Miracle-dz/UniFAR-FTUs huggingface dataset:
Uniqueness of meromorphic functions concerning weakly weighted-sharing

In this paper, we introduce the deﬁnition of weakly weighted-sharing which is between ‘‘CM’’ and ‘‘IM’’. Using the notion of weakly weighted-sharing, we study the uniqueness problems on meromorphic function and its k th order derivative f ð k Þ satisfying certain sharing set properties. As consequences, we are able to answer questions posed by Kit-wing Yu, which were also studied by I. Lahiri and A. Sarkar, L. P. Liu and Y. X. Gu. Our results sharpen the above results.
Effective temperatures, angular diameters, distances and linear radii for 160 O and B stars

This paper discusses effective temperatures, angular diameters, distances, and linear diameters that have been determined for 160 O and B stars on the basis of published UV spectrophotometry, visible and near-IR intermediate-band photometry, and model-atmosphere fluxes. The results are compared with previous measurements and calculations for main-sequence and giant O and B stars. It is found that: (1) the flux effective temperatures of O and B supergiants are systematically lower than those of main-sequence and giant stars of the same subtype; (2) the effective temperatures and radii of Beta Cep stars are the same as those of nonvariable stars of the same spectral type; (3) Be stars that do not have two Balmer jumps have effective temperatures very similar to those of normal B stars of the same subtype; (4) O and B stars increase in size from the main sequence to supergiants; and (5) late B supergiants are approximately twice as large as O9 supergiants.
Ultrathin ALD-Al2O3 layers for Ge(001) gate stacks: Local composition evolution and dielectric properties

Correlations among physical and electrical properties of atomic layer deposited (ALD)-Al2O3 on H2O-prepulsed Ge(100) have been investigated to evaluate Al2O3 as an ultrathin interface passivation layer for higher-k/Al2O3/Ge gate stacks. In situ XPS in the ALD environment provides insights into the local composition evolution during the initial stages of ALD, evidencing (a) an incubation regime that may limit the minimum achievable capacitance equivalent thickness (CET) of these gate stacks, and (b) residual hydroxyl incorporation in the film consistent with the observed dielectric constant ∼7.2. Thickness scaling of the CET is consistent with a nearly abrupt interface as measured by synchrotron radiation photoemission spectroscopy (SRPES). SRPES studies also reveal that forming gas anneal provides passivation through monolayer-level formation of stoichiometric GeO2, suggesting a complex chemical interaction involving residual -OH groups in the as-grown ALD-Al2O3. Valence and conduction band offsets of pre.
Short-term effects of elastic taping on dancer's postural control performance

It was explored whether three different applications of elastic tape on the lower limbs of active, healthy dancers influence their postural control performance. 15 active, healthy dancers randomly performed demi-pointes and sissone ouvertes on a force platform in four experimental conditions: 1. no tape application, 2. ankle joint tape application, 3. leg muscle tape application, and 4. control tape application. Four kinetic parameters were calculated in order to represent postural control performance: 1) variable error of force magnitude in forward-backward direction, 2) variable error of force magnitude in side to side direction. 3) peak impact force during landing phase and 4) episodes of overall duration. Results revealed a task-dependent performance-enhancing effect and an application-specific performance-influencing effect concerning vertical ground reaction force measurements. It is concluded that the application of elastic tape for healthy, active dancers may on the one hand enhance parameters of postural control, whereas the same elastic tape application may hamper other performance related aspects of typical modern and classical ballet dance routines. Conflicting scientific results may thus indicate that generalized effects are controversial and positive influences in one specific characteristic can induce a decrease in another performance influencing characteristic.
Infinite horizon stochastic programs

This paper considers a discrete time infinite horizon stochastic program with the objective of minimizing the expected present value of a sum of convex cost functions. In any finite time we assume that only a finite number of outcomes can occur. The paper presents a sequence of solvable finite horizon problems that converge in value and decision to the value and decision of the infinite problem.
Stability of n = 1 internal modes in tokamaks

An extensive numerical study has been carried out for internal modes with toroidal mode number unity. These are internal kink modes, when the q = 1 surface falls within the plasma, and have a ballooning characteristic when qaxis > 1 Both modes show a dependence on the pressure and have a second region of stability at high β. A parameter survey has been conducted, varying the geometry, i.e. aspect ratio, ellipticity, triangularity, etc. and the current profiles, through the pressure and safety factor. The principal results show that the modes are dependent on the geometry and are strongly stabilized by high-order, noncircular effects. Broader pressure profiles and reduced shear are favourable for limiting the instability.
Phase Transitions in Solid Solutions of PbZrO 3 and PbTiO 3 (II) X-ray Study

