Miracle-dz/UniFAR-FTUs huggingface dataset:
Bubble growth and detachment process in surfactant solutions: a study of 90% pure sodium dodecyl sulfate

Abstract We have investigated the effect of the surfactant Sodium Dodecyl Sulfate on the bubble growth and detachment processes in a bubble column system. A modified pendant drop model was employed to determine the dynamic surface tension. The dynamic surface tension approached the static surface tension value within a few seconds. A photographic technique and a laser-based electro-optical method were used to study the bubble size variation and the generation frequency, respectively. Parameters like bubble generation frequency, size, growth rate, and contact angle were found to be a strong function of surfactant concentration. Our results show that the addition of surfactant significantly reduces the bubble lifetime at the orifice. Such a decrease in the bubble lifetime has a direct impact on the bubble growth rate and departure size. Furthermore, bubble parameters vary with surfactant concentration only up to the critical micellar concentration.
A uniform construction of smooth integral models and a recipe for computing local densities

In this paper, we explain a simple and uniform construction of a smooth integral model associated to a quadratic, (anti)-hermitian, and (anti)-quaternionic hermitian lattice defined over an arbitrary local field. As one major application, we explain a recipe for computing local densities case by case, which is an essential factor in the classification of forms as above over the ring of integers of a number field, by introducing one conjecture about the number of rational points of the special fiber of a smooth integral model.
Reward Uncertainty and Expected Value Enhance Generalization of Episodic Memory

Previous research has revealed some mechanisms underlying the generalization of reward expectation of generalization stimuli, but little is known about the generalization of episodic memory for rewarding events, its consolidation, and how reward components such as expected value and reward uncertainty affect it. Participants underwent a Pavlovian reward-conditioning task to test whether reward conditioning would enhance episodic memory generalization and which reward components would directly affect it. Counterbalanced across participants, one semantic category was paired with a reward, while the other was never paired. Following a delay of either 5 min or 24 h, participants took a memory test consisting of old, highly similar, and new items. We found that participants were more likely to falsely recognize lure items as old in the reward-paired category after 5 min and 24 h delays. These results indicate that reward conditioning enhanced the generalization of episodic memory, but this effect was not necessarily dependent on consolidation. The composite score and raw data of generalization further showed that the uncertainty and expected value enhanced generalization. Together, these findings revealed an effect of reward conditioning on episodic memory generalization and supported the enhancement effects of expected value and uncertainty.
Resource theories of knowledge

How far can we take the resource theoretic approach to explore physics? Resource theories like LOCC, reference frames and quantum thermodynamics have proven a powerful tool to study how agents who are subject to certain constraints can act on physical systems. This approach has advanced our understanding of fundamental physical principles, such as the second law of thermodynamics, and provided operational measures to quantify resources such as entanglement or information content. In this work, we significantly extend the approach and range of applicability of resource theories. Firstly we generalize the notion of resource theories to include any description or knowledge that agents may have of a physical state, beyond the density operator formalism. We show how to relate theories that differ in the language used to describe resources, like micro and macroscopic thermodynamics. Finally, we take a top-down approach to locality, in which a subsystem structure is derived from a global theory rather than assumed. The extended framework introduced here enables us to formalize new tasks in the language of resource theories, ranging from tomography, cryptography, thermodynamics and foundational questions, both within and beyond quantum theory.
Perturbations of dark solitons

A direct perturbation method for approximating dark soliton solutions of the nonlinear Schrödinger (NLS) equation under the influence of perturbations is presented. The problem is broken into an inner region, where the core of the soliton resides, and an outer region, which evolves independently of the soliton. It is shown that a shelf develops around the soliton that propagates with speed determined by the background intensity. Integral relations obtained from the conservation laws of the NLS equation are used to determine the properties of the shelf. The analysis is developed for both constant and slowly evolving backgrounds. A number of problems are investigated, including linear and nonlinear damping type perturbations.
Grammatical Error Analysis in Recount Texts Made By Seventh Grade

