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  • Open Access English
    Authors: 
    Molineaux, Benoît; Ineichen, Pierre; Delaunay, Jean-Jacques;
    Country: Switzerland

    Atmospheric turbidity is shown to have a major influence on direct luminous efficacy. Based on this observation a physical direct luminous efficacy model is derived from spectrally integrated turbidity equations. Two independent data banks are used to validate this model in comparison to state of the art direct luminous efficacy models found in the literature. Atmospheric turbidity is estimated from horizontal visibility measurements.

  • Publication . Part of book or chapter of book . 2011
    Open Access English
    Authors: 
    Kovari, Eniko Veronika; Bouras, Constantin;
    Publisher: Medimond (Bologna, Italy)
    Country: Switzerland
  • Open Access English
    Authors: 
    Anderson, Joël Raymond;
    Publisher: In Science Press (Lisboa)
    Country: Switzerland

    Religion plays a vital role in the formation of communities and the interaction of cultures, yet is largely ignored in psychological texts. Contemporary religious trends across the globe are rapidly changing. For example, less people are adhering to traditional forms of religious practice, Atheism and secular beliefs are becoming increasingly common and valid, and acts of terror are commonly perceived as motivated by religion. This chapter discusses the operationalization of religion as a variable in scientific research (i.e., religious affiliation vs. use of religion in daily life) before discussing how this operationalization impacts our existing understanding of the relationship between religion and intra- (e.g., coping, personal decision making) and inter-personal (e.g., attitudes and behaviours towards outgroup members) psychological processes. The chapter closes with a discussion of challenges for the future of this field and recommendations for the measurement of this complex variable.

  • Open Access English
    Authors: 
    Fachard, Alexandre;
    Publisher: Literary Encyclopedia
    Country: Switzerland
  • Publication . Conference object . Part of book or chapter of book . 2002
    Open Access English
    Authors: 
    Giovanni Santin; D Strul; D. Lazaro; Luc Simon; M. Krieguer; M. Vieira Martins; Vincent Breton; C. Morel;
    Publisher: HAL CCSD
    Country: France
    Project: SNSF | Design and construction o... (63870)

    GATE, the Geant4 Application for Tomographic Emission, is a simulation platform developed for PET and SPECT. It combines a powerful simulation core (the Geant4 toolkit) and a large range of developments dedicated to nuclear medicine. In particular, it models the passing of time during real acquisitions, allowing to handle dynamic systems such as decaying source distributions or moving detectors. We present several series of results that illustrate the possibilities of this new platform. The simulation of decaying sources is illustrated on a dual-isotope acquisition with multiple time-frames. Count rate curves taking into account random coincidences and dead-time are shown for a dual-crystal set-up and for a small-animal PET scanner configuration. Simulated resolution curves and reconstructed images are shown for rotating PET scanners. Lastly, we present comparisons of simulated point-spread functions and spectra with experimental results obtained from a small-animal gamma camera prototype.

  • Open Access English
    Authors: 
    Boisson de Chazournes, Laurence;
    Publisher: Kluwer Law International (Alphen aan den Rijn)
    Country: Switzerland
  • Publication . Part of book or chapter of book . 2006
    Open Access English
    Authors: 
    Hairer, Ernst;
    Publisher: Cambridge University Press (Cambridge)
    Country: Switzerland

    This article discusses the energy conservation of a wide class of numerical integrators applied to Hamiltonian systems. It surveys known material by various illustrations, and it also contains more recent and new results.

