نتایج جستجو برای: periodic order totally

تعداد نتایج: 1005991  

1999
Frank Pasemann

We discuss the parametrized dynamics of two coupled recurrent neural networks comprising either additive sigmoid neurons in discrete time or biologically more plausible time-continuous leaky-integrate-andre cells. General conditions for the existence of synchronized activity in such networks are given, which guarantee that corresponding neurons in both coupled sub-networks evolve synchronously....

2015
JAUME LLIBRE Jaume Llibre Ammar Makhlouf A. MAKHLOUF

We provide sufficient conditions for the existence of periodic solutions of the second order Hamiltonian system −x′′ − λx = εV ′ x (t, x) , where ε is a small parameter, x ∈ R and V (t, x) is 2π-periodic in t. Moreover we provide two applications.

Journal: :Journal of Mathematical Analysis and Applications 1990

Existence of periodic solutions for non-linear third order autonomous differential equation (O.D.E.) has not been investigated to as large an extent as non-linear second order. The popular Poincare-Bendixon theorem applicable to second order equation is not valid for third order equation (see [3]). This conclusion opens a way for further investigation.

Journal: :Zbornik radova Uciteljskog fakulteta Prizren-Leposavic 2015

2011
M. Halo S. Casassa L. Maschio C. Pisani R. Dovesi D. Ehinon I. Baraille M. Rérat D. Usvyat

The ab initio determination of the leading long-range term of pairwise additive dispersive interactions, based on the independent analysis of the response properties of the interacting objects, is here considered in the case where these are part of a periodic system. The interaction of a nitrogen molecule with a thin film of hexagonal BN has been chosen as a case study for identifying some of t...

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