bluuebunny/crossref_metadata_2025 huggingface dataset:
How Does Transformational Leadership Promote Innovation in Construction? The Mediating Role of Innovation Climate and the Multilevel Moderation Role of Project Requirements
Authors: Zhang Yanchun , Zheng Junwei , Darko Amos
Published: May 2018

Innovation plays a critical role in the sustainable development of the construction industry. This research aims at examining transformational leadership’s role in shaping employees’ innovative behavior by analyzing the mediating effect of innovation climate and the cross-level moderating effect of innovativeness as a project requirement. To achieve this aim, a questionnaire survey was conducted with 300 construction industry professionals in China and 251 valid replies were received. Data collected by the questionnaire were analyzed using the method of hierarchical linear modeling (HLM). The results showed that transformational leaders could nurture a mutual climate for innovation to motivate employees’ innovative behaviors. In addition, innovativeness as a project requirement at the project level strengthens the indirect link amongst transformational leadership and innovative behavior via the innovation climate. Therefore, in the presence of higher innovativeness as a project requirement, transformational leadership is more prone to exert a positive influence upon an individual’s innovative behavior via the perceived innovation climate. The research findings improve understanding of the roles of leadership and innovation climate in affecting individual behavioral outcomes, and could help project managers and leaders encourage innovative ideas within project organizations.
A Robust Localization, Slip Estimation, and Compensation System for WMR in the Indoor Environments
Authors: Ullah Zakir , Xu Zhiwei , Lei Zhang , Zhang Libo
Published: May 2018

A novel approach is proposed for the path tracking of a Wheeled Mobile Robot (WMR) in the presence of an unknown lateral slip. Much of the existing work has assumed pure rolling conditions between the wheel and ground. Under the pure rolling conditions, the wheels of a WMR are supposed to roll without slipping. Complex wheel-ground interactions, acceleration and steering system noise are the factors which cause WMR wheel slip. A basic research problem in this context is localization and slip estimation of WMR from a stream of noisy sensors data when the robot is moving on a slippery surface, or moving at a high speed. DecaWave based ranging system and Particle Filter (PF) are good candidates to estimate the location of WMR indoors and outdoors. Unfortunately, wheel-slip of WMR limits the ultimate performance that can be achieved by real-world implementation of the PF, because location estimation systems typically partially rely on the robot heading. A small error in the WMR heading leads to a large error in location estimation of the PF because of its cumulative nature. In order to enhance the tracking and localization performance of the PF in the environments where the main reason for an error in the PF location estimation is angular noise, two methods were used for heading estimation of the WMR (1): Reinforcement Learning (RL) and (2): Location-based Heading Estimation (LHE). Trilateration is applied to DecaWave based ranging system for calculating the probable location of WMR, this noisy location along with PF current mean is used to estimate the WMR heading by using the above two methods. Beside the WMR location calculation, DecaWave based ranging system is also used to update the PF weights. The localization and tracking performance of the PF is significantly improved through incorporating heading error in localization by applying RL and LHE. Desired trajectory information is then used to develop an algorithm for extracting the lateral slip along X- and Y-axis from the PF estimated position of the WMR, the lateral slip along X- and Y-axis is then used to take some corrective measures. Lateral slip information is also used to find the direction along which WMR has to move to get back along the desired trajectory. Simulation results show that our proposed LHE and RL heading estimation methods significantly improve the PF localization and tracking performance on a slippery surface in both indoor and outdoor environments. The simulation results also show that the accurate locations of WMR and desired path information are used to estimate and compensate the lateral slip.
Study of Decision Framework of Shopping Mall Photovoltaic Plan Selection Based on DEMATEL and ELECTRE III with Symmetry under Neutrosophic Set Environment
Authors: Feng Jiangbo , Li Min , Li Yansong
Published: May 2018

Rooftop distributed photovoltaic projects have been quickly proposed in China because of policy promotion. Before, the rooftops of the shopping mall had not been occupied, and it was urged to have a decision-making framework to select suitable shopping mall photovoltaic plans. However, a traditional multi-criteria decision-making (MCDM) method failed to solve this issue at the same time, due to the following three defects: the interactions problems between the criteria, the loss of evaluation information in the conversion process, and the compensation problems between diverse criteria. In this paper, an integrated MCDM framework was proposed to address these problems. First of all, the compositive evaluation index was constructed, and the application of decision-making trial and evaluation laboratory (DEMATEL) method helped analyze the internal influence and connection behind each criterion. Then, the interval-valued neutrosophic set was utilized to express the imperfect knowledge of experts group and avoid the information loss. Next, an extended elimination et choice translation reality (ELECTRE) III method was applied, and it succeed in avoiding the compensation problem and obtaining the scientific result. The integrated method used maintained symmetry in the solar photovoltaic (PV) investment. Last but not least, a comparative analysis using Technique for Order Preference by Similarity to an Ideal Solution (TOPSIS) method and VIKOR method was carried out, and alternative plan X1 ranks first at the same. The outcome certified the correctness and rationality of the results obtained in this study.
Time-Lapse Photography of the Edge-of-Water Line Displacements of a Sandbar as a Proxy of Riverine Morphodynamics
Authors: Nones Michael , Archetti Renata , Guerrero Massimo
Published: May 2018

