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Articoli di riviste sul tema "Mandelbrot sets"

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Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 28 gennaio 2023

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1

LIU, XIANG-DONG, ZHI-JIE LI, XUE-YE ANG e JIN-HAI ZHANG. "MANDELBROT AND JULIA SETS OF ONE-PARAMETER RATIONAL FUNCTION FAMILIES ASSOCIATED WITH NEWTON'S METHOD". Fractals 18, n. 02 (giugno 2010): 255–63. http://dx.doi.org/10.1142/s0218348x10004841.

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In this paper, general Mandelbrot and Julia sets of one-parameter rational function families associated with Newton's method were discussed. The bounds of these general Mandelbrot sets and two formulas for calculating the number of different periods periodic points of these rational functions were given. The relations between general Mandelbrot sets and common Mandelbrot sets of zn + c (n ∈ Z, n ≥ 2), along with the relations between general Mandelbrot sets and their corresponding Julia sets were investigated. Consequently, the results were found in the study: there are similarities between the Mandelbrot and Julia sets of one-parameter rational function families associated with Newton's method and the Mandelbrot and Julia sets of zn + c (n ∈ Z, n ≥ 2).

2

Jha, Ketan, e Mamta Rani. "Control of Dynamic Noise in Transcendental Julia and Mandelbrot Sets by Superior Iteration Method". International Journal of Natural Computing Research 7, n. 2 (aprile 2018): 48–59. http://dx.doi.org/10.4018/ijncr.2018040104.

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Researchers and scientists are attracted towards Julia and Mandelbrot sets constantly. They analyzed these sets intensively. Researchers have studied the perturbation in Julia and Mandelbrot sets which is due to different types of noises, but transcendental Julia and Mandelbrot sets remained ignored. The purpose of this article is to study the perturbation in transcendental Julia and Mandelbrot sets. Also, we made an attempt to control the perturbation in transcendental sets by using superior iteration method.

3

Tassaddiq, Asifa, Muhammad Tanveer, Muhammad Azhar, Waqas Nazeer e Sania Qureshi. "A Four Step Feedback Iteration and Its Applications in Fractals". Fractal and Fractional 6, n. 11 (9 novembre 2022): 662. http://dx.doi.org/10.3390/fractalfract6110662.

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Fractals play a vital role in modeling the natural environment. The present aim is to investigate the escape criterion to generate specific fractals such as Julia sets, Mandelbrot sets and Multi-corns via F-iteration using complex functions h(z)=zn+c, h(z)=sin(zn)+c and h(z)=ezn+c, n≥2,c∈C. We observed some beautiful Julia sets, Mandelbrot sets and Multi-corns for n = 2, 3 and 4. We generalize the algorithms of the Julia set and Mandelbrot set to visualize some Julia sets, Mandelbrot sets and Multi-corns. Moreover, we calculate image generation time in seconds at different values of input parameters.

4

KOZMA, ROBERT T., e ROBERT L. DEVANEY. "Julia sets converging to filled quadratic Julia sets". Ergodic Theory and Dynamical Systems 34, n. 1 (21 agosto 2012): 171–84. http://dx.doi.org/10.1017/etds.2012.115.

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AbstractIn this paper we consider singular perturbations of the quadratic polynomial $F(z) = z^2 + c$ where $c$ is the center of a hyperbolic component of the Mandelbrot set, i.e., rational maps of the form $z^2 + c + \lambda /z^2$. We show that, as $\lambda \rightarrow 0$, the Julia sets of these maps converge in the Hausdorff topology to the filled Julia set of the quadratic map $z^2 + c$. When $c$ lies in a hyperbolic component of the Mandelbrot set but not at its center, the situation is much simpler and the Julia sets do not converge to the filled Julia set of $z^2 + c$.

5

Yan, De Jun, Xiao Dan Wei, Hong Peng Zhang, Nan Jiang e Xiang Dong Liu. "Fractal Structures of General Mandelbrot Sets and Julia Sets Generated from Complex Non-Analytic Iteration F_m(z)=z¯^m+c". Applied Mechanics and Materials 347-350 (agosto 2013): 3019–23. http://dx.doi.org/10.4028/www.scientific.net/amm.347-350.3019.

