Miracle-dz/UniFAR-FTUs huggingface dataset:
Servant Leadership and Authentic Leadership as Job Resources for Achieving Workers’ Subjective Well-Being Among Organizations Based on Values

Introduction Empirical evidence shows that leadership style is a job resource that promotes employee subjective well-being among workers of value-based organizations. These organizations try to create cultures with strong values to which employees adhere, increasing their subjective well-being and transmitting the identity values. Concretely, religious organizations are characterized by transmitting their values while they perform their services. The value-based management model of religious entities is an appropriate setting for studying the effects that this style based on values has on subjective well-being. Purpose In organizations with strong value-based cultures, the most appropriate styles are moral leadership and, among them, servant and authentic leadership; thus, this research contributes from the theoretical framework of job demands-resources (JD-R) model to the open debate on leadership as job resource to promote subjective well-being and the common characteristics of these leadership styles. Patients and Methods To reach the aim of this research, a sample of workers in Catholic organizations located in Spain was used. The data was processed using partial least squares (PLS) technique. Results The results show that while authentic leadership is a job resource to achieving greater well-being among workers of value-based organizations, servant leadership is merely a resource in the presence of a perceived authentic leadership. In other words, authentic leadership exerts a total mediation in the relationship between servant leadership and subjective well-being. Conclusion The main contribution of this research lies in demonstrating that servant and authentic leadership are job resources that together promote subjective well-being among workers of religious organizations. This result rejects the previous theory that defend the redundant outcomes of these leadership styles, what undoubtedly constitutes an interesting finding for the academy. These findings also complement the social identity theory, as the identity of a service entity could justify that servant leadership generates higher levels of perceived authentic leadership.
Cortisol Response in Breast Cancer: The Role of Physical Activity and Exercise

Chronic stress is a consistent sense of feeling pressured and overwhelmedfor a long period of time and it has been defined as a maladaptive state thatis associated with altered hypothalamic pituitary adrenal (HPA) axis. Thehyperactivity of the HPA axis is commonly assessed by cortisol levels.Physical activity (PA) and exercise have been demonstrated to regulatecortisol patterns in different healthy study populations, but also in BCpatients and survivors. The PA and exercise are related but have distinctconcepts that are commonly misused. Nowadays, the regular practice of PAand exercise has been widely recognized as one main strategy to managechronic stress and its related markers, like cortisol, remains elusive. In thepresent review, the authors focused on the evidence of the PA and exerciseon cortisol patterns of BC patients and survivors.
Measurement of the ??p?K+? reaction at backward angles

Cross sections for the $\gamma p \to K^+ \Lambda$ have been measured at backward angles using linearly polarized photons in the range 1.50 to 2.37 GeV. In addition, the beam asymmetry for this reaction has been measured for the first time at backward angles. The $\Lambda$ was detected at forward angles in the LEPS spectrometer via its decay to $p\pi^-$ and the K^+ was inferred using the technique of missing mass. These measurements, corresponding to kaons at far backward angles in the center-of-mass frame, complement similar CLAS data at other angles. Comparison with theoretical models shows that the reactions in these kinematics provide further opportunities to investigate the reaction mechanisms of hadron dynamics.
Investigating the Role of Professional Development Interventions in the Development of Teaching Skills Among Primary School Teachers of District Swat Khyber Pakhtunkhwa, Pakistan

