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Synchrony is one of the most common dynamical states emerging on networks. The speed of convergence towards synchrony provides a fundamental collective time scale for synchronizing systems. Here we st...
Compress-and-Forward Scheme for a Relay Network: Approximate Optimality and Connection to Algebraic Flows
Compress-and-Forward Scheme Relay Network Approximate Optimality Connection Algebraic Flows
2011/1/17
We study a wireless relay network, with a single source and a single destination.Our main result is to show that an appropriate compress-and-forward scheme supports essentially the same reliable data ...
A new algorithm for minimum path in a network
Network optimization Shortest path Minimum path Path labeling algorithm
2010/11/1
A new algorithm namely, path labeling algorithm for finding the minimum path from a specified node to other nodes in a network having crisp or imprecise weights is introduced. The proposed algorithm i...
Evaluation of performance in network using DEA with undesirable and non-discretionary data
Network Data Envelopment Analysis Undesirable factors
2010/9/25
Traditional studies in data envelopment analysis (DEA) view systems as a whole when measuring the efficiency, ignoring the operation of individual processes within a system. Furthermore DEA is a mathe...
In this study, shape optimisation of cantilever beams has been carried out using neural network. Considering different geometrical parameters, finite element analyses of cantilever beams are carried o...
Combinatorial Network Optimization with Unknown Variables: Multi-Armed Bandits with Linear Rewards
Network Optimization Unknown Variables
2010/11/24
In the classic multi-armed bandits problem, the goal is to have a policy for dynamically operating arms that each yield stochastic rewards with unknown means. The key metric of interest is regret, de...
Network error correction with unequal link capacities
Network error correction unequal link capacities
2010/11/22
This paper studies the capacity of single-source single-sink noiseless networks under adversarial or arbitrary errors on no more than z edges. Unlike prior papers, which assume equal capacities on al...
Overlay Protection Against Link Failures Using Network Coding
Overlay Protection Link Failures Network Coding
2010/11/22
This paper introduces a network coding-based protection scheme against single and multiple link failures. The proposed strategy ensures that in a connection, each node receives two copies of the same ...
Effects of the Generation Size and Overlap on Throughput and Complexity in Randomized Linear Network Coding
Throughput Randomized Linear Network Coding
2010/11/22
To reduce computational complexity and delay in randomized network coded content distribution, and for some other practical reasons, coding is not performed simultaneously over all content blocks, bu...
A neural-network to solving the output contention in packet switching networks
Optical packets switching Head-of-line
2010/9/14
Optical packet switching based onWavelength Division Multiplexing (WDM) offers the possibility of increased granularity and more effective use bandwidth in large capacity systems, on scale of Tb/s. Th...
Efficiency and effectiveness in multi-activity network DEA model with fuzzy data
Data envelopment analysis Multi-activity network
2010/9/17
In this paper, at first we introduce a multi-activity network DEA with fuzzy inputs and outputs (MNFDEA) then we make production possibility set with defined constrains. Objective function of this mul...
Mathematical models and numerical simulations for the P53 ¡Mdm2 network
delay di® erential equation p53 Mdm2
2009/1/4
Guardian of the genome, p53 gene, and its partners that form
the complex network involved in apoptosis and cell cycle arrest, is put
under investigation. Some relevant mathematical models are descri...
Time neural network minimum distance classifier and its application to optical character recognition problem
neural network classifier minimum distance classification
2010/9/13
We propose a special neural network model, NNC, (Neural Network Classifier), which with a classification problem of l classes C1,C2, ...,Cl, classifies an unknown vector to one class using a minimum d...
New multi-domains image watermarking method based on multi-watermarks embedding and neural network segmentation
Image watermarking Neural network segmentation
2010/9/15
The need for a robust method that protects owner rights against unintended or malicious stealing, which has arisen because of the rapid increase of Internet data exchange and multimedia use, in additi...
A weighted network model based on the preferential selection of edges
Weighted networks Strength distribution Weight distribution
2010/9/15
A model for the growth of weighted networks is proposed. The model is based on the edge preferential selection. By the master equation approach, the distributions of strength, weight and degree are pr...