Skip to Content
You are currently on the new version of our website. Access the old version .

4,297 Results Found

  • Review
  • Open Access
63 Citations
16,481 Views
35 Pages

Fractals: An Eclectic Survey, Part-I

  • Akhlaq Husain,
  • Manikyala Navaneeth Nanda,
  • Movva Sitaram Chowdary and
  • Mohammad Sajid

Fractals are geometric shapes and patterns that may repeat their geometry at smaller or larger scales. It is well established that fractals can describe shapes and surfaces that cannot be represented by the classical Euclidean geometry. An eclectic s...

(This article belongs to the Section Geometry)
  • Review
  • Open Access
51 Citations
10,277 Views
38 Pages

Fractals: An Eclectic Survey, Part II

  • Akhlaq Husain,
  • Manikyala Navaneeth Nanda,
  • Movva Sitaram Chowdary and
  • Mohammad Sajid

Fractals are geometric shapes and patterns that can describe the roughness (or irregularity) present in almost every object in nature. Many fractals may repeat their geometry at smaller or larger scales. This paper is the second (and last) part of a...

  • Article
  • Open Access
13 Citations
5,519 Views
10 Pages

Fractals with different levels of self-similarity and magnification are defined as reduced fractals. It is shown that spectra of these reduced fractals can be constructed and used to describe levels of complexity of natural phenomena. Specific applic...

(This article belongs to the Special Issue Women’s Special Issue Series: Fractal and Fractional)
  • Article
  • Open Access
2 Citations
3,458 Views
12 Pages

1 June 2019

The relatively high abundance of fractal properties of complex systems on Earth and in space is considered an argument in support of the general relativity of the geometric theory of gravity. The fractality may be called the fractal symmetry of physi...

(This article belongs to the Special Issue Symmetries in the Universe)
  • Article
  • Open Access
29 Citations
13,170 Views
17 Pages

Relationship between Fractal Dimension and Spectral Scaling Decay Rate in Computer-Generated Fractals

  • Alexander J. Bies,
  • Cooper R. Boydston,
  • Richard P. Taylor and
  • Margaret E. Sereno

19 July 2016

Two measures are commonly used to describe scale-invariant complexity in images: fractal dimension (D) and power spectrum decay rate (β). Although a relationship between these measures has been derived mathematically, empirical validation across meas...

(This article belongs to the Special Issue Symmetry in Vision)
  • Article
  • Open Access
1,425 Views
51 Pages

Complex fractal dimensions, defined as poles of appropriate fractal zeta functions, describe the geometric oscillations in fractal sets. In this work, we show that the same possible complex dimensions in the geometric setting also govern the asymptot...

(This article belongs to the Special Issue Fractal Dimensions with Applications in the Real World)
  • Article
  • Open Access
1 Citations
3,394 Views
11 Pages

24 February 2022

In this paper, we present a second partial solution for the problem of cardinality calculation of the set of fractals for its subcategory of the random virtual ones. Consistent with the deterministic case, we show that for the given quantities of the...

(This article belongs to the Special Issue Advances in Fractals)
  • Article
  • Open Access
7 Citations
6,431 Views
9 Pages

1 July 2021

How many fractals exist in nature or the virtual world? In this paper, we partially answer the second question using Mandelbrot’s fundamental definition of fractals and their quantities of the Hausdorff dimension and Lebesgue measure. We prove the ex...

(This article belongs to the Special Issue Advances in Fractals)
  • Article
  • Open Access
8 Citations
5,567 Views
12 Pages

The structure of fractals at nano and micro scales is decisive for their physical properties. Generally, statistically self-similar (random) fractals occur in natural systems, and exactly self-similar (deterministic) fractals are artificially created...

(This article belongs to the Special Issue Synthesis and Characterization of Nanostructured Templated Materials)
  • Review
  • Open Access
3 Citations
2,768 Views
15 Pages

Fractals for the Sustainable Design of Engineered Particulate Systems

  • Arya Assadi-Langroudi,
  • Hassan Abdalla and
  • Soheil Ghadr

14 June 2022

The engineering properties of particulate materials are the collective manifestation of interactions among their constituent particles and are structures within which particles adopt their spatial arrangement. For the first time in the literature, th...

(This article belongs to the Collection Sustainability and Engineering Design)
  • Article
  • Open Access
4,071 Views
8 Pages

Fractals Generated via Numerical Iteration Method

  • Wadia Faid Hassan Al-shameri and
  • Mohamed El Sayed

In this research article, a modified algorithm for the generation of a fractal pattern resulting from the iteration of an algebraic function using the numerical iteration method is presented. This fractal pattern shows the dynamical behavior of the n...