A simple methodology to track the displacements of a sandbar from a fixed video camera, extracting its morphological features and deriving the associated fluvial morphology is presented, using a small reach of the Po River in Italy as a case study. A camera fixed on a bridge pier acquired images every twelve hours while hourly water levels are derived from a radar hydrometer located upstream of the study area. The quantification of the fluvial bathymetry is achieved by mapping multiple edge-of-water lines of a sandbar before and after high flow conditions in December 2017. Both from video information and 2-D numerical simulations, it is evident that flooding waves can easily remove sediments that accumulated on bars during low flow conditions in this area, redistributing them across the river channel. This video-based methodology—which confirms to be economically attractive if compared to more traditional monitoring systems—proves to be a valuable system to monitor long-term fluvial processes providing detailed indications on how to better plan river management activities.
Hα Emitting Galaxies at z ∼ 0.6 in the Deep And Wide Narrow-band Survey
Authors: Coughlin Alicia , Rhoads James E. , Malhotra Sangeeta , Probst Ronald , Swaters Rob , Tilvi Vithal S. , Zheng Zhen-Ya , Finkelstein Steven , Hibon Pascale , Mobasher Bahram , Jiang Tianxing , Joshi Bhavin , Pharo John , Veilleux Sylvain , Wang Junxian , Yang Huan , Zabl Johannes
Published: May 2018

We present new measurements of the Hα luminosity function (LF) and star formation rate (SFR) volume density for galaxies at z ∼ 0.62 in the COSMOS field. Our results are part of the Deep And Wide Narrow-band Survey (DAWN), a unique infrared imaging program with large areal coverage (∼1.1 deg2 over five fields) and sensitivity (

at 5σ). The present sample, based on a single DAWN field, contains 116 Hα emission-line candidates at z ∼ 0.62, 25% of which have spectroscopic confirmations. These candidates have been selected through the comparison of narrow and broad-band images in the infrared and through matching with existing catalogs in the COSMOS field. The dust-corrected LF is well described by a Schechter function with

erg s−1,

Mpc−3,

erg s−1 Mpc−3, and α = −1.75 ± 0.09. From this LF, we calculate a SFR density of ρ
SFR = 10−1.37 ± 0.08
M
⊙ yr−1 Mpc−3. We expect an additional cosmic variance uncertainty of ∼20%. Both the faint end slope and luminosity density that we derive are consistent with prior results at similar redshifts, with reduced uncertainties. We also present an analysis of these Hα emitters’ sizes, which shows a direct correlation between the galaxies’ sizes and their Hα emission.
Electron Heating in Low Mach Number Perpendicular Shocks. II. Dependence on the Pre-shock Conditions
Authors: Guo Xinyi , Sironi Lorenzo , Narayan Ramesh
Published: May 2018

Recent X-ray observations of merger shocks in galaxy clusters have shown that the post-shock plasma is two-temperature, with the protons being hotter than the electrons. In this work, the second of a series, we investigate the efficiency of irreversible electron heating in perpendicular low Mach number shocks, by means of two-dimensional particle-in-cell simulations. We consider values of plasma beta (the ratio of thermal and magnetic pressures) in the range 4 ≲ β

p0 ≲ 32, and sonic Mach number (the ratio of shock speed to pre-shock sound speed) in the range 2 ≲ M

s
 ≲ 5, as appropriate for galaxy cluster shocks. As shown in Paper I, magnetic field amplification—induced by shock compression of the pre-shock field, or by strong proton cyclotron and mirror modes accompanying the relaxation of proton temperature anisotropy—can drive the electron temperature anisotropy beyond the threshold of the electron whistler instability. The growth of whistler waves breaks the electron adiabatic invariance, and allows for efficient entropy production. We find that the post-shock electron temperature T

e2 exceeds the adiabatic expectation

by an amount

(here, T

e0 is the pre-shock temperature), which depends only weakly on the plasma beta over the range 4 ≲ β

p0 ≲ 32 that we have explored, as well as on the proton-to-electron mass ratio (the coefficient of ≃0.044 is measured for our fiducial

, and we estimate that it will decrease to ≃0.03 for the realistic mass ratio). Our results have important implications for current and future observations of galaxy cluster shocks in the radio band (synchrotron emission and Sunyaev–Zel’dovich effect) and at X-ray frequencies.
The R-process Alliance: First Release from the Southern Search for R-process-enhanced Stars in the Galactic Halo*
Authors: Hansen Terese T. , Holmbeck Erika M. , Beers Timothy C. , Placco Vinicius M. , Roederer Ian U. , Frebel Anna , Sakari Charli M. , Simon Joshua D. , Thompson Ian B.
Published: May 2018

The recent detection of a binary neutron star merger and the clear evidence of the decay of radioactive material observed in this event have, after 60 years of effort, provided an astrophysical site for the rapid neutron-capture (r-) process which is responsible for the production of the heaviest elements in our universe. However, observations of metal-poor stars with highly enhanced r-process elements have revealed abundance patterns suggesting that multiple sites may be involved. To address this issue, and to advance our understanding of the r-process, we have initiated an extensive search for bright (V < 13.5), very metal-poor ([Fe/H] < −2) stars in the Milky Way halo exhibiting strongly enhanced r-process signatures. This paper presents the first sample collected in the southern hemisphere using the echelle spectrograph on du Pont 2.5 m telescope at Las Campanas Observatory. We have observed and analyzed 107 stars with −3.13 < [Fe/H] < −0.79. Of those, 12 stars are strongly enhanced in heavy r-process elements (r-II), 42 stars show moderate enhancements of heavy r-process material (r-I), and 20 stars exhibit low abundances of the heavy r-process elements and higher abundances of the light r-process elements relative to the heavy ones (limited-r). This search is more successful at finding r-process-enhanced stars compared to previous searches, primarily due to a refined target selection procedure that focuses on red giants.
Far-UV HST Spectroscopy of an Unusual Hydrogen-poor Superluminous Supernova: SN2017egm
Authors: Yan Lin , Perley D. A. , Cia A. De , Quimby R. , Lunnan R. , Rubin Kate H. R. , Brown P. J.
Published: May 2018

