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Resultados globales: 74 registros encontrados en 0.02 segundos.
Artículos, Encontrados 61 registros
Documentos de investigación, Encontrados 13 registros
Artículos Encontrados 61 registros  1 - 10siguientefinal  ir al registro:
1.
32 p, 569.4 KB Short Loop Decompositions of Surfaces and the Geometry of Jacobians / Balacheff, Florent Nicolas (Université de Lille. Laboratoire Paul Painlevé) ; Parlier, Hugo (University of Fribourg. Department of Mathematics) ; Sabourau, Stéphane (Université Paris-Est Créteil. Laboratoire d'Analyse et de Mathématiques, Appliquées)
Given a Riemannian surface, we consider a naturally embedded graph which captures part of the topology and geometry of the surface. By studying this graph, we obtain results in three different directions. [...]
2012 - 10.1007/s00039-012-0147-x
Geometric and Functional Analysis, Vol. 22, Issue 1 (February 2012) , p. 37-73  
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2.
Soil fauna effects on litter decomposition are better predicted by fauna communities within litterbags than by ambient soil fauna communities / Peng, Yan (Fujian Normal University. School of Geographical Sciences) ; Vesterdal, Lars (University of Copenhagen. Department of Geosciences and Natural Resource Management) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Peguero, Guille (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Wu, Qiqian (Zhejiang A&F University. State Key Laboratory of Subtropical Silviculture) ; Heděnec, Petr (University Malaysia Terengganu. Institute of Tropical Biodiversity and Sustainable Development) ; Yue, Kai (Fujian Normal University. School of Geographical Sciences) ; Wu, Fuzhong (Fujian Normal University. School of Geographical Sciences)
Aims:soil fauna is one of the major drivers of plant litter decomposition. This study aims to assess how soil fauna density and diversity may affect litter decomposition. Also, we assessed whether faunal communities inside the litterbags that are used to control the access of faunal groups or communities in ambient soils are better for predicting their effects on litter decomposition, given that soil fauna frequently move into and out of such litterbags. [...]
2023 - 10.1007/s11104-023-05902-1
Plant and Soil, Vol. 487 (June 2023) , p. 49-59  
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25 p, 757.4 KB Group- and individual-based approaches to health inequality : towards an integration / Permanyer, Iñaki (Centre d'Estudis Demogràfics) ; Sasson, Isaac (Tel Aviv University) ; Villavicencio, Francisco (Universitat de Barcelona)
When assessing health inequalities, should one compare health outcomes across predetermined groups (e. g. , race, ethnicity, socioeconomic status), or across individuals? Group-based approaches comparing group-specific means do not account for intra-group heterogeneity. [...]
2023 - 10.1093/jrsssa/qnac001
Journal of the Royal Statistical Society Series A: Statistics in Society, 2023, p. 1-24  
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4.
17 p, 5.1 MB Shifts in the Abundances of Saprotrophic and Ectomycorrhizal Fungi With Altered Leaf Litter Inputs / Marañón Jiménez, Sara (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Radujkovic, Dajana (University of Antwerp. Department of Biology) ; Verbruggen, Erik (University of Antwerp. Department of Biology) ; Grau Fernández, Oriol (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Cuntz, Matthias (Université de Lorraine) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Richter, Andreas (Universität Wien. Department of Microbiology and Ecosystem Science) ; Schrumpf, Marion (Max Planck Institute for Biogeochemistry) ; Rebmann, Corinna (UFZ-Helmholtz Centre for Environmental Research)
Ectomycorrhizal (EcM) and saprotrophic fungi interact in the breakdown of organic matter, but the mechanisms underlying the EcM role on organic matter decomposition are not totally clear. We hypothesized that the ecological relations between EcM and saprotroph fungi are modulated by resources availability and accessibility, determining decomposition rates. [...]
2021 - 10.3389/fpls.2021.682142
Frontiers in plant science, Vol. 12 (July 2021) , art. 682142  
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5.
