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  • French
    Authors: 
    Vallas , Sophie;
    Publisher: HAL CCSD
    Country: France

    Published in E-rea (8.2, 2011) : http://erea.revues.org/1737; Foreword to an interview of Jerome Charyn

  • Other research product . Other ORP type . 2015
    French
    Authors: 
    Rollet , Laurent; Bolmont , Étienne; Nabonnand , Philippe;
    Publisher: HAL CCSD
    Country: France

    Images des mathématiques, CNRS

  • English
    Authors: 
    Gibert, Marie;
    Publisher: HAL CCSD
    Country: France

    Editorial for GIS Asie (French Network for Asian Studies); As key places for social mixing and interactions in the city, public spaces occupy a paradoxical position in Vietnam today. While the country seeks a deeper integration within the global economy, Hồ Chí Minh City authorities support the creation of new metropolitan landmarks by launching iconic mega-projects. Thus, the planning of vast public spaces reflects the modernisation of the country and the sought-after status of the city as an emerging metropolis. But, at the same time, the ancient profusion of ordinary forms of public spaces, much more modest in size – and sometimes called “pocket public spaces” – is increasingly threatened. Two factors can be identified. First, as far as urban planning is concerned, massive real estate projects and the construction of heavy infrastructures – such as the metro – justify the progressive disappearance of small open spaces, such as parks, small squares and alleyways. Second, regarding urban regulations, vast state programmes are also launched to “clean” public spaces, directly targeting, and more and more openly, the multiple functions of these inherited spaces and the historic diversity of their daily usages.

  • Open Access French
    Authors: 
    Reversé, Clément;
    Publisher: l'Harmattan
    Country: France

    Les cahiers de la LCD, no. 4

  • English
    Authors: 
    Hollé, Annick;
    Publisher: HAL CCSD
    Country: France

    Légende manuscrite sur le document original : ''Corrosion dans des conglomérats. Plateau de l'Axi Kéfala (près de Candie). '' Géolocalisation : approximative centrée sur le plateau d'Axi Kéfala.

  • English
    Authors: 
    Bruinier, Jan Hendrik; Burgos Gil, José Ignacio; Magnien, Jérémy;
    Publisher: HAL CCSD
    Country: France

    A Shimura variety is a higher-dimensional analogue of a modular curve that arises as a quotient of a Hermitian symmetric space by a congruence subgroup of a reductive algebraic group defined over Q. Shimura varieties have a very rich geometric and arithmetic structure. For instance they are defined over a number field (the reflex field), they have line bundles provided with hermitian metrics that come from a representation of a maximal compact subgroup and sometimes they have models over a localization of a ring of integers coming from a modular interpretation. Open Shimura varieties admit toroidal compactifications, but the mentioned metrized line bundles do not extend to a smoothly metrized line bundle in the compactification, but to a line bundles with logarithmic singular metric. Thus the usual Arakelov geometry can not be applied to them. In this course we will explain how to extend Arakelov theory to cover this class of singular metrics. Important applications of this extended Arakelov theory arise in the context of the Kudla program, which predicts deep connections between the arithmetic geometry of arithmetic special cycles on integral models of orthogonal and unitary Shimura varieties and the theory of Siegel modular forms. These connections lead to (often conjectural) generalizations of results of Gross, Kohnen and Zagier on Heegner divisors on modular curves. We will give an introduction to the Kudla program and discuss some cases where the predictions have been proved.

  • English
    Authors: 
    (Ifpo), Institut Français du Proche-Orient; du Levant, Armée;
    Publisher: HAL CCSD
    Country: France

    18x24 cm, plaque de verre

  • English
    Authors: 
    Pams-Capoccioni, Cicely; Coeur, Denis; Chenier, Dorine; Chazelle, Blandine; Saint-Marc, Cécile; Lang, Michel;
    Publisher: HAL CCSD
    Country: France

    Poster; For the past two centuries, floods have led to serious damage on the railway network and its operation. Taking into consideration extreme floods in conception, maintenance, risk management for railway infrastructures is one of the current issues of the SNCF. SNCF archives about historical data related to flood events which have impacted the railway network are abundant but scattered around the country and unexploited. Gathering those data about floods and damages on railway in France caused by extreme flooding phenomenon is essential for the evaluation and better understanding of the risk. Indeed, this analysis of flood risks would enable its anticipation by setting up an appropriate surveillance, but also to manage the risk on the rail traffic, during and after the event, and finally to improve the network operation. Moreover, a space-time representation of data would present a consistent and chronological vision of events and would enable to determine socio-economic impact of those extreme events. The aim of the collaboration between SNCF and the SARDO SNCF, the BDHI team, IRSTEA, the LIG and ACHTYS Diffusion is on one hand to set up a methodology of flood data identification and assessment that can be found on the SCNF archives and, on the other hand, to develop an innovative work tool for space-time visualisation of historical events. That would enable to enlarge the floods consequences analysis from railway infrastructures damages to socio-economic impacts induced by transport network stakes. This tool will enable to optimize railway maintenance and railway traffic management costs according to the risks, in order to optimize the network operation.