SN2017egm is the closest (z = 0.03) H-poor superluminous supernova (SLSN-I) detected to date, and a rare example of an SLSN-I in a massive, metal-rich galaxy. We present the HST UV and optical spectra covering 1000–5500 Å, taken at +3 day relative to the peak. Our data reveal two absorption systems at redshifts matching the host galaxy NGC 3191 (z = 0.0307) and its companion galaxy (z = 0.0299) 73″ apart. Weakly damped Lyα absorption lines are detected at these two redshifts, with H i column densities of (3.0 ± 0.8) × 1019 and (3.7 ± 0.9) × 1019 cm−2, respectively. This is an order of magnitude smaller than the H i column densities in the disks of nearby galaxies (>1010
M
⊙) and suggests that SN2017egm is on the near side of NGC 3191 and has a low host extinction (E(B − V) ∼ 0.007). Using unsaturated metal absorption lines, we find that the host of SN2017egm probably has a solar or higher metallicity and is unlikely to be a dwarf companion to NGC 3191. Comparison of early-time UV spectra of SN2017egm, Gaia16apd, iPTF13ajg, and PTF12dam finds that the continuum at λ > 2800 Å is well fit by a blackbody, whereas the continuum at λ < 2800 Å is considerably below the model. The degree of UV suppression varies from source to source, with the 1400–2800 Å continuum flux ratio of 1.5 for Gaia16apd and 0.4 for iPTF13ajg. This cannot be explained by the differences in magnetar power or blackbody temperature. Finally, the UV spectra reveal a common set of seven broad absorption features and their equivalent widths are similar (within a factor of 2) among the four events.
Compact Binary Mergers and the Event Rate of Fast Radio Bursts
Authors: Cao Xiao-Feng , Yu Yun-Wei , Zhou Xia
Published: May 2018

Fast radio bursts (FRBs) are usually suggested to be associated with mergers of compact binaries consisting of white dwarfs (WDs), neutron stars (NSs), or black holes (BHs). We test these models by fitting the observational distributions in both redshift and isotropic energy of 22 Parkes FRBs, where, as usual, the rates of compact binary mergers (CBMs) are connected with cosmic star formation rates by a power-law distributed time delay. It is found that the observational distributions can well be produced by the CBM model with a characteristic delay time from several tens to several hundreds of megayears and an energy function index 1.2 ≲ γ ≲ 1.7, where a tentative fixed spectral index β = 0.8 is adopted for all FRBs. Correspondingly, the local event rate of FRBs is constrained to

for an adopted minimum FRB energy of E
min = 3 × 1039 erg, where f
b is the beaming factor of the radiation,

is the duration of each pointing observation, and

is the sky area of the survey. This event rate, about an order of magnitude higher than the rates of NS–NS/NS–BH mergers, indicates that the most promising origin of FRBs in the CBM scenario could be mergers of WD–WD binaries. Here a massive WD could be produced since no FRB was found to be associated with an SN Ia. Alternatively, if all FRBs can repeat on a timescale much longer than the period of current observations, then they could also originate from a young active NS that forms from relatively rare NS–NS mergers and accretion-induced collapses of WD–WD binaries.
Fast Radio Bursts from the Collapse of Strange Star Crusts
Authors: Zhang Yue , Geng Jin-Jun , Huang Yong-Feng
Published: May 2018

Fast radio bursts (FRBs) are transient radio sources at cosmological distances. No counterparts in other bands have been observed for non-repeating FRBs. Here we suggest the collapse of strange star (SS) crusts as a possible origin for FRBs. SSs, which are composed of almost equal numbers of u, d, and s quarks, may be encapsulated by a thin crust of normal hadronic matter. When a SS accretes matter from its environment, the crust becomes heavier and heavier. It may finally collapse, leading to the release of a large amount of magnetic energy and plenty of electron/positron pairs on a very short timescale. Electron/positron pairs in the polar cap region of the SS can be accelerated to relativistic velocities, streaming along the magnetic field lines to form a thin shell. FRBs are produced by coherent emission from these electrons when the shell is expanding. Basic characteristics of observed FRBs can be explained in our model.
On the Lack of Circumbinary Planets Orbiting Isolated Binary Stars
Authors: Fleming David P. , Barnes Rory , Graham David E. , Luger Rodrigo , Quinn Thomas R.
Published: May 2018

