cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Los estudios en arqueomusicología americana y la información de Max Uhle en sus notas manuscritas
Creators: name: Gudemos, Mónica
Publisher: name: INDIANA
Year: 2006

description: Durante su primera expedición en América del Sur, iniciada en Argentina en 1892, el investigador alemán Max Uhle (1856-1944) registró en sus agendas de viaje datos de gran interés para el estudio del material arqueológico procedente del Área Surandina. En nuestra investigación, dichos datos han sido de valor para la identificación y localización de instrumentos musicales pre-hispánicos del Noroeste de Argentina.
description: INDIANA, Bd. 23 (2006)
Knotted solutions for linear and nonlinear theories: electromagnetism and fluid dynamics
Creators: name: Alves, Daniel F. W.
name: Hoyos, Carlos
name: Nastase, Horatiu
name: Sonnenschein, Jacob
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: Pattern Formation and Solitons (nlin.PS)
subject: Fluid Dynamics (physics.flu-dyn)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We examine knotted solutions, the most simple of which is the "Hopfion", from the point of view of relations between electromagnetism and ideal fluid dynamics. A map between fluid dynamics and electromagnetism works for initial conditions or for linear perturbations, allowing us to find new knotted fluid solutions. Knotted solutions are also found to to be solutions of nonlinear generalizations of electromagnetism, and of quantum-corrected actions for electromagnetism coupled to other modes. For null configurations, electromagnetism can be described as a null pressureless fluid, for which we can find solutions from the knotted solutions of electromagnetism. We also map them to solutions of Euler's equations, obtained from a type of nonrelativistic reduction of the relativistic fluid equations.
description: 5 pages plus references; references added
Gobernabilidad y pobreza: proyectos productivos para mujeres indígenas mazahuas del Estado de México
Creators: name: Pineda Ruiz, Siboney
name: Vizcarra Bordi, Ivonne
name: Lutz Bachère, Bruno
Publisher: name: INDIANA
Year: 2006

description: Bajo el enfoque de gobernabilidad, este estudio es el resultado de una investigación sobre el sitio que ocupan las mujeres indígenas en las políticas públicas de desarrollo. Al menos en los discursos, las mujeres indígenas son imprescindible en las políticas de combate a la pobreza, tanto en el ámbito internacional como en las políticas sociales, nacionales y estatales en México. Esta investigación realizada en la región central de México donde habita el grupo indígena mazahua, muestra que la perspectiva de género en las instituciones y los proyectos de desarrollo para las mujeres mazahuas presentaron sesgos y deficiencias graves asociadas a las estructuras masculinizadas de la burocracia, las cuales no permitieron que el programa Proyectos Productivos para las Mujeres, llegara hasta las comunidades marginadas del Noroeste del Estado de México.
description: INDIANA, Bd. 23 (2006)
Bulk viscous effects on flow and dilepton radiation in a hybrid approach
Creators: name: Vujanovic, Gojko
name: Paquet, Jean-François
name: Ryu, Sangwook
name: Shen, Chun
name: Denicol, Gabriel S.
name: Jeon, Sangyong
name: Gale, Charles
name: Heinz, Ulrich
Publisher: name: arXiv
Year: 2017
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Starting from IP-Glasma initial conditions, we investigate the effects of bulk pressure on low mass dilepton production at the Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider (LHC) energies. Though thermal dilepton $v_2$ is affected by the presence of both bulk and shear viscosity, whether or not these effects can be measured depends on the dilepton "cocktail" contribution to the the low mass dilepton $v_2$. Combining the thermal and "cocktail" dileptons, the effects of bulk viscosity on total dilepton $v_2$ is investigated.
description: Proceedings for the 26th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions (Quark Matter 2017), February 5-11 2017, Chicago, Illinois, USA
Olin. Zur Bedeutung von Erdbeben und deren Registrierung bei den Azteken
Creators: name: Thiemer-Sachse, Ursula
Publisher: name: INDIANA
Year: 2006

description: En resumen, se puede constatar que no sólo en las representaciones pictográficas, sino también en los textos de los anales aztecas que fueron registrados en los tiempos coloniales tempranos se demuestran distinciones a través de diferentes representaciones y formulaciones. Los aztecas registraron distintas intensidades de terremotos, se expresaron los estragos. No solamente son los ideogramas transmitidos del pasado antiguo en cierta forma normalizados en su utilización, sino también los grupos de palabras que demuestran poca variedad estilística. Además de la destrucción de las propias viviendas, en particular la de las montañas era de grave importancia para los aztecas. Habían experimentado deslizamientos y derrumbes de la montaña producidos por terremotos de modo que quedaron enterrados los pueblos en las laderas. Además, se declaró que los terremotos más intensos provocaron el despliegue de grietas por la tierra. Sin embargo, no se hizo referencia a las víctimas muertes. Obviamente su número no era conocido por los informantes, ya que se debe suponer que en los pueblos sepultados murieron seres humanos. En conjunto, se trataba de aclarar el fenómeno de los terremotos por medio de registros. De esta manera los aztecas esperaron dominarlo ritualmente para asegurar su propio futuro. Se trata de un enfoque muy modesto para una visión científica del mundo, cuyos impulsos derivaron de la cosmogonía de carácter religioso.
description: INDIANA, Bd. 23 (2006)
The infrared to X-ray correlation spectra of unobscured type 1 active galactic nuclei
Creators: name: García-Bernete, I.
name: Almeida, C. Ramos
name: Landt, H.
name: Ward, M. J.
name: Baloković, M.
name: Acosta-Pulido, J. A.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We use new X-ray data obtained with the Nuclear Spectroscopic Telescope Array (NuSTAR), near-infrared (NIR) fluxes, and mid-infrared (MIR) spectra of a sample of 24 unobscured type 1 active galactic nuclei (AGN) to study the correlation between various hard X-ray bands between 3 and 80 keV and the infrared (IR) emission. The IR to X-ray correlation spectrum (IRXCS) shows a maximum at ~15-20 micron, coincident with the peak of the AGN contribution to the MIR spectra of the majority of the sample. There is also a NIR correlation peak at ~2 micron, which we associate with the NIR bump observed in some type 1 AGN at ~1-5 micron and is likely produced by nuclear hot dust emission. The IRXCS shows practically the same behaviour in all the X-ray bands considered, indicating a common origin for all of them. We finally evaluated correlations between the X-ray luminosities and various MIR emission lines. All the lines show a good correlation with the hard X-rays (rho>0.7), but we do not find the expected correlation between their ionization potentials and the strength of the IRXCS.
description: 20 pages, 6 figures, accepted by MNRAS
Out of the Historical Darkness: A Methodological Approach to Uncover the Hidden History of Ethnohistorical Sources
Creators: name: Gunsenheimer, Antje
Publisher: name: INDIANA
Year: 2006

