cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
An Avenue for Challenging Sexism: Examining the High School Sociology Classroom
Creators: name: Stevens, Kaylene Mae
name: Martell, Christopher C
Publisher: name: sowi-online e.V., Bielefeld
Year: 2016

description: In this interpretative qualitative study, the researchers investigated the beliefs and practices of six high school sociology teachers in relation to the teaching of gender. Using a feminist lens, this study employed mixed methods, analyzing teacher interviews, observations, and classroom artifacts. The results showed that the teachers viewed sociology as different from other social studies courses, because it serves as a more intentional way to reduce sexism and gender stratification. As such, the teachers saw the sociology classroom as a place for students to grapple with issues of gender stratification and inequity.  Teachers’ beliefs related to gender and sexism strongly influenced what they saw as the purpose of sociology class, and it influenced the instructional practices that they used.  Recommendations are made related to professional development around issues of gender equity.
description: JSSE - Journal of Social Science Education, 1-2016 Digital Tools and Social Science Education
Effects of the randomly distributed magnetic field on the phase diagrams of the Ising Nanowire II: continuous distributions
Creators: name: Akıncı, Ümit
Publisher: name: arXiv
Year: 2012
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The effect of the random magnetic field distribution on the phase diagrams and ground state magnetizations of the Ising nanowire has been investigated with effective field theory with correlations. Gaussian distribution has been chosen as a random magnetic field distribution. The variation of the phase diagrams with that distribution parameters has been obtained and some interesting results have been found such as disappearance of the reentrant behavior and first order transitions which appear in the case of discrete distributions. Also for single and double Gaussian distributions, ground state magnetizations for different distribution parameters have been determined which can be regarded as separate partially ordered phases of the system.
description: 13 pages, 6 figures. arXiv admin note: substantial text overlap with arXiv:1205.3219
A Qualitative Study on Learning and Teaching With Learning Paths in a Learning Management System
Creators: name: De Smet, Cindy
name: Valcke, Martin
name: Schellens, Tammy
name: De Wever, Bram
name: Vanderlinde, Ruben
Publisher: name: sowi-online e.V., Bielefeld
Year: 2016

description: This article presents the findings of a qualitative study (carried out between 2011 and 2013) about the adoption and implementation of learning paths within a Learning Management System (LMS). Sixteen secondary school biology teachers of the GO! Network in Flanders (an urbanized region in Belgium) were involved in the study and questioned via semi-structured interviews. Two research questions are addressed: (1) what are the perceived conditions at school and at teacher level affecting the use of learning paths? (2) how are these conditions related to the expected outcomes? Research results show teachers are satisfied with learning paths as an educational tool, but reflect mixed feelings as to the impact on student learning outcomes. Clear barriers are identified at the school and teacher level, thwarting the implementation of learning paths in secondary education. The availability of a reliable and accessible ICT infrastructure, the quality of technical and pedagogical support, teacher professional development and the mastery of teacher Information and Communication Technology competencies, among others, were found to be essential.

Questo articolo presenta i risultati di uno studio qualitativo sull'adozione e l'attuazione di percorsi di apprendimento all'interno del Learning Management System (LMS). Sedici insegnanti della scuola secondaria sono stati coinvolti nello studio e interrogati tramite interviste semi-strutturate. Si sono prese in considerazione due domande di ricerca: (1) quali sono le condizioni percepite nella scuola e fra gli insegnanti capaci di influenzare l'uso di percorsi di apprendimento (learning paths)? (2) come sono legate ai risultati attesi queste condizioni? I risultati della ricerca mostrano che gli insegnanti sono soddisfatti dei percorsi di apprendimento (learning paths) come strumento educativo, ma mostrano sentimenti contrastanti per quanto riguarda l'impatto sui risultati di apprendimento degli studenti. Si identificano chiari ostacoli a livello di scuola e di insegnanti, vanificando l'utilizzo dei learning paths nell’ istruzione secondaria. Si sono rivelati essenziali, fra l’altro, la disponibilità di infrastruttura ICT affidabili e accessibili, la qualità del supporto tecnico e pedagogico, lo sviluppo professionale degli insegnanti e la padronanza delle tecnologie dell'informazione e della comunicazione.
description: JSSE - Journal of Social Science Education, 1-2016 Digital Tools and Social Science Education
Stratigraphy, structure and tectonic history of the Pink Mountain anticline, Trutch (94G) and Halfway River (94B) map areas, northeastern British Columbia
Creators: name: Hinds, Steven Jeffrey
Publisher: name: Graduate Studies
Year: 2002
Subjects: subject: AC1 .T484 2002 H564
subject: Geology, Stratigraphic - Cretaceous
subject: Geology - British Columbia - Pink Mountain Region
subject: Geology, Structural - British Columbia - Pink Mountain Region
subject: Diagenesis - British Columbia

