lourde erreur de V.Hugo qui avait écrit : "Le XVIIIe siècle a proclamé le droit de l'homme : le XIXe siècle proclamera le droit de la femme." La femme a été écartée de la vie politique par la Révolution et soumise étroitement au père et au mari par le Code civil. En 1848 fleurissent les clubs féministesChristine Bard 1 : « Femmes et politique mais aussi Politique et femmes : c’est une relation double qu’il faut étudier, les femmes étant à la fois actrices et agies en politique. Privées du droit de voter et d’être élues jusqu’en 1944, nombre d’entre elles se considèrent pourtant comme des citoyennes. Elles ont été de tous les grands moments révolutionnaires [...] »droit de vote seulement par ordonnance 21 avril 1944 :1 Chr.Bard, Les femmes dans la société française au 20e siècle, Armand Colin, coll. U, 2001, 240 p., réédition, 2003, 285 p., p. 83. retard français, alors que suffrage universel masculin plus tôt ! Et que des femmes (communautés relig., femmes possédant des fiefs) ont voté pour États généraux 1789 ! - éligibilité en même tempsmais tout ne se réduit pas au droit de vote, de même que la politique ne concerne pas seulement les milieux politiques mais tous les pouvoirs publics, cf. cours « Démographie française vue par les pouvoirs publics » DEUG
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handle: 10261/209191
Energy is essential for almost all of the great challenges and opportunities that humankind faces today. However, energy is the main contributor to climate change, and accounts for around 60% of all global greenhouse gas emissions. In 2015, all of the United Nations Member States accepted the 2030 Agenda on Sustainable Development, an opportunity for countries and their societies to take action so as to improve the lives of all of the world's inhabitants. In this sense, one of the targets of the Agenda is to, by 2030, substantially increase the share of renewable energy in the global energy mix, and to achieve the sustainable management and efficient use of natural resources. In general, the processes of the synthesis and transformation of materials demand an extraordinary energy input in order to reach the high temperature required to complete the different chemical and physical reactions involved. This energy requirement is mainly provided from fossil fuels, with the consequent environmental costs derived from the high emissions of greenhouse gasses. Thus, nowadays, the level of concentration of CO2 into the atmosphere exceeds of 400 ppm. During the last decades, studies have been carried out to reduce the high level of CO2 emissions by developing new high-temperature processes. A large number of technologies are available for producing heat from renewable resources, but many of them have technological limits in terms of the maximum temperature that can be achieved. Nevertheless, concentrating solar thermal radiation is a very promising renewable energy resource for the processes requiring temperatures of about 500 °C and above. For this Special Issue on “Concentrated Solar Energy”, researchers can report their findings on the application of concentrating solar thermal radiation to the synthesis, transformation, and treatment (melting, sintering, reduction, etc.) of materials (metals, alloys, steel, glass, ceramics, cement, composites, etc.). Given your reputed experience in this field, and the outstanding impact of your previous publications, we would very much appreciate your contribution in this Special Issue of ChemEngineering.
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doi: 10.5446/63391
Finding lattices in PU(n,1) has been one of the major challenges of the last decades. One way of constructing a lattice is to give a fundamental domain for its action on the complex hyperbolic space. One approach, successful for some lattices, consists of seeing the complex hyperbolic space as the configuration space of cone metrics on the sphere and of studying the action of some maps exchanging the cone points with same cone angle. In this talk we will see how this construction can be used to build fundamental polyhedra for all Deligne-Mostow lattices in PU(2,1).
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ispartof: Dag van de doctorandi / PhD day location:Leuven, Belgium date:6 Sep - 6 Sep 2013 status: published
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ispartof: Schweizer Symposium zur Integration von Mental Health in die Physiotherapie location:St Gallen, Switzerland status: published
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ispartof: Ronde Tafel Arbeidszorg location:online date:20 Sep - 20 Sep 2021 Invited lecture, invited by: Ronde Tafel Arbeidszorg status: Published online
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Broken magnetic symmetry is a key aspect in condensed matter physics and in particular in magnetism. It results in the appearance of chiral effects, e.g. topological Hall effect [1] and non-collinear magnetic textures including chiral domain walls and skyrmions [2,3]. These chiral structures are in the heart of novel concepts for magnonics [4], antiferromagnetic spintronics [5], spin-orbitronics [6] and oxitronics [7]. The main origin of the chiral symmetry breaking and thus for the magnetochiral effects in magnetic materials is associated to an antisymmetric exchange interaction, the intrinsic Dzaloshinskii-Moriya interaction (DMI). At present, tailoring of DMI is done rather conventionally by optimizing materials, either doping a bulk single crystal or adjusting interface properties of thin films and multilayers. A viable alternative to the conventional material screening approach can be the exploration of the interplay between geometry and topology. This interplay is of fundamental interest throughout many disciplines in condensed matter physics, including thin layers of superconductors [8] and superfluids [9], nematic liquid crystals [10], cell membranes [11], semiconductors [12]. In the emergent field of curvilinear magnetism chiral effects are associated to the geometrically broken inversion symmetries [13]. Those appear in curvilinear architectures of even conventional materials. There are numerous exciting theoretical predictions of exchange- and magnetostatically-driven curvature effects, which do not rely on any specific modification of the intrinsic magnetic properties, but allow to create non-collinear magnetic textures in a controlled manner by tailoring local curvatures and shapes [14,15]. Until now the predicted chiral effects due to curvatures remained a neat theoretical abstraction. [1] N. Nagaosa, et al., Nature Nanotech. 8, 899 (2013) [2] U. K. Rößler, et al., Nature 442, 797 (2006) [3] A. Fert, et al., Nature Rev. Mat. 2, 17031 (2017) [4] A. V. Chumak, et al., Nature Physics 11, 453 (2015) [5] T. Jungwirth, et al., Nature Nanotech. 11, 231 (2016) [6] I. M. Miron, et al., Nature 476, 189 (2011) [7] V. Garcia, et al., Nature 460, 81 (2009) [8] J. Tempere, et al., Phys. Rev. B 79, 134516 (2009) [9] H. Kuratsuji, Phys. Rev. E 85, 031150 (2012) [10] T. Lopez-Leon, et al., Nature Physics 7, 391 (2011) [11] H. T. McMahon, et al., Nature 438, 590 (2005) [12] C. Ortix, Phys. Rev. B 91, 245412 (2015) [13] Y. Gaididei, et al., Phys. Rev. Lett. 112, 257203 (2014) [14] J. A. Otálora, et al., Phys. Rev. Lett. 117, 227203 (2016) [15] V. P. Kravchuk, et al., Phys. Rev. Lett. 120, 067201 (2018)
