cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Curvature-induced stiffening of a fish fin
Creators: name: Nguyen, Khoi
name: Yu, Ning
name: Bandi, Mahesh M.
name: Venkadesan, Madhusudhan
name: Mandre, Shreyas
Publisher: name: arXiv
Year: 2016
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: Soft Condensed Matter (cond-mat.soft)
subject: Biological Physics (physics.bio-ph)
subject: FOS: Physical sciences

description: How fish modulate their fin stiffness during locomotive manoeuvres remains unknown. We show that changing the fin's curvature modulates its stiffness. Modelling the fin as bendable bony rays held together by a membrane, we deduce that fin curvature is manifested as a misalignment of the principal bending axes between neighbouring rays. An external force causes neighbouring rays to bend and splay apart, and thus stretches the membrane. This coupling between bending the rays and stretching the membrane underlies the increase in stiffness. Using analysis of a 3D reconstruction of a Mackerel (Scomber japonicus) pectoral fin, we calculate the range of stiffnesses this fin is expected to span by changing curvature. The 3D reconstruction shows that, even in its geometrically flat state, a functional curvature is embedded within the fin microstructure owing to the morphology of individual rays. Since the ability of a propulsive surface to transmit force to the surrounding fluid is limited by its stiffness, the fin curvature controls the coupling between the fish and its surrounding fluid. Thereby, our results provide mechanical underpinnings and morphological predictions for the hypothesis that the spanned range of fin stiffnesses correlates with the behaviour and the ecological niche of the fish.
Una mirada a la mujer de hoy
Creators: name: Pretelt Villadiego, Estela
Publisher: name: Universidad de Cartagena
Year: 2003
Subjects: Sociolingüística - Investigaciones
Aceptabilidad (lingüística)
Lenguaje y cultura
Historia social

description: Tesis (Profesional en Lingüística y Literatura) -- Universidad de Cartagena. Facultad de Ciencias Humanas. Programa de Lingüística y Literatura, 2003
description: En este trabajo pretende hacer una reflexión teórica sobre algunas creencias o valores que subyacen en la ideología patriarcal con respecto a ciertos estereotipos femeninos como la belleza, la maternidad y sexualidad. También quiero resaltar el aporte laboral que la mujer ha gestado y como la producción femenina ha sido valiosa aunque para el régimen patriarcal haya sido un problema, pues nos encontramos en un momento de ruptura de muchos saberes y verdades que se pensaban incuestionables.
Universal Berezinskii-Kosterlitz-Thouless dynamic scaling in the intermediate timerange in frustrated Heisenberg antiferromagnets on triangular lattice
Creators: name: Popov, I. S.
name: Prudnikov, P. V.
name: Ignatenko, A. N.
name: Katanin, A. A.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We investigate non-equilibrium properties of the frustrated Heisenberg antiferromagnets on the triangular lattice. Nonequilibrium critical relaxation of frustrated Heisenberg antiferromagnets shows a dynamic transition (or, at least, sharp crossover) at the same temperature $T_{\rm u}=0.282 J$ as for static properties due to unbinding of $\mathbb{Z}_2$-vortices. We show that starting from the high-temperature initial state, due to presence of $\mathbb{Z}_2$-vortices in the considering system, in a broad temperature range $T
description: 9 pages, 9 figures
Desarrollo de una herramienta computacional para la evaluación de costos de equipos de proceso industriales
Creators: name: López Espitia, Hugo M.
name: Maldonado Alfaro, Luís C.
Publisher: name: Universidad de Cartagena
Year: 2012
Subjects: Diseño del proceso
Costo

description: Tesis (Ingeniero Químico) --Universidad de Cartagena. Facultad de Ciencias E Ingenierías. Programa de Ingeniería Química, 2012
description: Este trabajo presenta el desarrollo de una herramienta computacional para estimar los costos puestos en puerto (f.o.b, por sus siglas en ingles) de equipos de procesos industriales. Para esto se hizo una clasificación de los equipos comunes utilizando los simuladores de procesos comerciales: Hysys, Unisim, Chemcad y SuperProDesign, de donde se obtuvo una matriz de estos equipos, como por ejemplo los tanques, intercambiadores de calor, bombas, compresores, entre otros. Además dicha matriz también permitió observar los equipos que sean poco comunes y que sean de interés de industrias específicas, por ejemplo el fermentador. A partir de lo cual se determinaron los métodos de estimación más acertados, que posteriormente serían programados, Observándose que la mayoría de métodos gráficos daban un ajuste cercano a la realidad y eran más efectivos, debido a que no solo relacionaban un costo base de construcción, sino, que también relacionaban distintos factores como los de presión, tipo y material, los cuales permiten un ajuste más preciso de los costos. Estos costos de compra, están dados para un año de referencia, y se actualizan mediante unos índices de costos, los más usados son los Índices de Costos de Equipos e Ingeniería Química y los Índices de Costos para Industrias de Marshall and Swift. Después se desarrolló la herramienta objeto de este proyecto, llamada UDCOST. Para validar la efectividad de esta herramienta los resultados obtenidos se compararon con los arrojados por el software Aspen In PlantCost evaluando tres casos de estudio que incluían equipos tales como columna de destilación, evaporador e intercambiador de calor los cuales son representativos de industrias de procesos químicos y biotecnológicos. Los porcentajes de error obtenidos de esta comparación fueron 5.44% (columna de destilación), 8 % (evaporador) y 38 % (intercambiador de calor), siendo este ultimo un poco mayor debido a que en el mercado han entrado nuevas tecnologías que disminuyen los costos de manufactura del equipo y que son consideradas por el software de Aspen.
Mathematische Anforderungen für Studienanfänger an Schweizer Hochschulen
Creators: name: Rüede, Christian
name: Weber, Christof
name: Eberle, Franz
Publisher: name: Gesellschaft für Didaktik der Mathematik
Year: 2014
Subjects: subject: 510