(This article belongs to the Special Issue Fractional-Order Chaotic System: Control and Synchronization)
  • Article
  • Open Access
2 Citations
1,124 Views
20 Pages

Given a finite set of interpolation data {(xi,yi)∈I×R,i=0,1,…,N}, I=[x0,xN], we construct a class of nonlinear fractal interpolation functions whose graphs are realized as attractors of appropriately defined iterated function system...

(This article belongs to the Section Geometry)
  • Article
  • Open Access
7 Citations
2,931 Views
10 Pages

This paper explores the generalization of the fixed-point theorem for Fisher contraction on controlled metric space. The controlled metric space and Fisher contractions are playing a very crucial role in this research. The Fisher contraction on the c...

(This article belongs to the Section General Mathematics, Analysis)
  • Feature Paper
  • Article
  • Open Access
2,235 Views
25 Pages

26 October 2025

This paper analyzes the extreme limit of iterated function systems (IFSs) when the number of contractions drops to one and the resulting attractors reduce to a single point. While classical fractals have a strictly positive fractal dimension, the deg...

(This article belongs to the Section E2: Control Theory and Mechanics)
  • Article
  • Open Access
178 Views
25 Pages

Procedural Fractals as Multi-Scale Targets for Evaluating Rasterization Fidelity

  • Nikolina Stanić Loknar,
  • Tajana Koren Ivančević and
  • Ana Agić Cmrk

22 October 2026

Procedural fractals provide reproducible multi-scale structures that can serve as controlled targets for evaluating resolution-dependent changes introduced during rasterization. This study investigated the effects of rasterization resolution on geome...

(This article belongs to the Section Computational Imaging and Computational Photography)
  • Article
  • Open Access
51 Citations
4,346 Views
15 Pages

Fractures caused by mining are the main form of water inrush disaster. However, the temporal and spatial development characteristics of fractures of the rock mass due to mining are not clearly understood at present. In this paper, two geometric param...

(This article belongs to the Section Engineering)
  • Article
  • Open Access
29 Citations
16,809 Views
19 Pages

Utilizing Fractals for Modeling and 3D Printing of Porous Structures

  • AMM Sharif Ullah,
  • Doriana Marilena D’Addona,
  • Yusuke Seto,
  • Shota Yonehara and
  • Akihiko Kubo

Porous structures exhibiting randomly sized and distributed pores are required in biomedical applications (producing implants), materials science (developing cermet-based materials with desired properties), engineering applications (objects having co...

(This article belongs to the Special Issue Fractal and Fractional in Cement-based Materials)
  • Article
  • Open Access
39 Citations
11,536 Views
31 Pages

1 January 2020

Small-angle scattering (SAS; X-rays, neutrons, light) is being increasingly used to better understand the structure of fractal-based materials and to describe their interaction at nano- and micro-scales. To this aim, several minimalist yet specific t...

(This article belongs to the Special Issue Symmetry and Mesoscopic Physics)
  • Article
  • Open Access
45 Citations
2,515 Views
17 Pages

Fractals of Interpolative Kannan Mappings

  • Xiangting Shi,
  • Umar Ishtiaq,
  • Muhammad Din and
  • Mohammad Akram

In 2018, Erdal Karapinar introduced the concept of interpolative Kannan operators, a novel adaptation of the Kannan mapping originally defined in 1969 by Kannan. This new mapping condition is more lenient than the basic contraction condition. In this...

  • Article
  • Open Access
6 Citations
2,468 Views
16 Pages

Mathematical Modeling of Fractals via Proximal F-Iterated Function Systems

  • Muhammad Zahid,
  • Fahim Ud Din,
  • Mudasir Younis,
  • Haroon Ahmad and
  • Mahpeyker Öztürk

19 December 2024

We propose a novel approach to fractals by leveraging the approximation of fixed points, emphasizing the deep connections between fractal theory and fixed-point theory. We include a condition of isomorphism, which not only generates traditional fract...