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ispartof: EAPRIL location:Biel, Switzerland date:27 Nov - 29 Nov 2013 status: accepted
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doi: 10.5446/57450
Coupling models or coupling codes: two examples where the coupled model has better properties than each model. In a simple setting (1d in space), a model of porous media (which is characterized by a degenerate parabolic equation) is coupled with the behavior of the medium, the resulting system is a non degenerate heat equation. Similarly, the diffusion equation of neutronics, which coefficients depend on the local temperature of the nuclear core, is (classically) an eigenvalue problem, with infinitely many eigenvalues. Coupled with the equation for the local temperature yields a unique solution.
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lourde erreur de V.Hugo qui avait écrit : "Le XVIIIe siècle a proclamé le droit de l'homme : le XIXe siècle proclamera le droit de la femme." La femme a été écartée de la vie politique par la Révolution et soumise étroitement au père et au mari par le Code civil. En 1848 fleurissent les clubs féministesChristine Bard 1 : « Femmes et politique mais aussi Politique et femmes : c’est une relation double qu’il faut étudier, les femmes étant à la fois actrices et agies en politique. Privées du droit de voter et d’être élues jusqu’en 1944, nombre d’entre elles se considèrent pourtant comme des citoyennes. Elles ont été de tous les grands moments révolutionnaires [...] »droit de vote seulement par ordonnance 21 avril 1944 :1 Chr.Bard, Les femmes dans la société française au 20e siècle, Armand Colin, coll. U, 2001, 240 p., réédition, 2003, 285 p., p. 83. retard français, alors que suffrage universel masculin plus tôt ! Et que des femmes (communautés relig., femmes possédant des fiefs) ont voté pour États généraux 1789 ! - éligibilité en même tempsmais tout ne se réduit pas au droit de vote, de même que la politique ne concerne pas seulement les milieux politiques mais tous les pouvoirs publics, cf. cours « Démographie française vue par les pouvoirs publics » DEUG
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handle: 10261/209191
Energy is essential for almost all of the great challenges and opportunities that humankind faces today. However, energy is the main contributor to climate change, and accounts for around 60% of all global greenhouse gas emissions. In 2015, all of the United Nations Member States accepted the 2030 Agenda on Sustainable Development, an opportunity for countries and their societies to take action so as to improve the lives of all of the world's inhabitants. In this sense, one of the targets of the Agenda is to, by 2030, substantially increase the share of renewable energy in the global energy mix, and to achieve the sustainable management and efficient use of natural resources. In general, the processes of the synthesis and transformation of materials demand an extraordinary energy input in order to reach the high temperature required to complete the different chemical and physical reactions involved. This energy requirement is mainly provided from fossil fuels, with the consequent environmental costs derived from the high emissions of greenhouse gasses. Thus, nowadays, the level of concentration of CO2 into the atmosphere exceeds of 400 ppm. During the last decades, studies have been carried out to reduce the high level of CO2 emissions by developing new high-temperature processes. A large number of technologies are available for producing heat from renewable resources, but many of them have technological limits in terms of the maximum temperature that can be achieved. Nevertheless, concentrating solar thermal radiation is a very promising renewable energy resource for the processes requiring temperatures of about 500 °C and above. For this Special Issue on “Concentrated Solar Energy”, researchers can report their findings on the application of concentrating solar thermal radiation to the synthesis, transformation, and treatment (melting, sintering, reduction, etc.) of materials (metals, alloys, steel, glass, ceramics, cement, composites, etc.). Given your reputed experience in this field, and the outstanding impact of your previous publications, we would very much appreciate your contribution in this Special Issue of ChemEngineering.
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doi: 10.5446/63391
Finding lattices in PU(n,1) has been one of the major challenges of the last decades. One way of constructing a lattice is to give a fundamental domain for its action on the complex hyperbolic space. One approach, successful for some lattices, consists of seeing the complex hyperbolic space as the configuration space of cone metrics on the sphere and of studying the action of some maps exchanging the cone points with same cone angle. In this talk we will see how this construction can be used to build fundamental polyhedra for all Deligne-Mostow lattices in PU(2,1).
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ispartof: Dag van de doctorandi / PhD day location:Leuven, Belgium date:6 Sep - 6 Sep 2013 status: published
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ispartof: Schweizer Symposium zur Integration von Mental Health in die Physiotherapie location:St Gallen, Switzerland status: published
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ispartof: Ronde Tafel Arbeidszorg location:online date:20 Sep - 20 Sep 2021 Invited lecture, invited by: Ronde Tafel Arbeidszorg status: Published online