description: Gegenwärtig wird im deutschsprachigen Raum die Schnittstelle Gymnasium–Hochschule diskutiert. Anlass geben einerseits Klagen der Hochschulen über mangelhafte Kenntnisse von Studienanfängern in Erstsprache und Mathematik, und andererseits die hohen Durchfallquoten in den ersten Prüfungen, ganz besonders bei mathematischen Lehrveranstaltungen. Diese Diskussion ist besonders für die Schweiz brisant, da hier die gymnasiale Matur einen prüfungsfreien Zugang zu allen Studiengängen der Hochschulen gewährleistet (Ausnahme: Medizin). Um diesen prüfungsfreien Hochschulzugang weiterhin sicherzustellen, hat die Schweizerische Erziehungsdirektorenkonferenz (EDK) deshalb eine Studie in Auftrag gegeben, um sogenannte „basale fachliche Studierkompetenzen“ in Erstsprache und Mathematik zu definieren (Eberle, 2012). Damit ist jenes Wissens und Könnens in Erstsprache und Mathematik gemeint, welches für das Bestehen der ersten beiden Semester einer breiten Zahl von Studiengängen unabdingbar ist. Die Idee einer solchen Studie wurde bereits im Bericht zur Evaluation der Maturitätsreform 1995 skizziert (Eberle et al., 2008). Gegenstand dieses Beitrags ist der empirische Teil der Studie, in dem die Anforderungen der Schweizer Hochschulen an Studienanfänger verschiedener Studiengänge eruiert wurden, um so die Formulierung von basalen Kompetenzen auch empirisch und nicht nur normativ fundieren zu können. Während in der eigentlichen Studie die fachlichen Anforderungen hinsichtlich Erstsprache und Mathematik erarbeitet wurden, beschränken wir uns hier auf die Bestimmung der mathematischen Anforderungen.
The project scheduling practices and socio economic issues in Addis Ababa Saving House Development Enterprise Projects: The case of 40/60 housing program
Creators: name: Ayen, Minichil
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2019

description: The purpose of the study is to understand the project scheduling practices and related socio economic issues in Addis Ababa Saving Houses Development Enterprises 40/60 condominium housing programs. Qualitative approach using quantitative scales to quantify the data obtained in order to produce descriptive results mainly, questionnaires and literature review were used as a research instrument. The population for this study consists of all project office workers working in the planning department and related activities to the department of AASHDE to address the research questions. Data was collected through structured questionnaires distributed the selected respondents. The data collected was analyzed using partially quantitative and mainly qualitative approaches. The techniques used to analyze data were frequency and percentages. The major findings indicated that project will create job opportunities and market linkages for small and micro scale enterprises, the compensation given for their land for which they are displaced is low, and global market price and inflation are likely to affect the ability of middle-income earners to pay the banks repayment loan respectively. Besides, the housing project will provide incremental improvements in water and waste management system for the city. The status and realities of condominium housing projects calls for collaboration of the public and private sector at large because the government capacity is very limited in providing adequate houses though it promised to build many condominium housing to the society. Regarding to this, there are many problems concerning to the client such as problem in selection of competent consultants and reliable contractors, absence of good methods and systems in purchasing and finance, slow speed in decision making, poor planning and controlling, the scheduling practices in 40/60 housing project have much more significant effects on the monthly income of those registered in the program. In conclusion, the weakness of the client mainly, consultants and contractors partly affects the time, budget and quality of the project of condominium housing. Due to this result the projects could not achieve as expected. The study recommends that the private sector and the society at large are very important in construction of condominium housing, so government should open different alternatives to build houses in quantity and quality by employing the capacity of the public and private sector to match the demand with supply of housing.
Local well-posedness for the nonlinear Schrödinger equation in the intersection of modulation spaces $M_{p, q}^s(\mathbb{R}^d) \cap M_{\infty, 1}(\mathbb{R}^d)$
Creators: name: Chaichenets, Leonid
name: Hundertmark, Dirk
name: Kunstmann, Peer Christian
name: Pattakos, Nikolaos
Publisher: name: arXiv
Year: 2016
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: We introduce a Littlewood-Paley characterization of modulation spaces and use it to give an alternative proof of the algebra property, somehow implicitly contained in Sugimoto (2011), of the intersection $M^s_{p,q}(\mathbb{R}^d) \cap M_{\infty, 1}(\mathbb{R}^d)$ for $d \in \mathbb{N}$, $p, q \in [1, \infty]$ and $s \geq 0$. We employ this algebra property to show the local well-posedness of the Cauchy problem for the cubic nonlinear Schrödinger equation in the above intersection. This improves Theorem 1.1 by Bényi and Okoudjou (2009), where only the case $q = 1$ is considered, and closes a gap in the literature. If $q > 1$ and $s > d \left(1 - \frac{1}{q}\right)$ or if $q = 1$ and $s \geq 0$ then $M^s_{p,q}(\mathbb{R}^d) \hookrightarrow M_{\infty, 1}(\mathbb{R}^d)$ and the above intersection is superfluous. For this case we also reobtain a Hölder-type inequality for modulation spaces.
description: 14 pages
Caracterización de los modelos administrativos empleados actualmente en las pymes de servicio personales en la ciudad de Cartagena
Creators: name: Gelis Guzmán, Wilson
name: Noya Saltarin, Yulieth
Publisher: name: Universidad de Cartagena
Year: 2014
Subjects: Pymes
Pequeña y mediana empresa