Abstract - The objective of this study is to know the most dominant grammatical error made by the seventh-grade students of SMP Trisula Perwari 2 in writing recount text and the reason for the errors. The writer used Betty Azar’s types of error theory and Richards’ sources of error theory. The method used in this study was a descriptive analysis method to describe students’ errors and analyze the data. The research findings show that add a word error holds the first position in the most dominant errors made by the seventh-grade students of SMP Trisula Perwari 2 with 154 errors or 20% followed by other types of error with the total error of verb tense is 114 errors or 15% and spelling is 93 errors or 12%. In addition, the writer found that the students’ errors caused by interlingual transfer and intralingual transfer. The most frequent source of errors affecting the students in making recount text is intralingual transfer with a total of 437 errors (57%), which is followed by interlingual transfer in the second position with a total of 328 errors (43%). Key Words: Error Analysis, Writing, Recount Text.Abstrak - Tujuan dari penelitian ini adalah untuk mengetahui jenis kesalahan yang paling dominan dibuat oleh siswa kelas tujuh SMP Trisula Perwari 2 dalam menulis teks recount dan sebab dari kesalahan-kesalahan tersebut. Penulis menggunakan teori jenis kesalahan milik Betty Azar dan teori sumber kesalahan milik Richards. Metode yang digunakan dalam penelitian ini adalah metode analisis deskriptif untuk menjelaskan kesalahan siswa dan menganalisis data. Hasil penelitian menunjukkan bahwa jenis kesalahan add a word berada di posisi pertama dalam jenis kesalahan paling dominan yang dilakukan oleh siswa kelas tujuh SMP Trisula Perwari 2 dengan 154 kesalahan atau 20% diikuti oleh jenis kesalahan lainnya dengan total kesalahan verb tense adalah 114 kesalahan atau 15% dan spelling adalah 93 kesalahan atau 12%. Selain itu, penulis menemukan bahwa kesalahan siswa disebabkan oleh interlingual transfer dan intralingual transfer. Sumber kesalahan yang paling sering mempengaruhi siswa dalam membuat teks recount adalah intralingual transfer dengan total 437 kesalahan (57%) yang diikuti oleh interlingual transfer di posisi kedua dengan total 328 kesalahan (43%). Kata Kunci : Analisis Kesalahan, Menulis, Teks Recount
On Double Schubert and Grothendieck polynomials for Classical Groups

We give an algebra-combinatorial constructions of (noncommutative) generating functions of double Schubert and double $\beta$-Grothendieck polynomials corresponding to the full flag varieties associated to the Lie groups of classical types $A,B, C$ and $D$. Our approach is based on the decomposition of certain `` transfer matrices `` corresponding to the exponential solution to the quantum Yang--Baxter equations associated with either NiCoxeter or IdCoxeter algebras of classical types. The "triple"~$\beta$-Grothendieck polynomials ${\mathfrak{G}}_{w}^{W}(X,Y,Z)$ we have introduced, satisfy, among other things, the coherency and (generalized) vanishing conditions. Their generating function has a nice factorization in the algebra $Id_{\beta}Coxeter(W)$, and as a consequence, the polynomials ${\mathfrak{G}}_{w}^{W}(X,Y,Z)$ admit a combinatorial description in terms of $W$-type pipe dreams.
Eigenvectors under a generic perturbation: Non-perturbative results from the random matrix approach

We consider eigenvectors of the Hamiltonian H0 perturbed by a generic perturbation V modelled by a random matrix from the Gaussian Unitary Ensemble (GUE). Using the supersymmetry approach we derive analytical results for the statistics of the eigenvectors, which are non-perturbative in V and valid for an arbitrary deterministic H0. Further we generalise them to the case of a random H0, focusing, in particular, on the Rosenzweig-Porter model. Our analytical predictions are confirmed by numerical simulations.
A good universal weight for multiple recurrence averages with commuting transformations in norm