Primary education is the foundation for future education of children and teachers at this level are faced with the challenging task of shaping the potentials of young children in the right direction for creating the sound foundations of their future education. Hence, these teachers need to be much more dynamic and competent for fulfilling their uphill task. Therefore, the study aims to investigate the role of professional development interventions in the development of teaching skills among primary school teachers of district Swat, Khyber Pakhtunkhwa, Pakistan. The objectives of the study were to; find out professional development interventions arranged for the teaching skills development of primary school teachers and investigate the role of professional development interventions in the development of teaching skills among primary school teachers. The population of the study was 2173 primary school teachers of District Swat. A sample of 348 participants was randomly selected for the study. A Likert scale questionnaire was developed, validated and pilot tested for data collection. The data were collected through self-administered questionnaire and analyzed with frequencies, percentages and chi square test of significance. The study found out the professional development interventions of the British Council Training for Teaching Skills of Teachers, Induction Training for newly recruited Teachers and CPD trainings for the development of teaching skills among primary school teachers and demonstrated the development in the skills of pedagogy, content, classroom management skills, communication skills, use of ICTs and assessment skills and practices among primary school teachers. The study further recommended the arrangement of need analysis, use of standard criteria and collaboration of stake holders for the professional development interventions of teachers.
Lithium depleted stars in the young sigma Ori cluster

Context: Knowledge of the age distribution of stars in young clusters and associations is crucial to constrain models of star formation. HR diagrams of different young clusters and associations suggest the presence of age spreads, but the influence of errors on the derived ages is still largely debated. Determination of lithium abundances in low-mass stars represents an alternative and robust way to infer stellar ages. Aims: We measured lithium in a sample of low mass members of the young (4-5 Myr) sigma Ori cluster with the main goal of investigating its star formation history. Methods: Using the FLAMES multi-object spectrograph on VLT/UT2, we obtained spectra of 98 candidate cluster members. The spectra were used to determine radial velocities, to infer the presence of Halpha emission, and to measure the strength of the Li 670.8 nm absorption line. Results: Using radial velocities, Halpha and Li, together with information on X-ray emission, we identified 59 high probability cluster members. Three of them show severe Li depletion. The nuclear ages inferred for these highly depleted stars exceed 10-15 Myr; for two of them these values are in good agreement with the isochronal age, while for the third star the nuclear age exceeds the isochronal one.
Nonreciprocal Phenomena on Reflection of Terahertz Radiation off Antiferromagnets

There are a number of ways that reciprocity principles in opt ics may be affected by the presence of a static magnetic field (Potton, 2004). A classic example is Faraday rotation in which a plane polarised electromagnetic beam propagating through a suitable medium is rotated in the presence of a static magnetic field along the direction of propagation. The handedness of this rotation depends on the propagation direction, a nonreciprocal effect usefully applied to the construction of optical isolators (Dotsch et al., 2005). Nonreciprocal effects of this type are closely related to the idea that magnetic fields break time reversal symmetry. Similar nonreciprocal phenomena can occur, in various guises, on reflection off a semi-infinite sample. We discuss such behaviour in the present chapter, in the context of reflection off antiferromagnetic materials. In contrast to nonreciprocal phenomena based on the Faraday effect, our interest is in the Voigt geometry, in which the static magnetic field is perpendicular to the direction of propagation. We consider the well established phenomena of nonreciprocity in the intensity and phase of oblique incidence radiation, but concentrate mainly on recent developments on nonreciprocal power flow and finite beam effects. We restrict discussion to the simple two dimensional geometry shown in Figure 1. Radiation is reflected, in the xy plane, off a semi-infinite sample, isotropic in this plane, in the presence of a static magnetic field B0 along z (into the page). Note that, in this configuration, we do not have to worry about polarisation effects, since there is no mixing between s-polarised (electromagnetic E field component along z) and p-polarised (electromagnetic H field component along z) radiation.
Exploring the Suicide Mechanism Path of High-Suicide-Risk Adolescents—Based on Weibo Text Analysis