description: Bibliography: p. 98-104
Cepheid Period-Luminosity Relations in the Near-Infrared and the Distance to M31 from the Hubble Space Telescope Wide Field Camera 3
Creators: name: Riess, Adam G.
name: Fliri, Juergen
name: Valls-Gabaud, David
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present measurements of 68 classical Cepheids with periods from 10 to 78 days observed in the near-infrared by the PHAT Program using the Wide Field Camera 3 (WFC3) on the Hubble Space Telescope (HST). The combination of HST's resolution and the use of near-infrared measurements provides a dramatic reduction in the dispersion of the Period--Luminosity relation over the present optical, ground-based data. Even using random-phase magnitudes we measure a dispersion of just 0.17 mag, implying a dispersion of just 0.12 mag for mean magnitudes. The error in the mean for this relation is 1% in distance. Combined with similar observations of Cepheids in other hosts and independent distance determinations, we measure a distance to M31 of mu_0=24.42 +/- 0.05 (statistical) +/- 0.03 (systematic), 765 +/- 28 kpc, in good agreement with past measurements though with a better, 3% precision here. The result is also in good agreement with independent distance determinations from two detached eclipsing binaries allowing for an independent calibration of the Cepheid luminosities and a determination of the Hubble constant.
description: 12 pages, 2 figures, submitted to ApJ
Producing and Consuming the Controversial – A Social Media Perspective on Political Conversations in the Social Science Classroom
Creators: name: Andersson, Erik
Publisher: name: sowi-online e.V., Bielefeld
Year: 2016

description: Teachers find it difficult to conduct political controversial conversations in the social science classroom and due to an increased use of social media in educational settings new challenges and possibilities are raised. The use of social media causes fundamental changes to the role of the learner who becomes a producer and consumer – a prosumer – of educational content. With a social media perspective and a didactical focus on learning in democracy and political action the article discusses didactical conditions and possibilities of political controversial conversations in social science education and derives a set of didactic strategies. When approaching the classroom as a diverse ideological public space, recognising the students as political agents and using a social media perspective it is possible to balance the function of education – socialisation, qualification and subjectification – and at the same time stimulate societal engagement and political action.
Los profesores tienen dificultades para llevar a cabo conversaciones políticas controvertidas en el aula de ciencias sociales y debido a un mayor uso de los medios sociales en los centros educativos nuevos retos y posibilidades se plantean. El uso de los medios sociales provoca cambios fundamentales en el papel del estudiante que se convierte en productor y consumidor - un prosumidor - de contenidos educativos. Con una perspectiva de los medios de comunicación social y un enfoque didáctico en el aprendizaje en la democracia y la acción política el artículo discute las condiciones didácticas y posibilidades de conversaciones polémicas políticas en la educación de las ciencias sociales y concluye un conjunto de estrategias didácticas. Al acercarse a la sala de clases como una diversa espacio público ideológica, el reconocimiento de los estudiantes como agentes políticos y el uso de una perspectiva de los medios de comunicación social, es posible equilibrar la función de la educación - la socialización, la cualificación y la subjetivación - y al mismo tiempo estimular el compromiso social y la acción política.
description: JSSE - Journal of Social Science Education, 1-2016 Digital Tools and Social Science Education
Double Obstacle Problems with obstacles given by non-$C^2$ Hamilton-Jacobi equations
Creators: name: Andersson, John
name: Shahgholian, Henrik
name: Weiss, Georg S.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: We prove optimal regularity for the double obstacle problem when obstacles are given by solutions to Hamilton-Jacobi equations that are not $C^2$. When the Hamilton-Jacobi equation is not $C^2$ then the standard Bernstein technique fails and we loose the usual semi-concavity estimates. Using a non-homogeneous scaling (different speed in different directions) we develop a new pointwise regularity theory for Hamilton-Jacobi equations at points where the solution touches the obstacle. A consequence of our result is that $C^1$-solutions to the Hamilton-Jacobi equation $$ \pm |\nabla h-a(x)|^2=\pm 1 \textrm{in} B_1, \qquad h=f \textrm{on} \partial B_1, $$ are in fact $C^{1,α/2}$ provided that $a \in C^α$. This result is optimal and to the authors' best knowledge new.
Defining the Key Competences and Skills for Young Low Achievers’ in Lifelong Learning by the Voices of Students, Trainers and Teachers
Creators: name: Pinto, Marta
name: Caramelo, João
name: Coimbra, Susana
name: Terrasêca, Manuela
name: Agrusti, Gabriella
Publisher: name: sowi-online e.V., Bielefeld
Year: 2016

