Johannes Held

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Heterotic orbifolds provide promising constructions of MSSM–like models in string theory. We investigate the connection of such orbifold models with smooth Calabi-Yau compactifications by examining resolutions of the T 6 / 6–II orbifold (which are far from unique) with Abelian gauge fluxes. These gauge backgrounds are topologically characterized by weight(More)
Massive Multiuser Virtual Environments (MMVEs) have grown to a huge industry in recent years. They allow for simultaneous activity of thousands of players in a virtual world. Distributed event-based systems are a promising approach to reach both performing and scalable architectures. The potential of these architectures can only be fully exploited if event(More)
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