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We study magnetic geodesic flows invariant under rotations on the 2-sphere. The dynamical system is given by a generic pair of functions $(f,\Lambda)$ in one variable. Topology of the Liouville fibration of the given integrable system near…

Dynamical Systems · Mathematics 2025-05-20 Ivan F. Kobtsev , Elena A. Kudryavtseva

In this study we work on a novel Hamiltonian system which is Liouville integrable. In the integrable Hamiltonian model, conserved currents can be represented as Binomial polynomials in which each order corresponds to the integral of motion…

Exactly Solvable and Integrable Systems · Physics 2023-04-11 Mustafa Mullahasanoglu

This text proposes geometrical descriptions of all variational problems invariant by conformal transformations in two variables. First a characterisation in terms of C-Finsler manifolds, a suitable generalization of Finsler manifolds, is…

Differential Geometry · Mathematics 2007-05-23 Frederic Helein

The requirements of conformal invariance for two and three point functions for general dimension $d$ on flat space are investigated. A compact group theoretic construction of the three point function for arbitrary spin fields is presented…

High Energy Physics - Theory · Physics 2008-11-26 H. Osborn , A. Petkos

In this paper we present a class of four-dimensional bi-rational maps with two invariants satisfying certain constraints on degrees. We discuss the integrability properties of these maps from the point of view of degree growth and Liouville…

Exactly Solvable and Integrable Systems · Physics 2020-04-22 G. Gubbiotti , N. Joshi , D. T. Tran , C-M. Viallet

A covariant formalism for Moyal deformations of gauge theory and differential equations which determine Seiberg-Witten maps is presented. Replacing the ordinary product of functions by the noncommutative Moyal product, noncommutative…

High Energy Physics - Theory · Physics 2007-05-23 Aristophanes Dimakis , Folkert Muller-Hoissen

Global aspects of the motion of passive scalars in time-dependent incompressible fluid flows are well described by volume-preserving (Liouvillian) three-dimensional maps. In this paper the possible invariant structures in Liouvillian maps…

chao-dyn · Physics 2012-08-02 Julyan H. E. Cartwright , Mario Feingold , Oreste Piro

A canonical transformation which relates the model of a massive relativistic particle moving near the horizon of an extremal black hole in four dimensions and the conventional conformal mechanics is constructed in two different ways. The…

High Energy Physics - Theory · Physics 2017-07-28 Anton Galajinsky , Armen Nersessian

In this paper, we design two fundamental differential operators for the derivation of rotation differential invariants of images. Each differential invariant obtained by using the new method can be expressed as a homogeneous polynomial of…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Hanlin Mo , Hua Li

Second order integrals of motion for 3d quantum mechanical systems with position dependent masses (PDM) are classified. Namely, all PDM systems are specified which, in addition to their rotation invariance, admit at least one second order…

Mathematical Physics · Physics 2016-03-04 A. G. Nikitin

We establish a Liouville type theorem for some conformally invariant fully nonlinear equations

Analysis of PDEs · Mathematics 2007-05-23 Aobing Li , YanYan Li

In this letter we give fourth-order autonomous recurrence relations with two invariants, whose degree growth is cubic or exponential. These examples contradict the common belief that maps with sufficiently many invariants can have at most…

Exactly Solvable and Integrable Systems · Physics 2019-05-31 G. Gubbiotti , N. Joshi , D. T. Tran , C-M. Viallet

The covariantization procedure is usually referred to the translation operator, that is the derivative. Here we introduce a general method to covariantize arbitrary differential operators, such as the ones defining the fundamental group of…

High Energy Physics - Theory · Physics 2018-06-20 Marco Matone , Paolo Pasti

In the paper, we study the images of circles, lines, balls and half-planes under Mobius transformations.

Complex Variables · Mathematics 2018-06-04 Mateusz Krukowski

We show that the structure of the Liouville action on a two dimensional Regge surface of the topology of the sphere and of the torus is determined by the invariance under the transformations induced by the conformal Killing vector fields…

General Relativity and Quantum Cosmology · Physics 2009-10-30 Pietro Menotti

Quantization of diffeomorphism invariant theories of connections is studied. A solutions of the diffeomorphism constraints is found. The space of solutions is equipped with an inner product that is shown to satisfy the physical reality…

General Relativity and Quantum Cosmology · Physics 2010-11-01 Abhay Ashtekar , Jerzy Lewandowski , Donald Marolf , Jose Mourao , Thomas Thiemann

We study Hadamard variations with respect to general domain perturbations, particularly for the Neumann boundary condition. They are derived from new Liouville's formulae concerning the transformation of volume and area integrals. Then,…

Analysis of PDEs · Mathematics 2024-03-01 Takashi Suzuki , Takuya Tsuchiya

Let $F$ be a number field, $k$ a positive integer. In this paper, we define the Mobius and Liouville functions of order $k$ in $F$. We give a formula about the partial sums of them by using elementary number theory and complex analysis.…

Number Theory · Mathematics 2014-02-24 Yusuke Fujisawa

Besides its various applications in string and D-brane physics, the $\theta$-deformation of space (-time) coordinates (naively called the noncommutativity of coordinates), based on the $\star$-product, behaves as a more general framework…

High Energy Physics - Theory · Physics 2009-03-09 O. Dafounansou , A. El Boukili , M. B. Sedra

Leveraging the large generative prior of the flow transformer for tuning-free image editing requires authentic inversion to project the image into the model's domain and a flexible invariance control mechanism to preserve non-target…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Pengcheng Xu , Boyuan Jiang , Xiaobin Hu , Donghao Luo , Qingdong He , Jiangning Zhang , Chengjie Wang , Yunsheng Wu , Charles Ling , Boyu Wang