Results 21 to 30 of about 4,323 (217)

Hyperbolic Hamiltonian flows and the semi-classical Poincaré map [PDF]

open access: yes, 2013
International audienceWe consider semi-excited resonances created by a periodic orbit of hyperbolic type for Schrödinger type operators with a small "Planck constant". They are defined within an analytic framework based on the semi-classical quantization
H. Louati   +5 more
core   +1 more source

Data_Sheet_1_A Scalar Poincaré Map for Anti-phase Bursting in Coupled Inhibitory Neurons With Synaptic Depression.pdf [PDF]

open access: yes, 2022
Short-term synaptic plasticity is found in many areas of the central nervous system. In the inhibitory half-center central pattern generators involved in locomotion, synaptic depression is believed to act as a burst termination mechanism, allowing ...
Mark Olenik (12717029)   +1 more
core   +1 more source

The state-dependent impulsive control for a general predator–prey model

open access: yesJournal of Biological Dynamics, 2021
In this paper, a general predator–prey model with state-dependent impulse is considered. Based on the geometric analysis and Poincaré map or successor function, we construct three typical types of Bendixson domains to obtain some sufficient conditions ...
Xiaoxiao Zhu, Huilan Wang, Zigen Ouyang
doaj   +1 more source

Topological Horseshoe Analysis and FPGA Implementation of a Classical Fractional Order Chaotic System

open access: yesIEEE Access, 2019
Scholars have done extensive research on dynamic analysis and analog circuits implementation of the classical fractional order chaotic system-Liu System (FOLS).
Enzeng Dong   +4 more
doaj   +1 more source

Magnetic X‐ray techniques

open access: yesMajor Reference Works, Page 169-176., 2023
International Tables for Crystallography is the definitive resource and reference work for crystallography and structural science.

Each of the eight volumes in the series contains articles and tables of data relevant to crystallographic research and to applications of crystallographic methods in all sciences concerned with the ...
Gerrit van der Laan C. Chantler   +2 more
wiley  

+1 more source

Surgery on Poincaré complexes [PDF]

open access: yes, 1984
A geometric approach to surgery on Poincaré complexes is described. The procedure mimics the original techniques for manifolds. It is shown that the obstructions to surgering a degree-one normal map of Poincaré complexes to a homotopy equivalence lie in ...
J. P. E. Hodgson
core   +1 more source

The inverse integrating factor and the Poincaré map [PDF]

open access: yes, 2010
27 pages, no figuresInternational audienceThis work is concerned with planar real analytic differential systems with an analytic inverse integrating factor defined in a neighborhood of a regular orbit.
Grau, Maite   +2 more
core   +1 more source

Horseshoe Chaos in a Simple Memristive Circuit

open access: yesJournal of Applied Mathematics, 2014
A simple memristive circuit model is revisited and the stability analysis is to be given. Furthermore, we resort to Poincaré section and Poincaré map technique and present rigorous computer-assisted verification of horseshoe chaos by virtue of ...
Lei Wang   +3 more
doaj   +1 more source

Solution of one-dimensional Dirac equation via Poincaré map [PDF]

open access: yes, 2011
We solve the general one-dimensional Dirac equation using a “Poincaré map” approach which avoids any approximation to the spacial derivatives and reduces the problem to a simple recursive relation which is very practical from the numerical implementation
El Bouâzzaoui Choubabi   +2 more
core   +1 more source

Poincaré Transversality for Double Covers [PDF]

open access: yes, 1978
Let π: X’ —” X be a double cover of 2n-dimensional Poincaré duality (PD) spaces. The double cover is a fibering so it is classified by a map f: X → RP1+1(l ≫ n). If the homotopy class of f contains a representative which is Poincaré transverse [5] to RPl
I. Hambleton, R. J. Milgram
core   +1 more source

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