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In this paper we use the same idea as the complex analytic dynamics to study general Mandelbrot sets and Julia sets generated from the complex non-analytic iteration . The definition of the general critical point is given, which is of vital importance to the complex non-analytic dynamics. The general Mandelbrot set is proved to be bounded, axial symmetry by real axis, and have (m+1)-fold rotational symmetry. The stability condition of periodic orbits and the boundary curve of stability region of one-cycle are given. And the general Mandelbrot sets are constructed by the escape-time method and the periodic scanning algorithm, which present a better understanding of the structure of the Mandelbrot sets. The filled-in Julia sets Km,c have m-fold structures. Similar to the complex analytic dynamics, the general Mandelbrot sets are kinds of mathematical dictionary or atlas that map out the behavior of the filled-in Julia sets for different values of c.

6

Kauko, Virpi. "Shadow trees of Mandelbrot sets". Fundamenta Mathematicae 180, n. 1 (2003): 35–87. http://dx.doi.org/10.4064/fm180-1-4.

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7

Sun, Y. Y., e X. Y. Wang. "Noise-perturbed quaternionic Mandelbrot sets". International Journal of Computer Mathematics 86, n. 12 (dicembre 2009): 2008–28. http://dx.doi.org/10.1080/00207160903131228.

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8

Wang, Xingyuan, Zhen Wang, Yahui Lang e Zhenfeng Zhang. "Noise perturbed generalized Mandelbrot sets". Journal of Mathematical Analysis and Applications 347, n. 1 (novembre 2008): 179–87. http://dx.doi.org/10.1016/j.jmaa.2008.04.032.

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9

Sekovanov, Valeriy S., Larisa B. Rybina e Kseniya Yu Strunkina. "The study of the frames of Mandelbrot sets of polynomials of the second degree as a means of developing the originality of students' thinking". Vestnik Kostroma State University. Series: Pedagogy. Psychology. Sociokinetics, n. 4 (2019): 193–99. http://dx.doi.org/10.34216/2073-1426-2019-25-4-193-199.

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The article presents a methodology for studying the frames of Mandelbrot sets of polynomials of the second degree of a complex variable, based on the integration of analytical methods, mathematical programming and the use of computer graphics. A connection is established between the frames of the first and second orders of Mandelbrot sets of functions and with the curves – cardioid, lemniscate and circle. Algorithms for constructing the frames of the Mandelbrot sets of the functions under consideration in the MathCad mathematical package are presented. The task is to describe 3-order frames (where) of the Mandelbrot sets of functions and, which correspond to the existence of attracting fixed points of period 3. It is shown that the establishment of associative relations between classes of various mathematical objects (polynomials of a complex variable, curves, Mandelbrot sets) contributes to the development of original thinking and creative potential of students.

10

Wang, Feng Ying, Li Ming Du e Zi Yang Han. "The Construction for Generalized Mandelbrot Sets of the Frieze Group". Advanced Materials Research 756-759 (settembre 2013): 2562–66. http://dx.doi.org/10.4028/www.scientific.net/amr.756-759.2562.

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By an analysis of symmetric features of equivalent mappings of the frieze group, a definition of their generalized Mandelbrot sets is given and a novel method for constructing generalized Mandelbrot sets of equivalent mappings of frieze group is presented via utilizing the Ljapunov exponent as the judgment standard. Based on generating parameter space of dynamical system, lots of patterns of generalized Mandelbrot sets are produced.

11

Ashish, Mamta Rani e Renu Chugh. "Julia sets and Mandelbrot sets in Noor orbit". Applied Mathematics and Computation 228 (febbraio 2014): 615–31. http://dx.doi.org/10.1016/j.amc.2013.11.077.

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12

CHEN, YI-CHIUAN, TOMOKI KAWAHIRA, HUA-LUN LI e JUAN-MING YUAN. "FAMILY OF INVARIANT CANTOR SETS AS ORBITS OF DIFFERENTIAL EQUATIONS II: JULIA SETS". International Journal of Bifurcation and Chaos 21, n. 01 (gennaio 2011): 77–99. http://dx.doi.org/10.1142/s0218127411028295.

