Results 51 to 60 of about 24,699 (303)

Backpropagation Through Soft Body: Investigating Information Processing in Brain–Body Coupling Systems

open access: yesAdvanced Robotics Research, EarlyView.
This study explores how information processing is distributed between brains and bodies through a codesign approach. Using the “backpropagation through soft body” framework, brain–body coupling agents are developed and analyzed across several tasks in which output is generated through the agents’ physical dynamics.
Hiroki Tomioka   +3 more
wiley   +1 more source

Asymptotic Stability, Orbital Stability of Hopf-Bifurcating Periodic Solution of a Simple Three-Neuron Artificial Neural Network with Distributed Delay

open access: yesNonlinear Analysis, 2008
A distributed delay model of a class of three-neuron network has been investigated. Sufficient conditions for existence of unique equilibrium, multiple equilibria and their local stability are derived.
P. D. Gupta, N. C. Majee, A. B. Roy
doaj   +1 more source

Beat-to-Beat Patterning of Sinus Rhythm Reveals Non-linear Rhythm in the Dog Compared to the Human

open access: yesFrontiers in Physiology, 2020
The human and dog have sinus arrhythmia; however, the beat-to-beat interval changes were hypothesized to be different. Geometric analyses (R–R interval tachograms, dynamic Poincaré plots) to examine rate changes on a beat-to-beat basis were analyzed ...
N. Sydney Moïse   +2 more
doaj   +1 more source

Intervals of bifurcation points for semilinear elliptic problems

open access: yesAdvances in Nonlinear Analysis
Abstract In this article, we study the behavior of multiple continua of solutions to the semilinear elliptic problem
Tapia, José Carmona   +2 more
openaire   +5 more sources

Bifurcations of circle maps: Arnol'd tongues, bistability and rotation intervals [PDF]

open access: yesCommunications in Mathematical Physics, 1986
This paper studies the bifurcations of families of noninvertible circle maps defined by \(x+w+bp(x)\) (mod 1), where (b,w) are two real parameters, p(x) being a continuous periodic function of period 1, which verifies other hypotheses given in {\S} 3. When \(p(x)\equiv (2\pi)^{-1}\sin (2\pi x)\), a ''standard'' map is obtained.
openaire   +3 more sources

Milnor’s Conjecture on Monotonicity of Topological Entropy: results and questions [PDF]

open access: yes, 2014
02.08.13 KB. Author has recieved permission from publisher to add the submitted version to Spiral.This note discusses Milnor’s conjecture on monotonicity of entropy and gives a short exposition of the ideas used in its proof which was obtained in joint ...
van Strien, S, Sebastian van Strien
core   +1 more source

Optimization of Magnetic Milli‐Spinner for Robotic Endovascular Intervention

open access: yesAdvanced Robotics Research, EarlyView.
This work presents the design optimization of a multifunctional magnetic milli‐spinner for high‐speed propulsion and efficient clot debulking. The optimized design achieves an ultrafast swimming velocity of 55 cm/s (≈175 body lengths/s) in saline water, enabling stable upstream swimming against strong physiological flows and establishing magnetic milli‐
Lu Lu   +3 more
wiley   +1 more source

Mixing‐Driven Defects and Composition Evolution in Multi‐Material Metal Additive Manufacturing

open access: yesAdvanced Science, EarlyView.
Operando synchrotron X‐ray imaging coupled with high‐fidelity multiphysics modeling uncovers how inter‐material mixing reshapes keyhole dynamics and drives distinct pore‐formation pathways in multi‐material laser powder bed fusion (LPBF). Composition‐dependent instabilities trigger defects, whereas rescanning suppresses porosity and homogenizes Cu ...
Zhilang Zhang   +5 more
wiley   +1 more source

Bifurcation of solutions from infinity for certain nonlinear eigenvalue problems of fourth-order ordinary differential equations

open access: yesElectronic Journal of Differential Equations, 2018
In this article, we study the global bifurcation from infinity of nonlinear eigenvalue problems for ordinary differential equations of fourth order. We prove the existence of unbounded continua of solutions emanating from asymptotically bifurcation ...
Ziyatkhan S. Aliyev   +1 more
doaj  

Bilateral carotid artery geometry using magnetic resonance angiography: a 10-year longitudinal single center study

open access: yesScientific Reports, 2022
Aging and atherosclerotic progression can lead to geometric changes in the carotid arteries. We conducted a longitudinal study to investigate geometric changes in the bilateral carotid arteries.
Woocheol Kwon   +6 more
doaj   +1 more source

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