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Prepublicacions
Recull de documents que sintetitzen una recerca original sobre un tema concret dins d’una matèria o camp d’estudi, amb el propòsit d’informar sobre l’estat de la recerca. Ajuden a descobrir noves idees i conceptes i a perfilar línies de recerca. Destaquen els del Centre de Recerca Matemàtica.
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2024-07-19
14:27
19 p, 269.3 KB The dimension of harmonic measure on some AD-regular flat sets of fractional dimension / Tolsa Domènech, Xavier (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
In this paper it is shown that if E⊂Rn+1 is an s-AD regular compact set, with s∈[n−1/2,n), and E is contained in a hyperplane or, more generally, in an n-dimensional C1 manifold, then the Hausdorff dimension of the harmonic measure for the domain Rn+1∖E is strictly smaller than s, i. [...]
2023 - 10.48550/arXiv.2301.04084  
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2024-07-19
14:27
20 p, 273.6 KB The two-phase problem for harmonic measure in VMO and the chord-arc condition / Tolsa Domènech, Xavier (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Toro, Tatiana (University of Washington)
Let Ω+⊂Rn+1 be a bounded δ-Reifenberg flat domain, with δ>0 small enough, possibly with locally infinite surface measure. Assume also that Ω−=Rn+1∖Ω+ is an NTA domain as well and denote by ω+ and ω− the respective harmonic measures of Ω+ and Ω− with poles p± ∈ Ω±. [...]
2024 - 10.48550/arXiv.2209.14346  
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2024-07-05
06:45
26 p, 645.9 KB A stochastic population model with hierarchic size-structure / Barril, Carles (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Calsina i Ballesta, Àngel (Centre de Recerca Matemàtica) ; Farkas, József Z. (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
We consider a hierarchically structured population in which the amount of resources an individual has access to is affected by individuals that are larger, and that the intake of resources by an individual only affects directly the growth rate of the individual. [...]
2024 - 10.48550/arXiv.2404.14035  
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2024-05-28
06:33
27 p, 339.9 KB Dealing with political adversaries and disagreement in contentious politics / Cristancho, Camilo (Universitat Autònoma de Barcelona)
Blame attribution for outcomes of public interest is central to understanding politics as it reflects perceptions of political disagreement. It is an especially decisive matter in protest politics. When dealing with highly divisive issues, demonstrators point to different kinds of actors and in this way they express different views of political dissent. [...]
2015  
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2024-05-14
05:26
31 p, 288.1 KB Discrimination strategies : a case study for credit contracts / Artige, Lionel (Université de Liège) ; Nicolini, Rosella (Universitat Autònoma de Barcelona)
2012 - 10.2139/ssrn.2113379  
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2024-05-14
05:25
37 p, 392.5 KB An Empirical investigation of the EBRD's lending policy (1991-2003) / Artige, Lionel (Université de Liège) ; Nicolini, Rosella (Universitat Autònoma de Barcelona)
The institutional purpose of the European Bank for Reconstruction and Development (EBRD) is to foster the transition towards open market-oriented economics. This paper investigates the lending policy of the bank (during the period 1991-2003) as a practical device to achieve the previous target. [...]
2012 - 10.2139/ssrn.2113377  
Registre complet -
2024-04-25
19:43
31 p, 417.9 KB F. W. J. Schelling "Timeu" (1794). Traducció al català / De Bianchi, Silvia (Universitat Autònoma de Barcelona)
Aquesta traducció del text és un dels resultats del projecte ERC PROTEUS - Paradoxes and Metaphors of Time in Early Universe(s) del qual la Universitat Autònoma de Barcelona ha sigut co-beneficiaria. [...]
2024  
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2024-04-18
05:52
11 p, 13.5 MB Nilut : conditional neural implicit 3d lookup tables for image enhancement / Conde, Marcos V. (University of Wurzburg. Computer Vision Lab) ; Vázquez i Corral, Javier (Universitat Autònoma de Barcelona. Departament de Ciències de la Computació) ; Brown, Michael S. (York University) ; Timofte, Radu (University of Wurzburg. Computer Vision Lab)
3D lookup tables (3D LUTs) are a key component for image enhancement. Modern image signal processors (ISPs) have dedicated support for these as part of the camera rendering pipeline. Cameras typically provide multiple options for picture styles, where each style is usually obtained by applying a unique handcrafted 3D LUT. [...]