We outline a mechanism that explains the observed lack of circumbinary planets (CBPs) via coupled stellar–tidal evolution of isolated binary stars. Tidal forces between low-mass, short-period binary stars on the pre-main sequence slow the stellar rotations transferring rotational angular momentum to the orbit as the stars approach the tidally locked state. This transfer increases the binary orbital period, expanding the region of dynamical instability around the binary, and destabilizing CBPs that tend to preferentially orbit just beyond the initial dynamical stability limit. After the stars tidally lock, we find that angular momentum loss due to magnetic braking can significantly shrink the binary orbit, and hence the region of dynamical stability, over time, impacting where surviving CBPs are observed relative to the boundary. We perform simulations over a wide range of parameter space and find that the expansion of the instability region occurs for most plausible initial conditions and that, in some cases, the stability semimajor axis doubles from its initial value. We examine the dynamical and observable consequences of a CBP falling within the dynamical instability limit by running N-body simulations of circumbinary planetary systems and find that, typically, at least one planet is ejected from the system. We apply our theory to the shortest-period Kepler binary that possesses a CBP, Kepler-47, and find that its existence is consistent with our model. Under conservative assumptions, we find that coupled stellar–tidal evolution of pre-main sequence binary stars removes at least one close-in CBP in 87% of multi-planet circumbinary systems.
Clinical analysis of 117 cases with synchronous multiple primary esophageal squamous cell carcinomas
Authors: Chen Zhiqin , Li Sihan , He Zheng , Li Guang
Published: May 2018

Background/Aims: We aimed to study the clinical characteristics, treatment modality, and the prognosis of synchronous multiple primary esophageal squamous cell carcinomas (SMPESCC).Methods: A total of 117 SMPESCC cases were evaluated retrospectively from 2010 to 2015.Results: The most common locations of SMPESCC were mid- and lower thoracic segments (n = 208, 84.9%). The 1-, 2-, and 3-year overall survival rates were 53.8%, 30.8%, and 15.4%, respectively; the median survival time (MST) was 12.5 months. With definitive radiotherapy and surgery, respectively, the MST of stage I/II patients were 34.2 and 26.7 months, of stage III patients were 8.3 and 13.2 months (p = 0.163), and of stage IV patients were and 8 and 12.6 months (p = 0.379). Clinical stage, family history of cancer, and Karnofsky performance status were independent prognostic factors for the whole cohort by Cox multivariate regression analysis (hazard ratio [HR] = 0.859, p < 0.001; HR = 0.579, p = 0.032; and HR = 0.586, p = 0.013).Conclusions: Although the prognosis of SMPESCC is poor, stage I/II patients can achieve long-term survival with aggressive treatment, especially those with a Karnofsky performance score 90 or higher and who have no family history of cancer. Definitive radiotherapy could achieve a similar survival rate to definitive surgery at different clinical stages.
« Mes enfants l’heure est grave : il va falloir faire des économies »
Authors: Sinigaglia Jérémy
Published: May 2018

L’article propose d’analyser les liens qui existent entre les récentes réformes de l’ESR en France, en particulier la loi dite LRU de 2007, et la situation financière des universités. L’hypothèse principale est que la faillibilité, entendue comme la perspective, la menace ou la crainte de la faillite, constitue un mode de gouvernement : par la mise en crise financière des universités, les autorités publiques se contentent de poser le cadre budgétaire de la réforme et délèguent aux acteurs concernés le choix des mesures concrètes à mettre en œuvre. Ainsi, la possible faillite des universités ne doit pas être analysée comme la conséquence malheureuse de l’application de nouvelles règles, elle doit être pensée comme un mode d’action publique à part entière. Cette « politique des caisses vides », construite méthodiquement par tout un enchaînement de réformes, n’a pas pour objectif de fermer les universités mais bien de forcer la conversion de ces établissements publics à un nouveau mode de gestion.
Économicisation et démocratisation de la faillite : inventer une procédure de défaillance pour les hôpitaux britanniques
Authors: Kurunmäki Liisa , Mennicken Andrea , Miller Peter , Wirth Françoise
Published: May 2018

La notion d’économicisation a fait couler beaucoup d’encre. Pourtant, les sociologues ont prêté peu d’attention au moment de la faillite économique, aux moments qui la précèdent, et à l’infrastructure de calcul ainsi qu’aux processus afférents à travers lesquels tant le déroulement de la faillite que son résultat deviennent des objets manipulables. Cet article examine le passage de l’économicisation de l’économie de marché, qui s’est déroulée tout au long du XIX e siècle, à l’économicisation et à la marchandisation de la sphère sociale, qui est encore en cours. Il analyse la centralité d’une « démocratisation » de la faillite – la diffusion d’un modèle de faillite défini comme insolvabilité depuis l’entreprise vers la sphère publique – dans ce processus. Nous considérons un cas spécifique d’économicisation et de démocratisation de la faillite : les tentatives épétées, sur plus d’une décennie, de créer un régime de faillite pour les hôpitaux du National Health Service (NHS). Nous suggérons qu’il est possible d’en tirer des leçons qui vont bien au-delà du domaine de la santé, et que ces tentatives mettent en lumière des questions importantes qui concernent le rôle que peuvent jouer les modèles de « sortie » dans l’économicisation et la régulation des services publics et, plus largement, de la sphère sociale.
La Combinatoire juridique de Bernardus De Lavinheta
Authors: Costa Andrea
Published: May 2018