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The Julia set of the quadratic map fμ(z) = μz(1 - z) for μ not belonging to the Mandelbrot set is hyperbolic, thus varies continuously. It follows that a continuous curve in the exterior of the Mandelbrot set induces a continuous family of Julia sets. The focus of this article is to show that this family can be obtained explicitly by solving the initial value problem of a system of infinitely coupled differential equations. A key point is that the required initial values can be obtained from the anti-integrable limit μ → ∞. The system of infinitely coupled differential equations reduces to a finitely coupled one if we are only concerned with some invariant finite subset of the Julia set. Therefore, it can be employed to find periodic orbits as well. We conduct numerical approximations to the Julia sets when parameter μ is located at the Misiurewicz points with external angle 1/2, 1/6, or 5/12. We approximate these Julia sets by their invariant finite subsets that are integrated along the reciprocal of corresponding external rays of the Mandelbrot set starting from the anti-integrable limit μ = ∞. When μ is at the Misiurewicz point of angle 1/128, a 98-period orbit of prescribed itinerary obtained by this method is presented, without having to find a root of a 298-degree polynomial. The Julia sets (or their subsets) obtained are independent of integral curves, but in order to make sure that the integral curves are contained in the exterior of the Mandelbrot set, we use the external rays of the Mandelbrot set as integral curves. Two ways of obtaining the external rays are discussed, one based on the series expansion (the Jungreis–Ewing–Schober algorithm), the other based on Newton's method (the OTIS algorithm). We establish tables comparing the values of some Misiurewicz points of small denominators obtained by these two algorithms with the theoretical values.

13

Jha, Ketan, e Mamta Rani. "Estimation of Dynamic Noise in Mandelbrot Map". International Journal of Artificial Life Research 7, n. 2 (luglio 2017): 1–20. http://dx.doi.org/10.4018/ijalr.2017070101.

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Julia and Mandelbrot sets have been studied continuously attracting fractal scientists since their creation. As a result, Julia and Mandelbrot sets have been analyzed intensively. In this article, researchers have studied the effect of noise on these sets and analyzed perturbation. Continuing the trend in this article, they analyze perturbation and find the corresponding amount of dynamic noise in the Mandelbrot map. Further, in order to recover a distorted fractal image, a restoration algorithm is presented.

14

Mork, Leah K., e Darin J. Ulness. "Visualization of Mandelbrot and Julia Sets of Möbius Transformations". Fractal and Fractional 5, n. 3 (17 luglio 2021): 73. http://dx.doi.org/10.3390/fractalfract5030073.

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This work reports on a study of the Mandelbrot set and Julia set for a generalization of the well-explored function η(z)=z2+λ. The generalization consists of composing with a fixed Möbius transformation at each iteration step. In particular, affine and inverse Möbius transformations are explored. This work offers a new way of visualizing the Mandelbrot and filled-in Julia sets. An interesting and unexpected appearance of hyperbolic triangles occurs in the structure of the Mandelbrot sets for the case of inverse Möbius transforms. Several lemmas and theorems associated with these types of fractal sets are presented.

15

DOLOTIN, V., e A. MOROZOV. "ON THE SHAPES OF ELEMENTARY DOMAINS OR WHY MANDELBROT SET IS MADE FROM ALMOST IDEAL CIRCLES?" International Journal of Modern Physics A 23, n. 22 (10 settembre 2008): 3613–84. http://dx.doi.org/10.1142/s0217751x08040330.

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Abstract (sommario):

Direct look at the celebrated "chaotic" Mandelbrot Set (in Fig. 1) immediately reveals that it is a collection of almost ideal circles and cardioids, unified in a specific forest structure. In the paper arXiv:hep-th/0501235, a systematic algebro-geometric approach was developed to the study of generic Mandelbrot sets, but emergency of nearly ideal circles in the special case of the family x2 + c was not fully explained. In the present, paper, the shape of the elementary constituents of Mandelbrot Set is explicitly calculated, and difference between the shapes of root and descendant domains (cardioids and circles respectively) is explained. Such qualitative difference persists for all other Mandelbrot sets: descendant domains always have one less cusp than the root ones. Details of the phase transition between different Mandelbrot sets are explicitly demonstrated, including overlaps between elementary domains and dynamics of attraction/repulsion regions. Explicit examples of three-dimensional sections of Universal Mandelbrot Set are given. Also a systematic small-size approximation is developed for evaluation of various Feigenbaum indices.

16

WANG, XING-YUAN, QING-YONG LIANG e JUAN MENG. "CHAOS AND FRACTALS IN C–K MAP". International Journal of Modern Physics C 19, n. 09 (settembre 2008): 1389–409. http://dx.doi.org/10.1142/s0129183108012935.