description: Tesis (Administrador de Empresas).--Universidad de Cartagena. Facultad de Ciencias Económicas. Programa de Administración de Empresas, 2014
description: El objetivo de este trabajo busca analizar las características de los modelos administrativos que emplean actualmente las pequeñas y medianas empresas de servicios personales en la ciudad de Cartagena.
On Constructing Persistent Identifiers with Persistent Resolution Targets
Creators: name: Wannenwetsch, Oliver
name: Majchrzak, Tim A.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: Persistent Identifiers (PID) are the foundation referencing digital assets in scientific publications, books, and digital repositories. In its realization, PIDs contain metadata and resolving targets in form of URLs that point to data sets located on the network. In contrast to PIDs, the target URLs are typically changing over time; thus, PIDs need continuous maintenance -- an effort that is increasing tremendously with the advancement of e-Science and the advent of the Internet-of-Things (IoT). Nowadays, billions of sensors and data sets are subject of PID assignment. This paper presents a new approach of embedding location independent targets into PIDs that allows the creation of maintenance-free PIDs using content-centric network technology and overlay networks. For proving the validity of the presented approach, the Handle PID System is used in conjunction with Magnet Link access information encoding, state-of-the-art decentralized data distribution with BitTorrent, and Named Data Networking (NDN) as location-independent data access technology for networks. Contrasting existing approaches, no green-field implementation of PID or major modifications of the Handle System is required to enable location-independent data dissemination with maintenance-free PIDs.
description: Published IEEE paper of the FedCSIS 2016 (SoFAST-WS'16) conference, 11.-14. September 2016, Gdansk, Poland. Also available online: http://ieeexplore.ieee.org/document/7733372/
Agroalimentos: EXPORTSpostCOVID Macro zona sur Chile 2019-2020
Creators: name: Geldres-Weiss, V. V.
name: Nicolas, C.
Publisher: name: Zenodo
Year: 2021
Subjects: agribusiness

description: Agroalimentos: EXPORTSpostCOVID Macro zona sur Chile 2019-2020
Sparsity-driven weighted ensemble classifier
Creators: name: Ozgur, Atilla
name: Erdem, Hamit
name: Nar, Fatih
Publisher: name: arXiv
Year: 2016
Subjects: subject: Machine Learning (stat.ML)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: In this study, a novel sparsity-driven weighted ensemble classifier (SDWEC) that improves classification accuracy and minimizes the number of classifiers is proposed. Using pre-trained classifiers, an ensemble in which base classifiers votes according to assigned weights is formed. These assigned weights directly affect classifier accuracy. In the proposed method, ensemble weights finding problem is modeled as a cost function with the following terms: (a) a data fidelity term aiming to decrease misclassification rate, (b) a sparsity term aiming to decrease the number of classifiers, and (c) a non-negativity constraint on the weights of the classifiers. As the proposed cost function is non-convex thus hard to solve, convex relaxation techniques and novel approximations are employed to obtain a numerically efficient solution. Sparsity term of cost function allows trade-off between accuracy and testing time when needed. The efficiency of SDWEC was tested on 11 datasets and compared with the state-of-the art classifier ensemble methods. The results show that SDWEC provides better or similar accuracy levels using fewer classifiers and reduces testing time for ensemble.
description: Last version updated according to journal version but not edited by journal
Automatic quantitative analysis of morphology of apoptotic HL-60 cells
Creators: name: Liu, Yahui
name: Lin, Wang
name: Yang, Xu
name: Liang, Weizi
name: Zhang, Jun
name: Meng, Maobin
name: Rice, John R.
name: Sa, Yu
name: Feng, Yuanming
Publisher: name: Technische Universität Dortmund
Year: 2014
Subjects: subject: cell morphology
subject: quantitative analysis
subject: apoptosis
subject: 610

description: Morphological identification is a widespread procedure to assess the presence of apoptosis by visual inspection of the morphological characteristics or the fluorescence images. The procedure is lengthy and results are observer dependent. A quantitative automatic analysis is objective and would greatly help the routine work. We developed an image processing and segmentation method which combined the Otsu thresholding and morphological operators for apoptosis study. An automatic determination method of apoptotic stages of HL-60 cells with fluorescence images was developed. Comparison was made between normal cells, early apoptotic cells and late apoptotic cells about their geometric parameters which were defined to describe the features of cell morphology. The results demonstrated that the parameters we chose are very representative of the morphologic al characteristics of apoptotic cells. Significant differences exist between the cells in different stages, and automatic quantification of the differences can be achieved.
description: EXCLI Journal ; Vol. 13, 2014
Comparison between classical annual maxima and peak over threshold approach concerning robustness
Creators: name: Fischer, Svenja
name: Schumann, Andreas
Publisher: name: Technische Universität Dortmund
Year: 2014
Subjects: subject: partial duration
subject: Poisson process
subject: robustness
subject: annual maxima
subject: 310
subject: 330
subject: 620

