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The Minkowski product of unit quaternion sets is introduced and analyzed, motivated by the desire to characterize the overall variation of compounded spatial rotations that result from individual rotations subject to known uncertainties in…

Complex Variables · Mathematics 2019-05-29 Rida T. Farouki , Graziano Gentili , Hwan Pyo Moon , Caterina Stoppato

We suggest an approach to constructing physical systems with dynamical characteristics of the complex analytic iterative maps. The idea follows from a simple notion that the complex quadratic map by a variable change may be transformed into…

Chaotic Dynamics · Physics 2009-11-07 O. B. Isaeva , S. P. Kuznetsov , V. I. Ponomarenko

One of the fundamental properties of the Mandelbrot set is that the set of postcritically finite parameters is structured like a tree. We extend this result to the set of quadratic kneading sequences and show that this space contains no…

Dynamical Systems · Mathematics 2007-05-23 Alexandra Kaffl

The combinatorial Mandelbrot set is a continuum in the plane, whose boundary can be defined, up to a homeomorphism, as the quotient space of the unit circle by an explicit equivalence relation. This equivalence relation was described by…

Dynamical Systems · Mathematics 2022-01-28 Alexander Blokh , Lex Oversteegen , Vladlen Timorin

A topological ring R, an escape set B in R and a family of maps z^d+c defines the degree d Mandelstuff as the set of parameters for which the closure of the orbit of 0 does not intersect R. If B is the complement of a ball of radius 2 in C…

Dynamical Systems · Mathematics 2023-06-23 Oliver Knill

In this paper we introduce a new algebraic device, which enables us to treat the quaternions as though they were a commutative field. This is of interest both for its own sake, and because it can be applied to develop an "algebraic…

Differential Geometry · Mathematics 2007-05-23 Dominic Joyce

The notion of a quaternionic gerbe is presented as a new way of bundling algebraic structures over a four manifold. The structure groupoid of this fibration is described in some detail. The Euclidean conformal group R*SO(4) appears…

Differential Geometry · Mathematics 2007-05-23 Finlay Thompson

First of all, we recall the well known notion of semidirect product both for classical algebraic structures (like groups and rings) and for more recent ones (digroups, left skew braces, heaps, trusses). Then we analyse the concept of…

Rings and Algebras · Mathematics 2023-11-09 Alberto Facchini , David Stanovský

The method of direct computation of universal (fibred) product in the category of commutative associative algebras of finite type with unity over a field is given and proven. The field of coefficients is not supposed to be algebraically…

Algebraic Geometry · Mathematics 2016-07-15 Nadezda V. Timofeeva

We investigate with the help of Clifford algebraic methods the Mandelbrot set over arbitrary two-component number systems. The complex numbers are regarded as operator spinors in D\times spin(2) resp. spin(2). The thereby induced (pseudo)…

High Energy Physics - Theory · Physics 2007-05-23 Bertfried Fauser

We argue that discrete dynamics has natural links to the theory of analytic functions. Most important, bifurcations and chaotic dynamical properties are related to intersections of algebraic varieties. This paves the way to identification…

High Energy Physics - Theory · Physics 2007-05-23 V. Dolotin , A. Morozov

Quaternions were appeared through Lagrangian formulation of mechanics in Symplectic vector space. Its general form was obtained from the Clifford algebra, and Frobenius' theorem, which says that "the only finite-dimensional real division…

General Physics · Physics 2021-06-04 Sadataka Furui

Developed in a series of seminal papers in the early 2010s, the tubal tensor framework provides a clean and effective algebraic setting for tensor computations, supporting matrix-mimetic features such as a tensor Singular Value…

Numerical Analysis · Mathematics 2025-06-05 Haim Avron , Uria Mor

A model for the Mandelbrot set is due to Thurston and is stated in the language of geodesic laminations. The conjecture that the Mandelbrot set is actually homeomorphic to this model is equivalent to the celebrated MLC conjecture stating…

Dynamical Systems · Mathematics 2015-03-03 Alexander Blokh , Lex Oversteegen , Ross Ptacek , Vladlen Timorin

Direct look at the celebrated "chaotic" Mandelbrot Set in Fig..\ref{Mand2} immediately reveals that it is a collection of almost ideal circles and cardioids, unified in a specific {\it forest} structure. In /hep-th/9501235 a systematic…

High Energy Physics - Theory · Physics 2008-11-26 V. Dolotin , A. Morozov

It is often noted that many of the basic concepts of differential geometry, such as the definition of connection, are purely algebraic in nature. Here, we review and extend existing work on fully algebraic formulations of differential…

Differential Geometry · Mathematics 2025-02-03 Tobias Fritz

There is a long-standing problem of algebra to extend the symmetric monoidal structure of abelian groups, given by the tensor product, to a non abelian setting. In this paper we show that such an extension is possible. Morover our non…

Category Theory · Mathematics 2007-05-23 H. -J. Baues , M. Jibladze , T. Pirashvili

We interpret the combinatorial Mandelbrot set in terms of \it{quadratic laminations} (equivalence relations $\sim$ on the unit circle invariant under $\sigma_2$). To each lamination we associate a particular {\em geolamination} (the…

Dynamical Systems · Mathematics 2022-01-28 A. Blokh , L. Oversteegen , V. Timorin , R. Ptacek

In this article, we introduce and study the concept of $\textit{spherical-vectors}$, which can be perceived as a natural extension of the arguments of complex numbers in the context of quaternions. We initially establish foundational…

Rings and Algebras · Mathematics 2023-05-09 Lahcen Lamgouni

The study of Mandelbrot Sets (MS) is a promising new approach to the phase transition theory. We suggest two improvements which drastically simplify the construction of MS. They could be used to modify the existing computer programs so that…

Chaotic Dynamics · Physics 2008-11-26 Andrey Morozov
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