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The characteristic of the fixed points of the Carotid–Kundalini (C–K) map is investigated and the boundary equation of the first bifurcation of the C–K map in the parameter plane is given. Based on the studies of the phase graph, the power spectrum, the correlation dimension and the Lyapunov exponents, the paper reveals the general features of the C–K map transforming from regularity. Meanwhile, using the periodic scanning technology proposed by Welstead and Cromer, a series of Mandelbrot–Julia (M–J) sets of the complex C–K map are constructed. The symmetry of M–J set and the topological inflexibility of distributing of periodic region in the Mandelbrot set are investigated. By founding the whole portray of Julia sets based on Mandelbrot set qualitatively, we find out that Mandelbrot sets contain abundant information of structure of Julia sets.

17

LIAW, SY-SANG. "FIND THE MANDELBROT-LIKE SETS IN ANY MAPPING". Fractals 10, n. 02 (giugno 2002): 137–46. http://dx.doi.org/10.1142/s0218348x02001282.

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Abstract (sommario):

The Mandelbrot-like sets appear in the parameter spaces of many one-parameter complex mappings. We find that the type of these sets depends on the multiplicity of the critical points of the mappings. We give the effective map for parameters in these sets, and accordingly calculate the positions, the sizes, and the orientations of these Mandelbrot-like sets for any one-parameter complex mappings.

18

YAN, DEJUN, XIANGDONG LIU e WEIYONG ZHU. "A STUDY OF MANDELBROT AND JULIA SETS GENERATED FROM A GENERAL COMPLEX CUBIC ITERATION". Fractals 07, n. 04 (dicembre 1999): 433–37. http://dx.doi.org/10.1142/s0218348x99000438.

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The structures of Mandelbrot and Julia sets generated from a general complex cubic iteration are studied, and the relation of the critical points and Julia sets is analyzed. In this paper, we put forward the theorems on the range of the Mandelbrot and Julia sets generated from a general complex cubic iteration. These theorems are important for plotting of the sets.

19

Bandt, Christoph, e Nguyen Viet Hung. "Fractaln-gons and their Mandelbrot sets". Nonlinearity 21, n. 11 (10 ottobre 2008): 2653–70. http://dx.doi.org/10.1088/0951-7715/21/11/009.

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20

SHIAH, AICHYUN, KIM-KHOON ONG e ZDZISLAW E. MUSIELAK. "FRACTAL IMAGES OF GENERALIZED MANDELBROT SETS". Fractals 02, n. 01 (marzo 1994): 111–21. http://dx.doi.org/10.1142/s0218348x94000107.

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The transformation function z ← zα+βi+c, with both α and β being either positive or negative integers or real numbers, is used to generate families of mostly new fractal images in the complex plane [Formula: see text]. The calculations are restricted to the principal value of zα+βi and the obtained fractal images are called the generalized Mandelbrot sets, ℳ (α, β). Three general classes of ℳ (α, β) are considered: (1) α ≠ 0 and β = 0; (2) α ≠ 0 and β ≠ 0; and (3) α = 0 and β ≠ 0. Our results demonstrate that the shapes of fractal images representing ℳ (α, 0) are usually significantly deformed when β ≠ 0, and that the size of either stable (α > 0) or unstable (α < 0) regions in the complex plane may increase as a result of non-zero β. It is also shown that fractal images of the generalized Mandelbrot sets ℳ (0, β) are significantly different than those obtained with a non-zero α.

21

Pickover, Clifford A. "A note on inverted mandelbrot sets". Visual Computer 6, n. 4 (luglio 1990): 227–29. http://dx.doi.org/10.1007/bf02341047.

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22

Zhang, Yongping, e Weihua Sun. "Synchronization and coupling of Mandelbrot sets". Nonlinear Dynamics 64, n. 1-2 (9 ottobre 2010): 59–63. http://dx.doi.org/10.1007/s11071-010-9845-9.

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23

Wang, Xing-yuan, Pei-jun Chang e Ni-ni Gu. "Additive perturbed generalized Mandelbrot–Julia sets". Applied Mathematics and Computation 189, n. 1 (giugno 2007): 754–65. http://dx.doi.org/10.1016/j.amc.2006.11.137.

