22 research outputs found
The Baum-Connes Conjecture via Localisation of Categories
We redefine the Baum-Connes assembly map using simplicial approximation in
the equivariant Kasparov category. This new interpretation is ideal for
studying functorial properties and gives analogues of the assembly maps for all
equivariant homology theories, not just for the K-theory of the crossed
product. We extend many of the known techniques for proving the Baum-Connes
conjecture to this more general setting
Physical properties of amorphous polyether networks
International audienceDynamical mechanical spectroscopy characterization has been made of cross-linked polyether electrolytes. A good correlation has been observed between the mechanical and thermal data on the glass transition and melting temperatures. Storage modulus dependence with temperature shows an elastomeric behavior of these elctrolytes. The mechanical analysis has shown a real plasticizing effect of the salt at very low concentration
The European Union and natural resources that fund armed conflicts: explaining the EUâs policy choice for supply chain due-diligence requirements
Natural resources can be an important source of funding for warring parties in armed conflicts. Curbing
the trade in these so-called conflict resources is, therefore, part of the European Unionâs (EU) conflict
management policies. The article explores the EUâs policies in this field and asks, specifically, why the
EU is using supply chain due diligence measures to achieve this goal. The author argues they are the
response to enforcement problems of most existing multilateral and unilateral sanction regimes because
of state weakness in the targeted regions. This approach results from a broader idea from the EU that
transparency can improve resource governance and, therefore, safeguard both its political and economic
interests in conflict zones, such as the eastern Democratic Republic of the Congo. However, when the
issue became specificâas in the EU Conflict Minerals Regulationâtranslating this idea into concrete
policies became more contentious as the different actors set different priorities for the final policy design.This work was supported by the EUâs Horizon 2020 research and innovation program [grant number 660245]; and the Spanish Ministry of Economy and Competiveness [grant number CSO2016-79205-P]