La réception au xvii e siècle des principes de la combinatoire lullienne a pu profiter de la médiation opérée par des intellectuels tels que Raymond Sebond, Heymericus de Campo et Pierre Grégoire qui, entre le xv e et le xvi e siècles, ont progressivement introduit dans le noyau disciplinaire de l’Art, les prémisses théoriques qui lui seront indispensables pour répondre aux exigences propres aux nouveaux paradigmes scientifiques de l’époque moderne. L’œuvre encyclopédique du franciscain Bernardus de Lavinheta – la Practica compendiosa de 1532 – s’avère d’une importance fondamentale pour l’histoire de cette transmission. L’article se concentre tout particulièrement sur la liste des quarante formes élémentaires du droit comprise dans la section juridique de la Practica afin d’en étudier la fonction au sein de la structure artistique. L’article souligne enfin l’importance des démarches théoriques de Lavinheta pour la réception qui va s’ensuivre de l’approche combinatoire à la science.
Greffes de sources talmudiques dans les théories du droit naturel du xvii e siècle
Authors: Goltzberg Stefan
Published: May 2018

Les théories chrétiennes du droit naturel ont longtemps puisé dans les sources hébraïques. Le Décalogue, notamment, exprimerait selon plusieurs philosophes médiévaux, l’essence du droit naturel : ce que tout humain doit et ne doit pas faire. Cet article étudie le passage de ce paradigme biblique au paradigme talmudique : ce n’est plus alors le Décalogue mais les sept lois de Noé (lois noaḥides, exposées dans le Talmud) qui sont invoquées par Grotius puis surtout par Selden. Cette insertion des lois noaḥides au sein du débat entre auteurs chrétiens sur le droit naturel est présentée ici comme une greffe juridique, et plus précisément comme une greffe de source du droit : les lois noaḥides ne sont pas la cause mais le support des théories du droit naturel. Les connaissances de Selden en littérature talmudique font de lui un acteur majeur dans le courant des hébraïstes du xvii e siècle.
La propriété est-elle un droit ? Logique juridique et pensée politique chez Leibniz
Authors: Basso Luca
Published: May 2018

Trouve-t-on chez Leibniz, comme chez Locke, une démarche de fondation stricto sensu du droit de propriété, ou la question se pose-t-elle chez lui en termes plus complexes ? Bien que relevant du droit privé, les conséquences théoriques et politiques de cette question débordent largement ce champ disciplinaire. Cet article présente en premier lieu la fonction du droit chez Leibniz, en faisant apparaître ses liens avec la théologie et la métaphysique d’une part, et avec la logique d’autre part. La deuxième partie aborde la question de savoir si la propriété est l’objet d’un droit chez Leibniz. On souligne alors la distance qui sépare sur ce point la perspective leibnizienne de celles de Hobbes ou de Locke, tant pour des raisons pratiques que pour des raisons théoriques.
Fénelon dans la culture néo-hellénique ( xviii e - xix e  siècles)
Authors: Athini Stessi
Published: May 2018

Dans le cadre de l’extension progressive de l’hégémonie française sur la culture grecque tout au long des xviii e  et xix e  siècles, Fénelon représente un épisode particulièrement dynamique. Ses œuvres ont marqué les esprits par leurs dimensions éthique, politique et pédagogique. Son chef-d’œuvre, les  Aventures de Télémaque , objet de quatre traductions, en plus d’être un roman pédagogique, a été à la fois traité politique, livre de mythologie, manuel d’apprentissage du français. Les traductions du Traité de l’éducation des filles ont notablement contribué à la diffusion de l’éducation féminine en Grèce, tandis que celles des vies d’anciens philosophes ont nourri l’intérêt croissant pour l’enseignement de la philosophie. L’« hellénisme » de Fénelon a trouvé en Grèce un terrain très propice en cette période cruciale pour le renforcement de l’identité nationale.
La Zone franc en perspective
Authors: Guillaumont Patrick , Guillaumont Jeanneney Sylviane
Published: May 2018

Les incertitudes de la situation économique mondiale, les difficultés de l’Afrique centrale dues à la baisse du prix du pétrole, les progrès de l’intégration commerciale en Afrique de l’Ouest suscitent une nouvelle réflexion sur l’avenir de la Zone franc. Celle-ci a plus de cinquante années d’existence et a connu de nombreuses réformes qui, tout en laissant subsister les principes de base, fixité du taux de change des francs CFA et garantie de convertibilité par le moyen des comptes d’opérations des banques centrales (BCEAO et BEAC) auprès du Trésor français, ont montré sa capacité d’adaptation à des situations nouvelles : africanisation de la gouvernance des banques centrales, création des unions économiques, contrôle sur les mouvements de capitaux, substitution de l’euro au franc français, statut d’indépendance des banques centrales. La Zone franc est un mode de coopération internationale original et efficace. Elle peut, comme par le passé et selon la demande des États africains, évoluer à nouveau à l’avenir. Trois questions sont posées. 1) Est-il souhaitable de donner plus de flexibilité au taux de change des francs CFA et comment y parvenir ? 2) Doit-on supprimer les comptes d’opérations ou modifier leur fonctionnement et la participation de la France à la gouvernance des banques centrales ? 3) L’élargissement géographique des unions, notamment de l’UEMOA, est-il compatible avec la poursuite du soutien de la France ? Devrait-on changer le nom des monnaies ? L’article analyse les avantages et les difficultés des réponses possibles.
Buissonnière et initiatique : la participation locale à travers les pèlerinages politiques
Authors: Apostoli Cappello Elena
Published: May 2018