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24

BUCHANAN, WALTER, JAGANNATHAN GOMATAM e BONNIE STEVES. "GENERALIZED MANDELBROT SETS FOR MEROMORPHIC COMPLEX AND QUATERNIONIC MAPS". International Journal of Bifurcation and Chaos 12, n. 08 (agosto 2002): 1755–77. http://dx.doi.org/10.1142/s0218127402005443.

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The concepts of the Mandelbrot set and the definition of the stability regions of cycles for rational maps require careful investigation. The standard definition of the Mandelbrot set for the map f : z → z2+ c (the set of c values for which the iteration of the critical point at 0 remains bounded) is inappropriate for meromorphic maps such as the inverse square map. The notion of cycle sets, introduced by Brooks and Matelski [1978] for the quadratic map and applied to meromorphic maps by Yin [1994], facilitates a precise definition of the Mandelbrot parameter space for these maps. Close scrutiny of the cycle sets of these maps reveals generic fractal structures, echoing many of the features of the Mandelbrot set. Computer representations confirm these features and allow the dynamical comparison with the Mandelbrot set. In the parameter space, a purely algebraic result locates the stability regions of the cycles as the zeros of characteristic polynomials. These maps are generalized to quaternions. The powerful theoretical support that exists for complex maps is not generally available for quaternions. However, it is possible to construct and analyze cycle sets for a class of quaternionic rational maps (QRM). Three-dimensional sections of the cycle sets of QRM are nontrivial extensions of the cycle sets of complex maps, while sharing many of their features.

25

Abbas, Mujahid, Hira Iqbal e Manuel De la Sen. "Generation of Julia and Mandelbrot Sets via Fixed Points". Symmetry 12, n. 1 (2 gennaio 2020): 86. http://dx.doi.org/10.3390/sym12010086.

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The aim of this paper is to present an application of a fixed point iterative process in generation of fractals namely Julia and Mandelbrot sets for the complex polynomials of the form T ( x ) = x n + m x + r where m , r ∈ C and n ≥ 2 . Fractals represent the phenomena of expanding or unfolding symmetries which exhibit similar patterns displayed at every scale. We prove some escape time results for the generation of Julia and Mandelbrot sets using a Picard Ishikawa type iterative process. A visualization of the Julia and Mandelbrot sets for certain complex polynomials is presented and their graphical behaviour is examined. We also discuss the effects of parameters on the color variation and shape of fractals.

26

Zou, Cui, Abdul Aziz Shahid, Asifa Tassaddiq, Arshad Khan e Maqbool Ahmad. "Mandelbrot Sets and Julia Sets in Picard-Mann Orbit". IEEE Access 8 (2020): 64411–21. http://dx.doi.org/10.1109/access.2020.2984689.

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Farris, Salma M. "Generalized Mandelbrot Sets of a Family of Polynomials P n z = z n + z + c ; n ≥ 2". International Journal of Mathematics and Mathematical Sciences 2022 (22 febbraio 2022): 1–9. http://dx.doi.org/10.1155/2022/4510088.

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In this paper, we study the general Mandelbrot set of the family of polynomials P n z = z n + z + c ; n ≥ 2 , denoted by GM( P n ). We construct the general Mandelbrot set for these polynomials by the escaping method. We determine the boundaries, areas, fractals, and symmetry of the previous polynomials. On the other hand, we study some topological properties of GM P n . We prove that GM P n is bounded and closed; hence, it is compact. Also, we characterize the general Mandelbrot set as a union of basins of attraction. Finally, we make a comparison between the properties of famous Mandelbrot set M z 2 + c and our general Mandelbrot sets.

28

Wang, Feng Ying, Li Ming Du e Zi Yang Han. "Two Partitioning Algorithms for Generating of M Sets of the Frieze Group". Applied Mechanics and Materials 336-338 (luglio 2013): 2238–41. http://dx.doi.org/10.4028/www.scientific.net/amm.336-338.2238.

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Symmetric features of the frieze group equivalent mappings were analysed, and two partitioning algorithms are given for constructing generalized Mandelbrot sets of frieze group equivalent mappings in order to study the characteristics of generalized Msets. Based on generating parameter space of dynamical system, lots of patterns of generalized Mandelbrot sets are produced.

29

Cai, Zong Wen, e Artde D. Kin Tak Lam. "A Study on Mandelbrot Sets to Generate Visual Aesthetic Fractal Patterns". Applied Mechanics and Materials 311 (febbraio 2013): 111–16. http://dx.doi.org/10.4028/www.scientific.net/amm.311.111.