description: The Colonial period has left us with a corpus of indigenous ethnohistorical sources of unknown origin. In many cases, the document history is restricted to the date of discovery by scholars in forgotten remote village archives in the 19th and 20th centuries and a roughly estimated date of origin. Authorship is frequently unknown. The historical significance often remains rather vague   and leads to highly varied interpretations. The methodological challenge of elaborating an appropriate set of research instruments to detect the hidden history of those documents "from within” has been tackled in various ways – with different kinds of documents of different cultures, epochs, and languages. The most famous of these are probably studies on the origin of the Bible. In each case, researchers worked with an individually formed set of analytical instruments. While reconstructing the documentary history of the colonial Yucatec Maya Books of Chilam Balam, the question arose whether there is a universal ‘toolkit’ of analytical instruments that can be used for the analysis of anonymous historical sources in general. The article will demonstrate how different instruments can be combined to reconstruct the documentary development of anonymous sources, providing a better understanding of the profile of the author(s) and a sense of their historical significance. Finally, the results of our research will serve as an example for discussing the possibilities and risks of the methodological approach and its universal character.
description: INDIANA, Bd. 23 (2006)
Cavity Detection Tool (CADET)
Creators: name: Plšek, Tomáš
Publisher: name: Zenodo
Year: 2022

description: The study of jet-inflated X-ray cavities provides a powerful insight into the energetics of atmospheres of early-type galaxies and the AGN feedback phenomenon. Properly estimating their total extent is, however, non-trivial, prone to biases and nearly impossible for poor-quality data. For these reasons, we have decided to harness the power of machine learning to tackle this problem. Using artificially generated images, we have trained a convolutional neural network to produce pixel-wise predictions capturing both the position and extent of detected X-ray cavities. Furthermore, we present how the network performs on real Chandra images of early-type galaxies.
Randomized Verblunsky Parameters in Steklov's Problem
Creators: name: Rush, Keith
Publisher: name: arXiv
Year: 2017
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 42C05

description: We consider randomized Verblunsky parameters for orthogonal polynomials on the unit circle as they relate to the problem of Steklov, bounding the polynomials' uniform norm independent of $n$.
description: 12 pages
"Como cristiano que soy": Testamentos de la elite indígena en el Perú del siglo XVI
Creators: name: Nowack, Kerstin
Publisher: name: INDIANA
Year: 2006

description: El artículo discute testamentos de la elite indígena como un tipo de documentación para los estudios etnohistóricos andinos. El testamento aparece como uno de los documentos más per-sonales e íntimos. Pese a esta intimidad, los testamentos siguen preceptos jurídicos y percepciones religiosas que determinan muchos aspectos de su contenido. Este estudio se con-centra en las partes formales de los testamentos. A base de ejemplos de tes-tamentos del siglo XVI, se reconstruye qué normas deben ser obedecidos en la composición de un testamento valido y hasta qué punto el contenido de estos testamentos podría expresar los deseos de los testadores.
description: INDIANA, Bd. 23 (2006)
Bilderzählung auf den Gefäßen der Nasca-Kultur: Der Fall des "Feliden-Menschen"
Creators: name: Clados, Christiane
Publisher: name: INDIANA
Year: 2003