description: Europe has stressed the importance of lifelong learning as a way for its citizens to enrol and to engage fully in day-to-day demands of work and citizenship life events. Support is more urgent for those who are at risk of social and educational exclusion. This paper presents an overview on the goals of the European project LIBE “Supporting Lifelong learning with Inquiry-Based Education”, that aims at designing, developing and trying out an innovative e-learning management system devoted to develop key information processing skills for ICT with an inquiry-based approach to learning, focused on the young adult population (16-24) that have low levels of competences regarding literacy, numeracy and ICT skills. Additionally, it presents the results of a content analysis of focus groups sessions, carried out with Portuguese teachers, trainers and students, aiming to identify the key competences and skills most needed by young low achievers. The Portuguese results integrate the alignment of the proposal of the LIBE framework for the learning outcomes, instructional objectives and ICT key information processing competencies. Results highlight literacy skills and social competence as the most relevant for the target audience, adding ICT competences as very important in developing literacy skills and self-efficacy. Pedagogical support is considered a significant part of the students’ successful learning, both in face-to-face or e-learning environments.
description: JSSE - Journal of Social Science Education, 1-2016 Digital Tools and Social Science Education
Strong quantum memory at resonant Fermi edges revealed by shot noise
Creators: name: Ubbelohde, N.
name: Roszak, K.
name: Hohls, F.
name: Maire, N.
name: Haug, R. J.
name: Novotny, T.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Studies of non-equilibrium current fluctuations enable assessing correlations involved in quantum transport through nanoscale conductors. They provide additional information to the mean current on charge statistics and the presence of coherence, dissipation, disorder, or entanglement. Shot noise, being a temporal integral of the current autocorrelation function, reveals dynamical information. In particular, it detects presence of non-Markovian dynamics, i.e., memory, within open systems, which has been subject of many current theoretical studies. We report on low-temperature shot noise measurements of electronic transport through InAs quantum dots in the Fermi-edge singularity regime and show that it exhibits strong memory effects caused by quantum correlations between the dot and fermionic reservoirs. Our work, apart from addressing noise in archetypical strongly correlated system of prime interest, discloses generic quantum dynamical mechanism occurring at interacting resonant Fermi edges.
description: 6 pages, 3 figures
On a family of low-rank algorithms for large-scale algebraic Riccati equations
Creators: name: Bertram, Christian
name: Faßbender, Heike
Publisher: name: arXiv
Year: 2023
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 15A24, 65F15

description: In [3] it was shown that four seemingly different algorithms for computing low-rank approximate solutions $X_j$ to the solution $X$ of large-scale continuous-time algebraic Riccati equations (CAREs) $0 = \mathcal{R}(X) := A^HX+XA+C^HC-XBB^HX $ generate the same sequence $X_j$ when used with the same parameters. The Hermitian low-rank approximations $X_j$ are of the form $X_j = Z_jY_jZ_j^H,$ where $Z_j$ is a matrix with only few columns and $Y_j$ is a small square Hermitian matrix. Each $X_j$ generates a low-rank Riccati residual $\mathcal{R}(X_j)$ such that the norm of the residual can be evaluated easily allowing for an efficient termination criterion. Here a new family of methods to generate such low-rank approximate solutions $X_j$ of CAREs is proposed. Each member of this family of algorithms proposed here generates the same sequence of $X_j$ as the four previously known algorithms. The approach is based on a block rational Arnoldi decomposition and an associated block rational Krylov subspace spanned by $A^H$ and $C^H.$ Two specific versions of the general algorithm will be considered; one will turn out to be a rediscovery of the RADI algorithm, the other one allows for a slightly more efficient implementation compared to the RADI algorithm (in case the Sherman-Morrision-Woodbury formula and a direct solver is used to solve the linear systems that occur). Moreover, our approach allows for adding more than one shift at a time.
Solitons in dipolar Bose-Einstein condensates with trap and barrier potential
Creators: name: Abdullaev, F. Kh.
name: Brazhnyi, V. A.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: Quantum Gases (cond-mat.quant-gas)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: The propagation of solitons in dipolar BEC in a trap potential with a barrier potential is investigated. The regimes of soliton transmission, reflection and splitting as a function of the ratio between the local and dipolar nonlocal interactions are analyzed analytically and numerically. Coherent splitting and fusion of the soliton by the defect is observed. The conditions for fusion of splitted solitons are found. In addition the delocalization transition governed by the strength of the nonlocal dipolar interaction is presented. Predicted phenomena can be useful for the design of a matter wave splitter and interferometers using matter wave solitons.
Supplementary Materials from Modelling the functional roles of synaptic and extra-synaptic γ-aminobutyric acid receptor dynamics in circadian timekeeping
Creators: name: Sueviriyapan, Natthapong
name: Granados-Fuentes, Daniel
name: Simon, Tatiana
name: Herzog, Erik D.
name: Henson, Michael A.
Publisher: name: The Royal Society
Year: 2021
Subjects: subject: Biophysics
subject: 60114 Systems Biology
subject: FOS: Biological sciences
subject: Computational Biology

description: All of the additional information, including text, figures, and tables, can be found in the supplementary materials.
Introduction to Research Data Management for Students
Creators: name: Marcoux, Katherine
name: de Laat, Stijn
name: Jansen, Daphne
name: Lamers, Didi
name: Slouwerhof, Inge
name: van der Burgt, Henry
Publisher: name: Zenodo
Year: 2023
Subjects: RDM
research data
data management
research data management
data organisation
students

description: The presentation “Introduction to Research Data Management for Students” is aimed at teaching students the basics of research data management. Topics include:

Writing a data management plan

Data storage and sharing during research

Organising and documenting

Archiving data

Personal data

Informed consent

Security
3D strings and other anyonic things
Creators: name: Mezincescu, Luca
name: Townsend, Paul K.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We explain how fractional spin and statistics are relevant to (super)strings in a three-dimensional (3D) Minkowski spacetime.
description: 5p. Contribution to the XVII European Workshop on String Theory 2011. Padua, Italy, 5-9 September 2011. v2 adds citations and corrects minor errors
Differential cross section and analysing power of the quasi-free pn -> {pp}_s pi- reaction at 353 MeV
Creators: name: Dymov, S.
name: Azaryan, T.
name: Barsov, S.
name: Baru, V.
name: Benati, P.
name: Bertelli, S.
name: Chiladze, D.
name: Dzyuba, A.
name: Gebel, R.
name: Goslawski, P.
name: Guidoboni, G.
name: Hanhart, C.
name: Hartmann, M.
name: Kacharava, A.
name: Khoukaz, A.
name: Komarov, V.
name: Kulessa, P.
name: Kulikov, A.
name: Kurbatov, V.
name: Lenisa, P.
name: Lensky, V.
name: Lomidze, N.
name: Lorentz, B.
name: Macharashvili, G.
name: Mielke, M.
name: Mikirtytchiants, S.
name: Merzliakov, S.
name: Ohm, H.
name: Papenbrock, M.
name: Rathmann, F.
name: Serdyuk, V.
name: Shmakova, V.
name: Stroeher, H.
name: Tabidze, M.
name: Tsirkov, D.
name: Trusov, S.
name: Uzikov, Yu.
name: Valdau, Yu.
name: Wilkin, C.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: In order to establish links between p-wave pion production in nucleon-nucleon collisions and low energy three-nucleon scattering, an extensive programme of experiments on pion production is currently underway at COSY-ANKE. The final proton pair is measured at very low excitation energy, leading to an S-wave diproton, denoted here as {pp}_s. By using a deuterium target we have obtained data on the differential cross section and analysing power of the quasi-free pol{p}n -> {pp}_s pi^- reaction at 353 MeV. The spectator proton p_sp was either measured directly in silicon tracking telescopes or reconstructed using the momentum of a detected pi^-. Both observables can be described in terms of s-, p-, and d-wave pion production amplitudes. Taken together with the analogous data on the pol{p}p -> {pp}_s pi^0 reaction, full partial wave decompositions of both processes were carried out.
description: The interested reader should also study the paper on pizero production by D.Tsirkov et al., which has also been submitted to the arXiv
Frankfurt Declaration: For a Critical-Emancipatory Political Education
Creators: name: Eis, Andreas
name: Lösch, Bettina
name: Schröder, Achim
name: Steffens, Gerd
Publisher: name: sowi-online e.V., Bielefeld
Year: 2016

description: .
description: JSSE - Journal of Social Science Education, 1-2016 Digital Tools and Social Science Education
Biogeographic analysis of Serrano-Monchiquense District and Southern Portugal
Creators: name: Vila-Viçosa, Carlos
name: Mendes, Paula
name: Meireles, Catarina
name: Pinto-Gomes, Carlos
name: Vázquez-Pardo, Francisco M
name: Alves, Paulo
name: Almeida, Rubim
name: Capelo, Jorge
Publisher: name: Zenodo
Year: 2017
Subjects: potential natural vegetation
phytosociology
biogeography
Monchique
Southern Portugal
Iberian Peninsula

description: Abstract Due to highly heterogeneous edaphoclimatic features, Iberian Southwest Mountains are a major laboratory for essays on biogeography, concerning Atlantic remnant vegetation. Following a decade of PhD fieldwork in Serrano-Monchiquense District, namely facing West Iberian and Portuguese Divisorian Sub-Provinces, this work intends to clarify and propose new typologies for the Potential Natural Vegetation of these territories and consequently accurately update its biogeographic boundaries. Additionally, we address all serial and catenal features regarding climatophile and edaphophile vegetation series, with major updates for taxonomic and syntaxonomic issues, which gives a solid phytocoenotic uniqueness to this territory. Using phytosociological methodology, we studied climatophilous and edaphophile serial dynamics, featuring perennial vegetation. We discuss 12 sintaxa at association and subassociation levels, adding a discriminatory analysis of all biogeographic features from Serrano Monchiquense District, describing its different County’s in a comparative framework with neighbor Districts. We propose a synthetic map, resuming the analyzed information, where we stablish new and more accurate borders to the biogeographic map of Southern Portugal. This work, its a final and exhaustive description where is related all major biogeographic inferences that matter to be highlighted in the scope of Southwest Iberian Peninsula, concerning the border between two major biogeographic Provinces, revisiting all phytocoenotic conservation issues.
description: Disclaimer: This is the original version, which not includes the co-authors new inputs to the generated maps, is being updated and will be published in future versions.
Anti-bunched photons from a lateral light-emitting diode
Creators: name: Lunghi, Tommaso
name: De Simoni, Giorgio
name: Piazza, Vincenzo
name: Nicoll, Christine A.
name: Beere, Harvey E.
name: Ritchie, David A.
name: Beltram, Fabio
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We demonstrate anti-bunched emission from a lateral-light emitting diode. Sub-Poissonian emission statistic, with a g$^{(2)}$(0)=0.7, is achieved at cryogenic temperature in the pulsed low-current regime, by exploiting electron injection through shallow impurities located in the diode depletion region. Thanks to its simple fabrication scheme and to its modulation bandwidth in the GHz range, we believe our devices are an appealing substitute for highly-attenuated lasers in existing quantum-key-distribution systems. Our devices outperform strongly-attenuated lasers in terms of multi-photon emission events and can therefore lead to a significant security improvement in existing quantum key distribution systems.
Diffusion of two molecular species in a crowded environment: theory and experiments
Creators: name: Fanelli, D.
name: McKane, A. J.
name: Pompili, G.
name: Tiribilli, B.
name: Vassalli, M.
name: Biancalani, T.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Diffusion of a two component fluid is studied in the framework of differential equations, but where these equations are systematically derived from a well-defined microscopic model. The model has a finite carrying capacity imposed upon it at the mesoscopic level and this is shown to lead to non-linear cross diffusion terms that modify the conventional Fickean picture. After reviewing the derivation of the model, the experiments carried out to test the model are described. It is found that it can adequately explain the dynamics of two dense ink drops simultaneously evolving in a container filled with water. The experiment shows that molecular crowding results in the formation of a dynamical barrier that prevents the mixing of the drops. This phenomenon is successfully captured by the model. This suggests that the proposed model can be justifiably viewed as a generalization of standard diffusion to a multispecies setting, where crowding and steric interferences are taken into account.
description: The movies referred to in the paper are available upon request. Please send your requests to duccio.fanelli@gmail.com or duccio.fanelli@unifi.it
Uniform Sobolev estimates for non-trapping metrics
Creators: name: Guillarmou, Colin
name: Hassell, Andrew
Publisher: name: arXiv
Year: 2012
Subjects: subject: Analysis of PDEs (math.AP)
subject: Spectral Theory (math.SP)
subject: FOS: Mathematics
subject: 42B37, 58J50, 35P25