description: Partial duration series (peak over threshold) form a considerable alternative to the classical annual maximum approach since they enlarge the information spectrum. The classical POT approach is based on a Poisson distribution for the annual number of exceedances although this is can be questionable in some cases. Therefore two different distributions (Binomial and Gumbel-Schelling (Gumbel and Schelling (1950)) ) are considered. The results show that they do rarely make a difference to the Poisson distribution. In a second step we investigate the robustness in the sense of stability against the occurrence of extreme events of the POT compared to annual maxima and show that in the case of extreme events the POT behaves much more robust and fits very good to the data.
description: Discussion Paper / SFB 823;26/2014
Estudios de localidades del caribe colombiano año 2002, área 1 departamento del Magdalena
Creators: name: Villarreal Cortez, Osiris
name: Viloria Ramírez, Angela
Publisher: name: Universidad de Cartagena
Year: 2003
Subjects: Desarrollo de la comunidad

description: Tesis (Trabajadora Social) -- Universidad de Cartagena. Facultad de Ciencias Sociales y Educación. Programa de Trabajo Social, 2003
description: Realización de un diagnóstico integral de las localidades objeto de estudio, partiendo del análisis de la información obtenida, así como la identificación de alternativas socio-productivas que vinculen a las fuerzas vivas de la comunidad.
El alcoholismo una forma delictual
Creators: name: Dunoyer, Jaime
Publisher: name: Universidad de Cartagena
Year: 1975
Subjects: Embriaguez (Derecho penal) - Colombia

description: Tesis (Abogado) -- Universidad de Cartagena. Facultad de Derecho y Ciencias Políticas. Programa de Derecho, 1975
description: Explicación jurídico-psiquiatra a los hechos delictivos generados por esta adicción en el seno de la familia, y se evidencio el errado tratamiento legislativo que se le ha venido otorgando desde la promulgación del código penal vigente.
Second-order transport, quasinormal modes and zero-viscosity limit in the Gauss-Bonnet holographic fluid
Creators: name: Grozdanov, Sašo
name: Starinets, Andrei O.
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Gauss-Bonnet holographic fluid is a useful theoretical laboratory to study the effects of curvature-squared terms in the dual gravity action on transport coefficients, quasinormal spectra and the analytic structure of thermal correlators at strong coupling. To understand the behavior and possible pathologies of the Gauss-Bonnet fluid in $3+1$ dimensions, we compute (analytically and non-perturbatively in the Gauss-Bonnet coupling) its second-order transport coefficients, the retarded two- and three-point correlation functions of the energy-momentum tensor in the hydrodynamic regime as well as the relevant quasinormal spectrum. The Haack-Yarom universal relation among the second-order transport coefficients is violated at second order in the Gauss-Bonnet coupling. In the zero-viscosity limit, the holographic fluid still produces entropy, while the momentum diffusion and the sound attenuation are suppressed at all orders in the hydrodynamic expansion. By adding higher-derivative electromagnetic field terms to the action, we also compute corrections to charge diffusion and identify the non-perturbative parameter regime in which the charge diffusion constant vanishes.
description: 56 pages, 3 figures; V2: references added, version published in JHEP
La gran industria manufacturera de Cartagena frente a la apertura económica.
Creators: name: Larios Cardozo, Tomas M.
name: Puente Nowacky, Jhon A.
Publisher: name: Universidad de Cartagena
Year: 1992
Subjects: Apertura económica
Industria Manufacturera - Cartagena

description: Tesis (Economista).--Universidad de Cartagena. Facultad de Ciencias Económicas. Programa de Economía, 1992.
description: El presente estudio tiene por objeto analizar la industria manufacturera de cartagena antes de la apertura económica, estudiarla a partir de la puesta en marcha de dicha apertura y observar que capacidad tiene para afrontar las políticas implementadas por el actual gobierno en su proceso de modernización e internacionalización de la economía.
Análisis de los factores políticos, económicos, administrativos y socio culturales que afectan el crecimiento del sector cooperativo de la ciudad de Cartagena
Creators: name: Ramirez, Victor
name: Salas, Johnny
Publisher: name: Universidad de Cartagena
Year: 2001
Subjects: Cooperativas

description: Tesis (Administrador de Empresas) -- Universidad de Cartagena. Facultad de Ciencias Económicas. Programa de Administración de Empresas. 2001
description: El presente estudio tiene por objeto identificar y analizar los factores administrativos, económicos, sociales y políticos que afectan el cooperativismo de la ciudad de Cartagena, con el propósito de plantear recomendaciones que puedan servir de base en el proceso de crecimiento de este sector
Temperature of a single chaotic eigenstate
Creators: name: Borgonovi, Fausto
name: Mattiotti, Francesco
name: Izrailev, Felix M.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Quantum Physics (quant-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The onset of thermalization in a closed finite system of randomly interacting bosons, at the level of a single eigenstate, is discussed. The main interest is in the emergence of the Bose-Einstein distribution of single-particle occupation numbers, establishing a global and local criterion for thermalization. We show how to define the temperature of a given eigenstate, provided that it has a chaotic structure in the basis defined by single-particle states. The analytical expression for the eigenstate temperature as a function of the inter-particle interaction and energy is complemented by numerical data.
description: 9 pages 9 figures
Characterizing and controlling carbon fiber orientations in a polymer via flow and electric-field alignment
Creators: name: Zawacki, Ava
Publisher: name: No Publisher Supplied
Year: 2023

