Results 281 to 290 of about 5,696,429 (330)
New concepts for sustainable management of cultivated soils through direct seeding mulch based cropping systems : the CIRAD experience, partnership and networks [PDF]
, 2004 Bouzinac, Serge +3 more
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Semi-Quantum Secure Direct Communication Using Entanglement
International Journal of Theoretical Physics, 2020zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Rong, Zhenbang +2 more
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Mediated semi-quantum secure direct communication
Quantum Information Processing, 2021zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zhenbang Rong +3 more
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2017
In this chapter we introduce semi-direct products such as the Poincare group, the Galilei group and the Bargmann group. We describe their irreducible unitary representations, which are induced from representations of their translation subgroup combined with a so-called little group.
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In this chapter we introduce semi-direct products such as the Poincare group, the Galilei group and the Bargmann group. We describe their irreducible unitary representations, which are induced from representations of their translation subgroup combined with a so-called little group.
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Epidemic dynamics on semi-directed complex networks
Mathematical Biosciences, 2013In this paper an SIS model for epidemic spreading on semi-directed networks is established, which can be used to examine and compare the impact of undirected and directed contacts on disease spread. The model is analyzed for the case of uncorrelated semi-directed networks, and the basic reproduction number R0 is obtained analytically.
Zhang, Xiaoguang +4 more
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Produits semi-directs acycliques
Archiv der Mathematik, 1987On relie, dans cet article, l'homologie du classifiant pour les ''variations'' de \(\Gamma\)-structures à l'homologie à coefficients tordus du groupe des difféomorphismes, considéré comme groupe discret. Certains résultats d'acyclicité sont donnés, en particulier pour l'homologie du groupe linéaire d'un espace vectoriel de dimension infinie à ...
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Simultaneous Direct And Semi-direct Solutions In Reservoir Simulation
Journal of Canadian Petroleum Technology, 1981Introduction An efficient simultaneous semi-direct iterative method, which improves upon the capability of iterative methods, is described. The semi-direct method presents the advantages of including additional diagonals in the "triangular decomposition process, with a different internal approximation to Lelkeman"s ...
K.A. Burgess, S.M. Farouq Ali
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