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The fractal pattern is a highly visual aesthetic image. This article describes the generation method of Mandelbrot set to generate fractal art patterns. Based on the escape time algorithm on complex plane, the visual aesthetic fractal patterns are generated from Mandelbrot sets. The generated program development, a pictorial information system, is integrated through the application of Visual Basic programming language and development integration environment. Application of the development program, this article analyzes the shape of the fractal patterns generated by the different power orders of the Mandelbrot sets. Finally, the escape time algorithm has been proposed as the generation tools of highly visual aesthetic fractal patterns.

30

WANG, XINGYUAN, QINGYONG LIANG e JUAN MENG. "DYNAMIC ANALYSIS OF THE CAROTID–KUNDALINI MAP". Modern Physics Letters B 22, n. 04 (10 febbraio 2008): 243–62. http://dx.doi.org/10.1142/s0217984908014717.

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The nature of the fixed points of the Carotid–Kundalini (C–K) map was studied and the boundary equation of the first bifurcation of the C–K map in the parameter plane is presented. Using the quantitative criterion and rule of chaotic system, the paper reveals the general features of the C–K Map transforming from regularity to chaos. The following conclusions are obtained: (i) chaotic patterns of the C–K map may emerge out of double-periodic bifurcation; (ii) the chaotic crisis phenomena are found. At the same time, the authors analyzed the orbit of critical point of the complex C–K Map and put forward the definition of Mandelbrot–Julia set of the complex C–K Map. The authors generalized the Welstead and Cromer's periodic scanning technique and using this technology constructed a series of the Mandelbrot–Julia sets of the complex C–K Map. Based on the experimental mathematics method of combining the theory of analytic function of one complex variable with computer aided drawing, we investigated the symmetry of the Mandelbrot–Julia set and studied the topological inflexibility of distribution of the periodic region in the Mandelbrot set, and found that the Mandelbrot set contains abundant information of the structure of Julia sets by finding the whole portray of Julia sets based on Mandelbrot set qualitatively.

31

PEHERSTORFER, FRANZ, e CHRISTOPH STROH. "JULIA AND MANDELBROT SETS OF CHEBYSHEV FAMILIES". International Journal of Bifurcation and Chaos 11, n. 09 (settembre 2001): 2463–81. http://dx.doi.org/10.1142/s0218127401003577.

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We present one-parameter families of rational functions of arbitrary degree d which are globally generalized polynomial-like of degree d and roughly speaking locally quadratic-like everywhere, where the parameter appears not only as a purely multiplicative factor but also in a more complicated nonlinear way. The connectedness locus of these families contains homeomorphic copies of the Mandelbrot set. Main emphasis is put on the explicit construction (and not as usual on the existence only) of the sets on which generalized polynomial-likeness and quadratic-likeness are given as well as on the explicit description of the regions where the homeomorphic copies of the Mandelbrot set are located.

32

Kang, Shinmin, Arif Rafiq, Abdul Latif, Abdul Shahid e Faisal Alif. "Fractals through modified iteration scheme". Filomat 30, n. 11 (2016): 3033–46. http://dx.doi.org/10.2298/fil1611033k.

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In this paper we study the geometry of relative superior Mandelbrot sets through S-iteration scheme. Our results are quit significant from other Mandelbrot sets existing in the literature. Besides this, we also observe that S-iteration scheme converges faster than Ishikawa iteration scheme. We believe that the results of this paper can be inspired thosewho are interested in creating automatically aesthetic patterns.

33

Cheng, Jin, e Jian-rong Tan. "Generalization of 3D Mandelbrot and Julia sets". Journal of Zhejiang University-SCIENCE A 8, n. 1 (gennaio 2007): 134–41. http://dx.doi.org/10.1631/jzus.2007.a0134.

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Qi, Hengxiao, Muhammad Tanveer, Muhammad Shoaib Saleem e Yuming Chu. "Anti Mandelbrot Sets via Jungck-M Iteration". IEEE Access 8 (2020): 194663–75. http://dx.doi.org/10.1109/access.2020.3033733.

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35

Álvarez, G., M. Romera, G. Pastor e F. Montoya. "Determination of Mandelbrot Sets Hyperbolic Component Centres". Chaos, Solitons & Fractals 9, n. 12 (dicembre 1998): 1997–2005. http://dx.doi.org/10.1016/s0960-0779(98)00046-0.

