Institution
Paris Dauphine University
Education•Paris, France•
About: Paris Dauphine University is a education organization based out in Paris, France. It is known for research contribution in the topics: Context (language use) & Population. The organization has 1766 authors who have published 6909 publications receiving 162747 citations. The organization is also known as: Paris Dauphine & Dauphine.
Topics: Context (language use), Population, Approximation algorithm, Bounded function, Nonlinear system
Papers published on a yearly basis
Papers
More filters
••
TL;DR: In this paper, an overview of some mathematical results, which provide elements of rigorous basis for some multiscale computations in materials science, is presented, focusing on atomistic to continuum limits for crystalline materials.
Abstract: The present article is an overview of some mathematical results, which provide elements of rigorous basis for some multiscale computations in materials science. The emphasis is laid upon atomistic to continuum limits for crystalline materials. Various mathematical approaches are addressed. The setting is stationary. The relation to existing techniques used in the engineering literature is investigated.
83 citations
••
TL;DR: In this paper, a generalization of the Neumann-Neumann algorithm for advection-diffusion problems is proposed, where the original Neumann conditions are replaced by suitable Robin conditions.
83 citations
••
TL;DR: The Carbon Monitor near-real-time CO 2 emission dataset shows a 8.8% decline inCO 2 emissions globally from January 1 to June 30 th in 2020 when compared with the same period in 2019 and detects a regrowth of CO 2 emissions by late April, which is mainly attributed to the recovery of economic activities in China and a partial easing of lockdowns in other countries.
Abstract: We constructed a near-real-time daily CO2 emission dataset, the Carbon Monitor, to monitor the variations in CO2 emissions from fossil fuel combustion and cement production since January 1, 2019, at the national level, with near-global coverage on a daily basis and the potential to be frequently updated. Daily CO2 emissions are estimated from a diverse range of activity data, including the hourly to daily electrical power generation data of 31 countries, monthly production data and production indices of industry processes of 62 countries/regions, and daily mobility data and mobility indices for the ground transportation of 416 cities worldwide. Individual flight location data and monthly data were utilized for aviation and maritime transportation sector estimates. In addition, monthly fuel consumption data corrected for the daily air temperature of 206 countries were used to estimate the emissions from commercial and residential buildings. This Carbon Monitor dataset manifests the dynamic nature of CO2 emissions through daily, weekly and seasonal variations as influenced by workdays and holidays, as well as by the unfolding impacts of the COVID-19 pandemic. The Carbon Monitor near-real-time CO2 emission dataset shows a 8.8% decline in CO2 emissions globally from January 1st to June 30th in 2020 when compared with the same period in 2019 and detects a regrowth of CO2 emissions by late April, which is mainly attributed to the recovery of economic activities in China and a partial easing of lockdowns in other countries. This daily updated CO2 emission dataset could offer a range of opportunities for related scientific research and policy making.
83 citations
••
TL;DR: In this paper, the authors conjecture that organizational actors, through their actions, create their own context, and that the context tends to develop a dynamic of its own, which escapes the control of the organizational actors.
Abstract: In this article we conjecture that organizational actors, through their actions, create their own context. Once initiated, the context tends to develop a dynamic of its own, which escapes the control of the organizational actors. In con sequence, the context becomes the determining factor of the actors' initiatives. Voluntarism has created its own determinism which will eventually shape the organizational actors' futures. To illustrate our view, we study a crisis which we believe may exemplify a situation induced and perpetuated by the same organizational actors who tried to handle it. To support this thesis, we attempt to show that the observed crisis is chaotic. Our results reveal that deterministic chaos cannot be rejected as an explanation of the dynamics of the situation. The crisis exhibits an apparently random behaviour which, we believe, is deter ministically created through tightly coupled actions and dynamic interactions among actors. Once in the chaotic state, actors cannot control the process ...
83 citations
••
02 Jun 2013TL;DR: In this article, a generalization of discrete optimal transport that includes a regularity penalty and a relaxation of the bijectivity constraint is proposed to solve large scale image color transfer problems.
Abstract: This article introduces a generalization of discrete Optimal Transport that includes a regularity penalty and a relaxation of the bijectivity constraint. The corresponding transport plan is solved by minimizing an energy which is a convexification of an integer optimization problem. We propose to use a proximal splitting scheme to perform the minimization on large scale imaging problems. For un-regularized relaxed transport, we show that the relaxation is tight and that the transport plan is an assignment. In the general case, the regularization prevents the solution from being an assignment, but we show that the corresponding map can be used to solve imaging problems. We show an illustrative application of this discrete regularized transport to color transfer between images. This imaging problem cannot be solved in a satisfying manner without relaxing the bijective assignment constraint because of mass variation across image color palettes. Furthermore, the regularization of the transport plan helps remove colorization artifacts due to noise amplification.
83 citations
Authors
Showing all 1819 results
Name | H-index | Papers | Citations |
---|---|---|---|
Pierre-Louis Lions | 98 | 283 | 57043 |
Laurent D. Cohen | 94 | 417 | 42709 |
Chris Bowler | 87 | 288 | 35399 |
Christian P. Robert | 75 | 535 | 36864 |
Albert Cohen | 71 | 368 | 19874 |
Gabriel Peyré | 65 | 303 | 16403 |
Kerrie Mengersen | 65 | 737 | 20058 |
Nader Masmoudi | 62 | 245 | 10507 |
Roland Glowinski | 61 | 393 | 20599 |
Jean-Michel Morel | 59 | 302 | 29134 |
Nizar Touzi | 57 | 224 | 11018 |
Jérôme Lang | 57 | 277 | 11332 |
William L. Megginson | 55 | 169 | 18087 |
Alain Bensoussan | 55 | 417 | 22704 |
Yves Meyer | 53 | 128 | 14604 |