Results 101 to 110 of about 5,309,525 (360)

Emergence of chaotic attractor and anti-synchronization for two coupled monostable neurons

open access: yes, 2004
The dynamics of two coupled piece-wise linear one-dimensional monostable maps is investigated. The single map is associated with Poincare section of the FitzHugh-Nagumo neuron model.
M. Courbage   +4 more
core   +2 more sources

Advances in 3D Printing Technologies for Fabricating Magnetic Soft Microrobots

open access: yesAdvanced Intelligent Systems, EarlyView.
This paper gives an in‐depth synopsis of various additive manufacturing technologies used to fabricate magnetic soft microrobots. The review covers the basics behind magnetism and the materials used. It then dives into three‐dimensional printing technologies including extrusion, photopolymerization, jetting, etc.
Kaitlyn Clancy   +2 more
wiley   +1 more source

Morse Thoery of Saddle Point Reduction with Applications

open access: yesAxioms
In this paper, we demonstrate that when saddle point reduction is applicable, there is a clear relationship between the Morse index and the critical groups before and after the reduction.
Ran Yang, Qin Xing
doaj   +1 more source

Stability Estimates and Structural Spectral Properties of Saddle Point Problems

open access: yes, 2012
For a general class of saddle point problems sharp estimates for Babu\v{s}ka's inf-sup stability constants are derived in terms of the constants in Brezzi's theory.
Krendl, Wolfgang   +2 more
core   +1 more source

Memristive Chaotic Circuit for Information Processing Through Time

open access: yesAdvanced Intelligent Systems, EarlyView.
A chaotic circuit that exploits the nonlinear characteristics of a memristive device is realized in hardware. The circuit response evolves through simple periodic, multiperiod, and chaotic regimes. The circuit also displays fading memory property. Finally, the circuit is used in a reservoir computing architecture to demonstrate nonlinear classification
Manuel Escudero   +2 more
wiley   +1 more source

Dynamics of Lennard-Jones clusters: A characterization of the activation-relaxation technique

open access: yes, 2000
The potential energy surface (PES) of Lennard-Jones clusters is investigated using the activation-relaxation technique (ART). This method defines events in the configurational energy landscape as a two-step process: (a) a configuration is first activated
A.F. Voter   +35 more
core   +1 more source

解非对称鞍点问题的广义交替分裂预处理子的一个注记(A note of generalized shift-splitting preconditioners for nonsymmetric saddle point problems)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2017
Recently, CAO et al introduced a generalized shift-splitting preconditioner for saddle point problems with nonsymmetric positive definite (1, 1)-block.
ZHANGLitao(张理涛)   +2 more
doaj   +1 more source

Critical points when there is no saddle point geometry [PDF]

open access: yesTopological Methods in Nonlinear Analysis, 1995
Using the topological method of linking subsets [the author and \textit{K. Tintarev}, Bull. Soc. Math. Belg., Sér. B 44, 249-261 (1992; Zbl 0785.58017)]the author proves two abstract theorems that imply certain extensions of the saddle point theorem of \textit{P. H. Rabinowitz} [Reg. Conf. Ser. Math. 65 (1986; Zbl 0609.58002)].
openaire   +3 more sources

Existence of traveling waves for diffusive-dispersive conservation laws

open access: yesElectronic Journal of Differential Equations, 2013
In this work we show the existence existence and uniqueness of traveling waves for diffusive-dispersive conservation laws with flux function in $C^{1}(mathbb{R})$, by using phase plane analysis.
Cezar I. Kondo, Alex F. Rossini
doaj  

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