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» On periodicity of two-dimensional words
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96
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AMC
2008
92views more  AMC 2008»
15 years 18 days ago
Bifurcation of nontrivial periodic solutions for an impulsively controlled pest management model
In this paper, we investigate the existence of nontrivial periodic solutions for an integrated pest management model which is impulsively controlled by means of biological and che...
Paul Georgescu, Hong Zhang, Lansun Chen
95
Voted
AUTOMATICA
2007
106views more  AUTOMATICA 2007»
15 years 17 days ago
Asymptotic rejection of asymmetric periodic disturbances in output-feedback nonlinear systems
This paper deals with asymptotic rejection of periodic disturbances which may have asymmetric basic wave patterns. This class of disturbances covers asymmetric wave forms in the h...
Zhengtao Ding
78
Voted
JCC
2007
115views more  JCC 2007»
15 years 10 days ago
The role of radial nodes of atomic orbitals for chemical bonding and the periodic table
: The role of radial nodes, or of their absence, in valence orbitals for chemical bonding and periodic trends is discussed from a unified viewpoint. In particular, we emphasize th...
Martin Kaupp
85
Voted
BIRD
2007
Springer
15 years 6 months ago
Analysing Periodic Phenomena by Circular PCA
Experimental time courses often reveal a nonlinear behaviour. Analysing these nonlinearities is even more challenging when the observed phenomenon is cyclic or oscillatory. This me...
Matthias Scholz
91
Voted
ITA
2002
15 years 4 days ago
Density of Critical Factorizations
Abstract. We investigate the density of critical factorizations of infinte sequences of words. The density of critical factorizations of a word is the ratio between the number of p...
Tero Harju, Dirk Nowotka