نتایج جستجو برای: Local connectivity

تعداد نتایج: 591525  

M. Jahanshahi M. Maddah N. Najafizadegan

 Mobile sensor networks rely heavily on inter-sensor connectivity for collection of data. Nodes in these networks monitor different regions of an area of interest and collectively present a global overview of some monitored activities or phenomena. A failure of a sensor leads to loss of connectivity and may cause partitioning of the network into disjoint segments. A number of approaches have be...

The right and left hand Motor Imagery (MI) analysis based on the electroencephalogram (EEG) signal can directly link the central nervous system to a computer or a device. This study aims to identify a set of robust and nonlinear effective brain connectivity features quantified by transfer entropy (TE) to characterize the relationship between brain regions from EEG signals and create a hierarchi...

Journal: :Applied Mathematics Letters 2008

Journal: :Discrete Mathematics 1997

Journal: :Bulletin of the American Mathematical Society 1948

Journal: :Bulletin of the American Mathematical Society 1961

Journal: :Rocky Mountain Journal of Mathematics 2003

Journal: :Australasian J. Combinatorics 2013
Yubao Guo Andreas Holtkamp Sebastian Milz

For a local tournament D with minimum out-degree δ, minimum indegree δ− and irregularity ig(D), we give a lower bound on the connectivity of D, namely κ(D) ≥ (2 ·max{δ+, δ−}+ 1− ig(D))/3 if there exists a minimum separating set S such that D − S i is a tournament, and κ(D) ≥ (2 ·max{δ+, δ−}+ 2|δ+ − δ−|+ 1− 2ig(D))/3 otherwise. This generalizes a result on tournaments presented by C. Thomassen [...

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