Results overview: Found 35 records in 0.04 seconds.
Articles, 31 records found
Contributions to meetings and congresses, 1 records found
Books and collections, 1 records found
Research literature, 2 records found
Articles 31 records found  1 - 10nextend  jump to record:
1.
21 p, 408.3 KB Zero entropy for some birational maps of C² / Cima, Anna (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Zafar, Sundus (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
In this study, we consider a special case of the family of birational maps f:C² → C² , which were dynamically classified by [13]. We identify the zero entropy subfamilies of f and explicitly give the associated invariant fibrations. [...]
2019 - 10.1016/j.jmaa.2018.11.047
Journal of mathematical analysis and applications, Vol. 474, Issue 2 (June 2019) , p. 765-781  
2.
17 p, 1.6 MB Witnessing entanglement by proxy / Bäuml, Stefan (Universitat Autònoma de Barcelona. Departament de Física) ; Bruß, Dagmar (Heinrich-Heine-Universität Düsseldorf) ; Huber, Marcus (Universitat Autònoma de Barcelona. Departament de Física) ; Kampermann, Hermann (Heinrich-Heine-Universität Düsseldorf) ; Winter, Andreas (Universitat Autònoma de Barcelona. Departament de Física)
Entanglement is a ubiquitous feature of low temperature systems and believed to be highly relevant for the dynamics of condensed matter properties and quantum computation even at higher temperatures. [...]
2016 - 10.1088/1367-2630/18/1/015002
New Journal of Physics, Vol. 18 (January 2016) , art. 15002  
3.
19 p, 256.6 KB Glacial refugia and mid-Holocene expansion delineate the current distribution of Castanea sativa in Europe / Roces-Díaz, José V. (Centre de Recerca Ecològica i Aplicacions Forestals) ; Jiménez-Alfaro, Borja (Martin Luther University. Institute of Biology) ; Chytrý, Milan (Masaryk University. Department of Botany and Zoology) ; Díaz-Varela, Emilio R. (Universidade de Santiago de Compostela. ECOAGRASOC)
Areas of Quaternary refugia for tree species have been mainly delineated based on fossil records and phylogeography, but niche modelling can provide useful complementary information. Here we use palaeodistribution modelling to test the main hypotheses about the distribution of Castanea sativa in the Last Glacial Maximum (LGM) and the mid-Holocene in Europe. [...]
2018 - 10.1016/j.palaeo.2017.12.004
Palaeogeography, palaeoclimatology, palaeoecology, Vol. 491 (Feb. 2018) , p. 152-160  
4.
31 p, 570.9 KB On the minimum positive entropy for cycles on trees / Alsedà i Soler, Lluís  (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Juher, David (Universitat de Girona. Departament d’Informàtica i Matemàtica Aplicada) ; Mañosas Capellades, Francesc (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
Consider, for any n ∈ N, the set Posn of all n-periodic tree patterns with positive topological entropy and the set Irrn ( Posn of all n-periodic irreducible tree patterns. The aim of this paper is to determine the elements of minimum entropy in the families Posn and Irrn. [...]
2017 - 10.1090/tran6677
Transactions of the American Mathematical Society, Vol. 369 Núm. 1 (2017) , p. 187-221  
5.
14 p, 483.6 KB Gradient Exceptionality in Maximum Entropy Grammar with Lexically Specific Constraints / Moore-Cantwell, Claire (Yale University) ; Pater, Joe (University of Massachusetts)
The number of exceptions to a phonological generalization appears to gradiently affect its productivity. Generalizations with relatively few exceptions are relatively productive, as measured in tendencies to regularization, as well as in nonce word productions and other psycholinguistic tasks. [...]
El nombre d’excepcions a una generalització fonològica sembla que afecta de forma gradual la seva productivitat. Les generalitzacions amb relativament poques excepcions són bastant productives, per les mesures en tendències a la regularització i per les produccions de mots sense sentit i altres tasques psicolingüístiques. [...]