  • French
    Authors: 
    Truc, Marie-Cécile;
    Publisher: HAL CCSD
    Country: France

    Ouvrage de vulgarisation

  • Other research product . Other ORP type . 2019
    French
    Authors: 
    Delacote, Philippe; Leblois, Antoine; Girard, Julia;
    Publisher: HAL CCSD
    Country: France

    Billet publié sur le blog "The Conversation" (https://theconversation.com) le 2 décembre 2018.; Les incendies qui ravagent l’Amazonie (et l’Afrique) depuis plusieurs semaines sont d’une intensité rare. Au-delà du changement climatique qui rend les forêts tropicales plus vulnérables, bon nombre de ces feux sont la conséquence directe de l’expansion agricole et des pratiques d’abattis-brûlis.Chaque année, ce sont des millions d’hectares de terre et de forêt qui disparaissent, convertis en vue de l’expansion agricole et de l’exploitation des ressources forestières. Face à ce fléau, et à l’indifférence affichée du président brésilien Bolsonaro, le G7 réuni à Biarritz le 26 août dernier a décidé l’octroi d’une aide d’urgence de 20 millions de dollars pour favoriser la reforestation ; une aide à moyen terme est également prévue.Ces réponses occultent cependant l’une des causes majeures de la déforestation : la production de matières premières destinées à alimenter les marchés internationaux. C’est elle qui contribue largement à la perte de couvert forestier et à la conversion d’écosystèmes naturels dans les pays producteurs – des pays en voie de développement le plus souvent.En novembre 2018, la France s’est dotée d’une stratégie de lutte contre cette « déforestation importée » (SNDI). Rappelons que cette déforestation spécifique désigne :« L’importation de matières premières ou de produits transformés dont la production a contribué, directement ou indirectement, à la déforestation, à la dégradation des forêts ou à la conversion d’écosystèmes naturels en dehors du territoire national. »Mais la SNDI se donne-t-elle réellement les moyens de ses ambitions ?

Advanced search in
Research products
arrow_drop_down
Searching FieldsTerms
Any field
arrow_drop_down
includes
arrow_drop_down
Include:
9,718 Research products, page 1 of 972
  • French
    Authors: 
    Vallas , Sophie;
    Publisher: HAL CCSD
    Country: France

    Published in E-rea (8.2, 2011) : http://erea.revues.org/1737; Foreword to an interview of Jerome Charyn

  • Other research product . Other ORP type . 2015
    French
    Authors: 
    Rollet , Laurent; Bolmont , Étienne; Nabonnand , Philippe;
    Publisher: HAL CCSD
    Country: France

    Images des mathématiques, CNRS

  • English
    Authors: 
    Gibert, Marie;
    Publisher: HAL CCSD
    Country: France

    Editorial for GIS Asie (French Network for Asian Studies); As key places for social mixing and interactions in the city, public spaces occupy a paradoxical position in Vietnam today. While the country seeks a deeper integration within the global economy, Hồ Chí Minh City authorities support the creation of new metropolitan landmarks by launching iconic mega-projects. Thus, the planning of vast public spaces reflects the modernisation of the country and the sought-after status of the city as an emerging metropolis. But, at the same time, the ancient profusion of ordinary forms of public spaces, much more modest in size – and sometimes called “pocket public spaces” – is increasingly threatened. Two factors can be identified. First, as far as urban planning is concerned, massive real estate projects and the construction of heavy infrastructures – such as the metro – justify the progressive disappearance of small open spaces, such as parks, small squares and alleyways. Second, regarding urban regulations, vast state programmes are also launched to “clean” public spaces, directly targeting, and more and more openly, the multiple functions of these inherited spaces and the historic diversity of their daily usages.

  • Open Access French
    Authors: 
    Reversé, Clément;
    Publisher: l'Harmattan
    Country: France

    Les cahiers de la LCD, no. 4

  • English
    Authors: 
    Hollé, Annick;
    Publisher: HAL CCSD
    Country: France

    Légende manuscrite sur le document original : ''Corrosion dans des conglomérats. Plateau de l'Axi Kéfala (près de Candie). '' Géolocalisation : approximative centrée sur le plateau d'Axi Kéfala.

