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This paper generalizes the widely used Nelder-Mead (1965) simplex algorithm to parallel processors. Unlike most previous parallelization methods, which are based on parallelizing the tasks required to compute a specific objective function given a vector of parameters, our parallel simplex algorithm uses parallelization at the parameter level. Our parallel(More)
Cloud computing technologies have conflicting advantages and disadvantages with smartcards. Smartcards have high level of security but severe hardware restrictions, while clouds computing technologies are made available as utility computing but face with challenges and issues in security. We combine cloud computing technologies with smartcards and design(More)
We propose a quantum key distribution protocol with quantum based user authentication. User authentication is executed by validating the correlation of GHZ states. Alice and Bob can distribute a secure key using the remaining GHZ states after authentication. This secret key does not leak even to the arbitrator by the properties of the en-tanglement. We will(More)
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