2016 - 10.5565/rev/catjl.183
Catalan journal of linguistics, Vol. 15 (2016) , p. 53-66 (Articles)  
6.
3 p, 143.7 KB Automated Analysis of Orthopaedic X-ray Images based on Digital-Geometric Techniques / Bandyopadhyay, Oishila ; Biswas, Arindam, dir. ; Bhattacharya, Bhargab B., dir.
This thesis reports several methods for automated analysis and interpretation of bone X-ray images. Automatic segmentation of the bone part in a digital X-ray image is a challenging problem because of its low contrast against the surrounding flesh. [...]
2016 - 10.5565/rev/elcvia.970
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, Vol. 15 Núm. 2 (2016) , p. 7-9 (Special Issue on Recent PhD Thesis Dissemination (2016))  
7.
34 p, 293.5 KB A test for normality based on the empirical distribution function / Torabi, Hamzeh (Yazd University (Iran). Statistics Department) ; Montazeri, Narges H. (Yazd University (Iran). Statistics Department) ; Grané, Aurea (Universidad Carlos III de Madrid. Departamento de Estadística)
In this paper, a goodness-of-fit test for normality based on the comparison of the theoretical and empirical distributions is proposed. Critical values are obtained via Monte Carlo for several sample sizes and different significance levels. [...]
2016
SORT : statistics and operations research transactions, Vol. 40 Núm. 1 (January-June 2016) , p. 55-88 (Articles)  
8.
38 p, 705.8 KB Maximizing entropy of cycles on trees / Alsedà i Soler, Lluís (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Juher, David (Universitat de Girona. Departament d’Informàtica i Matemàtica Aplicada) ; King, Deborah M. (University of Melbourne. Departament of Mathematics and Statistics) ; Mañosas Capellades, Francesc (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
In this paper we give a partial characterization of the periodic tree patterns of maximum entropy. More precisely, we prove that each periodic pattern with maximal entropy is irreducible and simplicial. [...]
In this paper we give a partial characterization of the periodic tree patterns of maximum entropy. More precisely, we prove that each periodic pattern with maximal entropy is irreducible and simplicial. [...]

2013 - 10.3934/dcds.2013.33.3237
Discrete and Continuous Dynamical Systems. Series A, Vol. 33 Núm. 8 (2013) , p. 3237-3276  
9.
10 p, 302.2 KB Topological entropy and periods of graph maps / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Saghin, Radu (Universitat Autònoma de Barcelona. Centre de Recerca per a l'Educació Científica i Matemàtica)
We give a complete description of the set of periods of continuous self-maps on graphs which have zero topological entropy and all their branching points are fixed. As a corollary we get a criterion for positive topological entropy for continuous self-maps on graphs. [...]
2012 - 10.1080/10236198.2011.561202
Journal of Difference Equations and Applications, Vol. 18 Núm. 4 (2012) , p. 589-598  
10.
18 p, 846.3 KB ¿Cómo se conceptualiza la energía en las unidades didácticas de biología? / Pérez Murugó, Marta (Institut Manolo Hugué (Caldes de Montbui, Catalunya)) ; Marbà Tallada, Anna (Universitat Autònoma de Barcelona. Departament de Didàctica de la Matemàtica i les Ciències Experimentals) ; Izquierdo i Aymerich, Mercè (Universitat Autònoma de Barcelona. Departament de Didàctica de la Matemàtica i de les Ciències Experimentals)
El presente trabajo reflexiona sobre la visión biológica del concepto energía que se aplica actualmente en las aulas a partir del análisis de diversos libros de texto, en papel y digitales. Se pretende analizar cuál es el concepto de energía que aparece en los textos y en los ejercicios del final de la unidad didáctica, así como identificar una posible relación entre la demanda cognitiva de los ejercicios de final de unidad y la manera de presentar el concepto de energía. [...]
El present treball reflexiona sobre la visió biològica del concepte energia que s'aplica actualment a les aules a partir de l'anàlisi de diversos llibres de text, en paper i digitals. Es pretén analitzar quin és el concepte d'energia que apareix en els textos i en els exercicis del final de la unitat didàctica, així com identificar una possible relació entre la demanda cognitiva dels exercicis de final d'unitat i la manera de presentar el concepte d'energia. [...]
This paper considers the biological approach of the concept of energy that is currently used in the classroom from the study of different textbooks and digital books. The purpose is to find out the energy concept set out in textbooks and in the end of unit exercises, and also identify a possible relationship between the cognitive demand of the end of unit exercises and the approach to the concept of energy. [...]

