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8461
Image Encryption Algorithm Based on a Novel Improper Fractional-Order Attractor and a Wavelet Function Map
Published 2017-01-01“…It is noted that the nonlinear characteristic of the improper fractional-order chaos is interesting. Based on the continuous chaos and the discrete wavelet function map, an image encryption algorithm is put forward. …”
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8462
Initial-Sensitive Dynamical Behaviors of a Class of Geometrically Nonlinear Oscillators
Published 2022-01-01“…Furthermore, it follows from the investigation of the heteroclinic bifurcation that the increase of the external excitation amplitude may lead to locking instability, chaos, and static locking. The results have some potential values in the design of geometrically nonlinear oscillators.…”
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8463
Effect of Surface Morphology on Dynamic Characteristics of Cam-Follower Oblique Impact System
Published 2019-01-01“…The system response changes between quasiperiod and chaos affected by the contact line length with a normal random distribution.…”
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8464
Research on a 3D Predator-Prey Evolutionary System in Real Estate Market
Published 2018-01-01“…This shows that there are two routes to complicated dynamics, one of which is the cascade of flip bifurcations resulting in periodic cycles (and chaos), and the other one is Neimark-Sacker bifurcation which produces attractive invariant closed curves. …”
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8465
Dynamic Investigation in Green Supply Chain considering Channel Service
Published 2020-01-01“…Considering firm’s innovation input of green products and channel service, this paper, in dynamic environment, studies a dynamic price game model in a dual-channel green supply chain and focuses on the effect of parameter changing on the pricing strategies and complexity of the dynamic system. …”
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8466
A Bertrand Duopoly Game with Long-Memory Effects
Published 2020-01-01“…Using the bifurcation diagram, the phase portrait, time series, and the 0-1 test for chaos, we numerically validate these results and illustrate its complex phenomena, such as bifurcation and chaos.…”
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8467
Dynamic Evolutionary Games and Coordination of Multiple Recycling Channels considering Online Recovery Platform
Published 2021-01-01“…We thoroughly analyze the model and its evolution by chaos theory, complex dynamics theory, and numerical simulation and introduce the adaptive method to control the chaos of the system. …”
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8468
The "one-group-one-cipher" cryptograph of block-cipher based on chaotic
Published 2009-01-01“…The"one-group-one-cipher"algorithm used the sequence from chaotic mapping as sub-key for block cipher was presented to solve the problem of weak keys existing in currently combined cipher algorithms.The randomness of abstracted key sequence was validated in aspects of Shannon entropy.The"one-group-one-cipher"algorithm was de-signed and implemented based on hyper-chaos generalized Hénon mapping and IDEA algorithms, and its security was analyzed theoretically.Analysis shows that the algorithm is so secure that it can withstand brute force attack, and it was perfect secrecy.The disadvantages of key’s reuse of block ciphers are avoided, and the practicality and feasibility of chaos ciphers and one-time pad are improved.…”
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8469
MasterClass in Geography Education : transforming teaching and learning /
Published 2015Table of Contents: “…Constructing the Geography Curriculum, Charles Rawding (Edge Hill University, UK)7. Geography, Research and Theory, Roger Firth (University of Oxford, UK) and Graham Butt (Oxford Brookes University, UK)8. …”
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8470
International Human Resource Management /
Published 2015Table of Contents: “…Regulation and Multinational Corporations: The Changing Context of Global Employment Relations / Miguel Martinez Lucio, Robert MacKenzie -- 8. …”
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8471
E-books in Libraries : a practical guide /
Published 2011Table of Contents: “…Overview ; Making e-book collections visible to readers / Anna Grigson ; Providing guidance, training and support for readers using e-books / Karen Gravett ; Information technology and e-books : challenges and opportunities / James Clay -- pt. 4. Engaging readers with e-books. Overview ; Public library users connecting with e-books / Martin Palmer ; Engaging students with e-books in further education / Sue Caporn ... …”
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8472
The Routledge handbook of stylistics /
Published 2014Table of Contents: “…Freeman -- Quantitative methodological approaches to stylistics / Olivia Fialho and Sonia Zyngier -- Feminist stylistics / Rocío Montoro -- Literary pragmatics and stylistics / Chantelle Warner -- Corpus stylistics / Michaela Mahlberg -- Stylistics and translation / Jean Boase-Beier -- Critical stylistics / Lesley Jeffries -- Creative writing and stylistics / Jeremy Scott -- Stylistics and real readers / David Peplow and Ronald Carter -- Stylistics and film / Michael Toolan -- Multimodality and stylistics / Nina Nørgaard -- Stylistics and comics / Charles Forceville, Elisabeth El Refaie, and Gert Meesters -- Stylistics and hypertext fiction / Paola Trimarco -- Stylistics, emotion and neuroscience / Patrick Colm Hogan.…”
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8473
The Dynamic Rent-Seeking Games with Policymaker Cost and Competition Intensity
Published 2020-01-01“…As the competition parameter decreases or the expenditure parameter increases, there will be chaos in a rent-seeking market. Chaos control is in order to stabilize the equilibrium of the rent-seeking game.…”
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8474
Design of SCMA codebook based on chaotic signal and system performance analysis
Published 2019-02-01“…Sparse code multiple access (SCMA) technology is one of the multiple access technology schemes for the new generation of 5G.In order to solve the transmission requirement of massive users,the logistic chaos sequence was proposed instead of the random sequence in the original system to select the codeword.The constellation method based on trellis coded modulation (TCM) subset segmentation with the mapping matrix was used to generate codebook in the encoder,and decoded through message passing algorithm (MPA) detection method.The simulation results show that the bit error rate (BER) is low when the system uses the pseudo-random sequence of chaos to select the codeword,and the system also performs well under the condition of high overload rate.…”
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8475
Propagation of two-particle correlations across the chaotic phase for interacting bosons
Published 2025-02-01“…We analyze the propagation of experimentally relevant two-particle correlations for one-dimensional interacting bosons, and give evidence that many-body chaos induces the emergence of an effective diffusive regime for the fully coherent correlation dynamics, characterized by an interaction dependent diffusion coefficient, which we estimate. …”
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8476
Energy Conservation, Singular Orbits, and FPGA Implementation of Two New Hamiltonian Chaotic Systems
Published 2020-01-01“…Since the conservative chaotic system (CCS) has no general attractors, conservative chaotic flows are more suitable for the chaos-based secure communication than the chaotic attractors. …”
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8477
Chaotic motion of particles in the spacetime of a Kerr black hole immersed in swirling universes
Published 2025-01-01“…We find that the swirling parameter can change the range of the spin parameter where the chaos occurs, and vice versa. …”
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8478
Transition from the topological to the chaotic in the nonlinear Su–Schrieffer–Heeger model
Published 2025-01-01“…Here, we reveal that nonlinear topological edge modes can exhibit the transition to spatial chaos by increasing nonlinearity, which can be a universal mechanism of the breakdown of the bulk–edge correspondence. …”
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8479
Analysis of the Dynamical Properties of Discrete Predator-Prey Systems with Fear Effects and Refuges
Published 2024-01-01“…Additionally, numerical simulations are employed to illustrate the bifurcation phenomenon and chaos characteristics. The results demonstrate that period-doubling and Hopf bifurcations are two typical routes to generate chaos, as evidenced by the calculation of the maximum Lyapunov exponents near the critical bifurcation points. …”
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8480
Analysis of the Financial Chaotic Model with the Fractional Derivative Operator
Published 2020-01-01“…The chaos observed depends strongly on these previously mentioned parameters. …”
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