Miracle-dz/UniFAR-FTUs huggingface dataset:
Sensitivity of quantum walks to a boundary of two-dimensional lattices: approaches based on the CGMV method and topological phases

In this paper, we treat quantum walks in a two-dimensional lattice with cutting edges along a straight boundary introduced by Asboth and Edge (2015 Phys. Rev. A 91 022324) in order to study one-dimensional edge states originating from topological phases of matter and to obtain collateral evidence of how a quantum walker reacts to the boundary. Firstly, we connect this model to the CMV matrix, which provides a 5-term recursion relation of the Laurent polynomial associated with spectral measure on the unit circle. Secondly, we explicitly derive the spectra of bulk and edge states of the quantum walk with the boundary using spectral analysis of the CMV matrix. Thirdly, while topological numbers of the model studied so far are well-defined only when gaps in the bulk spectrum exist, we find a new topological number defined only when there are no gaps in the bulk spectrum. We confirm that the existence of the spectrum for edge states derived from the CMV matrix is consistent with the prediction from a bulk-edge correspondence using topological numbers calculated in the cases where gaps in the bulk spectrum do or do not exist. Finally, we show how the edge states contribute to the asymptotic behavior of the quantum walk through limit theorems of the finding probability. Conversely, we also propose a differential equation using this limit distribution whose solution is the underlying edge state.
Counter-dispersed slitless-spectroscopy technique: planetary nebula velocities in the halo of NGC 1399

Aims. Using a counter-dispersed slitless spectroscopy technique, we detect and measure the line-of-sight velocities of 187 planetary nebulae (PNe) around one of the nearest cD galaxies, NGC 1399, with FORS1 on the VLT. Methods. We describe the method for identifying and classifying the emission-line sources and the procedure for computing their J2000 coordinates and velocities. The number of PN detections and the errors in the velocity measurements (37 km s −1 ) indicate that this technique is comparable to other methods. Results. We present the spatial distribution of the PNe and a basic analysis of their velocities. The PN two-dimensional velocity field shows marginal rotation consistent with other studies. We also find a low-velocity substructure in the halo and a flatter velocity-dispersion profile compared to previous observations that extends to ∼400 �� . The detection of a low-velocity subcomponent underscores the importance of discrete velocity tracers for the detection of un-mixed components. Conclusions. The new velocity-dispersion profile is in good agreement with revised velocity dispersions for the red globular clusters in NGC 1399. The outer parts of this profile are consistent with one of the dynamical models, which corresponds to a circular velocity of � 340 kms −1 and a rescaled B-band mass-to-light ratio of � 20 at 7 � radius. These measurements trace the kinematics of the outer halo and disentangle the heterogenous populations in the Fornax Cluster core. The new data set the stage for a revised dynamical model of the outer halo of NGC 1399.
The 2-Hilbert Space of a Prequantum Bundle Gerbe

We construct a prequantum 2-Hilbert space for any line bundle gerbe whose Dixmier-Douady class is torsion. Analogously to usual prequantisation, this 2-Hilbert space has the category of sections of the line bundle gerbe as its underlying 2-vector space. These sections are obtained as certain morphism categories in Waldorf's version of the 2-category of line bundle gerbes. We show that these morphism categories carry a monoidal structure under which they are semisimple and abelian. We introduce a dual functor on the sections, which yields a closed structure on the morphisms between bundle gerbes and turns the category of sections into a 2-Hilbert space. We discuss how these 2-Hilbert spaces fit various expectations from higher prequantisation. We then extend the transgression functor to the full 2-category of bundle gerbes and demonstrate its compatibility with the additional structures introduced. We discuss various aspects of Kostant-Souriau prequantisation in this setting, including its dimensional reduction to ordinary prequantisation.
Constraints on electroweak effective operators at one loop

We derive bounds on nine dimension-six operators involving electroweak gauge bosons and the Higgs boson from precision electroweak data. Four of these operators contribute at tree level, and five contribute only at one loop. Using the full power of effective field theory, we show that the bounds on the five loop-level operators are much weaker than previously claimed, and thus much weaker than bounds from tree-level processes at high-energy colliders. © 2013 American Physical Society.
Keeping it real: revisiting a real-space approach to running ensembles of cosmological N-body simulations