19 p, 1.7 MB The determinants of the inequality in CO2 emissions per capita between developing countries and their implications for environmental policy / Padilla, Emilio (Universitat Autònoma de Barcelona. Departament d'Economia Aplicada) ; Jadotte, Evans (Banc Mundial)
We analyze the differences in CO emissions from fuel combustion per capita between developing countries and how these are influenced by a series of affluence, structural, demographic, and climatic variables. [...]
2022 - 10.1002/sd.2380
Sustainable Development, October (2022)  
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6.
3 p, 277.2 KB Drivers of productivity change in global value chains : Reallocation vs. innovation / Savin, Ivan (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Mundt, Philipp (Otto-Friedrich-Universität. Department of Economics)
We investigate the role of technological improvement and market share reallocation in determining global changes in sectoral labor productivity. Contrary to previous work that neglects dependencies between suppliers in global value chains, we account for input linkages that impact both channels of productivity improvement. [...]
2022 - 10.1016/j.econlet.2022.110878
Economics letters, Vol. 220 (November 2022) , art. 110878  
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7.
16 p, 5.0 MB Effects of herbaceous covers and mineral fertilizers on the nutrient stocks and fluxes in a Mediterranean olive grove / Marañón Jiménez, Sara (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ; Serrano-Ortíz, P. (Universidad de Granada. Departamento de Ecología) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Meijide, A. (University of Göttingen. Department of Crop Sciences. Division Agronomy) ; Chamizo, S. (Universidad de Almería) ; López-Ballesteros, A. (Centro de Investigación y Tecnología Agroalimentaria de Aragón) ; Vicente-Vicente, J.L. (Leibniz Centre for Agricultural Landscape Research) ; Fernández-Ondoño, E. (Universidad de Granada. Departamento de Edafología y Química Agrícola)
The preservation of nutrient capital, soil fertility, and carbon (C) sequestration capacity in Mediterranean olive groves requires evaluation of agricultural practices beyond short-term productivity. [...]
2022 - 10.1016/j.eja.2022.126597
European Journal of Agronomy, Vol. 140 (October 2022) , art. 126597  
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8.
23 p, 332.6 KB Natural families in evolution algebras / Boudi, Nadia (Mohammed V University. Faculty of Sciences) ; Cabrera Casado, Yolanda (Universidad de Málaga. Departamento de Matemática Aplicada) ; Siles Molina, Mercedes (Universidad de Málaga. Departamento de Álgebra, Geometría y Topología)
In this paper we introduce the notion of evolution rank and give a decomposition of an evolution algebra into its annihilator and extending evolution subspaces having evolution rank one. This decomposition can be used to prove that in nondegenerate evolution algebras any family of natural and orthogonal vectors can be extended to a natural basis. [...]
2022 - 10.5565/PUBLMAT6612206
Publicacions matemàtiques, Vol. 66 Núm. 1 (2022) , p. 159-181 (Articles)  
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9.
24 p, 998.8 KB Cross-sectional average length of life childless / Mogi, Ryohei (Centre d'Estudis Demogràfics) ; Nisén, Jessica (Max Planck Institute for Demographic Research) ; Canudas-Romo, Vladimir (Australian National University)
Increases in the average age at first birth and in the proportion of women remaining childless have extended the total number of years that women spend childless during their reproductive lifetime in several countries. [...]
The contribution of Jessica Nisén was supported by the Academy of Finland (decision numbers 332863 and 320162). We are grateful to Marilia Nepomuceno for her initial contribution.
2021 - 10.1215/00703370-8937427
Demography, Vol. 58 Núm. 1 (2021) , p. 321-344  
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10.