description: Carbon fiber composites (CFC) are common in applications where high strength and low density are desired. More specifically, discontinuous CFC are recognized for their high manufacturability and low cost compared to continuous CFCs. Unique to discontinuous CFs is the ability to change orientation, thereby controlling the anisotropy of the material. Many previous works have used flow or electric fields to vastly improve the CF alignment unidirectionally. What is of interest in this study is to utilize both flow and an electric field, in contrast, to manipulate the orientation of the CFs beyond unidirectional alignment in an epoxy. Analyzing flow and electric field induced torques individually and in combination, we create a way to specify CF orientations within a composite matrix. This gives way to more complex geometries and material properties, and has great potential, specifically in additive manufacturing processes.To examine this relationship, a channel is constructed which creates fiber alignment in the direction of the flow. The alignment mechanisms for this channel are studied through simulation and experimentation to explain the CF orientations. An electric field is then utilized to align CFs perpendicular to the flow direction. To obtain the rotation rate at varying electric field strengths, stationary fibers are studied, and we find the orientation of the fiber is directly related to the time fibers are exposed to the electric field. Because the flow alignment mechanisms are much weaker beyond the inlet, we can assume the effect of the electric field is dominant in this region. This means the resulting CF orientations are dependent on the orientation distribution of the fibers that have entered the channel, the electric field strength, and the amount of time the fibers are influenced by the electric field. This insight allows us to tune our system to create desired alignment.
Quantum Interference in Artificial Band Structures
Creators: name: Abstreiter, G.
name: Albrecht, C.
name: Bichler, M.
name: Deutschmann, R. A.
name: Rother, M.
name: Smet, J. H.
name: Wegscheider, W.
Publisher: name: The American Physical Society
Year: 2001
Subjects: subject: 530

description: Physical Review Letters
Boron Isotope Effect in Superconducting MgB2
Creators: name: Anderson, N.
name: Bud'ko, S. L.
name: Canfield, P. C.
name: Cunningham, C. E.
name: Lapertot, G.
name: Petrovic, C.
Publisher: name: The American Physical Society
Year: 2001
Subjects: subject: 530

description: Physical Review Letters
Gagea antakiensis Kayikci, Ocak & Teksen, Phytotaxa
Creators: name: Tekşen, Mehtap
name: Erkul, Seher Karaman
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Liliopsida
Liliales
Liliaceae
Gagea
Gagea antakiensis

description: Gagea antakiensis Kayıkçı, Ocak & Tekşen, Phytotaxa 170(4): 269–277 (2014)
 Type: — TURKEY. Hatay. Antakya, Serinyol, around the Serinyol-Yıldırım stream, edge of stream, open forest of Pinus brutia, macchie, 220 m, 4 February 2012, Ocak & Kayıkçı 1331 (holotype OUFE!; isotypes GAZI!, ANK!).
 Specimens seen: — TURKEY. Hatay: Antakya, Serinyol, around the Serinyol-Yıldırım stream, edge of stream, open forest of Pinus brutia, macchie, 220 m, 5 March 2012, Ocak & Kayıkçı 1351 (GAZI!); Altınözü, Narlıca, rocky slopes, 301 m, 2 March 2012, Ocak & Kayıkçı 1348 (GAZI!); Serinyol, around the Yıldırım stream, edge of stream, open forest of Pinus brutia, macchie, 220 m, 12 February 2013, M. Tekşen 2884 & Kayıkçı (GAZI!).
 Flowering time: — January–February.
 Habitat: — Wet places, clearings of Pinus brutia forest, macchie, rocky slopes, 200– 250 m.
 Distribution: — Endemic to Turkey (South Anatolia). East Mediterranean (mt.) element.
 IUCN category: — Critically Endangered CR B2ab (i, ii, iv), C2a (i, ii).
 Note — Gagea antakiensis was described very recently (Kayıkçı et al. 2014). It is closely related to G. lojaconoi Peruzzi (2008: 145). However, the neck of the bulb tunics, the constant presence of suprabasal bulbils, and the shape with long neck separate G. antakiensis from G. chrysantha (Jan 1831: 5) Schultes & Schultes (1829: 545) species group (G. lojaconoi, G. chrysantha, G. amblyopetala Boiss. & Heldr. in Boissier (1846: 107), and G. omalensis J.-M.Tison in Tison et al. (2013: 431). These neck characteristics are also highly unusual in the whole section Didymobulbos (Kayıkçı et al. 2014). Gagea antakiensis can be easily distinguished from G. lojaconoi by having suprabasal bulbils during immature to mature ontogeny with a filiform neck up to 1–2 mm, pyriform, reticulate, black, located on the bulbs, cauline leaves longer than the inflorescence corymbose inflorescence, perigone segments elliptic and long hairy at base, flatly subtrihedral in outline with a slightly canaliculate adaxial side and a slightly convex abaxial side in basal leaves cross section (in G. lojaconoi, present in the whole ontogeny, cauline leaves shorter than the inflorescence, paniculate inflorescence, perigone segments subspathulate and glabrous, distinctly trihedral in outline with a deeply canaliculate adaxial side and strongly convex to almost carinate abaxial side in basal leaves cross section; Kayıkçı et al. 2014).
description: Published as part of Tekşen, Mehtap & Erkul, Seher Karaman, 2015, The synopsis of the genus Gagea (Liliaceae) in Turkey, pp. 101-129 in Phytotaxa 230 (1) on page 106, DOI: 10.11646/phytotaxa.230.2.1, http://zenodo.org/record/13630814
A normality criterion corresponding to the defect relations
Creators: name: Schweizer, Andreas
Publisher: name: arXiv
Year: 2016
Subjects: subject: Complex Variables (math.CV)
subject: FOS: Mathematics
subject: primary 30D45, secondary 30D35

