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In two previous papers, we constructed two modified Hamiltonian formalisms to make maps among manifolds explicit. In this paper, the two modified formalisms were adapted to manifolds with local coordinates given by scalar fields, as in a…

Mathematical Physics · Physics 2013-11-15 A. C. V. V. de Siqueira

We comment on a recent paper regarding the derivation of the magnetic field components of a solenoid in analytical form by proposing a different and simpler method

Accelerator Physics · Physics 2021-04-26 G. Dattoli , E. Di Palma , E. Sabia

This paper formulates a generalization of our work on quantum knots to explain how to make quantum versions of algebraic, combinatorial and topological structures. We include a description of previous work on the construction of Hilbert…

Quantum Physics · Physics 2011-05-04 Louis H. Kauffman , Samuel J. Lomonaco

We classify toroidal solenoids defined by non-singular $n\times n$-matrices $A$ with integer coefficients by studying associated first \^Cech cohomology groups. In a previous work, we classified the groups in the case $n=2$ using…

Number Theory · Mathematics 2022-09-30 Maria Sabitova

A few 2+1-dimensional equations belonging to the KP and modified KP hierarchies are shown to be sufficient to provide a unified picture of all the integrable cases of the cubic and quartic H\'enon-Heiles Hamiltonians.

Exactly Solvable and Integrable Systems · Physics 2017-10-16 Caroline Verhoeven , Micheline Musette , Robert Conte

We discuss the construction of oscillator-like systems associated with orthogonal polynomials on the example of the Fibonacci oscillator. In addition, we consider the dimension of the corresponding lie algebras.

Mathematical Physics · Physics 2015-03-02 V. V. Borzov , E. V. Damaskinsky

We construct "large" Cantor sets whose complements resemble the unit disk arbitrarily well from the point of view of the squeezing function, and we construct "large" Cantor sets whose complements do not resemble the unit disk from the point…

Complex Variables · Mathematics 2017-10-31 Leandro Arosio , John Erik Fornæss , Nikolay Shcherbina , Erlend Fornæss Wold

We consider closed acylindrical surfaces in 3-manifolds and in knot and link complements, and show that the genus of these surfaces is bounded linearly by the number of tetrahedra in the triangulation of the manifold and by the number of…

Geometric Topology · Mathematics 2009-09-29 Mario Eudave-Munoz , Max Neumann-Coto

We give a new and detailed description of the structure of cut loci, with direct applications to the singular sets of some Hamilton-Jacobi equations. These sets may be non-triangulable, but a local description at all points except for a set…

Analysis of PDEs · Mathematics 2009-12-15 Pablo Angulo Ardoy , Luis Guijarro

A combinatorial construction of a Gelafand model for the symmetric group and its Iwahori-Hecke algebra is presented.

Representation Theory · Mathematics 2008-03-26 Ron M. Adin , Alexander Postnikov , Yuval Roichman

This work addresses a full characterization of three new q-polynomials derived from the $q-$oscillator algebra. Related matrix elements and generating functions are deduced. Further, a connection between Hahn factorial and q-Gaussian…

Mathematical Physics · Physics 2013-11-25 Won Sang Chung , Mahouton Norbert Hounkonnou , Sama Arjika

In this note we briefly review some recent results of the authors on the topological and geometrical properties of 3-cosymplectic manifolds.

Differential Geometry · Mathematics 2012-09-10 Beniamino Cappelletti Montano , Antonio De Nicola , Ivan Yudin

Let $(M,J)$ be a $n$-dimensional complex manifold: a $p$-K\"ahler structure (resp. $p$-symplectic structure) on $M$ is a real, closed $(p,p)$-transverse form $\Omega$ (resp. real, closed $2p$-form whose $(p,p)$-component is transverse). We…

Differential Geometry · Mathematics 2024-07-17 Ettore Lo Giudice , Adriano Tomassini

We give a construction for spherical 3-designs. This construction is a generalization of Bondarenko's work.

Combinatorics · Mathematics 2020-03-02 Tsuyoshi Miezaki

We consider three forms of composition of matroids, each of which extends the category of bimatroids to a rigid monoidal category. Many well-known constructions are functorial or defined by morphisms in these categories. Motivating examples…

Combinatorics · Mathematics 2024-03-07 Kevin Purbhoo

As a first step to understand how complicated attractors for dynamical systems can be, one may consider the following realizability problem: given a continuum $K \subseteq \mathbb{R}^3$, decide when $K$ can be realized as an attractor for a…

Geometric Topology · Mathematics 2020-03-18 Héctor Barge , J. J. Sánchez-Gabites

A list of open problems on holomorphic symplectic, contact and Poisson manifolds.

Algebraic Geometry · Mathematics 2010-02-24 Arnaud Beauville

The aim of this article is to show the existence, and also give an explicit construction, of infinite sets of orthogonal exponentials for certain families of convex polytopes which include simple-rational polytopes and also non simple…

Combinatorics · Mathematics 2019-09-19 Yehonatan Salman

For Reeb vector fields on closed 3-manifolds, cylindrical contact homology is used to show that the existence of a set of closed Reeb orbit with certain knotting/linking properties implies the existence of other Reeb orbits with other…

Symplectic Geometry · Mathematics 2015-03-17 Al Momin

Mach-cone shock waves were proposed to explain the broad and perhaps double-peaked away-side 2-particle jet-correlations at RHIC; however, other mechanisms cannot be ruled out. Three-particle jet-correlation is needed in order to…

Nuclear Experiment · Physics 2008-11-26 Fuqiang Wang