description: Este artículo es un análisis de diez cerámicas de la fase Nasca Temprano y Nasca Medio (fase Nasca II-V) representando diferentes seres sobrenaturales en escenas complejas. El análisis proporciona una definición detallada del "felino-hombre" lo cual es una deidad muy conocida en el panteón Nasca. Parte felino (cabeza felínica), parte hombre (cuerpo humano), esta deidad consistentemente tiene una porra y trofeos rituales en sus manos. Aparece con una diadema, nariguera y una falda. Está capturado por otras deidades mayor que el. Como la deidad F del Moche panteón el "felino-hombre" está involucrado en acciones diferentes. En algunos casos actúa en batallas míticas. En general la interacción de diferentes actores es una característica de la narración. El análisis muestra que las pinturas de Nasca Temprano y Nasca Medio son partes de una narración o un mito. Aparentemente el felino-hombre juega un papel importante como héroe en el Nasca panteón de la fase Nasca Temprano y Nasca Medio.
description: INDIANA, Vol 19/20 (2003)
Role of the spin-orbit coupling in the Kugel-Khomskii model on the honeycomb lattice
Creators: name: Koga, Akihisa
name: Nakauchi, Shiryu
name: Nasu, Joji
Publisher: name: arXiv
Year: 2017
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We study the effective spin-orbital model for honeycomb-layered transition metal compounds, applying the second-order perturbation theory to the three-orbital Hubbard model with the anisotropic hoppings. This model is reduced to the Kitaev model in the strong spin-orbit coupling limit. Combining the cluster mean-field approximations with the exact diagonalization, we treat the Kugel-Khomskii type superexchange interaction and spin-orbit coupling on an equal footing to discuss ground-state properties. We find that a zigzag ordered state is realized in the model within nearest-neighbor interactions. We clarify how the ordered state competes with the nonmagnetic state, which is adiabatically connected to the quantum spin liquid state realized in a strong spin-orbit coupling limit. Thermodynamic properties are also addressed. The present work should provide another route to account for the Kitaev-based magnetic properties in candidate materials.
description: 5 pages, 5 figures
Szkolny doradca zawodowy oczami młodzieży gimnazjalnej
Creators: name: Gniazdowska, Elżbieta
Publisher: name: Zenodo
Year: 2012
Subjects: doradztwo zawodowe
doradca zawodowy
młodzież szkolna

description: Praca jest próbą spojrzenia na rolę doradcy zawodowego z punktu widzenia uczniów. Jest to manuskrypt pracy dyplomowej napisanej w SGH pod kierunkiem prof. Marty Juchnowicz na studiach podyplomowych „Doradztwo Zawodowe, Kierowanie Rozwojem i Coaching”
"Escenarios plausibles": Hacia la construcción del pasado (Estudio de caso de Chucuito a fines del siglo XIX)
Creators: name: Dedenbach-Salazar Sáenz, Sabine
Publisher: name: INDIANA
Year: 2006

description: La presente contribución muestra que –partiendo de un acercamiento multiperspectivista hacia la microhistoria– es posible construir el pasado en forma de "escenarios plausibles". Se ilustra este tipo de análisis con datos y su interpretación sobre conflictos entre latifundistas y campesinos del sur del Perú en la época del cambio del siglo XIX al XX.
description: INDIANA, Bd. 23 (2006)
Electrolyte solutions at curved electrodes. II. Microscopic approach
Creators: name: Reindl, Andreas
name: Bier, Markus
name: Dietrich, S.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Density functional theory is used to describe electrolyte solutions in contact with electrodes of planar or spherical shape. For the electrolyte solutions we consider the so-called civilized model, in which all species present are treated on equal footing. This allows us to discuss the features of the electric double layer in terms of the differential capacitance. The model provides insight into the microscopic structure of the electric double layer, which goes beyond the mesoscopic approach studied in the accompanying paper. This enables us to judge the relevance of microscopic details, such as the radii of the particles forming the electrolyte solutions or the dipolar character of the solvent particles, and to compare the predictions of various models. Similar to the preceding paper, a general behavior is observed for small radii of the electrode in that in this limit the results become independent of the surface charge density and of the particle radii. However, for large electrode radii non-trivial behaviors are observed. Especially the particle radii and the surface charge density strongly influence the capacitance. From the comparison with the Poisson-Boltzmann approach it becomes apparent that the shape of the electrode determines whether the microscopic details of the full civilized model have to be taken into account or whether already simpler models yield acceptable predictions.
description: accepted for publication in the Journal of Chemical Physics
Superunitary operator and BRST transformations for non-Abelian two-form
Creators: name: Shukla, Dheeraj
name: Kumar, Kuldeep
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Using superspace unitary operator formalism, we derive various (anti-)BRST symmetry transformations explicitly for the non-Abelian 2-form gauge theories. We introduce a new Lagrangian with a coupling of matter fields not only with 1-from background field but also with a 2-form field. Moreover, the two gauge fields couple mutually as well. A new covariant derivative involving the 2-form gauge field is introduced. We also put forth a conjecture to generalise this idea to any p-form gauge theory.
description: LaTeX, 15 pages
Provably-Stable Neural Network-Based Control of Nonlinear Systems
Creators: name: Li, Anran
name: Swensen, John P.
name: Hosseinzadeh, Mehdi
Publisher: name: arXiv
Year: 2025
Subjects: subject: Optimization and Control (math.OC)
subject: Machine Learning (cs.LG)
subject: Systems and Control (eess.SY)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: In recent years, Neural Networks (NNs) have been employed to control nonlinear systems due to their potential capability in dealing with situations that might be difficult for conventional nonlinear control schemes. However, to the best of our knowledge, the current literature on NN-based control lacks theoretical guarantees for stability and tracking performance. This precludes the application of NN-based control schemes to systems where stringent stability and performance guarantees are required. To address this gap, this paper proposes a systematic and comprehensive methodology to design provably-stable NN-based control schemes for affine nonlinear systems. Rigorous analysis is provided to show that the proposed approach guarantees stability of the closed-loop system with the NN in the loop. Also, it is shown that the resulting NN-based control scheme ensures that system states asymptotically converge to a neighborhood around the desired equilibrium point, with a tunable proximity threshold. The proposed methodology is validated and evaluated via simulation studies on an inverted pendulum and experimental studies on a Parrot Bebop 2 drone.
Observational evidence for intermediate-mass black holes
Creators: name: Mezcua, Mar
Publisher: name: arXiv
Year: 2017
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Intermediate-mass black holes (IMBHs), with masses in the range $100-10^{6}$ M$_{\odot}$, are the link between stellar-mass BHs and supermassive BHs (SMBHs). They are thought to be the seeds from which SMBHs grow, which would explain the existence of quasars with BH masses of up to 10$^{10}$ M$_{\odot}$ when the Universe was only 0.8 Gyr old. The detection and study of IMBHs has thus strong implications for understanding how SMBHs form and grow, which is ultimately linked to galaxy formation and growth, as well as for studies of the universality of BH accretion or the epoch of reionisation. Proving the existence of seed BHs in the early Universe is not yet feasible with the current instrumentation; however, those seeds that did not grow into SMBHs can be found as IMBHs in the nearby Universe. In this review I summarize the different scenarios proposed for the formation of IMBHs and gather all the observational evidence for the few hundreds of nearby IMBH candidates found in dwarf galaxies, globular clusters, and ultraluminous X-ray sources, as well as the possible discovery of a few seed BHs at high redshift. I discuss some of their properties, such as X-ray weakness and location in the BH mass scaling relations, and the possibility to discover IMBHs through high velocity clouds, tidal disruption events, gravitational waves, or accretion disks in active galactic nuclei. I finalize with the prospects for the detection of IMBHs with up-coming observatories.
description: Invited review in press in International Journal of Modern Physics D. 45 pages, 13 figures
Wandel von Opferritualen: Hinweise in den Funden von Sipán
Creators: name: Dehnhardt, René
Publisher: name: INDIANA
Year: 2003