2016 - 10.5565/rev/ensciencias.1292
Enseñanza de las ciencias, Vol. 34 Núm. 1 (2016) , p. 73-90 (Investigaciones Didácticas)  

Articles : 31 records found   1 - 10nextend  jump to record:
Contributions to meetings and congresses 1 records found  
1.
10 p, 624.1 KB Marlin : a high throughput variable-to-fixed codec using plurally parsable dictionaries / Martinez, Manuel (Karlsruhe Institut für Technologie) ; Haurilet, Monica (Karlsruhe Institut für Technologie) ; Stiefelhagen, Rainer (Karlsruhe Institut für Technologie) ; Serra Sagristà, Joan (Universitat Autònoma de Barcelona)
We present Marlin, a variable-to-fixed (VF) codec optimized for decoding speed. Marlin builds upon a novel way of constructing VF dictionaries that maximizes efficiency for a given dictionary size. On a lossless image coding experiment, Marlin achieves a compression ratio of 1. [...]
2017 - 10.1109/DCC.2017.74
Data Compression Conference. Snowbird, Utah, USA, : 2017  

Books and collections 1 records found  
1.
15 p, 522.5 KB The quantum entropy cone of stabiliser states / Linden, Noah (University of Bristol. School of Mathematics) ; Matúš, František (Academy of Sciences of the Czech Republic) ; Ruskai, Mary Beth (Tufts University) ; Winter, Andreas (Universitat Autònoma de Barcelona. Departament de Física)
We investigate the universal linear inequalities that hold for the von Neumann entropies in a multi-party system, prepared in a stabiliser state. We demonstrate here that entropy vectors for stabiliser states satisfy, in addition to the classic inequalities, a type of linear rank inequalities associated with the combinatorial structure of normal subgroups of certain matrix groups. [...]
Dagstuhl : Leibniz-Zentrum fuer Informatik, 2013 (Leibniz International Proceedings in Informatics (LIPIcs) ; 22) - 10.4230/LIPIcs.TQC.2013.270
8th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2013), 2013, p. 270-284  

Research literature 2 records found  
1.
61 p, 662.4 KB Dinámica Combinatoria para Funciones skew-product en el Cilindro / Morales, Leopoldo (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Alsedà, Lluís (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Mañosas Capellades, Francesc, dir. (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
La tesi consta de dues parts. En la primera s'estenen els resultats i tècniques de Fabbri et al. 2005 per estudiar la dinàmica combinatòria, el <> i l'entropia topològica de certes aplicacions triangulars al cilindre forçades quasiperiòdicament. [...]
The thesis consists of two parts. In the first we aim at extending the results and techniques from Fabbri et al. 2005 to study the Combinatorial Dynamics, the <> and the topological Entropy of certain quasiperiodically forced skew-product on the cylinder. [...]

2011  
2.
244 p, 1.6 MB Group representations, algebraic dynamics and torsion theories / Virili, Simone ; Herbera i Espinal, Dolors, dir. (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Universitat Autònoma de Barcelona. Departament de Matemàtiques
La tesis está organizada en doce capítulos, divididos en cinco partes. La Parte I comprende los primeros tres capítulos. En el Capítulo 1 damos una breve introducción a la teoría de las categorías y recordamos las técnicas de las teorías de torsión y de la localización de categorías de Grothendieck. [...]
The thesis is organized in twelve chapters divided in five parts. Part I encompasses the first three chapters and consists mainly of background material. In Chapter 1 we provide the necessary background in general category theory and we recall the machinery of torsion theories and localization of Grothendieck categories. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2014  

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