  • English
    Authors: 
    Bruinier, Jan Hendrik; Burgos Gil, José Ignacio; Magnien, Jérémy;
    Publisher: HAL CCSD
    Country: France

    A Shimura variety is a higher-dimensional analogue of a modular curve that arises as a quotient of a Hermitian symmetric space by a congruence subgroup of a reductive algebraic group defined over Q. Shimura varieties have a very rich geometric and arithmetic structure. For instance they are defined over a number field (the reflex field), they have line bundles provided with hermitian metrics that come from a representation of a maximal compact subgroup and sometimes they have models over a localization of a ring of integers coming from a modular interpretation. Open Shimura varieties admit toroidal compactifications, but the mentioned metrized line bundles do not extend to a smoothly metrized line bundle in the compactification, but to a line bundles with logarithmic singular metric. Thus the usual Arakelov geometry can not be applied to them. In this course we will explain how to extend Arakelov theory to cover this class of singular metrics. Important applications of this extended Arakelov theory arise in the context of the Kudla program, which predicts deep connections between the arithmetic geometry of arithmetic special cycles on integral models of orthogonal and unitary Shimura varieties and the theory of Siegel modular forms. These connections lead to (often conjectural) generalizations of results of Gross, Kohnen and Zagier on Heegner divisors on modular curves. We will give an introduction to the Kudla program and discuss some cases where the predictions have been proved.

  • English
    Authors: 
    (Ifpo), Institut Français du Proche-Orient; du Levant, Armée;
    Publisher: HAL CCSD
    Country: France

    18x24 cm, plaque de verre

  • English
    Authors: 
    Pams-Capoccioni, Cicely; Coeur, Denis; Chenier, Dorine; Chazelle, Blandine; Saint-Marc, Cécile; Lang, Michel;
    Publisher: HAL CCSD
    Country: France

    Poster; For the past two centuries, floods have led to serious damage on the railway network and its operation. Taking into consideration extreme floods in conception, maintenance, risk management for railway infrastructures is one of the current issues of the SNCF. SNCF archives about historical data related to flood events which have impacted the railway network are abundant but scattered around the country and unexploited. Gathering those data about floods and damages on railway in France caused by extreme flooding phenomenon is essential for the evaluation and better understanding of the risk. Indeed, this analysis of flood risks would enable its anticipation by setting up an appropriate surveillance, but also to manage the risk on the rail traffic, during and after the event, and finally to improve the network operation. Moreover, a space-time representation of data would present a consistent and chronological vision of events and would enable to determine socio-economic impact of those extreme events. The aim of the collaboration between SNCF and the SARDO SNCF, the BDHI team, IRSTEA, the LIG and ACHTYS Diffusion is on one hand to set up a methodology of flood data identification and assessment that can be found on the SCNF archives and, on the other hand, to develop an innovative work tool for space-time visualisation of historical events. That would enable to enlarge the floods consequences analysis from railway infrastructures damages to socio-economic impacts induced by transport network stakes. This tool will enable to optimize railway maintenance and railway traffic management costs according to the risks, in order to optimize the network operation.

  • French
    Authors: 
    Truc, Marie-Cécile;
    Publisher: HAL CCSD
    Country: France

    Ouvrage de vulgarisation

  • Other research product . Other ORP type . 2019
    French
    Authors: 
    Delacote, Philippe; Leblois, Antoine; Girard, Julia;
    Publisher: HAL CCSD
    Country: France

    Billet publié sur le blog "The Conversation" (https://theconversation.com) le 2 décembre 2018.; Les incendies qui ravagent l’Amazonie (et l’Afrique) depuis plusieurs semaines sont d’une intensité rare. Au-delà du changement climatique qui rend les forêts tropicales plus vulnérables, bon nombre de ces feux sont la conséquence directe de l’expansion agricole et des pratiques d’abattis-brûlis.Chaque année, ce sont des millions d’hectares de terre et de forêt qui disparaissent, convertis en vue de l’expansion agricole et de l’exploitation des ressources forestières. Face à ce fléau, et à l’indifférence affichée du président brésilien Bolsonaro, le G7 réuni à Biarritz le 26 août dernier a décidé l’octroi d’une aide d’urgence de 20 millions de dollars pour favoriser la reforestation ; une aide à moyen terme est également prévue.Ces réponses occultent cependant l’une des causes majeures de la déforestation : la production de matières premières destinées à alimenter les marchés internationaux. C’est elle qui contribue largement à la perte de couvert forestier et à la conversion d’écosystèmes naturels dans les pays producteurs – des pays en voie de développement le plus souvent.En novembre 2018, la France s’est dotée d’une stratégie de lutte contre cette « déforestation importée » (SNDI). Rappelons que cette déforestation spécifique désigne :« L’importation de matières premières ou de produits transformés dont la production a contribué, directement ou indirectement, à la déforestation, à la dégradation des forêts ou à la conversion d’écosystèmes naturels en dehors du territoire national. »Mais la SNDI se donne-t-elle réellement les moyens de ses ambitions ?

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