In setting up initial conditions for ensembles of cosmological N-body simulations there are, fundamentally, two choices: either maximizing the correspondence of the initial density field to the assumed fourier-space clustering or, instead, matching to real-space statistics and allowing the DC mode (i.e. overdensity) to vary from box to box as it would in the real universe. As a stringent test of both approaches, I perform ensembles of simulations using power law and a ``powerlaw times a bump'' model inspired by baryon acoustic oscillations (BAO), exploiting the self-similarity of these initial conditions to quantify the accuracy of the matter-matter two-point correlation results. The real-space method, which was originally proposed by Pen 1997 [1] and implemented by Sirko 2005 [2], performed well in producing the expected self-similar behavior and corroborated the non-linear evolution of the BAO feature observed in conventional simulations, even in the strongly-clustered regime (σ8≳1). In revisiting the real-space method championed by [2], it was also noticed that this earlier study overlooked an important integral constraint correction to the correlation function in results from the conventional approach that can be important in ΛCDM simulations with Lbox≲1 h−1Gpc and on scales r≳Lbox/10. Rectifying this issue shows that the fourier space and real space methods are about equally accurate and efficient for modeling the evolution and growth of the correlation function, contrary to previous claims. An appendix provides a useful independent-of-epoch analytic formula for estimating the importance of the integral constraint bias on correlation function measurements in ΛCDM simulations.
Use of Biodentine in the resolution of a failure in paraendodontic surgery

To present a clinical case report of successful endodontic retreatment, in a maxillary first molar, with symptomatic apical periodontitis in the mesiobuccal root that had already undergone endodontic treatment and paraendodontic surgery. A patient was referred for evaluation of upper right first molar with swelling, severe pain and sensitivity to percussion and palpation. She reported having undergone endodontic treatment 1 year ago and, 6 months later, when the symptoms returned, a paraendodontic surgery was performed by the same professional. A cone-beam computed tomography (CBCT) was requested and the images showed extensive bone rarefaction associated with the mesiobuccal root, which had the MB1 canal treated and the MB2 canal untreated. The periapical region of the apices of the distobuccal and palatine roots showed signs of normality, and the treatment plan was established with selective endodontic retreatment only in the mesiobuccal root, with the location and treatment of the MB2 canal and retreatment of the MB1 canal. Retreatment was performed in 2 sessions with an intracanal dressing with calcium hydroxide paste. The canals were filled with Biodentine (BD, Septodont, Saint Maur de Fossés, France). Clinically, the patient had no further signs or symptoms and tomographic images showed evidence of bone repair after 24 months. Correct planning and execution of all phases of endodontic retreatment were fundamental for the success of this case report.
Skeletal discrepancies in patients with skeletal class 2 malocclusion treated at a private dental hospital - an OP report

Aim: The purpose of this study was to determine whether patients with class 2 skeletal malocclusion in a private dental hospital had skeletal discrepancies.Materials and methods: This was a descriptive, retrospective study, and the dental information archiving software was used to collect all the data from the patients who attended the dental clinics at Saveetha Dental College, SIMATS, Chennai, India (DIAS). March 2020 through March 2021 saw the collection of patient records. We gathered and tabulated the data. The gathered data underwent additional processing, was entered into Microsoft Excel, and then went through statistical analysis using IBM SPSS statistics analyzer v.23. 0.Results: The current study used a total sample size of 88950 patients. Skeletal class 2 malocclusion was seen in 0.01 percent of cases overall. The data in this study was examined for the occurrence of different skeletal inconsistencies. Results were satisfactory and showed that there were skeletal differences. A gender bias was evident, with 50.4 percent of the sample population being female. Mandibular deficit was the most frequent skeletal discrepancy, and class 2 div 1 dental malocclusion was most frequently detected.Conclusion: Mandibular deficit was shown to be the most common skeletal discrepancy within the constraints of the current investigation, and a substantial correlation between the skeletal discrepancies and the gender of the study group was found.
Development of a simple quantitative test for lack of field emission orthodoxy