The phase diagram of the whole range of the PbZrO 3 -PbTiO 3 system was determined by the dielectric and dilatometric measurements. According to the reason shown in part I, this phase diagram can be divided into three regiors; paraelectric, ferroelectric and antiferroelectric phases. The crystal structure of this system was determined by the Debye photographs. In the antiferroelectric region solid solutions have a tetragonal modification of perovskite structure with c / a 1 without any superstructure.
SPITFIRE within the MPI Earth system model: Model development and evaluation

Quantification of the role of fire within the Earth system requires an adequate representation of fire as a climate‐controlled process within an Earth system model. To be able to address questions on the interaction between fire and the Earth system, we implemented the mechanistic fire model SPITFIRE, in JSBACH, the land surface model of the MPI Earth system model. Here, we document the model implementation as well as model modifications. We evaluate our model results by comparing the simulation to the GFED version 3 satellite‐based data set. In addition, we assess the sensitivity of the model to the meteorological forcing and to the spatial variability of a number of fire relevant model parameters. A first comparison of model results with burned area observations showed a strong correlation of the residuals with wind speed. Further analysis revealed that the response of the fire spread to wind speed was too strong for the application on global scale. Therefore, we developed an improved parametrization to account for this effect. The evaluation of the improved model shows that the model is able to capture the global gradients and the seasonality of burned area. Some areas of model‐data mismatch can be explained by differences in vegetation cover compared to observations. We achieve benchmarking scores comparable to other state‐of‐the‐art fire models. The global total burned area is sensitive to the meteorological forcing. Adjustment of parameters leads to similar model results for both forcing data sets with respect to spatial and seasonal patterns.
A relation between H2 v=1−0 S(1) and 3.28 micron emission in Seyfert and starburst galaxies

This letter reports the results of a comparison of the H2 v = 1-0 S(1) emission line with the 3.28-micron emission feature on a sample of 24 galaxies containing an active galactic nucleus (AGN) or a starburst nucleus (SBN). In the SBNs, a good linear correlation is found between these emissions. If it is assumed that the S(1) line is due to shock heating by supernova events and the 3.28-micron feature is due to UV radiation of young stars, this correlation is well explained by starburst models published by Rieke et al. (1980) and Gehrz et al. (1983). In the AGNs, on the other hand, the relative strengths of 3.28-micron feature to S(1) are smaller than those in the SBNs. This trend is interpreted as due to enhanced excitation of S(1) and destruction of 3.28-micron-emitting material caused by abundant X-ray photons from the Seyfert nuclei. 38 refs.
Reasons of low charge collection efficiency in CdTe-based x/γ detectors with ohmic contacts

Quantitative assessments of the possibility to improve the energy resolution of detectors based on CdTe crystals with two Ohmic contacts by varying the crystal thickness, applied voltage, temperature and lifetimes of charge carriers are presented. It is shown that a super-linear increase in the conductivity of Pt/CdTe/Pt detectors at larger voltages is caused by the space charge limited current, and the excess component over the linearly approximated current is virtually temperature independent. Due to such behavior of the excess current, cooling of the detector does not give the desired result. The calculations show that the effect of charge carrier recombination at the crystal surfaces can be ignored when V < 9-10 V, while trapping carriers in the crystal bulk for thick CdTe detectors can significantly degrade the charge collection efficiency. Thinning the crystal and lowering the applied voltage to maintain the same current value leads to considerable improving of the charge collection efficiency. In the case of the detector thickness of 0.25 mm, the collection efficiency is higher than 97-98% in the photon energy range of 10-1000 keV. The collection efficiency could exceed 99% if to perfect the crystal growth technology and thereby increase the charge carrier lifetime by one order of magnitude as compared to that in the currently used CdTe crystals (2-3 μs)
Instability of least squares, least absolute deviation and least median of squares linear regression, with a comment by Stephen Portnoy and Ivan Mizera and a rejoinder by the author

Say that a regression method is "unstable" at a data set if a small change in the data can cause a relatively large change in the fitted plane. A well-known example of this is the instability of least squares regression (LS) near (multi)collinear data sets. It is known that least absolute deviation (LAD) and least median of squares (LMS) linear regression can exhibit instability at data sets that are far from collinear. Clear-cut instability occurs at a "singularity"-a data set, arbitrarily small changes to which can substantially change the fit. For example, the collinear data sets are the singularities of LS. One way to measure the extent of instability of a regression method is to measure the size of its "singular set" (set of singularities). The dimension of the singular set is a tractable measure of its size that can be estimated without distributional assumptions or asymptotics. By applying a general theorem on the dimension of singular sets, we find that the singular sets of LAD and LMS are at least as large as that of LS and often much larger. Thus, prima facie, LAD and LMS are frequently unstable. This casts doubt on the trustworthiness of LAD and LMS as exploratory regression tools.
Synoptic-scale diagnosis of the extratropical transition of a southwest Pacific tropical cyclone