description: We prove uniform Sobolev estimates $||u||_{L^{p'}} \leq C ||(Δ-α)u||_{L^{p}}$, where $p=2n/(n+2), p'=2n/(n-2)$, for the Laplacian $Δ$ on non-trapping asymptotically conic manifolds of dimension $n$. Here C is independent of $α$ which ranges over all complex numbers. This generalizes to non-constant coefficient Laplacians a result of Kenig-Ruiz-Sogge.
description: 28 pages
Review of the Book: Paul Verhaeghe, 2014. What About Me? The Struggle for Identity in a Market-Based Society  Translated from Dutch by Jane Hedley-Prole. Melbourne, London: Scribe
Creators: name: Bombardelli, Olga
Publisher: name: sowi-online e.V., Bielefeld
Year: 2016

description: JSSE - Journal of Social Science Education, 1-2016 Digital Tools and Social Science Education
Measurement of the inclusive jet cross section in p pbar collisions at sqrt(s)=1.96 TeV
Creators: name: D0 Collaboration
name: Abazov, V.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We present a measurement of the inclusive jet cross section using the Run II cone algorithm and data collected by the D0 experiment in p pbar collisions at a center-of-mass energy sqrt(s)=1.96 TeV, corresponding to an integrated luminosity of 0.70 fb^(-1). The jet energy calibration and the method used to extract the inclusive jet cross section are described. We discuss the main uncertainties, which are dominated by the jet energy scale uncertainty. The results cover jet transverse momenta from 50 GeV to 600 GeV with jet rapidities in the range -2.4 to 2.4 and are compared to predictions using recent proton parton distribution functions. Studies of correlations between systematic uncertainties in transverse momentum and rapidity are presented.
description: Submitted to Phys. Rev. D
Perceptual similarity and member functioning in exercise groups
Creators: name: Dunlop, William
Publisher: name: University of British Columbia
Year: 2010

description: This study explored the relationships between perceived intra-group similarity, cohesion, and adherence among exercise group members. Participants (N = 402) from 46 registered health and wellness courses in a large city in Western Canada completed a questionnaire assessing their perceived level of similarity with the other group members and cohesion three times during the first eight weeks of their course. Data were collected following the second, fifth, and eighth classes (this coincided with the second, fifth, and eighth week of each course). Participants’ initial perception of the proportion of group members that were similar to themselves was found to significantly (and positively) predict program adherence. In contrast, early measures of class cohesion did not predict program adherence. A secondary aim of this study was to apply a theoretical framework developed within the domain of organizational psychology to understand some of the contextual determinants of cohesion in group-based exercise programs. This framework had been used to explain the emergence of cohesion within work groups through the consideration of (a) similarity among members’ surface- and deep-level attributes, and (b) the relative stage of group development (i.e., combined amount of time the group has spent together). Dimensions of task and social cohesion were predicted by both surface- and deep-level similarity perceptions. Findings are discussed in relation to theory development, measurement, and the application of group dynamics principles to behavioral medicine research.
Assessing two Theoretical Frameworks of Civic Engagement
Creators: name: García-Cabrero, Benilde
name: Pérez-Martínez, María Guadalupe
name: Sandoval-Hernández, Andrés
name: Caso-Niebla, Joaquín
name: Díaz, Carlos
Publisher: name: sowi-online e.V., Bielefeld
Year: 2016

description: The purpose of this study was to empirically test two major theoretical models: a modified version of the social capital model (Pattie, Seyd and Whiteley, 2003), and the Informed Social Engagement Model (Barr and Selman, 2014; Selman and Kwok, 2010), to explain civic participation and civic knowledge of adolescents from Chile, Colombia and Mexico, using data from the International Civic and Citizenship Education Study 2009 (Schulz, et al., 2010). The models were used to identify factors associated with different levels of knowledge and civic participation: expected participation in legal and illegal protests, and electoral participation.