En refusant la participation classique, des militants italiens d’extrême gauche cherchent à fuir les catégories pratiques du champ politique ainsi que celles de la science politique, qu’ils appréhendent comme une norme. Ils cherchent à devenir indéfinissables politiquement. Nous analysons dans cet article des rites altermondialistes liés au zapatisme, en ce qu’ils constituent des formes de participation. Les aspects cérémoniaux et initiatiques liés au voyage marquent en effet l’entrée dans une communauté militante et, du point de vue anthropologique et cognitif, construisent une relation entre espace et temps qui s’appuie sur une idée d’Utopie, considérée ici comme une construction culturelle spécifique dont on examinera spatialité et temporalité. La dimension spirituelle expérimentée au cours et autour du voyage fonde le caractère buissonnier de cette participation. On s’intéressera ainsi en détail aux rituels et aux narrations primitivistes qui construisent cette expérience initiatique.
Quand la participation met en cause l’institution scolaire. L’expérience controversée des écoles expérimentales de la Villeneuve à Grenoble (1972-2005)
Authors: Allam Marie-Charlotte
Published: May 2018

Cet article étudie les pratiques participatives dont les écoles expérimentales du quartier de la Villeneuve de Grenoble furent le terreau entre 1972 et 2005. Il interroge les conditions d’émergence et de pérennisation de formes de démocratie directe au sein de l’institution scolaire. Le texte met à jour la politisation des dispositifs participatifs par les acteurs éducatifs : la redistribution des pouvoirs dans la gestion des établissements suscite des luttes autour de la définition légitime de la participation dans l’école. Celles-ci entravent son institutionnalisation et perpétuent des pratiques clandestines, en dehors des cadres autorisés par l’autorité publique.
Conflit environnemental et participation publique dans les zones semi-arides de l’Ouest des États-Unis : le projet minier de Rosemont (comté de Pima, Arizona)
Authors: Boyer Anne-Lise , Le Gouill Claude , Poupeau Franck , Razafimahefa Lala
Published: May 2018

Cette étude porte sur le processus participatif mis en place dans le cadre de la loi fédérale National Environmental Protection Act aux États-Unis qui, depuis les années 1970, vise à concilier préoccupations environnementales et poursuite de l’exploitation des ressources naturelles. Le conflit autour du projet de mine à ciel ouvert de Rosemont en Arizona dure depuis dix ans en raison de cet encadrement législatif contraignant. Cette étude de cas est donc particulièrement révélatrice des contradictions posées par ces deux orientations divergentes. À partir de l’analyse des commentaires publics recensés dans le cadre de l’évaluation procédurale de ce projet minier, cet article montre que les processus institutionnels top-down tendent à réserver la participation à des catégories restreintes de la population mais plus originalement, ce cas montre aussi qu’ils sont limités par le fait que les partisans et opposants de la mine, derrière leurs positionnements idéologiques antagonistes, partagent les mêmes visions des relations entre activités humaines et nature.
Patiente impatience
Authors: Baldacci Jean-Louis
Published: May 2018

Renoncement et renversement, ces moments cruciaux du contre-transfert scandent le jeu analytique et cherchent à articuler la patience et l’impatience, soit une patiente impatience comme condition de l’appropriation subjective de l’absence. Dans ce jeu, l’interprétation et la parole associative jouent un rôle crucial en cherchant, via les autoérotismes, un équilibre entre le pôle narcissique et le pôle objectal du fonctionnement psychique. Mais l’équilibre quand il se trouve est toujours en instance de déséquilibre.
« Fais pas ci, fais pas ça », un surmoi impatient
Authors: Cohen de Lara Aline
Published: May 2018

L’auteur évoque des situations où l’impatience manifestée serait une tentative pour contenir le surgissement de l’angoisse de mort, dérivée de l’angoisse morale, et d’un sentiment inconscient de culpabilité, tous deux liés aux risques de transgression face aux injonctions du surmoi. Un surmoi impatient ? L’impatience du patient vient susciter l’inquiétude de l’analyste, qui peut y répondre par une forme d’impatience en miroir ou par les voies de la tendresse respectant la temporalité de l’ infants .
Sans moi ? L’inconsistance de l’analyste
Authors: Morel Alexandre
Published: May 2018

En interrogeant les manifestations de l’impatience chez l’analyste, l’auteur évoque d’abord la pertinence de sa mise en œuvre auprès des adolescents : des formes diverses de ce qui est décrit comme une présence « consistante » de l’analyste se justifieraient pour soutenir la mise en forme à visée subjectivante d’une excitation pubertaire toujours susceptible de se muer en symptômes d’impatience. À l’écoute des adultes, l’excitation de l’analyste est ensuite déclinée selon des trajectoires qui, contre les voies de l’assignation transférentielle et piégées par l’impatience, servent les revendications du moi et de sa suffisante « consistance ». Sont enfin proposées comme contournements de l’impatience, l’investissement de la déliaison, de l’étrange et du masochisme.
ARTICLE RETIRÉ : Impatience sans fin, impatience avec fin
Authors: Servant Benoît
Published: May 2018