Background: Adolescent suicide can have serious consequences for individuals, families and society, so we should pay attention to it. As social media becomes a platform for adolescents to share their daily lives and express their emotions, online identification and intervention of adolescent suicide problems become possible. In order to find the suicide mechanism path of high-suicide-risk adolescents, we explore the factors that influence is, especially the relations between psychological pain, hopelessness and suicide stages. Methods: We identified high-suicide-risk adolescents through machine learning model identification and manual identification, and used the Weibo text analysis method to explore the suicide mechanism path of high-suicide-risk adolescents. Results: Qualitative analysis showed that 36.2% of high-suicide-risk adolescents suffered from mental illness, and depression accounted for 76.3% of all mental illnesses. The mediating effect analysis showed that hopelessness played a complete mediating role between psychological pain and suicide stages. In addition, hopelessness was significantly negatively correlated with suicide stages. Conclusion: mental illness (especially depression) in high-suicide-risk adolescents is closely related to suicide stages, the later the suicide stage, the higher the diagnosis rate of mental illness. The suicide mechanism path in high-suicide-risk adolescents is: psychological pain→ hopelessness → suicide stages, indicating that psychological pain mainly affects suicide risk through hopelessness. Adolescents who are later in the suicide stages have fewer expressions of hopelessness in the traditional sense.
On the Geometric Convergence of the Gibbs Sampler

SUMMARY The rate of convergence of the Gibbs sampler is discussed. The Gibbs sampler is a Monte Carlo simulation method with extensive application to computational issues in the Bayesian paradigm. Conditions for the geometric rate of convergence of the algorithm for discrete and continuous parameter spaces are derived, and an illustrative exponential family example is given. This paper investigates conditions under which the Gibbs sampler (Gelfand and Smith, 1990; Tanner and Wong, 1987; Geman and Geman, 1984) converges at a geometric rate. The main results appear in Sections 2 and 3, where geometric convergence results are established, with respect to total variation and supremum norms under fairly natural conditions on the underlying distribution. For ease of exposition, we shall concentrate on the two most commonly encountered situations, where the state space is finite or continuous. All our results will establish uniform convergence, a strong form of geometric convergence, under appropriate regularity conditions. Uniform convergence is a useful property in its own right but also happens to be a sufficient condition for certain ergodic central limit theorems. Such results are important for estimation in Markov chain simulation but will not be considered in detail here. Our approach is to apply the theory of Markov chains to the specific Gibbs sampler case. In the finite state space case, uniform ergodicity is automatic. However, the situation is more complicated for continuous state spaces where even well-behaved underlying distributions can give rise to Markov chains which converge slowly, or have unbounded kernels. We give two results in this context, corollary 2 and corollary 3 which establish uniform convergence under different sets of conditions on the underlying density. Finally we apply these results to an example of a Bayesian hierarchical model where regularity conditions for geometric convergence are naturally satisfied. Here the hierarchical structure of the model is crucial in permitting application of corollary 3.
Principles of differential equations

Preface. 1. Fundamental Theorems. 2. Classical Themes. 3. Linear Differential Equations. 4. Constant Coefficients. 5. Stability. 6. The Poincare Return Map. 7. Smooth Vector Fields. 8. Hyperbolic Phenomenon. 9. Bifurcations. Bibliography. Index.
Postoperative Dynamic of Leptin and Fibroblast Growth Factor 21 in 123 Patients Recovering from Cardiac Surgery