(This article belongs to the Special Issue New Theory and Applications of Nonlinear Analysis, Fractional Calculus and Optimization, 2nd Edition)
  • Article
  • Open Access
3 Citations
1,184 Views
19 Pages

Modeling Fractals in the Setting of Graphical Fuzzy Cone Metric Spaces

  • Ilyas Khan,
  • Fahim Ud Din,
  • Luminiţa-Ioana Cotîrlă and
  • Daniel Breaz

This study introduces a new metric structure called the Graphical Fuzzy Cone Metric Space (GFCMS) and explores its essential properties in detail. We examine its topological aspects in detail and introduce the notion of Hausdorff distance within this...

(This article belongs to the Special Issue Fractal Dimensions with Applications in the Real World)
  • Article
  • Open Access
18 Citations
8,042 Views
19 Pages

Urban Dynamics, Fractals and Generalized Entropy

  • Sara Encarnação,
  • Marcos Gaudiano,
  • Francisco C. Santos,
  • José A. Tenedório and
  • Jorge M. Pacheco

11 July 2013

We explore the relation between the local fractal dimension and the development of the built-up area of the Northern Margin of the Metropolitan Area of Lisbon (NMAL), for the period between 1960 and 2004. To this end we make use of a Generalized Loca...

(This article belongs to the Special Issue Entropy and Urban Sprawl)
  • Article
  • Open Access
5 Citations
2,144 Views
15 Pages

We introduce a mathematical framework to characterize the hierarchical complexity of AI-generated fractals within the finite resolution constraints of digital images. Our method analyzes images produced by text-to-image models at multiple intensity t...

(This article belongs to the Topic AI and Computational Methods for Modelling, Simulations and Optimizing of Advanced Systems: Innovations in Complexity)
  • Article
  • Open Access
2 Citations
3,533 Views
27 Pages

Fractals as Pre-Training Datasets for Anomaly Detection and Localization

  • Cynthia I. Ugwu,
  • Emanuele Caruso and
  • Oswald Lanz

Anomaly detection is crucial in large-scale industrial manufacturing as it helps to detect and localize defective parts. Pre-training feature extractors on large-scale datasets is a popular approach for this task. Stringent data security, privacy reg...

  • Article
  • Open Access
1 Citations
1,641 Views
14 Pages

19 December 2022

If X is a Hilbert space, one can consider the space cabv(X) of X valued measures defined on the Borel sets of a compact metric space, having a bounded variation. On this vector measures space was already introduced a Monge–Kantorovich type norm...

(This article belongs to the Special Issue Mathematics and Its Applications in Science and Engineering II)
  • Article
  • Open Access
2 Citations
2,717 Views
13 Pages

Collinear Fractals and Bandt’s Conjecture

  • Bernat Espigule,
  • David Juher and
  • Joan Saldaña

For a complex parameter c outside the unit disk and an integer n≥2, we examine the n-ary collinear fractal E(c,n), defined as the attractor of the iterated function system {fk:C⟶C}k=1n, where fk(z):=1+n−2k+c−1z. We investigate some topological featur...

(This article belongs to the Section Geometry)
  • Article
  • Open Access
3 Citations
2,483 Views
13 Pages

Homogeneous random fractals form a probabilistic generalisation of self-similar sets with more dependencies than in random recursive constructions. Under the Uniform Strong Open Set Condition we show that the mean D-dimensional (average) Minkowski co...

(This article belongs to the Special Issue Fractals: Geometry, Analysis and Mathematical Physics)
  • Article
  • Open Access
1 Citations
5,130 Views
13 Pages

5 November 2024

The present work introduces a new scheme of data cryptography in the context of emerging trends due to the challenge of defending critical network infrastructure against new exploit systems based on artificial intelligence or defending against quantu...

(This article belongs to the Collection Innovation in Information Security)
  • Article
  • Open Access
346 Views
33 Pages

2 October 2026

Lorenz curves are a socioeconomic method of coding the statistics of positive-valued random variables. Standing at the confluence of fractals, wealth distributions, and non-Euclidean geometry, this paper presents quadrant Lorenz curves (QLCs): Lorenz...

(This article belongs to the Section Statistical Physics)
  • Article
  • Open Access
14 Citations
4,696 Views
29 Pages

Escape Criteria for Generating Fractals of Complex Functions Using DK-Iterative Scheme

  • Asifa Tassaddiq,
  • Muhammad Tanveer,
  • Muhammad Azhar,
  • Muhammad Arshad and
  • Farha Lakhani

Fractals are essential in representing the natural environment due to their important characteristic of self similarity. The dynamical behavior of fractals mostly depends on escape criteria using different iterative techniques. In this article, we es...

