Results 61 to 70 of about 145,268 (214)

Symmetry Bifurcation and Chaos of the Poincaré Map, in a Three degree-of-freedom Vibro impact System

工程科学与技术, 2008
:A three degree-of-freedom vibro impact system with symmetric constraining stops is considered. The Poincaré map of the system is established, and the symmetry of the Poincaré map is derived in detail. The theory of bifurcation of fixed points is applied
乐源, 谢建华
doaj  

Bifurcations and chaos in a three-dimensional generalized Hénon map

Advances in Difference Equations, 2018
This article presents the bifurcation and chaos phenomenon of the three-dimensional generalized Hénon map. We establish the existence and stability conditions for the fixed points of the system.
Jingjing Zheng, Ziwei Wang, You Li, Jinliang Wang   +3 more
doaj   +1 more source

Decision Theory and Proof Standards for Future Crimes: Possible Uses and Open Questions

Behavioral Sciences &the Law, EarlyView.
ABSTRACT What should be the proof standard for applying preventive criminal sanctions based on an establishment of risk of reoffending? This is an open question in legal systems around the world. Various authors suggest that we can answer it by using decision theory. This approach conceptualises the proof standard as a probabilistic threshold. A person
Hylke Jellema, Johannes Bijlsma
wiley   +1 more source

Bifurcations and chaos in a discrete SI epidemic model with fractional order

Advances in Difference Equations, 2018
In this study, a new discrete SI epidemic model is proposed and established from SI fractional-order epidemic model. The existence conditions, the stability of the equilibrium points and the occurrence of bifurcation are analyzed.
Mahmoud A. M. Abdelaziz, Ahmad Izani Ismail, Farah A. Abdullah, Mohd Hafiz Mohd   +3 more
doaj   +1 more source

Individuals Meaningfully Differ in How They Construct the Populist Subject of ‘the People’: Development and Initial Validation of the Popular Inclusion and Exclusion Scale

European Journal of Social Psychology, EarlyView.
ABSTRACT Despite the variety of populist manifestations, little research has dedicated itself to exploring this variation within and between individuals. Building on a discursive tradition, we propose that individuals meaningfully differ in how they construct the populist group of ‘the people’. Across three studies, we developed a popular inclusion and
Joseph D. Foley, Paul J. Maher, Orla T. Muldoon   +2 more
wiley   +1 more source

Autonomous Velocity Encoding (VENC) Selection Improves Precision of Quantitative Flow Measurement

Journal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background The optimal velocity encoding limit (VENC) in phase contrast MRI is subject‐specific because it depends on peak flow rate and the presence of flow jets. Currently, VENC is set manually with limited prior knowledge of the peak velocity. Setting the correct VENC might improve measurement precision or shorten scan times.
Pierre Daudé, Rajiv Ramasawmy, Christine Mancini, Dominique Franson, Sunggun Lee, Anastasia Tsakirellis, W. Patricia Bandettini, Ahsan Javed, Kelvin Chow, Adrienne E. Campbell‐Washburn   +9 more
wiley   +1 more source

Bifurcation of a heterodimensional cycle with weak inclination flip

Discrete and Continuous Dynamical Systems - B, 2012
Local moving frame is constructed to analyze the bifurcation of a heterodimensional cycle with weak inclination flip in $\mathbb{R}^4$. Under some generic hypotheses, the existence conditions for the heteroclinic orbit, $1$-homoclinic orbit, $1$-periodic orbit and two-fold or three-fold $1$-periodic orbit are given, respectively.
Zhiqin Qiao, Deming Zhu, Qiuying Lu
openaire   +1 more source

Global Hopf bifurcation in the ZIP regulatory system [PDF]

, 2015
Regulation of zinc uptake in roots of Arabidopsis thaliana has recently been modeled by a system of ordinary differential equations based on the uptake of zinc, expression of a transporter protein and the interaction between an activator and inhibitor ...
Ptashnyk, Mariya, Ptashnyk, Mariya; id_orcid, Claus, Juliane, Chavarría-Krauser, Andrés, Bohmann, Ansgar   +4 more
core   +1 more source

Current concepts in isolated and combined injuries of the medial collateral ligament complex—Part I: Anatomy, biomechanics, clinical and radiological examination of the medial collateral ligament of the knee

Knee Surgery, Sports Traumatology, Arthroscopy, EarlyView.
Abstract Injuries involving the medial collateral ligament (MCL), or combined injuries to both the anterior cruciate ligament (ACL) and MCL, are common and present considerable diagnostic and therapeutic challenges. Better understanding of MCL anatomy and biomechanics, especially in combined ACL–MCL injuries, has driven the need for updated clinical ...
Armin Runer, Andrew Amis, Robert Smigielski, Elmar Herbst, Christoph Kittl, Guido Wierer, Nicolas Bouguennec, Riccardo Cristiani, Christian Hoser, Elisabeth Abermann, Lukas Willinger, Riccardo D'Ambrosi, Eric Hamrin Senorski, Alan Getgood, Volker Musahl, Simon Ball, Andy Williams, Gilbert Moatshe, Sebastian Siebenlist, Marc Strauss, Martin Lind, Mirco Herbort, Kristian Samuelsson, Christian Fink, James Robinson   +24 more
wiley   +1 more source

Phase-flip bifurcation: theory and experiment

, 2007
Phase synchronization is common in weakly coupled nonlinear systems. Basically two types of phase synchronization, in-phase and antiphase or out-of-phase are seen in both instantaneously coupled and delay coupled systems.
Ramaswamy, Ramakrishna, Kurths, Juergen, Prasad, Awadhesh, Dana, Syamal Kumar   +3 more
core   +2 more sources