description: Let ${\cal F}$ be a family of meromorphic functions on a domain $D$. We present a quite general sufficient condition for ${\cal F}$ to be a normal family. This criterion contains many known results as special cases. The overall idea is that certain comparatively weak conditions on ${\cal F}$ locally lead to somewhat stronger conditions, which in turn lead to even stronger conditions on the limit function $g$ in the famous Zalcman Lemma. Ultimately, the defect relations for $g$ force normality of ${\cal F}$.
description: 12 pages, refereed version, minor changes
Motivación y diversión. Claves para la producción de textos narrativos
Creators: name: Contreras Iriarte, Josefa
name: Zuñiga Martínez, Katherine
name: Cassiani Oviedo, Astrid
Publisher: name: Universidad de Cartagena
Year: 2014
Subjects: Compresión de texto
Textos narrativos
Producción de textos escritos
Ambientes educativos

description: Tesis (Licenciado en Lengua Castellana) -- Universidad de Cartagena en convenio con la Universidad del Tolima. Facultad de ciencias sociales y educación. Programa Licenciatura en lengua castellana, 2014
description: En la actualidad, de los establecimientos educativos es común encontrar dificultades en los estudiantes para producir texto coherentes de tipo narrativo, muchas veces como docentes centramos nuestros esfuerzos en que ellos aprendan a leer y comprender, ignorando sus intereses o imponiendo lecturas que consideramos que son importantes dentro de su proceso de aprendizaje, dejando de un lado sus propias creaciones lo que ellos se imaginan y uno de los pasos más importante para producir textos narrativos es la motivación. Un escritor construye y comprende un texto cuando puede darle significado, cuando lo pone en relación con lo que ya sabe con lo que le interesa y cuando cuenta con las habilidades o estrategias necesarias que lo ayuden a construir su conocimiento; es por esto que el presente trabajo de investigación está encaminado a propiciar que motiven y permitan mejora la producción de textos escritos de tipo narrativo en los estudiantes de 5° grado del colegio GONZALO JIMÉNEZ DE QUESADA considerando que la producción de textos no solo ayuda al desarrollo de las actividades cognitivas básicas en interacción con el contexto sociocultural, sino que también posibilita a las personas a la inserción en cualquier contexto social. La mayor dificultad se ve marcada en el área de Lengua Castellana en la parte escritural como, desinterés por la escritura que va de la mano del uso inadecuado del lápiz, Uso inadecuado del cuaderno y mala postura al escribir, uso inapropiado de las reglas gramaticales. Por último, se hace necesario resaltar que en nuestra labor como docentes, es imprescindible mirar la comprensión desde un punto de vista transversal en las áreas del conocimiento y a su vez se convierte en un eje que ayuda al ser humano a desenvolverse y a interpretar el mundo que lo rodea, puesto que los niveles de comprensión se articulan o van de la mano con las competencias cognitivas del ser humano (interpretativa, argumentativa y propositiva).
The Practice Of Construction Materials Supply Chain Management In Addis Ababa Housing Construction Project Office
Creators: name: Alemayehu, Addis
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2019

description: The objective of this study was to analyze the practices of construction supply chain management and identify major challenges affecting the performance of housing construction in Addis Ababa Housing Construction Project Office.. In light of this objective, the study employed mixed approach of qualitative and quantitative methods in the process of data collection and analysis.. Consequently, the study selected a sample of 171respondents using simple random sampling techniques from list of personnel and contractors engaged in the housing construction project. The data was analyzed using descriptive and inferential statistics. The analysis and finding revealed several factors hindering the smooth practices of construction materials supply chain management in Addis Ababa housing construction project. The most important among them are; shortage of construction materials, late delivery, lack of strategic leadership, coordination, and information sharing among stakeholders. These challenges have affected the performance of supply chain operations, contributing to the deviation of completion time as well as cost of the housing construction. Based on the key findings, the research come up with major recommendations which include; organize on job training to enhance the knowledge, skills and competence of the personnel working in the Supply Chain Management units; out sourcing of construction materials supply; revisit the existing organizational structure and put in place appropriate organ gram in order to improve supply chain management, assign competent and qualified managers based on their performance and experiences and prepare standard operation procedure, detail supervision and accountability mechanism with the main purpose of identifying problems and take corrective actions
Unoriented 3d TFTs
Creators: name: Bhardwaj, Lakshya
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Geometric Topology (math.GT)
subject: Quantum Algebra (math.QA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: This paper generalizes two facts about oriented 3d TFTs to the unoriented case. On one hand, it is known that oriented 3d TFTs having a topological boundary condition admit a state-sum construction known as the Turaev-Viro construction. This is related to the string-net construction of fermionic phases of matter. We show how Turaev-Viro construction can be generalized to unoriented 3d TFTs. On the other hand, it is known that the "fermionic" versions of oriented TFTs, known as Spin-TFTs, can be constructed in terms of "shadow" TFTs which are ordinary oriented TFTs with an anomalous $\mathbb{Z}_2$ 1-form symmetry. We generalize this correspondence to Pin$^+$-TFTs by showing that they can be constructed in terms of ordinary unoriented TFTs with anomalous $\mathbb{Z}_2$ 1-form symmetry having a mixed anomaly with time-reversal symmetry. The corresponding Pin$^+$-TFT does not have any anomaly for time-reversal symmetry however and hence it can be unambiguously defined on a non-orientable manifold. In case a Pin$^+$-TFT admits a topological boundary condition, one can combine the above two statements to obtain a Turaev-Viro-like construction of Pin$^+$-TFTs. As an application of these ideas, we construct a large class of Pin$^+$-SPT phases.
description: 41 pages, 31 figures, v2: additional references, v3: minor revision
Validity of the Quasiharmonic Analysis for Surface Thermal Expansion of Ag(111)
Creators: name: Al-Rawi, Ahlam N.
name: Ghosh, Chandana
name: Kara, Abdelkader
name: Rahman, Talat S.
name: Staikov, Pavlin
Publisher: name: The American Physical Society
Year: 2001
Subjects: subject: 530