Background Cardiac surgery triggers acute changes in serum leptin and fibroblast growth factor 21 (FGF-21). Considering their pleiotropic role in inflammation and abnormal glucose metabolism, perseverance of their abnormal serum level can have a long-term impact on recovery and end-organ failures. Long-term dynamics after cardiac surgery are unknown. Material/Methods Serum was collected from 123 patients before cardiac surgery (tbaseline) and 24 h (t24h), 7 days (t7d), and 3 months (t3m) later. Also, interleukin 6 (IL-6) and C-reactive protein (CRP) assessed nonspecific inflammatory responses. Neurodegeneration was gauged with serum amyloid β1–40 and β1–42. Demographic and clinical information, including disposition at 28 days and t3m from admission, were collected. Results Serum leptin increased at t24h (leptinbaseline=613±747.9 vs leptin24h=768±718.1; P=0.0083) and decreased at t7d (leptin7d=499.5±540.2; P=0.043). FGF-21 levels increased at t24h and t7d. Cytokines normalized by t3m. Presurgical leptin levels were higher in Asians and were the primary determinant of postoperative leptin changes. Leptin levels were most elevated in patients undergoing aortic valve and arch surgery; the perioperative increase was significant only in patients with mitral valve surgery. Leptin and FGF-21 did not correlate with markers of general inflammation (CRP, IL-6), which partially resolved after t3m. Amyloid β1–42 at t3m correlated with leptin peak at t24h. Low prehospital FGF-21 level correlated with the incidence of perioperative stroke; postoperative FGF-21 correlated with discharge to facility vs home. Conclusions : Leptin and FGF-21 evolve independently from the inflammatory response in the aftermath of cardiac surgery and correlate with cardiac remodeling and neurodegeneration markers.
Impact of Irrational Investment on the Performance: The Case of Nonfinancial Companies in Vietnam

The aim of this study was to investigate the effect of irrational investment on the performance of non-financial firms in Vietnam. A panel data of 184 non-financial companies listed on Ho Chi Minh Stock Exchange was collected over the period from the year 2013 to the year 2017. With the aim of assessing irrational investment status, Richardson's theoretical model of investment was adopted to separate irrational investment into over-investment and under-investment. This study employed panel data regression with the fixed effects model to test the proposed hypothesis. The estimated results showed that over-investment negatively affected firm performance while proper investment had a positive influence on firm performance. Meanwhile, the impact of under-investment on the performance of enterprises was different according to industry. Based on the empirical findings, the study provided some policy implications for the corporate governance.
Stable maps to rational curves and the relative Jacobian

We consider two cycles on the moduli space of compact type curves and prove that they coincide. The first is defined by pushing forward the virtual fundamental classes of spaces of relative stable maps to an unparameterized rational curve, while the second is obtained as the intersection of the Abel section of the universal Jacobian with the zero section. Our comparison extends results of Cavalieri-Marcus-Wise where the same identity was proved over on the locus of rational tails curves.
Direct Numerical Simulations of Nonlinear Evolution of MHD Instability in LHD

Nonlinear evolutions of MHD instabilities in the large helical device are studied by means of direct numerical simulations under the vacuum configuration with the magnetic axis position R = 3.6m, including effects of its full three‐dimensional geometry, flows parallel to the magnetic field lines and the fluid compressibility. The linear growth of the pressure‐driven modes and their nonlinear saturations are observed. The linear growth brings about the flows parallel to the magnetic field lines as strong as the perpendicular flows. The fluid compressibility reduces the linear growth rate significantly. In the nonlinear saturation process, a qualitative difference is found in the behaviors of the parallel and perpendicular flows. The plasma appears to approach to a near‐equilibrium state, keeping finite amplitudes of the parallel flow. Our numerical results highlight important roles of the parallel flow and compressibility in nonlinear MHD simulations in the large helical device.
RESPIRATORY HEALTH DISORDERS AMONG WORKERS IN ASPHALT MIXING PLANTS