Pour l’auteur, l’impatience peut témoigner du report indéfini de la satisfaction causée par le conflit inconscient, issu d’une intrication pulsionnelle défaillante, qui entretient à la fois le désir et son interdit : c’est l’impatience sans fin. L’impatience avec fin permet elle de se dégager de l’emprise perverse. Ces deux conjonctures sont illustrées par des vignettes cliniques et des fictions d’Henry James.
A proposed selection process in Over-The-Top project portfolio management
Authors: Confido Jemy Vestius , Wibisono Dermawan , Sunitiyoso Yos
Published: May 2018

Purpose: The purpose of this paper is to propose an Over-The-Top (OTT) initiative selection process for communication service providers (CSPs) entering an OTT business.Design/methodology/approach: To achieve this objective, a literature review was conducted to comprehend the past and current practices of the project (or initiative) selection process as mainly suggested in project portfolio management (PPM). This literature was compared with specific situations and the needs of CSPs when constructing an OTT portfolio. Based on the contrast between the conventional project selection process and specific OTT characteristics, a different selection process is developed and tested using group model-building (GMB), which involved an in-depth interview, a questionnaire and a focus group discussion (FGD).Findings: The paper recommends five distinct steps for CSPs to construct an OTT initiative portfolio: candidate list of OTT initiatives, interdependency diagram, evaluation of all interdependent OTT initiatives, evaluation of all non-interdependent OTT initiatives and optimal portfolio of OTT initiatives.Research limitations/implications: The research is empirical, and various OTT services are implemented; the conclusion is derived only from one CSP, which operates as a group. Generalization of this approach will require further empirical tests on different CSPs, OTT players or any firms performing portfolio selection with a degree of interdependency among the projects.Practical implications: Having considered interdependency, the proposed OTT initiative selection steps can be further implemented by portfolio managers for more effective OTT initiative portfolio construction.Originality/value: While the previous literature and common practices suggest ensuring the benefits (mainly financial) of individual projects, this research accords higher priority to the success of the overall OTT initiative portfolio and recommends that an evaluation of the overall portfolio should occur prior to individual evaluation. Consequently, certain initiatives may not provide direct individual benefits. Those initiatives should remain within the portfolio because they are needed for the success of other initiatives.
Mathematical models for a batch scheduling problem to minimize earliness and tardiness
Authors: Ogun Basar , Alabas-Uslu Çigdem
Published: May 2018

Purpose: Today’s manufacturing facilities are challenged by highly customized products and just in time manufacturing and delivery of these products. In this study, a batch scheduling problem is addressed to provide on-time completion of customer orders in the environment of lean manufacturing. The problem is to optimize partitioning of product components into batches and scheduling of the resulting batches where each customer order is received as a set of products made of various components.Design/methodology/approach: Three different mathematical models for minimization of total earliness and tardiness of customer orders are developed to provide on-time completion of customer orders and also, to avoid from inventory of final products. The first model is a non-linear integer programming model while the second is a linearized version of the first. Finally, to solve larger sized instances of the problem, an alternative linear integer model is presented.Findings: Computational study using a suit set of test instances showed that the alternative linear integer model is able to solve all test instances in varying sizes within quite shorter computer times comparing to the other two models. It was also showed that the alternative model can solve moderate sized real-world problems.Originality/value: The problem under study differentiates from existing batch scheduling problems in the literature since it includes new circumstances which may arise in real-world applications. This research, also, contributes the literature of batch scheduling problem by presenting new optimization models.
Supplemental Use of Complementary Alternative Medicine for the Treatment of Schizophrenia
Authors: Gabriel Steven , Ward Kristen M. , Ellingrod Vicki L.
Published: May 2018

Through a variety of mechanisms, polyunsaturated fatty acids (PUFAs), ascorbic acid, and folate have been proposed as beneficial supplements in the treatment of schizophrenia. Although data are conflicting regarding the potential for any of these supplements to improve symptoms, current studies suggest that PUFAs may be potentially beneficial for younger patients at high risk of developing schizophrenia, or those experiencing their first episode. Similarly, benefit of folate supplementation may be most significant for patients with certain genetic variants in enzymes critical for folate metabolism. At doses used in clinical studies with schizophrenia populations, these complementary alternative medications have been found to be generally safe and may be considered as adjunctive agents to traditional therapy for interested patients.

[
Psychiatr Ann.
2018;48(5):211–213.]
Eliminación de metales tóxicos presentes en efluentes líquidos mediante resinas de cambio iónico. Parte VI: Manganeso(II))/H+/Lewatit K2621
Authors: Alguacil Francisco J.
Published: May 2018

En esta sexta parte de la serie de trabajos sobre la eliminación de metales tóxicos de disoluciones acuosas, se presentan datos sobre el sistema manganeso(II)-Lewatit K2621. La investigación se ha llevado a cabo empleando diferentes condiciones experimentales como son la velocidad de agitación asociada al sistema, el pH del medio acuoso, la temperatura, la adicción de distintas cantidades de resina a la disolución acuosa que contiene Manganeso(II) y la fuerza iónica de esta disolución. El comportamiento de la resina Lewatit K2621 respecto a la eliminación del Manganeso(II) se ha evaluado en presencia de otros elementos metálicos en la disolución acuosa, asimismo se ha comparado el comportamiento de la resina frente a la utilización de otros potenciales adsorbentes para el metal como son los nanotubos de carbono de pared múltiple sin funcionalizar o funcionalizados con grupos carboxílicos. El modelo cinético de pseudo-primer orden explica los resultados cinéticos del proceso de intercambio catiónico, el aumento de temperatura hace que el modelo de cambio iónico responda a dos procesos diferentes, a 20 °C es del tipo de difusión en el medio acuoso y a 60 °C el modelo es el de núcleo recesivo. La isoterma de Freundlich se adapta mejor a los resultados obtenidos respecto a la carga del metal en la resina. La elución del Manganeso(II) cargado en la resina se ha investigado mediante el uso de disoluciones acidas (H2SO4 o HCl).
Developing Future Global Business Leaders Through International Experiences
Authors: Panina Daria , Lane Katy
Published: May 2018