description: Las interpretaciones de los restos arqueológicos del sitio moche en Sipán, Perú, se basaron en la comparación de estos restos con la iconografía de la misma cultura. Este método de interpretación ignora el tiempo pasado entre las fuentes iconográficas y los restos arqueológicos de este sitio. Partiendo de la probabilidad de cambios en ceremonias rituales con el tiempo, algunos de los restos arqueológicos de Sipán pueden ser interpretados como una secuencia de cambios. Esta lleva en Sipán de una forma temprana simple del sacrificio ritual de prisioneros sobre el aumento en complejidad a una forma final del sacrificio.
description: INDIANA, Vol 19/20 (2003)
Effect of Cassava Products Consumption on Food Security of Farming Households in Kwara State, Nigeria
Creators: name: SALAU, Shehu Abdulganiyu
name: NOFIU, Nofiu Babatunde
name: JIMOH, Taiwo Abdulazeez
Publisher: name: Journal of Agriculture and Environmental Sciences
Year: 2019

description: Cassava is widely known as a food security crop and about 80% of Nigerians consume cassava products, at least once a day. Nevertheless, food insecurity is still a critical issue among farming households. Consequently, we evaluated the consumption frequency of cassava products and assessed the effect of consumption of cassava products on food security among farming households. Random sampling technique was used to pick 200 farming households for this study. The analytical tools are descriptive statistic, food security index and binary logistic regression. The study revealed that the commonly consumed cassava products by the respondents were Garri, cassava tuber and Fufu. Among cassava based foods, Garri was the most frequently consumed staple. Furthermore, 28% and 72% of the respondents were food secured and in-secured, respectively. The regression analysis indicated that household size, household income, quantity of Garri consumed, quantity of Fufu consumed, quantity of other cassava products consumed and access to credit facilities were the critical factors explaining food security. In addition, eating foods that are less preferred, eating more of Garri and Fufu were the most effectual coping strategies adopted by respondents in cushioning the effects of food insecurity. Government should encourage production of cassava and other leguminous crops by given incentives such as soft loans to farmers. Farmers should also be encouraged to consume cassava products with other protein rich foods. In addition, processors should produce more of Fufu, Lafun and Garri products. Moreover, policies and strategies that raise household income and lowers family size should be enhanced to reduce food insecurity.
description: Journal of Agriculture and Environmental Sciences, Vol 4 No 2 (2019)
Grupos étnicos y estratificación socio-política. Tentativa de interpretación histórica
Creators: name: Dyckerhoff, Ursula
Publisher: name: INDIANA
Year: 2003

description: Referente a la historia de las inmigraciones en la parte norteña de la cuenca de Puebla-Tlaxcala ( México) durante el posclásico no existen fuentes escritas con datos detallados; unicamente en Muñoz Camargo encontramos, para Tlaxcala, unas someras informaciones. Por contra están bien cubiertas las fuentes que informan sobre las etnias inmigrantes en Cuauhtinchan (en el sur de la cuenca) y en Cholula. Chimalpahin es el autor de las correspondientes descripciones sobre la region de Chalco, colindante por el oeste. Para Tlaxcala y Huexotzinco, un analisis comparativo de un inventario de los topónimos de mediados del siglo XVI ( Padrones de Tlaxcala, Matrícula de Huexotzinco) permite establecer, en parte, una atribución -por lo menos originalmente- étnica a las entidades poblacionales. Los datos posibilitan además esclarecer las posiciones sociopolíticas de algunos de los grupos étnicos dentro de los estados prehispánicos.
description: INDIANA, Vol 19/20 (2003)
Zwischen Gewohnheitsrecht und positivem Recht: Zur Diskussion von indigenem Recht. – Das Beispiel Chile
Creators: name: Gentes, Ingo
Publisher: name: INDIANA
Year: 2003