  • Publication . Part of book or chapter of book . 2010
    Open Access English
    Authors: 
    Loizeau, Jean-Luc; Zhmud, Michael;
    Country: Switzerland
  • Publication . Part of book or chapter of book . 2016
    Open Access English
    Authors: 
    Sonia Mandin; Marina De Simone; Sophie Soury-Lavergne;
    Publisher: HAL CCSD
    Countries: Switzerland, France

    International audience; We study how elementary school pupils give sense to the moves of a mobile robot in a mathematical game. The game consists in choosing 3 numbers out of 6, whose sum is a given target number. The robot moves on a game board have been implemented to provide pupils with a tangible feedback about their answer. We have studied strategies of pupils to solve the problem and their evolution. Our methodology included interviews, aloud verbalization and video observations of 28 pupils in grade 1 and 2 while they are playing. The pursuit of a mastery goal encourages a trial and error strategy for only some of the pupils. We conclude that some aspects of the moves of the robot, like its position, are perceived as a form of help and not as a threat, even if they are only partially understood.

  • Open Access English
    Authors: 
    Loïc Riom;
    Publisher: HAL CCSD
    Countries: Switzerland, France

    International audience; Globalization through individualization together with an increase of translocal relations has opened up new ways of identification. Music as a set of symbolic elements enables this identification process. Indie rock as a globalized musical genre is a fruitful field that gives insight into understanding how individuals adopt and adapt a musical style. The aim of this research is to describe how indie rock bands are situated in Switzerland within the indie rock genre, and how they get in contact and identify with it. This research is based on 15 individual interviews conducted with members of six different Swiss indie bands. The results show that these bands uphold translocal identification with the international musical genre through, among others, the generalized use of English as the language of indie rock. However, since only few of them have connections abroad, this translocal identification is mainly mediated through the consumption of both live and recorded music from international artists. Due to this peripheral position, these bands are unable to play a significant role within the indie rock scene. Their music is, so to say, internationally inspired but locally produced. In this context, they are still very dependent on their geographical environment considered as a space of experience and resource. Yet, local identity does not seem to be claimed neither is the feeling of belonging to a local scene. This research shows that indie rock has to be understood through the lense of a rhizomic phenomenon, which is being constantly adapted by individuals through a variety of mediators. Moreover it challenges the idea of a local scene by showing how it is socially constructed.

search
Include:
3,240 Research products, page 1 of 324
  • Open Access English
    Authors: 
    Molineaux, Benoît; Ineichen, Pierre; Delaunay, Jean-Jacques;
    Country: Switzerland

    Atmospheric turbidity is shown to have a major influence on direct luminous efficacy. Based on this observation a physical direct luminous efficacy model is derived from spectrally integrated turbidity equations. Two independent data banks are used to validate this model in comparison to state of the art direct luminous efficacy models found in the literature. Atmospheric turbidity is estimated from horizontal visibility measurements.

  • Publication . Part of book or chapter of book . 2011
    Open Access English
    Authors: 
    Kovari, Eniko Veronika; Bouras, Constantin;
    Publisher: Medimond (Bologna, Italy)
    Country: Switzerland
  • Open Access English
    Authors: 
    Anderson, Joël Raymond;
    Publisher: In Science Press (Lisboa)
    Country: Switzerland

    Religion plays a vital role in the formation of communities and the interaction of cultures, yet is largely ignored in psychological texts. Contemporary religious trends across the globe are rapidly changing. For example, less people are adhering to traditional forms of religious practice, Atheism and secular beliefs are becoming increasingly common and valid, and acts of terror are commonly perceived as motivated by religion. This chapter discusses the operationalization of religion as a variable in scientific research (i.e., religious affiliation vs. use of religion in daily life) before discussing how this operationalization impacts our existing understanding of the relationship between religion and intra- (e.g., coping, personal decision making) and inter-personal (e.g., attitudes and behaviours towards outgroup members) psychological processes. The chapter closes with a discussion of challenges for the future of this field and recommendations for the measurement of this complex variable.