description: Physical Review Letters
Scaling behaviour and superconducting instability in anisotropic non-Fermi liquids
Creators: name: Mandal, Ipsita
Publisher: name: arXiv
Year: 2016
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the scaling behaviour of the optical conductivity $(σ)$, free energy density $(F)$, and shear viscosity of the quantum critical point associated with the spin density wave phase transition for a two-dimensional metallic system with $C_2$ symmetry. A non-Fermi liquid behaviour emerges at two pairs of isolated points on the Fermi surface, due to the coupling of a bosonic order parameter to fermionic excitations at those so-called ``hot-spots''. We find that near the hot-spots, $σ$ and $F$ obey the scalings expected for such an anisotropic system, and the direction-dependent viscosity to entropy density ratio is not a universal number due to the anisotropy. Lastly, we also estimate the effect of the fermion-boson coupling at the hot-spots on superconducting instabilities.
description: typos in some equations corrected
Impact of Captive Supply on Cash Price in the U.S. Cattle Procurement Market: A Dynamic Modeling Approach
Creators: name: Lee, Jungmin
name: Chung, Chanjin
name: Lee, Jungmin
name: Chung, Chanjin
Publisher: name: Unknown
Year: 2022
Subjects: subject: Demand and Price Analysis
subject: Livestock Production/Industries
subject: cash market
subject: captive supply
subject: Kalman filter
subject: market conduct
subject: dynamic approach

description: This paper examines the impact of captive market supply on cash market price in the U.S. cattle procurement market with consideration of dynamic interactions between captive and cash markets. Both conceptual and empirical analyses explore advantages of dynamic models over static models by focusing on the temporal change in the ratio of captive purchase to packers' total procurement and discount factor. Empirical models were estimated using the Kalman filter procedure with three alternative cost functions: generalized Leontief, translog, and quadratic functions. Dynamic estimation results found a statistically significant and negative relationship between captive market quantity and cash market prices from all functional forms of cost function. However, results of static models showed that the captive market quantity - cash market price relationship was sensitive to functional forms of cost function. Findings from our empirical analysis suggest that dynamic models could be more appropriate than static models in examining the impact of captive supply on cash price in the cattle procurement market.
Análisis y planeación de la salud ocupacional para la empresa Industria Metalmecanica de la Costa Ltda. Imec Ltda
Creators: name: Cadena Martinez, Julieta
name: Ramos González, Juvenal De Jesús
Publisher: name: Universidad de Cartagena
Year: 1992
Subjects: Salud ocupacional
Seguridad industrial
Industria Metalmecánica de la Costa Ltda Imec Ltda - Análisis y planeación
Bienestar del empleado

description: Tesis (Administrador de Empresas).--Universidad de Cartagena. Facultad de Ciencias Económicas. Programa de Administración de Empresas, 1992
description: El presente estudio tiene por objeto brindar al personal las mejores condiciones de trabajo a través de la planeación de un programa de salud ocupacional para la empresa Imec Ltda.
Spin Degeneracy and Conductance Fluctuations in Open Quantum Dots
Creators: name: Birnbaum, K. M.
name: Duruöz, C. I.
name: Folk, J. A.
name: Marcus, C. M.
name: Patel, S. R.
Publisher: name: The American Physical Society
Year: 2001
Subjects: subject: 530

description: Physical Review Letters
Challenges Of Global Pharmaceuticals Supply Chain Management: The Case Of Zaf Pharmaceuticals Plc
Creators: name: Liknaw, Bayew
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2018