description: Nuevos estudios del derecho consuetudinario y local en los países latinoamericanos han surgido a partir de los noventa en el marco de la implementación de modelos neoliberales de desarrollo y políticas internacionales de reconocimiento y amparo legal. Para lograr los objetivos que fomentan un mayor grado de inclusión, equidad, justicia social y participación cultural en el proceso de construir comunidades políticas, se hace necesario que la actual estructura del estado-nación en la región cambie, aceptando los patrones de un pluralismo legal, especialmente respecto al manejo de recursos territoriales. El ejemplo de Chile evidencia por un lado el carácter integratorio de la actual legislación indígena y por otro lado la escasa inclusión modernizadora de los grupos indígenas en el desarrollo productivo nacional y la falta de un reconocimiento efectivo del derecho consuetudinario local.
description: INDIANA, Vol 19/20 (2003)
Reflexionen über die Lebenssituation der Guarani im Mato Grosso do Sul, Brasilien
Creators: name: Grünberg, Friedl
Publisher: name: INDIANA
Year: 2003

description: En los últimos veinte años la ya precaria situación de los dos pueblos guaraníes viviendo en el Estado Federal Mato Grosso do Sul (Brasil) aún ha empeorado drásticamente. Empezando en los años 30 del siglo XX por el asentamiento forzado en pequeñas reservas, que hoy en día están sobrepobladas en muchos casos, se ha añadido la destrucción completa del ecosistema regional. Estas intervenciones masivas han provocado problemas profundos en la organización política, social y económica de los guaraníes. Sin embargo, en los últimos ocho años no ha sido demarcada ni una de las tierras que según la constitución corresponden a estos grupos indígenas que no cesan de luchar por la legalización de sus tierras. La autora nos ofrece una reflexión sobre las circunstancias problemáticas, la búsqueda de los guaraníes por una nueva orientación y el fenómeno de la violencia dirigida hacia ellos mismos.
description: INDIANA, Vol 19/20 (2003)
Anatomy of an Asteroid Break-Up: The Case of P/2013 R3
Creators: name: Jewitt, Dave
name: Agarwal, Jessica
name: Li, Jing
name: Weaver, Harold
name: Mutchler, Max
name: Larson, Stephen
Publisher: name: arXiv
Year: 2017
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We present an analysis of new and published data on P/2013 R3, the first asteroid detected while disintegrating. Thirteen discrete components are measured in the interval between UT 2013 October 01 and 2014 February 13. We determine a mean, pair-wise velocity dispersion amongst these components of $Δv = 0.33\pm0.03$ m s$^{-1}$ and find that their separation times are staggered over an interval of $\sim$5 months. Dust enveloping the system has, in the first observations, a cross-section $\sim$30 km$^2$ but fades monotonically at a rate consistent with the action of radiation pressure sweeping. The individual components exhibit comet-like morphologies and also fade except where secondary fragmentation is accompanied by the release of additional dust. We find only upper limits to the radii of any embedded solid nuclei, typically $\sim$100 to 200 m (geometric albedo 0.05 assumed). Combined, the components of P/2013 R3 would form a single spherical body with radius $\lesssim$400 m, which is our best estimate of the size of the precursor object. The observations are consistent with rotational disruption of a weak (cohesive strength $\sim$50 to 100 N m$^{-2}$) parent body, $\sim$400 m in radius. Estimated radiation (YORP) spin-up times of this parent are $\lesssim$1 Myr, shorter than the collisional lifetime. If present, water ice sublimating at as little as 10$^{-3}$ kg s$^{-1}$ could generate a torque on the parent body rivaling the YORP torque. Under conservative assumptions about the frequency of similar disruptions, the inferred asteroid debris production rate is $\gtrsim$10$^3$ kg s$^{-1}$, which is at least 4% of the rate needed to maintain the Zodiacal Cloud.
description: 44 pages, 13 figures, accepted by Astronomical Journal
Die Zeichengruppe Z 70 (T 163, 173 & 186) der Maya-Hieroglyphenschrift (Maya-Schriftstudie 19)
Creators: name: Riese, Berthold
Publisher: name: INDIANA
Year: 2003

description: El presente estudio trata de definir unos cuatro signos de la escritura maya que habían sido mal catalogadas por Zimmermann (1956) y Thompson (1962). Además se proponen lecturas silábicas para todos: El signo Z 70b se lee mi y los demás signos, v.g. Z 70a, Z 70c, y Z 70d tienen el valor silábico de le. Estos signos corresponden al la mayor parte del los distintos signos catalogados por Thompson bajo sus números T 163, T 173 y T 186.
description: INDIANA, Vol 19/20 (2003)
OLTEN - HUB FOR CHINESE TOURISTS A research work to increase the obernight stays of Chinese tourists in Olten, Switzerland
Creators: name: Birrer, Jolanda
name: Dannenhauer, Jacqueline
Publisher: name: My University
Year: 2014
Subjects: subject: Olten
subject: tourism
subject: Chinese
subject: tourist
subject: hub
subject: FHNW
subject: analysis
subject: China
subject: Switzerland
subject: study
subject: travel
subject: 330 - Wirtschaft
subject: 659 - Werbung & Public Releations (PR)