2024 - 10.48550/arXiv.2306.11920  
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2024-03-18
10:29
15 p, 2.4 MB Air pollution weakens global spring greening / Wu, Chaoyang (Chinese Academy of Sciences) ; Hua, Hao (Chinese Academy of Sciences) ; Wang, Jian (The Ohio State University) ; Dong, Lingwen (Chinese Academy of Sciences) ; Zohner, Constantin (ETH Zurich) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Wang, Yunqi (Beijing Forestry University) ; Zhou, Yuyu (The University of Hong Kong) ; Peng, Shushi (Peking University) ; Zhu, Zaichun (Peking University) ; Wei, Jing (University of Maryland) ; Yuan, Wenping (Chinese Academy of Sciences) ; Chen, Xiuzhi (Sun Yat-sen University) ; Chen, Lei (Sichuan University) ; Fu, Yongshuo (Beijing Normal University) ; Li, Jialing (Nanjing University) ; Ju, Weimin (Nanjing University) ; Zhou, Yanlian (Nanjing University) ; Liang, Dan (Chinese Academy of Agricultural Sciences) ; Friedlingstein, Pierre (University of Exeter) ; Sitch, Stephen (University of Exeter) ; Guo, Yuming (Monash University) ; Ge, Quansheng (Chinese Academy of Sciences)
Climate change is causing widespread land surface greening in spring1-4, but the impacts of anthropogenic air pollution on these changes remain poorly understood. Using global ground and satellite observations of fine particulate matter ≤ 2. [...]
2024 - 10.21203/rs.3.rs-3868370/v1  
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2024-03-07
16:13
33 p, 7.3 MB Land-use impacts on plant functional diversity throughout Europe / Rosa, Francesca (Institute of Environmental Engineering) ; van Bodegom, Peter (Leiden University. Institute of Environmental Sciences) ; Hellweg, Stefanie (Institute of Environmental Engineering) ; Pfister, Stephan (Institute of Environmental Engineering) ; Biurrun, Idoia (Universidad del País Vasco. Departamento de Biología Vegetal y Ecología) ; Boch, Steffen (WSL Swiss Federal Institute for Forest, Snow and Landscape Research) ; Chytrý, Milan (Masaryk University. Department of Botany and Zoology) ; Ćušterevska, Renata (Ss. Cyril and Methodius University in Skopje. Faculty of Natural Sciences and Mathematics) ; Dalle Fratte, Michele (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Damasceno, Gabriella (German Centre for Integrative Biodiversity Research (iDiv)) ; Garbolino, Emmanuel (Institut Supérieur d'Ingénierie et de Gestion de l'Environnement) ; Lenoir, Jonathan (Université de Picardie Jules Verne) ; Ozinga, Wim (Wageningen University & Research) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Sabatini, Francesco Maria (University of Bologna. Department of Biological, Geological, and Environmental Sciences) ; Schrodt, Franziska (University of Nottingham. School of Geography) ; Uogintas, Domas (Nature Research Centre (Lithuania)) ; Byun, Chaeho (University of the Andes. Department of Civil and Environmental Engineering) ; Doležal, Jiří (University of South Bohemia. Department of Botany, Faculty of Science) ; Dziuba, Tetiana (National Academy of Sciences of Ukraine. Department of Geobotany and Ecology) ; Hérault, Bruno (Centre de coopération internationale en recherche agronomique pour le développement) ; Martín-Forés, Irene (The University of Adelaide. Department of Ecology & Evolutionary Biology) ; Niinemets, Ülo (Estonian University of Life Sciences) ; Peyre, Gwendolyn (University of the Andes. Department of Civil and Environmental Engineering) ; Scherer, Laura (Leiden University. Institute of Environmental Sciences)
The global biodiversity loss resulting from anthropogenic land-use activities is a pressing concern, requiring precise assessments of impacts at large spatial extents. Existing models primarily focus on quantifying impacts on species richness and abundance, often overlooking the ecological relevance of species traits and their contributions to ecosystem functioning. [...]
2024 - 10.1101/2024.02.21.580945  
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