The orthodox emission hypothesis is a set of physical and mathematical assumptions that permit well-specified analysis of measured current–voltage data relating to field electron emission (FE). If these assumptions are not adequately satisfied, then widely used FE data-analysis methods can generate spurious values for emitter characterization parameters, particularly field enhancement factors (FEFs). This paper describes development of a simple quantitative test for whether FE data are incompatible with the hypothesis. It applies to any geometrical emitter shape and any Fowler–Nordheim (FN) plot type, and involves extracting the related range of scaled-barrier-field values (f values). By analysing historical data, this paper identifies ‘apparently reasonable’ and ‘clearly unreasonable’ experimental ranges for f. The historical data, taken between 1926 and 1972, are internally self-consistent. This test is then applied to 19 post-1975 datasets, mainly for various carbon and semiconductor nanostructures. Some extracted f-value ranges (including many carbon results) are apparently reasonable, some are clearly unreasonable. It is shown that if extracted f values are ‘unreasonably high’, then FEF values extracted by literature methods are spuriously large. New materials and published FN plots that generate particularly high FEF values require testing, and improved data-analysis theory is needed for non-orthodox emitters. A spreadsheet for implementing the test is provided.
The effects of plant extracts on lipid metabolism of chickens — A review

The fat deposition is an important factor affecting chicken meat quality, which is closely related to lipid metabolism of chickens. Therefore, it is important to regulate the lipid metabolism of chickens to improve the chicken meat quality. Plant extracts have special regulatory effects on animal’s growth and health and have been widely used in chicken breeding. Some plant extracts have been reported to have functions of changing the fatty acid composition, reducing abdominal fat percentage, and enhancing the intramuscular fat content of chickens by improving the antioxidant capacity, regulating the expression of genes, enzymes, and signaling pathways related to lipid metabolism, modulating intestinal microbiota, affecting hormones level, and regulating DNA methylation. This paper reviewed the application and mechanism of plant extracts on regulating lipid metabolism of chickens to provide a reference for the further application of plant extracts in chicken breeding.
Generic Ising trees

The Ising model on a class of infinite random trees is defined as a thermodynamic limit of finite systems. A detailed description of the corresponding distribution of infinite spin configurations is given. As an application, we study the magnetization properties of such systems and prove that they exhibit no spontaneous magnetization. Furthermore, the values of the Hausdorff and spectral dimensions of the underlying trees are calculated and found to be, respectively, and .
Physics as quantum information processing: Quantum fields as quantum automata

Can we reduce Quantum Field Theory (QFT) to a quantum computation? Can physics be simulated by a quantum computer? Do we believe that a quantum field is ultimately made of a numerable set of quantum systems that are unitarily interacting? A positive answer to these questions corresponds to substituting QFT with a theory of quantum cellular automata (QCA), and the present work is examining this hypothesis. These investigations are part of a large research program on a quantum-digitalization of physics, with Quantum Theory as a special theory of information, and Physics as emergent from the same quantum-information processing. A QCA-based QFT has tremendous potential advantages compared to QFT, being quantum ab-initio and free from the problems plaguing QFT due to the continuum hypothesis. Here I will show how dynamics emerges from the quantum processing, how the QCA can reproduce the Dirac-field phenomenology at large scales, and the kind of departures from QFT that that should be expected at a Planckscale.
The Effects of Nintendo Wii Fit on Postural Balance Control Training in the Geriatric Population: A Review