15 p, 92.9 KB Determinantes del crecimiento de las emisiones de gases de efecto invernadero en España (1990-2007) / Alcántara, Vicent (Universitat Autònoma de Barcelona. Departament d'Economia Aplicada) ; Padilla, Emilio (Universitat Autònoma de Barcelona. Departament d'Economia Aplicada)
The growth of greenhouse gas emissions in Spain is far larger than the Kyoto Protocol target. This paper analyses the different factors that have contributed to the important increase in energy greenhouse gas emissions in Spain during 1990-2007. [...]
2010
Revista Galega de Economia, Vol. 19 Núm. 1 (2010) , p. 1-15  
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Artículos : Encontrados 61 registros   1 - 10siguientefinal  ir al registro:
Documentos de investigación Encontrados 13 registros  1 - 10siguiente  ir al registro:
1.
16 p, 7.7 MB Aplicación Web de Selección de Películas Implementando Algoritmos de aprendizaje / Diaz Fajardo, Alexis Gabriel ; Martínez Carrascal, Juan Antonio, dir. (Universitat Autònoma de Barcelona. Àrea de Planificació de Sistemes d'Informació) ; Universitat Autònoma de Barcelona. Escola d'Enginyeria
El constant canvi en l'àmbit tecnològic ha portat a una expansió sense precedents d'aplicacions d'entreteniment, generant un desafiament en seleccionar contingut en un panorama saturat. Aquest article representa un projecte destinat a desenvolupar una aplicació web que té com a objectiu simplificar la cerca de pel·lícules, centrant-se en les preferències de l'usuari. [...]
El constante cambio en el ámbito tecnológico ha llevado a una expansión sin precedentes de aplicaciones de entretenimiento, generando un desafío al seleccionar contenido en un panorama saturado. Este artículo representa un proyecto destinado a desarrollar una aplicación web que tiene como objetivo simplificar la búsqueda de películas, enfocándose en las preferencias del usuario. [...]
The constant change in the technological landscape has led to an unprecedented expansion of entertainment applications, generating a challenge when selecting content in a saturated landscape. This article represents a project aimed at developing a web application that aims to simplify the search for movies, focusing on user preferences. [...]
2024
Enginyeria Informàtica [958]  
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2.
1.2 MB Directed hereditary species and Decomposition spaces of intervals / Forero Baquero, Wilson Javier ; Kock, Joachim, dir.
En la tesi actual, estudiem la teoria dels espais de descomposició, centrant-nos en la construcció d'intervals per a espais de descomposició i l'espai de descomposició d'intervals subdividits U, que va ser construït per Gálvez, Kock i Tonks com a destinatari de la construcció de l'interval de Lawvere. [...]
En la presente tesis se estudia los espacios de descomposición, con énfasis en la construcción de intervalos y el espacio de descomposición de intervalos subdivididos U, el cual fue construido por Gálvez, Kock y Tonks como una generalización de la construcción de intervalos de Lawvere. [...]
In the present thesis, we study the theory of decomposition spaces, focusing on the interval construction for decomposition spaces and the decomposition space of subdivided intervals U, which was constructed by Gálvez, Kock, and Tonks as a recipient of Lawvere's interval construction. [...]
2023  
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3.
2 p, 3.1 MB Soil fauna control over decomposition / Saureu Velasco, Daniel Altair ; Universitat Autònoma de Barcelona. Facultat de Biociències
2022
Grau en Biologia [812]  
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4.
30 p, 202.7 KB Capacity utilisation and profitability : a decomposition of short run profit efficiency / Coelli, Tim (University of New England. School of Economics) ; Grifell-Tatjé, Emili (Universitat Autònoma de Barcelona. Departament d'Economia de l'Empresa) ; Perelman, Sergio (Université de Liège)
The principal aim of this paper is to measure the amount by which the profit of a multi-input, multi-output firm deviates from maximum short-run profit, and then to decompose this profit gap into components that are of practical use to managers. [...]
2001 (LIDAM Discussion Papers CORE ; 2001/52)  
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5.