Abstract This is the first of two case studies on the transformation of tropical storms in the southwest Pacific. This study uses ECMWF analyses and observations to examine the behavior of Tropical Cyclone Patsy in December 1986 prior to and during its transit to midlatitudes. These analyses adequately depicted synoptic-scale features during the extratropical phase but underestimated the inner core of strong wind during the hurricane phase. Interactions with troughs in the subtropical westerlies provided the impetus for the major motion and structure changes during Patsy's life. During the hurricane phase, Patsy was steered by the flow above 400 hPa. The passage of a first trough to poleward led to disintegration of the characteristic tropical cyclone structure. Decay was due to shearing effects, loss of upper-level outflow, and the transient incorporation of cooler air. into the low-level circulation. A few days later, Patsy commenced moving rapidly south as a single center as ascent redeveloped in the p.
Dust distribution in spiral galaxies

A method for determining the dust distribution in edge-on, late Hubble type, spiral galaxies from their surface photometry is described. The method assumes that both the stars and the dust are distributed isothermally in the direction perpendicular to the galactic plane with scale heights z(s) and z(d) respectively, and exponentially in the radial direction with corresponding scale lengths h(s) and h(d). By comparing the observed surface photometry and the model calculations in which the radiative transfer is treated properly, z(s), z(d), h(s), and h(d) can be determined, as well as the optical depth along the line of sight and the central brightness. As a demonstration, the method is applied to NGC 891. The extension of the method to early-type spiral galaxies and to inclination angles less than 90 deg is described. 33 references.
Round-robin tournament scores

SUMMARY Some methods of scoring players in a round-robin tournament are proposed, based on a concept of fair allocation of rewards to each player. The scores are related to those determined by a previously suggested principle of 'consistency'. The scoring systems lead to the 7rr's of the Bradley-Terry model, and they have desirable ranking properties in the case of a general linear model. Various other properties of the scores are described.
A modified score test statistic having chi-squared distribution to order n−1

SUMMARY We give a general modified score test statistic whose nuil distribution is chi-squared to order n-1, where n is the sample size. The modified statistic depends on the joint cumulants of log likelihood derivatives for the full data. Some applications are discussed. Following Cox & Reid (1987a) we also derive a general formula for Bartlett-type corrections to improve test statistics whose null asymptotic distributions are chi-squared.
Mouvement brownien et espaces de besov

Let be a linear brownian motion. Traditionally, this brownian motion is considered as a process which belongs a.s. to the space of continuous functions defined on [01], vanishing at the origin and endowed with the topology of uniform convergence. Let now be the besov space of the functions defined on [01], . They are spaces of sequences and an important fact is therefore that these Besov spaces are isomorphic to suitable Banach spaces of numerical sequences. This property is particularly well adapted to the study of brownian motion considered as a process which belongs a.s. to the spaces In this article we illustrate this in the following situations:Z. Ciesielski fias shown recently [C3] that brownian motion belongs a.s. to the space There we characterize in this first paragraph the set indexes αp, qsuch that brownian motion belongs a.s. to The classical theory of large deviations gives the behaviour, as ,of where Γ is a Borel set of the uniform topology. In the second paragraph we show that if Γ are chose.
A weak component approach of subspace analysis

In the linear discriminative analysis, especially in the high dimension case, it is insufficient to project the data onto a one-dimensional subspace for the two-category classification problem. Therefor a weak component approach (WCA) was proposed to project patterns to a low dimensional subspace with rich number of classification features. The role of the weak component in pattern classification was discussed. And the abundance of discriminative information contained in weak components was explored. Firstly, a definition of the weak component was given. Secondly, an improved regularization method was proposed. The regularization is a biased estimate of the variance in the corresponding dimension of the training data and the population data. Then a construction method of the feature subspace based on weak component was given, which extracts the eigenvector of the scatter matrixes according to their discriminative information. Finally, the proposed approach was validated in the experiments by comparing it with LDA. A better classification accuracy of the presented method was achieved. As WCA extracts the dims on which the data distributes closer, it is applicable to the high-dimensional data which distributes elliptically.
A New Modeling Approach For DACs And SACs Regions In The Atmospheres Of Hot Emissions Stars

