47,232 research outputs found

    Homotopy groups of generic leaves of logarithmic foliations

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    We study the homotopy groups of generic leaves of logarithmic foliations on complex projective manifolds. We exhibit a relation between the homotopy groups of a generic leaf and of the complement of the polar divisor of the logarithmic foliation.Comment: Keywords: Foliations, Logarithmic, Topology of Leave

    Process Asset Library based on Knowledge Management Techniques

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    Software Engineering Lab is a research center at Carlos III University of Madrid (Spain) that is developing a Process Asset Library (PAL) including concepts about Knowledge Management in order to contribute to generate, acquire, share and distribute knowledge of processes defined in the organization for developing software projects. The technology minimizes the risk of losing essential knowledge to meet goals. It is searching technical collaboration for this project

    Methodological Framework for implementing and evaluating Living Labs

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    A Living Lab constitutes a research approach for innovation that challenges the whole research and innovation process in real-life conditions by human, social, cultural, organizational and institutional aspects having an impact on sustainable service, business and technology development. In this sense, Living Labs are experimentation and validation environments characterized by the early involvement of user communities, closely working together with developers and other stakeholders, and driving rapid cycles of ICT-based innovations. There is a lack of formalized methods for implementing and evaluating Living Labs regarding how Living labs act as innovation environments and what is the impact of such Living labs in creating value for users, stakeholders in the setting where they are established. This methodological framework contributes to the determination of the following issues: • Determine and disseminate the efficient practices for creating and implementing Living Labs. • Determine and assess the relative progress and impacts of living labs and understand the determining factors and processes. • Understand how LL influence their rural and regional environments • Understand the different development patterns of Living Labs and understand the determining factors • Assess the performance of the Living labs as innovation methodolog

    Scalar Field Dark Matter: head-on interaction between two structures

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    In this manuscript we track the evolution of a system consisting of two self-gravitating virialized objects made of a scalar field in the newtonian limit. The Schr\"odinger-Poisson system contains a potential with self-interaction of the Gross-Pitaevskii type for Bose Condensates. Our results indicate that solitonic behavior is allowed in the scalar field dark matter model when the total energy of the system is positive, that is, the two blobs pass through each other as should happen for solitons; on the other hand, there is a true collision of the two blobs when the total energy is negative.Comment: 8 revtex pages, 11 eps figures. v2 matches the published version. v2=v1+ref+minor_change
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