Data were analyzed using regression analysis. Results show that the Informed Social Engagement approach (ISEM), explains better the observed differences in civic knowledge and civic participation, than the Social Capital Model (SCM). That is, the expected values associated with the variables included in the ISEM are closer to the observed values, than those predicted by the SCM. This is true for the three outcomes (expected participation in legal protests, illegal protests, and electoral participation) and in the three countries analyzed (Chile, Colombia and Mexico).
description: JSSE - Journal of Social Science Education, 1-2016 Digital Tools and Social Science Education
The (Self-Similar, Variational) Rolling Stones
Creators: name: Langharst, Dylan
name: Ulivelli, Jacopo
Publisher: name: arXiv
Year: 2023
Subjects: subject: Functional Analysis (math.FA)
subject: Analysis of PDEs (math.AP)
subject: Metric Geometry (math.MG)
subject: FOS: Mathematics
subject: 52A20, 35J05, 52A40, 49N99

description: The interplay between variational functionals and the Brunn-Minkowski Theory is a well-established phenomenon widely investigated in the last thirty years. In this work, we prove the existence of solutions to the even logarithmic Minkowski problems arising from variational functionals, such as the first eigenvalue of the Laplacian and the torsional rigidity. In particular, we lay down a blueprint showing that the same result holds for more generic functionals by adapting the volume case from Böröczky, Lutwak, Yang, and Zhang. We show how these results imply the existence of self-similar solutions to variational flow problems à la Firey's worn stone problem.
description: 16-18 pages; added connection to Firey's worn stones (v2) and clarifying comments concerning the scope of the results (v3). We greatly improved the presentation of the construction of set-dependent Borel measures (v4). Added IMRN DOI and fixed some grammar typos (v5)
A New Collisional Ring Galaxy at z = 0.111: Auriga's Wheel
Creators: name: Conn, Blair C.
name: Pasquali, Anna
name: Pompei, Emanuela
name: Lane, Richard R.
name: Chené, André-Nicolas
name: Smith, Rory
name: Lewis, Geraint F.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We report the serendipitous discovery of a collision ring galaxy, identified as 2MASX J06470249+4554022, which we have dubbed 'Auriga's Wheel', found in a SUPRIME-CAM frame as part of a larger Milky Way survey. This peculiar class of galaxies is the result of a near head-on collision between typically, a late type and an early type galaxy. Subsequent GMOS-N long-slit spectroscopy has confirmed both the relative proximity of the components of this interacting pair and shown it to have a redshift of 0.111. Analysis of the spectroscopy reveals that the late type galaxy is a LINER class Active Galactic Nuclei while the early type galaxy is also potentially an AGN candidate, this is very uncommon amongst known collision ring galaxies. Preliminary modeling of the ring finds an expansion velocity of ~200 kms^-1 consistent with our observations, making the collision about 50 Myr old. The ring currently has a radius of about 10 kpc and a bridge of stars and gas is also visible connecting the two galaxies.
description: 9 pages, 5 figures and 4 tables. Accepted for publication in ApJ
Real-World Engagement with Controversial Issues in History and Social Studies: Teaching for Transformative Experiences and Conceptual Change
Creators: name: Alongi, Marc D
name: Heddy, Benjamin C
name: Sinatra, Gale M
Publisher: name: sowi-online e.V., Bielefeld
Year: 2016

description: Controversial issues have been established within the larger framework of civic education as an effective pedagogical approach to developing critical thinking in the classroom, preparing students with intellectual habits necessary for participation in scholarship, civic life and democracy. In this study, we found that a pedagogical intervention, Teaching for Transformative Experience in History, in some cases led to significantly higher engagement with political concepts beyond the classroom, and in other cases, the intervention led to significantly improved conceptual change. The study addresses some of the challenges presented by the research on civic education, providing a potential framework for developing pedagogical practice in history and social studies education that grounds a participatory, meaning-making process in curriculum design and assessment framed by controversial issues.
description: JSSE - Journal of Social Science Education, 2-2016 Controversial Issues in the Political Classroom
Frequency dependent transport through a spin chain
Creators: name: van Hoogdalem, Kevin A.
name: Loss, Daniel
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Motivated by potential applications in spintronics, we study frequency dependent spin transport in nonitinerant one-dimensional spin chains. We propose a system that behaves as a capacitor for the spin degree of freedom. It consists of a spin chain with two impurities a distance $d$ apart. We find that at low energy (frequency) the impurities flow to strong coupling, thereby effectively cutting the chain into three parts, with the middle island containing a discrete number of spin excitations. At finite frequency spin transport through the system increases. We find a strong dependence of the finite frequency characteristics both on the anisotropy of the spin chain and the applied magnetic field. We propose a method to measure the finite-frequency conductance in this system.
Massive Gravity is not Positive
Creators: name: Bellazzini, Brando
name: Isabella, Giulia
name: Ricossa, Sergio
name: Riva, Francesco
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We derive new positivity bounds at finite momentum transfer, assuming a large separation between the mass $m$ of the lightest particle in the effective theory and the mass gap $M$ to new heavy states. Massive gravity parametrically violates these bounds unless the cutoff is within one order of magnitude of the graviton mass $M\lesssim O(10)m$. Non-gravitational effective theories of massive spin-2 particles are similarly bounded.
description: v2: 8 pages + appendices & references, 3 figures. Typos fixed, references added, discussion on negativity of general spin-2 EFTs included
“...not simply say that they are all Nazis.” Controversy in Discussions of Current Topics in German Civics Classes
Creators: name: Jahr, David
name: Hempel, Christopher
name: Heinz, Marcus
Publisher: name: sowi-online e.V., Bielefeld
Year: 2016