The presence of Discrete Absorption Components (DACs) or Satellite Absorption Components (SACs) is a very common phenomenon in the atmospheres of hot emission stars (Danezis et al. 2003, Lyratzi & Danezis 2004) and result to the complex line profiles of these stars. The shapes of these lines are interpreted by the existence of two or more independent layers of matter nearby a star. These structures are responsible for the formation of a series of satellite components for each spectral line. Here we will present a model reproducing the complex profile of the spectral lines of Oe and Be stars with DACs and SACs (Danezis et al. 2003, Lyratzi & Danezis 2004). In general, this model has a line function for the complex structure of the spectral lines with DACs or SACs and include a function L that considers the kinematic (geometry) of an independent region. In the calculation of the function L we have considered the rotational velocities of the independent regions, as well as the random velocities within them.
Flow Resistance and Mass Transfer in Slow Non-Newtonian Flow Through Multiparticle Systems

Finite difference solutions for a power-law fluid flow through an assemblage of solid particles at low Reynolds numbers are obtained using both the free-surface cell model and the zero-vorticity cell model. It is shown that, unlike in the case of power-law fluid flow past a single solid sphere, the flow drag decreases with decrease of flow behavior index, and that the degree of this reduction is more significant at low voidage. The results from this study are found to be in good agreement with the approximate solutions at slight pseudoplastic anomaly and the available experimental data. The results are presented in closed form and compare favorably with the variational bounds and the modified Blake-Kozeny equations. Numerical results show that a decrease in the flow behavior index leads to a slight increase in the mass transfer rate for an assemblage of solid spheres, but this increase is found to be small compared with that for a single solid sphere.
IN WESTERN ROMANIA, WHEAT YELLOW DWARF VIRUS BECOME A DISEASE PROBLEM CAUSED BY CHANGING CLIMATE

Winter wheat is most susceptible to yellow dwarfed virus and most damaged during its seedling stages and the beginning of stem elongation. Leaf discoloration in shades of yellow, red or purple from the tip down and from the margin to midrib is a typical symptom of BYDV attack. The experiment vas conducted during the year 2019-2020, in the experimental field of wheat breeding laboratory of the Agricultural Research and Development Station Lovrin, placed near the town Oradea, in the North-west of Romania. The autumn of year 2019 were unusually very worm and very humid too, prolonged until the middle of December, favourable the fly of aphides. With a single exception (the cultivar Biharia), all the genotypes that exceed the trial average of yield (Abundent, Bogdana, Otilia, Simnic 60 and F. 14.078 GP 1) had the BYDV average note from 3.2 to 3.6. The best varieties have either cultivar OTILIA or the breeding line Fundulea 14.078 GP 1 in their pedigree. Both of them derived from a triticale/wheat cross. The aphides prefer the grown juicy of leaves of belated genotypes (Bezostaya 1, Dacic, Adelina). The genotypes with good resistance to drought (Bogdana, Ursita, Abundent) are less preferred by aphides. The yield was negative affected by yellowing of leaves, purple leaf coloration and blacken ears of plants. The first simptoms are caused by autumn infection of plants with virions but purple leaf coloration is caused by the new fly of aphides during the earing period. Blacken ears of plants seems to be caused only by the purple leaf coloration. The date of earring correlate negatively with the virus symptoms (yellowing, purple leaf coloration and blacken ears). The genotypes which are earlier are more affected by BYDV.
Two-level factorial designs with extreme numbers of level changes

The construction of run orders of two-level factorial designs with extreme (minimum and maximum) numbers of level changes is considered. Minimizing the number of level changes is mainly due to economic considerations, while the problem of maximizing the number of level changes arises from some recent results on trend robust designs. The construction is based on the fact that the 2 k runs of a saturated regular fractional factorial design for 2 k -1 factors can be ordered in such a way that the numbers of level changes of the factors consist of each integer between 1 and 2 k -1. Among other results, we give a systematic method of constructing designs with minimum and maximum numbers of level changes among all designs of resolution at least three and among those of resolution at least four. It is also shown that among regular fractional factorial designs of resolution at least four, the number of level changes can be maximized and minimized by different run orders of the same fraction.
Development of Arabic language learning curriculum during the COVID-19 pandemic

The purpose of this study is to find out and analyze the curriculum that is suitable for Arabic language learning during the COVID-19 pandemic. This research is literature review research because the purpose of this study is to produce a design for the development of an Arabic curriculum during the Covid-19 pandemic based on the results of previous research. The results showed that there are 4 basics in the development of the Arabic language learning curriculum during the pandemic; 1) The compilation of learning objectives must be adapted to the circumstances of the learners and socialized to parents to work together to achieve these goals, 2) The content or content of the material is designed in such a way as to reach the students direct to higher level thinking skills, 3) During the learning process the teacher is required to be as creative as possible to guide the learning of the