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Electrons in metals try to behave like obedient motorists, but they end up more like bumper cars. They may be reckless drivers, but a new Cornell-led study confirms this chaos has a limit established ...
Chaotic Compilation for Encrypted Computing: Obfuscation but Not in Name
Encrypted computing Compilers Obfuscation
2019/4/28
An `obfuscation' for the encrypted computing context is quantified exactly here, leading to an argument that security against polynomial-time attacks has been achieved for user data, with or without e...
Identity-based encryption and digital signature schemes using extended chaotic maps
Chaotic maps Identity-based encryption Digital signature
2016/1/23
This paper designed a new extended chaotic map-based Identity-based encryption (ECM-IBE) scheme and Identitybased digital signature (ECM-IDS) scheme using extended chaotic maps. The security of the E...
Design of identity-based digital signature schemes using extended chaotic maps
Chaotic maps Identity-based encryption Digital signature
2016/1/23
Inspired from the Identity-based cryptosystem proposed by Adi Shamir, and Boneh and Franklin, this paper designed a new Identity-based digital signature (ECM-IDS) scheme using extended chaotic maps. ...
Cryptanalysis Of An Authenticated Image Encryption Scheme Based On Chaotic Maps And Memory Cellular Automata
Image encryption Cryptanalysis Chosen plain-text attack
2015/12/31
Recently an image encryption scheme based on chaotic maps and memory cellular
automata has been proposed. In this paper, the security of the scheme is evaluated
and it is demonstrated that the schem...
We develop a general technique for proving the existence of chaotic attractors
for three-dimensional vector fields with two time scales. Our results connect
two important areas of dynamical systems:...
Chaotic behavior of seismic mechanisms: experiment and observation
Earthquake modeling chaos theory
2015/8/24
To simulate the dynamics of earthquakes, a mechanical prototype was constructed that was inspired by the Burridge-Knopoff model and equipped with accurate instrumental devices. The data obtained by th...
A great deal of research in theoretical phonology has been motivated by a single fundamental question: what kinds of grammatical restrictions or biases are needed in order to explain the observed phon...
Discrete-Time Chaotic-Map Truly Random Number Generators: Design, Implementation, and Variability Analysis of the Zigzag Map
Truly Random Number Generator Current-Mode Circuits Switched-Current Technique Variability
2012/6/21
In this paper, we introduce a novel discrete chaotic map named zigzag map that demonstrates excellent chaotic behaviors and can be utilized in Truly Random Number Generators (TRNGs). We comprehensivel...
Chaotic behavior of ion exchange phenomena in polymer gel electrolytes through irradiated polymeric membrane
Porous membrane ion channels polymer gel electrolyte non linear dynamics ion exchange
2012/4/26
A desktop experiment has been done to show the nonlinearity in the I-V characteristics of an ion conducting electrochemical micro-system. Its chaotic dynamics is being reported for the first time whic...
Particle filtering in high-dimensional chaotic systems
particle filtering in high dimensions chaotic systems Lorenz’96 nonlinear filtering dimensional reduction homogenization
2012/4/20
We present an efficient particle filtering algorithm for multiscale systems, that is adapted for simple atmospheric dynamics models which are inherently chaotic. Particle filters represent the posteri...
Random Symmetry Breaking and Freezing in Chaotic Networks
Random Symmetry Breaking Freezing Chaotic Networks
2012/4/26
Parameter space of a driven damped oscillator in a double well potential presents either a chaotic trajectory with sign oscillating amplitude or a non-chaotic trajectory with a fixed sign amplitude. A...
Sensitivity computation of periodic and chaotic limit cycle oscillations
Sensitivity analysis linear response adjoint equation unsteady adjoint chaos statistical average
2012/4/19
Sensitivity analysis can be a powerful tool for multi-disciplinary design optimization of nonlinear flow structure interaction. For computing sensitivity of time averaged quantities in chaotic oscilla...
Forward and Adjoint Sensitivity Computation of Chaotic Dynamical Systems
Sensitivity analysis linear response adjoint equation unsteady adjoint chaos statistical average
2012/2/29
This paper describes a forward algorithm and an adjoint algorithm for computing sensitivity derivatives in chaotic dynamical systems, such as the Lorenz attractor. The algorithms compute the derivativ...
Modified projective synchronization of fractional-order chaotic systems with different dimensions
Modified projective synchronization Fractional-order chaotic systems Laplace transformation
2011/10/18
In this letter, the modified projective synchronization between two fractional-order chaotic systems with different dimensions is investigated. The added-order scheme and the reduced-order scheme are ...