description: Studies have shown that the Requirement of Controversy defined in the German Beutelsbach Consensus is repeatedly violated in the practice of teaching Civic Education. However, little is known about the impact that different teaching settings have on the quality of controversy in the classroom. In this article, two scenes of classroom discussions that deal with current topics are analysed and compared by using reconstructive research methods: the ‘Numbers of the Day’ [Zahlen des Tages] as a teacher-centred classroom discussion and the ‘Weekly Newsreel’ [Wochenschau] as a student-led classroom discussion. We could reconstruct an active prevention of controversy in the ‘Numbers of the Day’. In contrary, the discussion in the ‘Weekly Newsreel’ is developing in a modus of disagreement. By analysing the discussion with the documentary method, we show that this controversy is based on homogeneous (and so non-controversial) shared orientations among the students. This leads to the result that the foreground of a discussion should be distinguished from its background of milieu-based orientations. This outcome raises new questions regarding controversy in Civic Education classrooms.

Empirische Studien haben gezeigt, dass es im Politikunterricht regelmäßig zu Verletzungen des im Beutelsbacher Konsens verankerten Kontroversitätsgebots kommt. Wenig ist hingegen darüber bekannt, wie sich bestimmte didaktisch-methodische Settings auf Ausmaß und Formen der Kontroversität im Unterricht auswirken. Im vorliegenden Artikel werden zwei solcher Settings, in denen aktuelle gesellschaftliche Themen verhandelt werden (die ‚Zahlen des Tages‘ als lehrerzentrierte Klassendiskussion und die ‚Wochenschau‘ als schülergeleitete Klassen-diskussion), hinsichtlich ihrer Auswirkung auf Kontroversität im Klassenzimmer qualitativ analysiert. Rekonstruiert werden konnte einerseits ein weitgehendes Verhindern von Kontroversität bei den ‚Zahlen des Tages‘. In der ‚Wochenschau‘ hingegen entfaltet sich durchaus eine Kontroversität im Klassenzimmer. Mit Hilfe der Dokumentarischen Methode kann dabei aber gezeigt werden, dass auf der Ebene des impliziten Wissens mehrere, teilweise problematische geteilte Orientierungen in der untersuchten Klasse vorliegen. Dies führt zur Feststellung, dass man Lerngruppen hinsichtlich ihrer Kontroversität auf zwei Ebenen unterschieden muss: auf einer schneller kontrovers erscheinenden, vordergründigen Ebene und einer tieferliegenden Ebene des milieu-basierten Hintergrunds kollektiver Orientierungen. Diese Diagnose stellt neue Fragen bezüglich Kontroversität im Politikunterricht
description: JSSE - Journal of Social Science Education, 2-2016 Controversial Issues in the Political Classroom
Probing the spin states of three interacting electrons in quantum dots
Creators: name: Gamucci, Andrea
name: Pellegrini, Vittorio
name: Singha, Achintya
name: Pinczuk, Aron
name: Pfeiffer, Loren N.
name: West, Kenneth W.
name: Rontani, Massimo
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We observe a low-lying sharp spin mode of three interacting electrons in an array of nanofabricated AlGaAs/GaAs quantum dots by means of resonant inelastic light scattering. The finding is enabled by a suppression of the inhomogeneous contribution to the excitation spectra obtained by reducing the number of optically-probed quantum dots. Supported by configuration-interaction calculations we argue that the observed spin mode offers a direct probe of Stoner ferromagnetism in the simplest case of three interacting spin one-half fermions.
Data and codes from: Shrinking body size of European anchovy in the Bay of Biscay
Creators: name: Gonzalez Taboada, Fernando
name: Chust, Guillem
name: Santos Mocoroa, María
name: Aldanondo, Naroa
name: Fontán, Almudena
name: Cotano, Unai
name: Álvarez, Paula
name: Erauskin-Extramiana, Maite
name: Irigoien, Xabier
name: Fernandes-Salvador, Jose A
name: Boyra, Guillermo
name: Uriarte, Andrés
name: Ibaibarriaga, Leire
Publisher: name: Zenodo
Year: 2023