Elderly populations who engage in consistent, moderate-intensity exercise are more physically active and have better health than elders who have a sedentary lifestyle. Ageing causes the quality and number of muscle fibres to decline, leaving them with less endurance and ability to effectively work in synchronization and less strength and stamina to support weight or keep a sound body system. Medical practitioners often use the word "balance" across many therapeutic disciplines. Balance is commonly used in conjunction with other ideas like stability and postural control. The capacity of the physiological systems to keep the centre of mass within the base of support during static and dynamic postures and to govern physical alignment in an upright position is known as "balance. " Impaired balance has a wide range of effects that can harm physical functionality. Falls in the elderly can result in hip fractures and significant morbidity and mortality. Balance dysfunction is one of the primary reasons behind decreased mobility and postural control in the elderly. It mainly affects the ability to walk and to maintain balance control in everyday life. Virtual reality (VR) can be defined as an interaction model between humans and computers that allows conventional computer-based training. It is a novel and expanding technology combining various characteristics like interactivity, independence, and rehabilitation training. These technologies replicate a seemingly natural environment. A fun and engaging aspect of VR technology is the Wii Fit games. These are enjoyable versions of the fundamental exercise and are widely used. A physiotherapy intervention programme can be structured using Wii Fit games to perform balance exercises. These games are widely used for balance training in the geriatric population.
HUBBLE TARANTULA TREASURY PROJECT. III. PHOTOMETRIC CATALOG AND RESULTING CONSTRAINTS ON THE PROGRESSION OF STAR FORMATION IN THE 30 DORADUS REGION

We present and describe the astro-photometric catalog of more than 800,000 sources found in the Hubble Tarantula Treasury Project (HTTP). HTTP is a Hubble Space Telescope Treasury program designed to image the entire 30 Doradus region down to the sub-solar (∼0.5 M⊙) mass regime using the Wide Field Camera 3 and the Advanced Camera for Surveys. We observed 30 Doradus in the near-ultraviolet (F275W, F336W), optical (F555W, F658N, F775W), and near-infrared (F110W, F160W) wavelengths. The stellar photometry was measured using point-spread function fitting across all bands simultaneously. The relative astrometric accuracy of the catalog is 0.4 mas. The astro-photometric catalog, results from artificial star experiments, and the mosaics for all the filters are available for download. Color–magnitude diagrams are presented showing the spatial distributions and ages of stars within 30 Dor as well as in the surrounding fields. HTTP provides the first rich and statistically significant sample of intermediate- and low-mass pre-main sequence candidates and allows us to trace how star formation has been developing through the region. The depth and high spatial resolution of our analysis highlight the dual role of stellar feedback in quenching and triggering star formation on the giant H ii region scale. Our results are consistent with stellar sub-clustering in a partially filled gaseous nebula that is offset toward our side of the Large Magellanic Cloud.
Love Is Not a Panacea: Moderating Role of Followers’ Attachment Dimensions on the Effectiveness of Agape-Based Leadership

Love (in the agape form) forms the foundation of most leadership concepts and has been ignored in research. We respond to the debate on universal applicability of leadership forms by bringing followers into the spotlight through our examination of the interactive influence of loving (agape-based) and non-loving (non-agape-based) leadership styles and followers’ attachment dimensions (self-model and other-model) on follower outcomes. Two hundred and eighty-two business management students worked in teams on a task under the direction of leaders who demonstrated agape-based behaviours and leaders who demonstrated non-agape-based behaviours in a laboratory experiment. Agape-based leadership was positively related with follower satisfaction with the leader, team commitment and perception of leaders’ effectiveness. Further, followers’ attachment dimensions (self- and other-model) moderated the relationship between agape-based leadership and follower work attitudes, such that the relationship was positive for followers with a negative self-model and for followers with a positive other-model, and the relationship was negative for followers with a negative other-model. We provide a practical set of tools for demonstrating agape leadership behaviours which are useful for educators and organizations. We suggest that leaders must alter their leadership style depending on their followers’ attachment dimensions.
EFFECT OF TREE DENSITY ON SOIL WATER USE EFFICIENCY IN AGROFORESTRY SYSTEM