description: Being profitable in the tourism industry has always been a challenge especially for unknown destinations. Olten as an intersection destination is interested in increasing the overnight stays of Chinese tourists. Therefore, research has been done focusing on Olten as a hub. (Beitrag ist nur für FHNW Mitarbeitende sichtbar)
An artificial neural network to discover Hypervelocity stars: Candidates in Gaia DR1/TGAS
Creators: name: Marchetti, T.
name: Rossi, E. M.
name: Kordopatis, G.
name: Brown, A. G. A.
name: Rimoldi, A.
name: Starkenburg, E.
name: Youakim, K.
name: Ashley, R.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The paucity of hypervelocity stars (HVSs) known to date has severely hampered their potential to investigate the stellar population of the Galactic Centre and the Galactic Potential. The first Gaia data release gives an opportunity to increase the current sample. The challenge is the disparity between the expected number of hypervelocity stars and that of bound background stars. We have applied a novel data mining algorithm based on machine learning techniques, an artificial neural network, to the Tycho-Gaia astrometric solution (TGAS) catalogue. With no pre-selection of data, we could exclude immediately $\sim 99 \%$ of the stars in the catalogue and find 80 candidates with more than $90\%$ predicted probability to be HVSs, based only on their position, proper motions, and parallax. We have cross-checked our findings with other spectroscopic surveys, determining radial velocities for 30 and spectroscopic distances for 5 candidates. In addition, follow-up observations have been carried out at the Isaac Newton Telescope for 22 stars, for which we obtained radial velocities and distance estimates. We discover 14 stars with a total velocity in the Galactic rest frame > 400 km/s, and 5 of these have a probability $>50\%$ of being unbound from the Milky Way. Tracing back their orbits in different Galactic potential models we find one possible unbound HVS with velocity $\sim$ 520 km/s, 5 bound HVSs, and, notably, 5 runaway stars with median velocity between 400 and 780 km/s. At the moment, uncertainties in the distance estimates and ages are too large to confirm the nature of our candidates by narrowing down their ejection location, and we wait for future Gaia releases to validate the quality of our sample. This test successfully demonstrates the feasibility of our new data mining routine.
description: Published in MNRAS, 17 pages, 10 figures
Femtosecond laser inscribed point-by-point Bragg gratings in few-mode optical fibre
Creators: name: Bhardwaj, Saurabh
Publisher: name: Macquarie University
Year: 2024
Subjects: classificationCode: 399999
subject: Other education not elsewhere classified

description: Femtosecond laser inscribed point-by-point (PbP) gratings are a distinct class of fibre Bragg gratings and have many unique characteristics compared to UV laser inscribed gratings. For PbP gratings, each individual grating site is inscribed one at a time, with tightly focused femtosecond laser pulses, resulting in a unique morphology. This morphology combined with the flexibility of inscribing individual modifications anywhere inside the optical fibre provides practical ways to inscribe complex gratings, whose properties are determined by the interaction of the grating sites with the spatial profile of the fibre modes. The work presented in this thesis explores these areas in detail and provides new insights regarding the fundamental workings of PbP gratings. By employing several different material characterisation techniques, this thesis provides new insights into the grating’s morphological changes. This includes directly measured refractive index profiles, which are of significant practical importance in engineering the grating properties. The PbP gratings interaction with the fibre modes determines the spectral characteristics of the grating. With a combined theoretical and experimental approach, we discuss this in detail and draw contrasts between two different theoretical approaches, namely the coupled mode theory (CMT) and the photonic bandgap (PBG) approach. For strong PbP gratings, CMT starts to fail but the PBG approach provides a clear and accurate picture of the fibre mode interaction with the grating sites. Finally, building on this knowledge we demonstrate ways to control mode coupling in few-mode optical fibres and discuss how the different mode coupling can be tuned in few-mode fibre Bragg grating by changing the spatial position of the grating sites inside the fibre core. These results provide a new understanding of the fundamental properties of PbP gratings and open a path to new ways of controlling mode coupling in few-mode fibre Bragg gratings.
SOFIA/GREAT Discovery of Terahertz Water Masers
Creators: name: Neufeld, David A.
name: Melnick, Gary J.
name: Kaufman, Michael J.
name: Wiesemeyer, Helmut
name: Güsten, Rolf
name: Kraus, Alex
name: Menten, Karl M.
name: Ricken, Oliver
name: Faure, Alexandre
Publisher: name: arXiv
Year: 2017
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We report the discovery of water maser emission at frequencies above 1 THz. Using the GREAT instrument on SOFIA, we have detected emission in the 1.296411 THz 8(27)-7(34) transition of water toward three oxygen-rich evolved stars: W Hya, U Her, and VY CMa. An upper limit on the 1.296 THz line flux was obtained toward R Aql. Near-simultaneous observations of the 22.23508 GHz 6(16)-5(23) water maser transition were carried out towards all four sources using the Effelsberg 100m telescope. The measured line fluxes imply 22 GHz / 1.296 THz photon luminosity ratios of 0.012, 0.12, and 0.83 respectively for W Hya, U Her, and VY CMa, values that confirm the 22 GHz maser transition to be unsaturated in W Hya and U Her. We also detected the 1.884888 THz 8(45)-7(53) transition toward W Hya and VY CMa, and the 1.278266 THz 7(43)-6(52) transition toward VY CMa. Like the 22 GHz maser transition, all three of the THz emission lines detected here originate from the ortho-H2O spin isomer. Based upon a model for the circumstellar envelope of W Hya, we estimate that stimulated emission is responsible for ~ 85% of the observed 1.296 THz line emission, and thus that this transition may be properly described as a terahertz-frequency maser. In the case of the 1.885 THz transition, by contrast, our W Hya model indicates that the observed emission is dominated by spontaneous radiative decay, even though a population inversion exists.
description: Accepted for oublication in ApJ
Lieferantensegmentierung in External Supply Operations bei der Novartis Pharma AG
Creators: name: Kryeziu, Gezim
name: Selmani, Shpend
Publisher: name: My University
Year: 2014
Subjects: subject: Lieferantensegmentierung
subject: Lieferantenbewertung
subject: Novartis
subject: EVA
subject: Scoringmodell
subject: McKinsey
subject: Bewertungsmatrix
subject: weltweit
subject: Pharma
subject: Produktion
subject: Drittlieferanten
subject: Beschaffung
subject: 330 - Wirtschaft
subject: 380 - Handel, Kommunikation, Verkehr