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36

Beck, Christian. "Physical meaning for Mandelbrot and Julia sets". Physica D: Nonlinear Phenomena 125, n. 3-4 (gennaio 1999): 171–82. http://dx.doi.org/10.1016/s0167-2789(98)00243-7.

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37

Agarwal, Rashi, e Vishal Agarwal. "Dynamic noise perturbed generalized superior Mandelbrot sets". Nonlinear Dynamics 67, n. 3 (13 luglio 2011): 1883–91. http://dx.doi.org/10.1007/s11071-011-0115-2.

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38

Zhang, Yong-Ping. "Feedback control and synchronization of Mandelbrot sets". Chinese Physics B 22, n. 1 (gennaio 2013): 010502. http://dx.doi.org/10.1088/1674-1056/22/1/010502.

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39

Endler, Antonio, e Paulo C. Rech. "From Mandelbrot-like sets to Arnold tongues". Applied Mathematics and Computation 222 (ottobre 2013): 559–63. http://dx.doi.org/10.1016/j.amc.2013.08.001.

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40

Blankers, Vance, Tristan Rendfrey, Aaron Shukert e Patrick Shipman. "Julia and Mandelbrot Sets for Dynamics over the Hyperbolic Numbers". Fractal and Fractional 3, n. 1 (20 febbraio 2019): 6. http://dx.doi.org/10.3390/fractalfract3010006.

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Abstract (sommario):

Julia and Mandelbrot sets, which characterize bounded orbits in dynamical systems over the complex numbers, are classic examples of fractal sets. We investigate the analogs of these sets for dynamical systems over the hyperbolic numbers. Hyperbolic numbers, which have the form x + τ y for x , y ∈ R , and τ 2 = 1 but τ ≠ ± 1 , are the natural number system in which to encode geometric properties of the Minkowski space R 1 , 1 . We show that the hyperbolic analog of the Mandelbrot set parameterizes the connectedness of hyperbolic Julia sets. We give a wall-and-chamber decomposition of the hyperbolic plane in terms of these Julia sets.

41

Romera, M., G. Pastor, A. B. Orue, D. Arroyo e F. Montoya. "Coupling Patterns of External Arguments in the Multiple-Spiral Medallions of the Mandelbrot Set". Discrete Dynamics in Nature and Society 2009 (2009): 1–14. http://dx.doi.org/10.1155/2009/135637.

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Abstract (sommario):

The multiple-spiral medallions are beautiful decorations situated in the proximity of the small copies of the Mandelbrot set. They are composed by an infinity of babies Mandelbrot sets that have external arguments with known structure. In this paper we study the coupling patterns of the external arguments of the baby Mandelbrot sets in multiple-spiral medallions, that is, how these external arguments are grouped in pairs. Based on our experimental data, we obtain that the canonical nonspiral medallions have a nested pairs pattern, the canonical single-spiral medallions have an adjacent pairs pattern, and we conjecture that the canonical double, triple, quadruple-spiral medallions have a 1-nested/adjacent pairs pattern.

42

WANG, XING-YUAN, e LI-NA GU. "RESEARCH FRACTAL STRUCTURES OF GENERALIZED M-J SETS USING THREE ALGORITHMS". Fractals 16, n. 01 (marzo 2008): 79–88. http://dx.doi.org/10.1142/s0218348x08003764.

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Abstract (sommario):

Extreme modulus escaping time algorithm, decomposition algorithm and fisheye algorithm are analyzed in this thesis, and we construct a series of generalized Mandelbrot-Julia (M-J) sets using these three algorithms. By studying the structural character of generalized M-J sets, we find: (1) extreme modulus escaping time algorithm and decomposition algorithm are simple modifications of classic escaping time algorithm, they can both construct the structure of non-boundary areas of generalized M-J sets; (2) non-boundary areas of generalized M-J sets have fractal characters; (3) generalized M-J sets have symmetry, and the process of evolvement depends on range of phase angle; (4) we can observe not only the whole structure of generalized Mandelbrot sets but also the details of some parts by using fisheye algorithm.