  • Feature Paper
  • Article
  • Open Access
1 Citations
1,570 Views
15 Pages

4 July 2024

In this paper, we examine a sequence of uncountable iterated function systems (U.I.F.S.), where each term in the sequence is constructed from an uncountable collection of contraction mappings along with a linear and continuous operator. Each U.I.F.S....

(This article belongs to the Special Issue Mathematics and Its Applications in Science and Engineering, 3rd Edition)
  • Article
  • Open Access
1 Citations
436 Views
17 Pages

8 May 2026

To investigate the mechanical characteristics of gravel-block soils in the cold regions, four large direct shear tests were designed under different coarse particle contents and three dry density conditions. The stress variations during shearing and...

(This article belongs to the Special Issue Advances in Geotechnical Engineering: Stability, Mechanics, and Modeling)
  • Article
  • Open Access
9 Citations
3,265 Views
18 Pages

In this study, we delve into the general theory of operator kernel functions (OKFs) in operational calculus (OC). We established the rigorous mapping relation between the kernel function and the corresponding operator through the primary translation...

(This article belongs to the Special Issue Advances in Fractional Integral and Derivative Operators with Applications)
  • Article
  • Open Access
7 Citations
2,206 Views
31 Pages

11 October 2023

It is well established that the introduction of additive manufacturing in various domains has produced significant technological leaps due to the advantages over other manufacturing techniques. Furthermore, additive manufacturing allows the design of...

(This article belongs to the Section Additive Manufacturing Technologies)
  • Article
  • Open Access
677 Views
24 Pages

In this study, we introduce an innovative proximity-based approach to fractals using a proximal iterated function system generated by a finite set of generalized proximal contractions (Prox-GC-IFS). Thus, as a novel method to create fractals, we pres...

(This article belongs to the Special Issue Fixed Point Methods for Fractional Differential and Integral Equations)
  • Article
  • Open Access
1 Citations
1,335 Views
15 Pages

14 November 2025

Winding numbers are key indices in the depiction, modelling, and testing of dynamical processes. They capture phase progression on closed curves and are robust for quasiperiodic dynamics, but their status for chaotic Poincaré sections is uncle...

(This article belongs to the Special Issue Modelling of Nonlinear Dynamical Systems)
  • Article
  • Open Access
7 Citations
2,004 Views
13 Pages

13 November 2024

The relationship between soil structure and salt accumulation is unclear; thus, experiments on salt accumulation under different soil structures were conducted in cotton fields in arid areas of northwest China. Thirty-nine sets of soil samples were c...

(This article belongs to the Section Soil and Plant Nutrition)
  • Article
  • Open Access
14 Citations
3,436 Views
18 Pages

22 September 2022

The seismo-electromagnetic theory describes the growth of fractally distributed cracks within the lithosphere that generate the emission of magnetic anomalies prior to large earthquakes. One of the main physical properties of this theory is their con...

(This article belongs to the Collection Wavelets, Fractals and Information Theory)
  • Article
  • Open Access
17 Citations
3,567 Views
17 Pages

14 October 2019

In this paper, we obtain multifractals (attractors) in the framework of Hausdorff b-metric spaces. Fractals and multifractals are defined to be the fixed points of associated fractal operators, which are known as attractors in the literature of fract...

(This article belongs to the Special Issue Impulsive Control Systems and Complexity)
  • Article
  • Open Access
32 Citations
5,405 Views
21 Pages

Fractals as Julia and Mandelbrot Sets of Complex Cosine Functions via Fixed Point Iterations

  • Anita Tomar,
  • Vipul Kumar,
  • Udhamvir Singh Rana and
  • Mohammad Sajid

10 February 2023

In this manuscript, we explore stunning fractals as Julia and Mandelbrot sets of complexvalued cosine functions by establishing the escape radii via a four-step iteration scheme extended with s-convexity. We furnish some illustrations to determine th...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
2 Citations
5,595 Views
30 Pages

19 December 2014

For the simplest colored branching process, we prove an analog to the McMillan theorem and calculate the Hausdorff dimensions of random fractals defined in terms of the limit behavior of empirical measures generated by finite genetic lines. In this s...

(This article belongs to the Section Information Theory, Probability and Statistics)
  • Article
  • Open Access
12 Citations
3,639 Views
15 Pages

Parametric Family of Root-Finding Iterative Methods: Fractals of the Basins of Attraction

  • José J. Padilla,
  • Francisco I. Chicharro,
  • Alicia Cordero and
  • Juan R. Torregrosa

Research interest in iterative multipoint schemes to solve nonlinear problems has increased recently because of the drawbacks of point-to-point methods, which need high-order derivatives to increase the order of convergence. However, this order is no...

