point of view: in particular we…

Number Theory · Mathematics 2013-01-31 Alberto Camara

A conformable time-scale fractional calculus of order $\alpha \in ]0,1]$ is introduced. The basic tools for fractional differentiation and fractional integration are then developed. The Hilger time-scale calculus is obtained as a particular…

Classical Analysis and ODEs · Mathematics 2015-12-24 Nadia Benkhettou , Salima Hassani , Delfim F. M. Torres

The goal of this paper is to describe the $\alpha$-cosine transform on functions on a Grassmannian of $i$-planes in an $n$-dimensional real vector space. in analytic terms as explicitly as possible. We show that for all but finitely many…

Metric Geometry · Mathematics 2016-05-06 Semyon Alesker , Dmitry Gourevitch , Siddhartha Sahi

In a minimalistic view, the use of noncommutative coordinates can be seen just as a way to better express non-local interactions of a special kind: 1-particle solutions (wavefunctions) of the equation of motion in the presence of an…

High Energy Physics - Theory · Physics 2012-09-28 Gaetano Fiore

The aim of this work is to present, in self-contained form, results concerning fundamental and the most important questions related to linear stochastic Volterra equations of convolution type. The paper is devoted to study the existence and…

Probability · Mathematics 2007-12-31 Anna Karczewska

In this paper we prove a new inversion theorem and a refinement of an old support theorem for two Radon transforms on a symmetric space. Included are some new identities for the Abel transform and some results about the Fourier transform…

Representation Theory · Mathematics 2007-05-23 Sigurdur Helgason

We give tight bounds on the relation between the primal and dual of various combinatorial dimensions, such as the pseudo-dimension and fat-shattering dimension, for multi-valued function classes. These dimensional notions play an important…

Combinatorics · Mathematics 2021-08-24 Pieter Kleer , Hans Simon

We study the surface area of an ellipsoid in n-dimensional Euclidean space as the function of the lengths of their major semi-axes. We write down an explicit formula as an integral over the unit sphere, use the formula to derive convexity…

Metric Geometry · Mathematics 2007-05-23 Igor Rivin

We consider eigenvalue problems in quantum mechanics in one dimension. Hamiltonians contain a class of double well potential terms, x^6 + \alpha x^2, for example . The space coordinate is continued to a complex plane and the connection…

Quantum Physics · Physics 2015-06-26 J. Suzuki

We review the recent developments in the study of conformal field theories in generic space time dimensions using the methods of the conformal bootstrap, in its analytic aspect. These techniques are based solely on symmetries, in particular…

High Energy Physics - Theory · Physics 2021-09-27 Agnese Bissi , Parijat Dey , Giulia Fardelli

Lie derivatives of various geometrical and physical quantities define symmetries and conformal symmetries in general relativity. Thus we obtain motions, collineations, conformal motions and conformal collineations. These symmetries are used…

General Relativity and Quantum Cosmology · Physics 2009-11-13 K. Saifullah

In this paper we defined some function spaces on time scale which are Banach spaces respect to supremum norm. We study integral transformations which are carry to some important properties between mentioned above function spaces.

Functional Analysis · Mathematics 2011-04-29 Mustafa Seyyit Seyyidoglu , Neset Ozkan Tan

In this work, we construct some irreducible components of the space of two-dimensional holomorphic foliations on $\mathbb{P}^n$ associated to some algebraic representations of the affine Lie algebra $\mathfrak{aff}(\mathbb{C})$. We give a…

Algebraic Geometry · Mathematics 2018-10-03 Raphael Constant da Costa

We present a framework which unifies a large class of non-commutative spacetimes that can be described in terms of a deformed Heisenberg algebra. The commutation relations between spacetime coordinates are up to linear order in the…

High Energy Physics - Theory · Physics 2017-01-18 Stjepan Meljanac , Daniel Meljanac , Flavio Mercati , Danijel Pikutić

Galilean Conformal Algebra (GCA) arises as a controlled nonrelativistic limit of the relativistic conformal algebra. In this paper, we initiate the study of momentum space correlation functions in two-dimensional GCA. We derive and solve…

High Energy Physics - Theory · Physics 2026-01-07 Anchita Chetia , Nirmalya Kajuri , Chandra Prakash
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