43

Mork, L. K., Trenton Vogt, Keith Sullivan, Drew Rutherford e Darin J. Ulness. "Exploration of Filled-In Julia Sets Arising from Centered Polygonal Lacunary Functions". Fractal and Fractional 3, n. 3 (12 luglio 2019): 42. http://dx.doi.org/10.3390/fractalfract3030042.

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Abstract (sommario):

Centered polygonal lacunary functions are a particular type of lacunary function that exhibit properties which set them apart from other lacunary functions. Primarily, centered polygonal lacunary functions have true rotational symmetry. This rotational symmetry is visually seen in the corresponding Julia and Mandelbrot sets. The features and characteristics of these related Julia and Mandelbrot sets are discussed and the parameter space, made with a phase rotation and offset shift, is intricately explored. Also studied in this work is the iterative dynamical map, its characteristics and its fixed points.

44

ROCHON, DOMINIC. "A GENERALIZED MANDELBROT SET FOR BICOMPLEX NUMBERS". Fractals 08, n. 04 (dicembre 2000): 355–68. http://dx.doi.org/10.1142/s0218348x0000041x.

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Abstract (sommario):

We use a commutative generalization of complex numbers called bicomplex numbers to introduce bicomplex dynamics. In particular, we give a generalization of the Mandelbrot set and of the "filled-Julia" sets in dimensions three and four. Also, we establish that our version of the Mandelbrot set with quadratic polynomial in bicomplex numbers of the form w2 + c is identically the set of points where the associated generalized "filled-Julia" set is connected. Moreover, we prove that our generalized Mandelbrot set of dimension four is connected.

45

Chandra, Joshi, Mamta Rani e Naveen Chandra. "Transcendental Picard-Mann hybrid Julia and Mandelbrot sets". Mathematica Moravica 23, n. 1 (2019): 41–49. http://dx.doi.org/10.5937/matmor1901041j.

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46

Lei, Tan. "Similarity between the Mandelbrot set and Julia sets". Communications in Mathematical Physics 134, n. 3 (dicembre 1990): 587–617. http://dx.doi.org/10.1007/bf02098448.

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47

Graczyk, Jacek, e Grzegorz Świa̧tek. "Asymptotically conformal similarity between Julia and Mandelbrot sets". Comptes Rendus Mathematique 349, n. 5-6 (marzo 2011): 309–14. http://dx.doi.org/10.1016/j.crma.2011.01.010.

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48

Andreadis, Ioannis, e Theodoros E. Karakasidis. "On a topological closeness of perturbed Mandelbrot sets". Applied Mathematics and Computation 215, n. 10 (gennaio 2010): 3674–83. http://dx.doi.org/10.1016/j.amc.2009.11.006.

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49

Shahid, Abdul Aziz, Waqas Nazeer e Krzysztof Gdawiec. "The Picard–Mann iteration with s-convexity in the generation of Mandelbrot and Julia sets". Monatshefte für Mathematik 195, n. 4 (1 luglio 2021): 565–84. http://dx.doi.org/10.1007/s00605-021-01591-z.

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Abstract (sommario):

AbstractIn recent years, researchers have studied the use of different iteration processes from fixed point theory in the generation of complex fractals. For instance, the Mann, Ishikawa, Noor, Jungck–Mann and Jungck–Ishikawa iterations have been used. In this paper, we study the use of the Picard–Mann iteration with s-convexity in the generation of Mandelbrot and Julia sets. We prove the escape criterion for the $$(k+1)$$ ( k + 1 ) st degree complex polynomial. Moreover, we present some graphical and numerical examples regarding Mandelbrot and Julia sets generated using the proposed iteration.

50

Ojha, D. B., Ms Shree, A. Dwivedi e A. Mishra. "An approach for Embedding Elliptic Curve in Fractal Based Digital Signature Scheme". Journal of Scientific Research 3, n. 1 (19 dicembre 2010): 75. http://dx.doi.org/10.3329/jsr.v3i1.4694.

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Abstract (sommario):

We established a new approach for cryptographic digital signature scheme based on Mandelbrot and Julia fractal sets. We have embedded the features of ECC (elliptic curve cryptography) to the digital signature scheme based on Mandelbrot and Julia fractal sets. We offered a digital signature that has advantages of both the fractal based digital signature as well as of elliptic curve digital signature.Keywords: Fractal; ECC; Digital signature.© 2011 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights reserved.doi:10.3329/jsr.v3i1.4694 J. Sci. Res. 3 (1), 75-79 (2011)