The interconnected exchange between countries and continents requires a global perspective and awareness that includes international knowledge and competence. Educational programs abroad are designed to provide students with opportunities to develop these global competencies linked to numerous beneficial outcomes. Due to the large variety of outcomes and inconsistencies in their measurement and assessment, it is necessary to review the existing literature to systematically categorize these outcomes and their impact on students. This chapter discusses the main types of international learning programs and their characteristics. The literature on the outcomes of these programs is then reviewed by focusing primarily on the experiences of business schools. The factors which might improve the outcomes of the international experiences for the students are also discussed. Finally, implications for future research in international programs assessment and evaluation are suggested and practical advice is offered for faculty and administrators involved in program design and implementation.
Understanding Cross-Cultural Differences in the Work Stress Process
Authors: Fila Marcus J. , Wilson Morgan S.
Published: May 2018

Work-related stress is considered to be a modern-day pandemic. Excessive work stress has costly implications for individuals, their organizations, and societal functioning, due to its links to physical and psychological strains, and unwanted behavioral reactions. Cross-cultural differences in how stressors are appraised and responded to add nuance and enormous complexity to the work stress process. However, it is becoming increasingly imperative for business educators to understand what these differences are as more workers move from one country to another, and more organizations operate across national boundaries. Therefore, this chapter reviews research to date on how work stress is interpreted and responded to differently across national cultures. A theoretical framework of cross-cultural work stress is presented to help inform business educators and practitioners about the influences of national culture on the work stress process. Finally, recommendations for future research and practical implications of cross-cultural work stress considerations are offered.
Cultural Problems During an International Joint Venture
Authors: Sharma Vinod , Maheshkar Chandan , Chandra Disha
Published: May 2018

In the brace of globalization, the number of international joint ventures (IJVs) has shown a steep rise over the past two decades, with the aim of becoming more globally unified and increasing the range of exploitable complementary resources that increase the capacities, efficiencies, and core competencies of the IJV companies. The IJV companies face several issues related to intercultural differences and do a lot of maneuvers to ensure a successful venture. This chapter elaborates such issues and how the company resolves them through a phenomenological approach. The research objective is to investigate whether the success of joint venture can be attributed to the solutions of intercultural problems in congruence. During the research, eight employees from the top management were interviewed, who highlighted several intercultural problems and also discussed the solutions which could effectively resolve such issues. Further study has been recommended on an unsuccessful venture where the IJV failed due to such cultural problems to check the effectiveness of the solutions used.
Developing Cross-Cultural Competence Through Cultural Intelligence
Authors: Kaur Navdeep
Published: May 2018

Since the end of the cold war in the late 1980s, world economies have been showing a growing tendency to become globally interdependent. Subsumed under the term globalization, this phenomenon resulted in a lot of cross-cultural alliances in terms of turnkey projects, licensing agreements, and foreign capital investments. But ultimately, success depended on cross-culturally competent behavior, or as Plato puts it, behavior stemming from desire, knowledge, and emotion, the one needed to read across wires and walls of different cultures. So, the present chapter is a psychological aspersion targeted at analyzing and educing measures to develop cross-cultural competence, a crucial criterion in business education. On that account, the role of cultural intelligence as a moderator of emic and etic psycho-cultural influences in business settings has been explored. The entire narration rests on transcending influences of CQ as a moderator in psycho-cultural business contexts.
Management of Intercultural Relations in an Intercultural Organization
Authors: Vargas-Hernández José G. G. , Poulose Jeanne
Published: May 2018

The chapter aims to reflect on the management of intercultural organizational relations. It explains the transition of homogenous organizations into the culturally heterogeneous organization and compares multiculturalism with cross-culturalism in its ability to harmonize the principles of cultural diversity with universal ethical principles. It explores the process of creation of a third culture to foster understanding and acceptance among diverse teams. It attempts to establish the impact of intercultural interactions/relations on the effectiveness of a diverse team of individuals interacting in concert to achieve common goals. The work also underpins some analysis of the creation, development, and management of organizational intercultural capital. Finally, the emergence of the model of strategic management of an intercultural organization focused on learning and training for proper operationalization and implementation is proposed, and some challenges that could antagonize the teams are looked into and proposals are formulated.
Arguments Against Online Learning
Authors: Patroc Dan
Published: May 2018

This chapter details some arguments against online learning both from the literature dealing with such problems and from the personal experience of the author. There are eight arguments rendered in detail, as well as some other arguments briefly mentioned. Even if the order of the arguments is random, they all point in the same direction: that online learning should be accepted with much caution. In spite of these arguments (and although most of them should really create some doubts for the defenders of online learning), in the end we must admit that such a choice (teaching or being a student in an online environment) is a purely personal one.