36 p, 387.1 KB Driving forces of CO2 emissions and energy intensity in Colombia / Patiño, Lourdes Isabel ; Alcántara, Vicent ; Padilla, Emilio
We analyze the driving factors of CO2 emissions generation and energy intensity during almost four decades. We apply a factorial decomposition for CO2 emissions, starting from the Kaya identity, using the logarithmic mean Divisia index method. [...]
2019 (Document de treball (Universitat Autònoma de Barcelona. Departament d'Economia Aplicada) ; 1905)  
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6.
34 p, 333.5 KB The causal factors of international inequality in CO2 emissions per capita : a regression-based inequality decomposition analysis / Duro, Juan Antonio ; Teixidó-Figueras, Jordi ; Padilla, Emilio ; Universitat Autònoma de Barcelona. Departament d'Economia Aplicada
This paper uses the possibilities provided by the regression-based inequality decomposition (Fields, 2003) to explore the contribution of different explanatory factors to international inequality in CO2 emissions per capita. [...]
Universitat Autònoma de Barcelona. Departament d'Economia Aplicada 2014 (Document de treball (Universitat Autònoma de Barcelona. Departament d'Economia Aplicada) ; 1402)  
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7.
33 p, 945.3 KB Energy intensity in road freight transport of heavy goods vehicles in Spain / Andrés, Lidia ; Padilla, Emilio ; Universitat Autònoma de Barcelona. Departament d'Economia Aplicada
This paper examines the factors that have influenced the energy intensity of the Spanish road freight transport of heavy goods vehicles over the period 1996-2012. This article aims to contribute to a better understanding of the factors behind the energy intensity change of road freight and also to inform the design of measures to improve energy efficiency in road freight transport. [...]
Universitat Autònoma de Barcelona. Departament d'Economia Aplicada 2014 (Document de treball (Universitat Autònoma de Barcelona. Departament d'Economia Aplicada) ; 1401)  
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8.
44 p, 431.8 KB Empirics of the international inequality in CO2 emissions intensity : explanatory factors according to complementary decomposition methodologies / Duro, Juan Antonio ; Teixidó-Figueras, Jordi ; Padilla, Emilio ; Universitat Autònoma de Barcelona. Departament d'Economia Aplicada
This paper analyses the international inequalities in CO2 emissions intensity for the period 1971- 2009 and assesses explanatory factors. Multiplicative, group and additive methodologies of inequality decomposition are employed. [...]
Universitat Autònoma de Barcelona. Departament d'Economia Aplicada 2013 (Document de treball (Universitat Autònoma de Barcelona. Departament d'Economia Aplicada) ; 1305)  
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9.
32 p, 254.6 KB Ecological Footprint Inequality across countries : the role of environment intensity, income and interaction effects / Duro, Juan Antonio (Universitat Rovira i Virgili) ; Teixidó-Figueras, Jordi (Universitat Rovira i Virgili) ; Xarxa de Referència en Economia Aplicada (XREAP)
Recently, White (2007) analysed the international inequalities in Ecological Footprints per capita (EF hereafter) based on a two-factor decomposition of an index from the Atkinson family (Atkinson (1970)). [...]
Xarxa de Referència en Economia Aplicada (XREAP) 2012 (XREAP ; 2012-17)  
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10.
56 p, 1.0 MB Changes in wage structure in Mexico going beyond the mean : an analysis of differences in distribution, 1987-2008 / Tello, Claudia (Universitat de Barcelona) ; Ramos Lobo, Raúl (Universitat de Barcelona) ; Artís Ortuño, Manuel (Universitat de Barcelona) ; Xarxa de Referència en Economia Aplicada (XREAP)
This paper conducts an empirical analysis of the relationship between wage inequality, employment structure, and returns to education in urban areas of Mexico during the past two decades (1987-2008). [...]
Xarxa de Referència en Economia Aplicada (XREAP) 2012 (XREAP ; 2012-07)  
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Documentos de investigación : Encontrados 13 registros   1 - 10siguiente  ir al registro:
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