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Although the frustrated (zigzag) spin chain is the Drosophila of frustrated magnetism, our understanding of a pair of coupled zigzag chains (frustrated spin ladder) in a magnetic field is still lacking. We address this problem through nuclear magnetic reso ...
Determining appropriate utility specifications for discrete choice models is time-consuming and prone to errors. As the number of possible functions exponentially grows with the variables under consideration, analysts need to spend increasing amounts of ti ...
This thesis presents four essays providing novel empirical and theoretical insights on the incentives and institutional structures that favor knowledge production and diffusion. The first two studies analyze these processes in the realm of scientific resea ...
Social innovation addressing social, economic and environmental challenges are increasingly recognized as crucial drivers of social changes. However, the concept of social innovation remains vague. This paper builds a conceptual framework from an economic ...
Conférence d'Yves Weinand pour le Vernissage du 1er Cahier de l'Ibois. Les Cahiers de l'Ibois sont une initiative éditoriale semestrielle issue du laboratoire de l’EPFL consacré à la construction innovante en bois. Le concept éditorial: Les cahiers de l’Ib ...
Over the past ten years, the Green Economy (GE) concept has gained momentum in both academia and policy-making arenas, leading to international programs in diverse sectors and driving national agendas all over the world. The concept is however highly contr ...
Distributed energy resources like solar panels and wind turbines are increasingly replacing fossil fuel energy sources. Due to their natural fluctuations they cause imbalance in the power grid when their production does not overlap with demand. Thus, there ...
Central to global agreement on carbon emissions are strategic interactions amongst regions over abatement policy and the benefits to be shared. These are re-examined in this paper, in which benefits from mitigation stem from a meta-analysis that links carb ...
Plasma filaments generated by turbulence in the scrape-off layer are sometimes observed in experi- ments and simulations to disconnect from the target plate in the vicinity of the X-point, resulting in a “quiescent zone” with reduced fluctuations, possibly ...
Traffic management for large-scale urban road networks remains a challenging problem. Aggregated dynamical models of city-scale traffic, based on the macroscopic fundamental diagram (MFD), enable development of model-based control schemes for use with the ...