description: Der Wettbewerb in der Pharmabranche wird immer stärker und verlangt nach effizientem Handeln. Die Novartis vertreibt weltweit eine Vielzahl von Produkten. Viele werden bei externen Lieferanten hergestellt, was eine Lieferantensegmentierung notwendig macht. (Beitrag ist nur für FHNW Mitarbeitende sichtbar)
The first relation of Chimalpahin’s Diferentes Historias Originales. Its sources and the author’s intention
Creators: name: Ruhnau, Elke
Publisher: name: INDIANA
Year: 2003

description: The First Relation is the introductory part of an extensive work treating the history of the aboriginal population of the Valley of Mexico. It was written by the native author Chimalpahin in his mother tongue, Nahuatl. He fits the indigenous history into the framework of Universal History, an unmistakably European concept of historiography proving that the Indians have and always had a share in God’s plan to redeem mankind. His argumentation is exclusively based on philosophical, theological and historical writings from the Old World ranging from the Bible, works of philosophers of the Classical World, Fathers of the Church as well as mediaeval and Renaissance theologians.
description: INDIANA, Vol 19/20 (2003)
Vehicle to grid (V2G) evaluation in Brazil (UFJF - Global July 2023)
Creators: name: Antônio Sobrinho
name: Amorim, Caio Cesar
name: Ribeiro, Victor
name: Vinícius Curcio
name: Walquíria Silva
Publisher: name: Zenodo
Year: 2023
Subjects: V2G
Energy System
OSeMOSYs

description: This work aims to assess three questions: 1. How could V2G technology contribute to Brazil's energy transition? 2. Could V2G become a popular practice in the Brazilian scenario? 3. Can V2G contribute to reduce carbon emissions?
Vehicle to grid (V2G) evaluation in Brazil (UFJF - Global July 2023)
Creators: name: Antônio Sobrinho
name: Amorim, Caio Cesar
name: Ribeiro, Victor
name: Vinícius Curcio
name: Walquíria Silva
Publisher: name: Zenodo
Year: 2023
Subjects: V2G
Energy System
OSeMOSYs

description: This presentation intents to evaluate the V2G impacts in the brazilian energy sector.
Kostendeckungsprüfung im Spital Aarberg - Kostendeckungsanalyse von Beratungs- und Therapiedienstleistungen
Creators: name: Krüttli, Manuel
Publisher: name: My University
Year: 2012
Subjects: subject: Kostenrechnung
subject: Deckungsbeitragsrechnung
subject: Spital
subject: Beratungsdienstleistungen
subject: Therapiedienstleistungen
subject: 330 - Wirtschaft
subject: 310 - Allgemeine Statistiken

description: Das Spital Aarberg ist eines von fünf Akutspitälern im Spitalnetz Bern. Es möchte abklären, ob die Beratungs- und Therapiedienstleistungen kostendeckend erbracht werden. In dieser Arbeit wird ein Weg aufgezeigt, wie diese Leistungserbringer auf die Kostendeckung analysiert werden können. (Beitrag ist nur für FHNW Mitarbeitende sichtbar)
Reformierte Kirchgemeinde Oberwil-Therwil-Ettingen: Wie wird die Kirchgemeinde von der Bevölkerung wahrgenommen?
Creators: name: Dreier, Tobias
name: Bürgin, Jens
Publisher: name: My University
Year: 2014
Subjects: subject: Kirche
subject: Religion
subject: Kirchgemeinde
subject: Oberwil
subject: Therwil
subject: Ettingen
subject: Umfrage
subject: Wahrnehmung
subject: Image
subject: Bekanntheit
subject: Gottesdienst
subject: Angebote
subject: 330 - Wirtschaft
subject: 659 - Werbung & Public Releations (PR)

description: Die christlichen Kirchen sehen sich seit Jahren einer immer geringeren Anzahl Mitgliedern gegenüber. Dieser Mitgliederschwund bewirkt zudem eine Verknappung der finanziellen Ressourcen. Auch die reformierte Kirchgemeinde Oberwil, Therwil, Ettingen ist von diesen Entwicklungen betroffen. (Beitrag ist nur für FHNW Mitarbeitende sichtbar)
Max Uhle und seine Ideen über den Ursprung der vorspanischen andinen Kulturen
Creators: name: Thiemer-Sachse, Ursula
Publisher: name: INDIANA
Year: 2003

