436 research outputs found
Alkaline phosphatase encapsulated in gellan-chitosan hybrid capsules
Get PDFThis is a preprint of an article published in [Fujii, T; Ogiwara, D; Ohkawa, K; Yamamoto, H.,Alkaline phosphatase encapsulated in gellan-chitosan hybrid capsules,MACROMOLECULAR BIOSCIENCE,Vol 5,394-400(2005)]ArticleMACROMOLECULAR BIOSCIENCE. 5(5): 394-400 (2005)journal articl
Development of Reduced Activation Ferritic Steels with Improved Heat Resistance and Elemental Property Characterization for High Cycle Efficiency Steel-Based Blankets
Get PDFDevelopment of Reduced Activation Ferritic Steels with Improved Heat Resistance and Elemental Property Characterization for High Efficiency Water-Cooled Blankets
Get PDFDevelopment of Reduced Activation Ferritic Steels with Improved Heat Resistance and Elemental Property Characterization for High Cycle Efficiency Steel-based Blankets
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Quantum Optimization Problems
Full text linkKrentel [J. Comput. System. Sci., 36, pp.490--509] presented a framework for
an NP optimization problem that searches an optimal value among
exponentially-many outcomes of polynomial-time computations. This paper expands
his framework to a quantum optimization problem using polynomial-time quantum
computations and introduces the notion of an ``universal'' quantum optimization
problem similar to a classical ``complete'' optimization problem. We exhibit a
canonical quantum optimization problem that is universal for the class of
polynomial-time quantum optimization problems. We show in a certain relativized
world that all quantum optimization problems cannot be approximated closely by
quantum polynomial-time computations. We also study the complexity of quantum
optimization problems in connection to well-known complexity classes.Comment: date change
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