description: Global supply chain management integrates supply and demand management within and across companies belonging to different countries. The planning of activities involving sourcing, outsourcing and supplying are subject to environmental conditions that compose the global market. However, the global dimension has introduced complexity in the supply chain. The management of global supply chains poses more challenges than the management of domestic supply chains. The case of global Pharmaceuticals supply chain management is one of the most difficult supply chain management operations as it is conducted in a highly governmentregulated environment to protect human lives from adverse effects of medicines. The identified challenges faced during global SCM practice of Zaf Pharmaceuticals PLC collecting data from concerned departments' respondents. The data for study was collected from 57employees of Zaf Pharmaceuticals PLC and its global suppliers' representative offices based on purposive sampling technique through self-administered questionnaires. In addition, 5 managers were interviewed. The data collected through self-administered questionnaires was analyzed using descriptive statistics like percentage, mean and standard deviation. The qualitative data collected through interview was used during discussion of stated points. The result of the analysis indicated that shortage of foreign exchange and fluctuation of exchange rates, supply uncertainty, regulatory standard to get market authorization to distribute pharmaceuticals, longer and variable lead-times, supplier selection complexity and to some extent lingual and cultural differences and economical and political instability are found to be major challenges in global supply chain management practice of Zaf pharmaceuticals PLC respectively. Based on the findings of the study it was recommended that working on supplier selection criteria, conducting periodic audit of suppliers, sourcing from high quality profile pharmaceuticals suppliers, reduction of suppliers' base and shifting to domestic sourcing to minimize foreign exchange scarcity challenges are found to be important.
Spin-Orbit Effects in a GaAs Quantum Dot in a Parallel Magnetic Field
Creators: name: Cremers, J. N. H. J.
name: Folk, J. A.
name: Halperin, B. I.
name: Marcus, C. M.
name: Oreg, Yuval
name: Stern, Ady
Publisher: name: The American Physical Society
Year: 2001
Subjects: subject: 530

description: Physical Review Letters
Coxeter categories and quantum groups
Creators: name: Appel, Andrea
name: Toledano-Laredo, Valerio
Publisher: name: arXiv
Year: 2016
Subjects: subject: Quantum Algebra (math.QA)
subject: Category Theory (math.CT)
subject: Representation Theory (math.RT)
subject: FOS: Mathematics

description: We define the notion of braided Coxeter category, which is informally a tensor category carrying compatible, commuting actions of a generalised braid group B_W and Artin's braid groups B_n on the tensor powers of its objects. The data which defines the action of B_W bears a formal similarity to the associativity constraints in a monoidal category, but is related to the coherence of a family of fiber functors. We show that the quantum Weyl group operators of a quantised Kac-Moody algebra U_h(g), together with the universal R-matrices of its Levi subalgebras, give rise to a braided Coxeter structure on integrable, category O-modules for U_h(g). By relying on the 2-categorical extension of Etingof-Kazhdan quantisation obtained in arXiv:1610.09744, we then prove that this structure can be transferred to integrable, category O-representations of g. These results are used in arXiv:1512.03041 to give a monodromic description of the quantum Weyl group operators of U_h(g) which extends the one obtained by the second author for a semisimple Lie algebra.
description: Substantial revision. Changes include 1) greatly expanded introduction 2) Section 8 split into the new sections 8 (Universal Algebras) and 9 (Universal pre-Coxeter Structures) 3) more thorough account of the PROPic nature of transferred structure (Sect. 10) 4) notion of Upsilon and a-strict pre-Coxeter structures (Sect. 3, 9 and 10). Final version. To appear in Selecta Math. 81 pages
Parenthood as an Opportunity to Mature: A Questionnaire to Detect Changes in Self-image and Relationships
Creators: name: Manfredi, Paola
name: Tomasi, Cesare
Publisher: name: Mediterranean Journal of Clinical Psychology
Year: 2022
Subjects: Parenthood; Questionnaire; Relationship; Gender differences; Sexuality; Couple; Parents; Work.

description: Introduction: Parenthood is a composite experience in which personal, couple, relational, environmental, historical and cultural variables interact. In recent years, western societies have experienced a steady downward trend in the birth rate. On the other hand, scientific contributions, in which a qualitative methodology prevails, highlight the tendency of this experience to be positive. There is therefore an interest in exploring this topic in greater depth, also with quantitative studies, but above all in highlighting what changes, or maturing, happens in adults, sometimes after the birth of their children. Objectives: Our study aims to investigate parenthood through the administration of an ad hoc questionnaire. In particular, we investigate the psycho-relational changes that the experience of parenthood (after at least 3 years) may have promoted in women and men, specifically with respect to self-perception and relationships, both with their own parents, within the couple, and in object relations in general, and we compare the evaluations of mothers and fathers. Method: With prior permission and written informed consent, the self-report was distributed in various kindergartens. The sample consisted of 326 subjects, of whom187 mothers and 139 fathers, residing in northern Italy. Results: Three main components emerged from the factor analysis of the questionnaire: Openness Factor, Castling or Closure Factor, and Depth Factor. The reliability statistic indicates a Cronbach's alpha of 0.74. According to our sample parenthood promotes positive changes; among these, the most widespread are an increase in tenderness (92,7%), sense of responsibility (89,1%), perception of feeling older and more capable (88,4%), gratitude towards their partner (81.5%), and perception of a strengthening of the couple bond (86,5%). Increased tenderness and gratitude are particularly significant indicators of mental functioning. Other changes present more articulated distributions, and it is interesting to note that the direction of change fostered by parenthood is not unique and does not follow a fixed rule. Conclusions: Parenthood can open a time window in which greater plasticity and readiness to change are possible. Parenthood is therefore a precious opportunity (but not a certainty) to promote a growth in maturity for adults.
description: Mediterranean Journal of Clinical Psychology, Vol 10, No 3 (2022)