Introduction: Asphalt mixing plants’ workers are exposed to different types of chemicals at the work place that may affect their respiratory system. Aim of Work: To study the respiratory health disorders among asphalt mixing plants’ workers and to assess the workplace environment. Materials and Methods: A cross sectional study was conducted in 2 asphalt mixing plants, Menoufia Governorate and 100 asphalt mixing plants’ workers have been included in the study during the period from the February 1st, 2020 to December 31th, 2021. An equal number of control subjects were chosen at random from workers’ family members with the same socio-demographic characteristics and who had never been exposed to such risks. A predesigned questionnaire was used for interviewing all participants followed by physical examination and spirometric measurements. Assessment of the work environment was also done. Results: The average concentration of airborne particles was (3.872 0.307 mg/m3), which was higher than the Egyptian Environmental Law 4 Decree 1095, (2011) permitted threshold of (3 mg/m3). Furthermore, the total accumulation of crystalline silica in airborne particles was (45.58 2.531mg/m3), which was less than the acceptable amount established by Egyptian Environmental Law No. 4 Decree 1095, 2011 and Recommended Exposure Limit (REL) of NIOSH, 2005 for free crystalline silica level (50 µg/m3 = 0.05 mg/m3). Respiratory symptoms such as rhinitis, cough, productive cough, dyspnea, recommended that personal protective equipment should be regularly used with proper ventilation of the workplace and continuous monitoring of the work environment to maintain the exposure levels below permissible values. Also, all workers should be subjected to periodic medical examination.
Vertebrate fauna from the Late Triassic Tiki Formation of India: new finds and their biostratigraphic implications

Recent work on the Tiki Formation has resulted in the collection of new and varied vertebrate micro–and megafossils, including a new bonebed containing low diversity, mono–dominant, multitaxic vertebrate accumulation where the rhynchosaur, Hyperodapedon tikiensis constitute the dominant component. This bonebed has also yielded a large traversodontid cynodont Ruberodon roychowdhurii. In addition, there are several diagnostic postcrania such as vertebrae and incomplete limb bones belonging to a basal saurischian dinosaur. Systematic exploration and collection has yielded numerous isolated teeth and postcrania of small vertebrates such as different types of freshwater sharks, bony fishes, archosauriforms, lepidosauromorphs, cynodonts and other reptiles. Based on its fossil flora and fauna, the Tiki Formation is globally correlated with other coeval horizons such as the lower member of the Maleri Formation of the Pranhita–Godavari basin, the upper part of the Santa Maria Formation of Brazil, the Camp Springs and lower Tecovas formations of the Chinle Group, USA. A Carnian (Otischalkian to early Adamanian) age is proposed for the Tiki Formation.
A model theoretic construction for layered semifields

In this paper we introduce a model theoretic construction for the theories of uniform layered domains and semifields introduced in the paper of Izhakian, Knebusch and Rowen. We prove that, for a given layering semiring L, the theory of uniform L-layered divisibly closed semifields is complete. In the process of doing so, we prove that this theory has quantifier elimination and consequently is model complete. Model completeness of uniform L-layered divisibly closed has some important consequences regarding the uniform L-layered semifields theory. One example involves equating polynomials. Namely, model completeness insures us that if two polynomials are equal over a divisibly closed uniform L-layered semifield, then they are equal over any divisibly closed uniform L-layered extension of that semifield, and thus over any uniform L-layered domain extending the semifield (as it is contained in its divisible closure of its semifield of fractions). At the end of this paper we apply our results to the theory of max-plus algebras as a special case of uniform L -layered domains.
Spontaneous and dynamical symmetry breaking in higher-dimensional space-time with boundary terms

In this thesis we study physics beyond the standard model focusing on the quantum field theory in higher-dimensional space-time with some boundary terms. The boundary term causes nontrivial consequences about the vacuum structure of the higher-dimensional theory. We take particular note of two independent solutions to the weak and Planck hierarchy problem: ``low scale supersymmetry'' and ``dynamical electroweak symmetry breaking. '' From a viewpoint of the low scale supersymmetry, we study $F$ and $D$ term supersymmetry breaking effects on sparticle spectra from a boundary. While we also investigate a nonperturbative effect caused by a bulk (nonsupersymmetric) gauge dynamics on a fermion bilinear condensation on a boundary, and analyze the dynamical symmetry breaking on the brane. From these analyses we conclude that the field localization in higher-dimensional space-time involves in a nontrivial vacuum structure of the theory, and the resultant low energy four-dimensional effective theory has phenomenologically interesting structure. In a framework of purely four-dimensional theory, we also construct the above nontrivial effect of localization in the extra dimension.