description: Por su trabajo en los muesos etnológicos de Dresden y Berlín, Max Uhle había sido influenciado por las ideas evolucionistas de la etnología museística del fin del siglo XIX. Durante su trabajo arqueológico en la zona andina, especialmente entre los años 20 y 30 de su estancia en Ecuador, Uhle se distanció críticamente de las "ideas elementales". Pero también discutió con muchas reservas las teorías de los "círculos culturales" del padre W. Schmidt. Buscando una explicación para el desarrollo de las culturas pre-incaicas desarrolló ideas de una difusión de las culturas centroamericanas, es decir mexicanas, especialmente la maya, al sur. Creyó haber encontrado muchas semejanzas entre los hallazgos arqueológicos de ambas regiones, postulando la anterioridad de la cultura maya. Uhle comprendió la zona maya y lo que más tarde se llamó Mesoamérica como uno de los tres focos de civilización mundial, al lado del mundo mediterráneo y de China.
description: INDIANA, Vol 19/20 (2003)
Introducción al dossier
Creators: name: Gutiérrez Estévez, Manuel
name: Münzel, Mark
Publisher: name: INDIANA
Year: 2003

description: Las observaciones introductorias describen el contenido de este dossier que muestra el entrelazamiento de la discusión teórica de problemas esenciales con algunas actitudes novedosas hacia el trabajo de campo, dentro de la antropología americanista actual de los países ibéricos. La visión y reflexión indígenas como punto de salida, los enfoques multidisciplinarios, dialécticos y dialógicos, procesos identitarios, la ‘hibridez’ de culturas y el papel central normativo de objetos clave de sociedades/culturas son temas básicos de las contribuciones aquí reunidas.
description: INDIANA, Vol 19/20 (2003)
Teorías culturales posmodernas de Latinoamérica (y su importancia para la etnología)
Creators: name: Schmidt, Bettina E.
Publisher: name: INDIANA
Year: 2003

description: Esta contribución presenta, en una revisión crítica, un panorama de teorías culturales recientes formuladas por algunos importantes investigadores latinoamericanos, partiendo de estudios que se han concentrado en el concepto del mestizaje, y pasando por estudios que se orientan en la noción de la heterogeneidad cultural. Presta atención especial al tema de las culturas híbridas (sobre todo propuesto por García Canclini) el que enfoca los procesos dinámicos y cambios dentro de las culturas populares (p.ej., dentro de nuevos desarrollos en la producción y los usos de las artes populares) y dentro de una cultura de masas (p.ej., en las "telenovelas"), así como modificaciones del concepto "híbrido" como, p.ej., en los estudios socio-lingüísticos de Zires. Entra, en ese contexto, en los debates sobre la posmodernidad latinoamericana (Paz, Martín-Barbero, Brunner, García Canclini, Monsiváis y otros), y trata de evaluar la relevancia de los conceptos discutidos para la antropología/etnología en general.
description: INDIANA, Vol 19/20 (2003)
Free energy distribution of the stationary O'Connell-Yor directed random polymer model
Creators: name: Imamura, Takashi
name: Sasamoto, Tomohiro
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mathematical Physics (math-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Probability (math.PR)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We study the semi-discrete directed polymer model introduced by O'Connell-Yor in its stationary regime, based on our previous work on the stationary $q$-totally asymmetric simple exclusion process ($q$-TASEP) using a two-sided $q$-Whittaker process. We give a formula for the free energy distribution of the polymer model in terms of Fredholm determinant and show that the universal KPZ stationary distribution appears in the long time limit. We also consider the limit to the stationary KPZ equation and discuss the connections with previously found formulas.
description: 39 pages, 3 figures
MPEC 2024-Q60 : 2024 QV
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2024
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2024 QV

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Erosión y transformación de las identidades en Chile
Creators: name: Bengoa, José
Publisher: name: INDIANA
Year: 2003

description: Esta contribución examina, en el caso de Chile, desde diferentes puntos de vista, los procesos históricos y los desarrollos recientes y actuales en la formación y "erosión" de la identidad nacional así como las transformaciones entre y dentro de identidades sociales múltiples y superpuestas. Partiendo desde la articulación de la voluntad de unidad y de la construcción del discurso histórico (y del territorio homogéneo del Estado), revisa los discursos dentro de las ciencias sociales entre globalización y diversidad así como las actitudes históricas en contra de la diversidad, y analiza la crisis de la idea del Estado Nacional y la creciente fragmentación identitaria.
description: INDIANA, Vol 19/20 (2003)
De la percepción en antropología. Algunas reflexiones sobre la noción de persona desde los estudios amazónicos
Creators: name: Surrallés, Alexandre
Publisher: name: INDIANA
Year: 2003

description: La "percepción" sirve, en esta contribución, como punto de partida para aproximarse a una comprensión más adecuada de los conceptos de la persona y de lo social dentro de los estudios antropológicos. Los análisis del autor derivan de experiencias etnográficas en sociedades y culturas del conjunto jívaro, en especial de los Candoshi (Perú), y, en un sentido más amplio y comparativo, de un número mayor de trabajos más recientes relacionados con los pueblos amerindios de la Amazonía en general (incluyendo, además, algunas publicaciones sobre Melanesia). Las visiones autóctonas amazónicas de la construcción de la persona (que incluyen también a no humanos) se fundamentan en el concepto de la corporalidad como base de percepciones y emociones. Un modelo tripartito de relaciones interiores y exteriores, entre cuerpo y mundo, proporciona, según la propuesta del autor, elementos de una teoría amerindia de la percepción donde la persona se aparta de la noción de "individualidad".
description: INDIANA, Vol 19/20 (2003)