  • Open Access English
    Authors: 
    Fachard, Alexandre;
    Publisher: Literary Encyclopedia
    Country: Switzerland
  • Publication . Conference object . Part of book or chapter of book . 2002
    Open Access English
    Authors: 
    Giovanni Santin; D Strul; D. Lazaro; Luc Simon; M. Krieguer; M. Vieira Martins; Vincent Breton; C. Morel;
    Publisher: HAL CCSD
    Country: France
    Project: SNSF | Design and construction o... (63870)

    GATE, the Geant4 Application for Tomographic Emission, is a simulation platform developed for PET and SPECT. It combines a powerful simulation core (the Geant4 toolkit) and a large range of developments dedicated to nuclear medicine. In particular, it models the passing of time during real acquisitions, allowing to handle dynamic systems such as decaying source distributions or moving detectors. We present several series of results that illustrate the possibilities of this new platform. The simulation of decaying sources is illustrated on a dual-isotope acquisition with multiple time-frames. Count rate curves taking into account random coincidences and dead-time are shown for a dual-crystal set-up and for a small-animal PET scanner configuration. Simulated resolution curves and reconstructed images are shown for rotating PET scanners. Lastly, we present comparisons of simulated point-spread functions and spectra with experimental results obtained from a small-animal gamma camera prototype.

  • Open Access English
    Authors: 
    Boisson de Chazournes, Laurence;
    Publisher: Kluwer Law International (Alphen aan den Rijn)
    Country: Switzerland
  • Publication . Part of book or chapter of book . 2006
    Open Access English
    Authors: 
    Hairer, Ernst;
    Publisher: Cambridge University Press (Cambridge)
    Country: Switzerland

    This article discusses the energy conservation of a wide class of numerical integrators applied to Hamiltonian systems. It surveys known material by various illustrations, and it also contains more recent and new results.

  • Publication . Part of book or chapter of book . 2010
    Open Access English
    Authors: 
    Loizeau, Jean-Luc; Zhmud, Michael;
    Country: Switzerland
  • Publication . Part of book or chapter of book . 2016
    Open Access English
    Authors: 
    Sonia Mandin; Marina De Simone; Sophie Soury-Lavergne;
    Publisher: HAL CCSD
    Countries: Switzerland, France

    International audience; We study how elementary school pupils give sense to the moves of a mobile robot in a mathematical game. The game consists in choosing 3 numbers out of 6, whose sum is a given target number. The robot moves on a game board have been implemented to provide pupils with a tangible feedback about their answer. We have studied strategies of pupils to solve the problem and their evolution. Our methodology included interviews, aloud verbalization and video observations of 28 pupils in grade 1 and 2 while they are playing. The pursuit of a mastery goal encourages a trial and error strategy for only some of the pupils. We conclude that some aspects of the moves of the robot, like its position, are perceived as a form of help and not as a threat, even if they are only partially understood.

  • Open Access English
    Authors: 
    Loïc Riom;
    Publisher: HAL CCSD
    Countries: Switzerland, France

    International audience; Globalization through individualization together with an increase of translocal relations has opened up new ways of identification. Music as a set of symbolic elements enables this identification process. Indie rock as a globalized musical genre is a fruitful field that gives insight into understanding how individuals adopt and adapt a musical style. The aim of this research is to describe how indie rock bands are situated in Switzerland within the indie rock genre, and how they get in contact and identify with it. This research is based on 15 individual interviews conducted with members of six different Swiss indie bands. The results show that these bands uphold translocal identification with the international musical genre through, among others, the generalized use of English as the language of indie rock. However, since only few of them have connections abroad, this translocal identification is mainly mediated through the consumption of both live and recorded music from international artists. Due to this peripheral position, these bands are unable to play a significant role within the indie rock scene. Their music is, so to say, internationally inspired but locally produced. In this context, they are still very dependent on their geographical environment considered as a space of experience and resource. Yet, local identity does not seem to be claimed neither is the feeling of belonging to a local scene. This research shows that indie rock has to be understood through the lense of a rhizomic phenomenon, which is being constantly adapted by individuals through a variety of mediators. Moreover it challenges the idea of a local scene by showing how it is socially constructed.

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