description: sizanc
This repository provides the data and codes used in the manuscript:
Taboada, FG, G Chust, M Santos, N Aldanondo, A Fontán, U Cotano, P Álvarez, M Erauskin-Extramiana, X Irigoien, JA Fernandes-Salvador, G Boyra, A Uriarte, and L Ibaibarriaga. 2023. Shrinking body size of European anchovy in the Bay of Biscay. Global Change Biology
Please check the gitlab repo sizanc for updates.
The study is based on data from Bioman and Juvena surveys, which are funded by the European Commission (Data Collection Framework), the Department of Economic Development, Sustainability and Environment of the Basque Government, and the General Secretariat for Fisheries of the Spanish Government. For more information, see Santos et al [2023] (Bioman) and Boyra et al [2013] (Juvena), or feel free to directly contact María Santos or Naroa Aldanondo, respectively.
Medium induced gluon spectrum in dense inhomogeneous matter
Creators: name: Barata, João
name: López, Xoán Mayo
name: Sadofyev, Andrey V.
name: Salgado, Carlos A.
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We calculate the spectrum of gluons sourced by the branching of an energetic quark in the presence of an inhomogeneous QCD medium, focusing on the soft radiation limit. We take into account multiple soft interactions between the partons and matter, treating the transverse variations of its parameters within a gradient expansion. Thus, we derive the general form of the medium induced spectrum up to the first order in gradients, and consider its simplifying limits. In particular, we show that to the leading order in matter gradients and using the harmonic approximation for the scattering potential, the full gluon spectrum can be written in a compact closed form suitable for numerical evaluation. The final gluon transverse momentum tends to align along the anisotropy direction, resulting in a non-trivial azimuthal pattern in the jet substructure.
description: 28 pages, 3 figures, published version
Argument, Counterargument, and Integration? Patterns of Argument Reappraisal in Controversial Classroom Discussions
Creators: name: Gronostay, Dorothee
Publisher: name: sowi-online e.V., Bielefeld
Year: 2016

description: Being challenged by opposing views in a controversial discussion can stimulate the production of more elaborate and sophisticated argumentations. According to the model of argument reappraisal (Leitão, 2000), such processes require transactivity, meaning that students do not only give reasons to support their own position (e.g., pro/contra argument) but also try to refute the opponent’s claims (e.g., counterargument) and respond to critique (e.g., integration). However, there is little research in the field of political education that systematically examines how processes of argument reappraisal unfold in student-centered classroom discussions when students were asked to defend (randomly) assigned positions (pro/contra). In this study, four civic education classes (8th/9th grade) in Germany received the same standardized political learning unit and conducted a controversial fishbowl discussion. A total of 452 argumentative moves were coded for argumentative transactivity. The characteristics of this type of discourse will be described regarding the use of argumentative moves and the complexity of argumentations. Explorative sequential analyses revealed five patterns of argument reappraisal that will be illustrated by transcript excerpts.
description: JSSE - Journal of Social Science Education, 2-2016 Controversial Issues in the Political Classroom
The Beutelsbach Consensus
Creators: name: Reinhardt, Sibylle
Publisher: name: sowi-online e.V., Bielefeld
Year: 2016

description: In 2016 there is an important anniversary coming up: The Beutelsbach consensus will have its 40th birthday. This consensus is of vital significance for the German dispute and discussion on teaching civics. Therefore we want to comment on how it was generated and how big its importance still is.
description: JSSE - Journal of Social Science Education, 2-2016 Controversial Issues in the Political Classroom
Evidence for Quadratic Tidal Tensor Bias from the Halo Bispectrum
Creators: name: Baldauf, Tobias
name: Seljak, Uros
name: Desjacques, Vincent
name: McDonald, Patrick
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The relation between the clustering properties of luminous matter in the form of galaxies and the underlying dark matter distribution is of fundamental importance for the interpretation of ongoing and upcoming galaxy surveys. The so called local bias model, where galaxy density is a function of local matter density, is frequently discussed as a means to infer the matter power spectrum or correlation function from the measured galaxy correlation. However, gravitational evolution generates a term quadratic in the tidal tensor and thus non-local in the density field, even if this term is absent in the initial conditions (Lagrangian space). Because the term is quadratic, it contributes as a loop correction to the power spectrum, so the standard linear bias picture still applies on large scales, however, it contributes at leading order to the bispectrum for which it is significant on all scales. Such a term could also be present in Lagrangian space if halo formation were influenced by the tidal field. We measure the corresponding coupling strengths from the matter-matter-halo bispectrum in numerical simulations and find a non-vanishing coefficient for the tidal tensor term. We find no scale dependence of the bias parameters up to k=0.1 h/Mpc and that the tidal effect is increasing with halo mass. While the Lagrangian bias picture is a better description of our results than the Eulerian bias picture, our results suggest that there might be a tidal tensor bias already in the initial conditions. We also find that the coefficients of the quadratic density term deviate quite strongly from the theoretical predictions based on the spherical collapse model and a universal mass function. Both quadratic density and tidal tensor bias terms must be included in the modeling of galaxy clustering of current and future surveys if one wants to achieve the high precision cosmology promise of these datasets.
description: 14 pages, 4 figures, 1 table
Appendix 1: Volcaniclastic deposits and sedimentation processes around volcanic ocean islands: the central Azores
Creators: name: Chang, Yu-Chun
name: Mitchell, Neil C.
name: Hansteen, Thor H.
name: Schindlbeck-Belo, Julie C.
name: Freundt, Armin
Publisher: name: Geological Society of London
Year: 2021
Subjects: subject: Geology
subject: FOS: Earth and related environmental sciences

description: Characteristics and interpretations of volcaniclastic-rich layers