Sapflow of individual trees of red alder (Alnus rubra) was measured at two stem densities over three blocks in a silvopastoral agroforestry experiment at Bangor, UK in 1998 where trees were planted at densities of 400 stems/ha (agroforestry) and 2500 stems/ha (forestry control). Sapflow rate was measured using the Thermal Dissipation Probe (TDP) in two trees in each treatment. Tree sapflow were related to the stand density (stems/ha). Planting density was found to modify individual tree sapflow. During the experiment, mean sapflow per tree was found to be lower at high tree densities being 0.29 dm-2 h-1 compared to 0.44 dm -2 h-1 at low densities and the difference was highly significant (p = 0.001). The higher sapflow in agroforestry was related to a high rate of crown transpiration caused by greater canopy exposure.
A census of orbital properties of the M31 satellites

We present an analysis of the dynamics of the M31 satellite system. Proper motion data exist for only two of the M31 satellites. We account for this incompleteness in velocity data by a statistical analysis using a combination of the timing argument and phase-space distribution functions. The bulk of the M31 satellites are well fit by these models and we offer a table of orbital properties, including period, eccentricity and semi-major axis. This enables us to search for evidence of group infall based on orbital similarity rather than propinquity on the sky. Our results favour an association between Cass II and NGC 185, as the orbital parameters are in close agreement, but not for NGC 185 and NGC 147, which have often been associated in the past. Other possible satellite groupings include the pair And I and And XVII; the pair And IX and And X; and the triple And V, And XXV and NGC 147. And XXII has been claimed as a satellite of M33; we find that they are not moving independently along the same orbit, but cannot determine whether they are orbiting each other or are unrelated. Two satellites, And XII and And XIV, have high line-of-sight velocities, consistent with very recent infall from the edge of the Local Group. They are not well described by our underlying smooth phase space distribution function, and are reanalysed without priors on their orbital parameters. For And XIV, multiple pericentric passages are possible and improved distance information is needed to draw further conclusions. For And XII, orbits which assume at least one pericentric passage can be ruled out and it must be on its first infall into the M31 system.
Periodic orbit theory revisited in the anisotropic Kepler problem

o (φ) from both quantum subsectors show peaks at the actions of the periodic orbits with correct peak heights and widths corresponding to their Lyapunov expo- nents. The formulation takes care of the cut-off of the energy levels, and the agreement between the D(φ)s of the quantum mechanical (QM) and POT sides is observed to be independent of the choice of cut-off. The systematics appearing in the densities of the periodic orbits is explained in terms of features of the periodic orbits. It is shown that, from quantum energy levels, one can extract information on AKP periodic orbits, even the Lyapunov exponents—the success of inverse quantum chaology in AKP.
Pengaruh Likuiditas, Solvabilitas dan Ukuran Perusahaan terhadap Kinerja Keuangan pada Perusahaan Property dan Real Estate yang terdaftar di Bursa Efek Indonesia Tahun 2016-2020

Penelitian ini bertujuan untuk mengetahui pengaruh Likuiditas, Solvabilitas dan Ukuran Perusahaan Terhadap Kinerja Keuangan secara simultan dan parsial, pada perusahaan sektor Properti, Real Estate dan Konstruksi Bangunan yang terdaftar di Bursa Efek Indonesia periode 2016-2020. Pengambilan sampel menggunakan metode purposive sampling. Sampel penelitian terdiri dari 44 perusahaan dengan periode 5 tahun yaitu tahun 2014-2018. Data laporan keuangan diperoleh dari Bursa Efek Indonesia, web perusahaan dan IDN Financial. Metode penelitian yang digunakan adalah penelitian asosiatif dengan data sekunder. Analisis yang digunakan dalam penelitian ini meliputi uji data panel, uji asumsi klasik, analisis regresi linier berganda, koefisien determinasi, uji f, uji t. Hasil penelitian menunjukkan bahwa Likuiditas, Solvabilitas dan Ukuran Perusahaan terhadap Kinerja Keuangan. Hasil Uji F menunjukkan bahwa Likuiditas, Solvabilitas dan Ukuran Perusahaan berpengaruh signifikan terhadap Kinerja Keuangan sedangkan hasil uji t menunjukkan Likuiditas, Solvabilitas dan Ukuran Perusahaan berpengaruh signifikan terhadap Kinerja Keuangan