(This article belongs to the Special Issue Applications of Iterative Methods in Solving Nonlinear Equations)
  • Article
  • Open Access
2 Citations
1,056 Views
25 Pages

The complexity of geological structures significantly impacts both mining production efficiency and operational safety, making its quantitative assessment a core issue in ensuring coal’s safe production and coalbed methane development. Focusing...

(This article belongs to the Special Issue Multiscale Fractal Analysis in Unconventional Reservoirs)
  • Article
  • Open Access
6 Citations
1,488 Views
21 Pages

9 May 2025

The skid resistance of asphalt pavement is vital for traffic safety and reducing accidents. Existing research using only wavelet transforms or fractal theory to study the pavement surface texture-skid resistance relationship has limitations. This pap...

(This article belongs to the Section Fault Diagnosis & Sensors)
  • Article
  • Open Access
6 Citations
2,651 Views
16 Pages

Fixed-Point Results in Fuzzy S-Metric Space with Applications to Fractals and Satellite Web Coupling Problem

  • Ilyas Khan,
  • Muhammad Shaheryar,
  • Fahim Ud Din,
  • Umar Ishtiaq and
  • Ioan-Lucian Popa

In this manuscript, we introduce the concept of fuzzy S-metric spaces and study some of their characteristics. We prove a fixed-point theorem for a self-mapping on a complete fuzzy S-metric space. To illustrate the versatility of our new ideas and re...

(This article belongs to the Special Issue Metric Spaces with Its Application to Fractional Differential Equations)
  • Article
  • Open Access
26 Citations
6,249 Views
14 Pages

3D Fractals as SERS Active Platforms: Preparation and Evaluation for Gas Phase Detection of G-Nerve Agents

  • Marta Lafuente,
  • Erwin J. W. Berenschot,
  • Roald M. Tiggelaar,
  • Reyes Mallada and ,
  • Niels R. Tas and
  • Maria P. Pina
  • + 1 author+ 0 author

31 January 2018

One of the main limitations of the technique surface-enhanced Raman scattering (SERS) for chemical detection relies on the homogeneity, reproducibility and reusability of the substrates. In this work, SERS active platforms based on 3D-fractal microst...

  • Article
  • Open Access
13 Citations
4,325 Views
20 Pages

Selection of Whole-Moon Landing Zones Based on Weights of Evidence and Fractals

  • Yaqin Cao,
  • Yongzhi Wang,
  • Jianzhong Liu,
  • Xiaojia Zeng and
  • Juntao Wang

16 September 2022

At present, the selection of lunar landing areas is mostly determined by experts’ argumentation and experience. Generally, it is artificially limited to a small zone, and there are few effective quantitative models for landing areas. Under the...

(This article belongs to the Section Satellite Missions for Earth and Planetary Exploration)
  • Article
  • Open Access
54 Citations
9,541 Views
21 Pages

30 August 2020

The conventional mathematical methods are based on characteristic length, while urban form has no characteristic length in many aspects. Urban area is a scale-dependence measure, which indicates the scale-free distribution of urban patterns. Thus, th...

  • Article
  • Open Access
11 Citations
6,232 Views
44 Pages

12 March 2020

We reveal the analytic relations between a matrix permanent and major nature’s complexities manifested in critical phenomena, fractal structures and chaos, quantum information processes in many-body physics, number-theoretic complexity in mathe...

(This article belongs to the Special Issue Exploring the NP-Complexity of Nature: Critical Phenomena, Chaos, Fractals, Graphs, Boson Sampling, Quantum Computing and More)
  • Article
  • Open Access
330 Views
15 Pages

Some Fixed Point Results for Fractals of Interpolative Ćirić–Reich–Rus Mappings in b-Metric Spaces

  • Loitongbam Melei Singh,
  • Yumnam Rohen,
  • Thangjam Bimol,
  • Naeem Saleem and
  • Mahpeyker Öztürk

In this paper, we introduce the concept of a (λσ,ϖ1σ,ϖ2σ)-interpolative Ćirić–Reich–Rus contraction iterated function system and an iterated multivalued system using interpolative Ćirić...

(This article belongs to the Special Issue Fixed Point Methods for Fractional Differential and Integral Equations)

of 86