We will show that the sequences appearing in Bourgain's double recurrence result are good universal weights to the multiple recurrence averages with commuting measure-preserving transformations in norm. This will extend the pointwise converge result of Bourgain, the norm convergence result of Tao, and the authors' previous work on the single measure-preserving transformation. The proof will use the double-recurrence Wiener-Wintner theorem, factor decompositions (Host-Kra-Ziegler factors), nilsequences, and various seminorms including the ones by Gowers-Host-Kra as well as the box seminorms introduced by Host.
On The Drift Paradox in a Regime-Switching Model

This note is motivated by the article by F. Lutscher, E. Pachepsky, and M. Lewis (2005), The Effect of Dispersal Patterns on Stream Populations SIAM Rev. Vol. 47 No. 4 pp. 749-772 on the drift paradox. We consider the case of a regime switching probabilistic model for a population of organisms living in a one dimensional environment with drift towards an absorbing boundary of the type introduced by Lutscher et al. (2005). In particular, the two regimes consist of birth/death style demographics governing the evolution of the immobile regime, and some form of advection-dispersion governing the evolution of the mobile regime, together with a regime-switching mechanism linking the two. In the present note it is shown for the regime-switching model, and in contrast to the results in the afore cited work, for any finite advection speed, no matter how large, there is a finite critical length of the domain above which the population can persist.
Illumination of convex bodies with many symmetries

Let n ≥ C for a large universal constant C > 0, and let B be a convex body in R n such that for any (x1, x2, . . . , xn) ∈ B, any choice of signs ε1, ε2, . , εn ∈ {−1, 1} and for any permutation σ on n elements we have (ε1xσ(1), ε2xσ(2), . , εnxσ(n)) ∈ B. We show that if B is not a cube then B can be illuminated by strictly less than 2n sources of light. This confirms the Hadwiger–Gohberg–Markus illumination conjecture for unit balls of 1-symmetric norms in Rn for all sufficiently large n. MCS (2010): 52A20, 52C17 (primary).
On the Lukacs property for free random variables

The Lukacs property of the free Poisson distribution is studied here. We prove that if free $\X$ and $\Y$ are free Poisson distributed with suitable parameters, then $\X+\Y$ and $\left(\X+\Y\right)^{-\frac{1}{2}}\X\left(\X+\Y\right)^{-\frac{1}{2}}$ are free. As as an auxiliary result we give joint cumulants of $\X$ and $\X^{-1}$ for free Poisson distributed $\X$. We also study the Lukacs property of the free gamma distribution.
Asymptotic analyses and error estimates for a Cahn-Hilliard type phase field system modelling tumor growth

This paper is concerned with a phase field system of Cahn-Hilliard type that is related to a tumor growth model and consists of three equations in terms of the variables order parameter, chemical potential and nutrient concentration. This system has been investigated in the recent contributions arXiv:1401.5943 [math.AP] and arXiv:1501.07057 [math.AP] from the viewpoint of well-posedness, long time behavior and asymptotic convergence as two positive viscosity coefficients tend to zero at the same time. Here, we continue the analysis performed in arXiv:1501.07057 [math.AP] by showing two independent sets of results as just one of the coefficients tends to zero, the other remaining fixed. We prove convergence results, uniqueness of solutions to the two resulting limit problems, and suitable error estimates.
Modified Efficiency Estimation Tool for Three-Phase Induction Motors

This article presents a modified version of novel algorithms the authors previously proposed to help North America electric motor service centers to evaluate their repaired, rewound, or any existing motors for efficiency. Due to the dependency of the algorithms on a large 60 Hz induction motor database to produce reliable and accurate results, a software was needed and developed to incorporate both the algorithms and the data to create a useful single affordable tool for the North America electric motor repair industry. To eliminate the need for the software, and allow an open-source implementation, the direct dependency of the efficiency algorithms on the motor test data are eliminated in this paper. This allows the two techniques presented here to be used directly by engineers in the motor repair industry in North America. To achieve this goal, modifications to the two original algorithms are required and proposed in this paper. The modifications include the implementation of a new stray-load loss formula and the IEEE Std 112 hot temperature formula. The modified algorithms are validated by testing 28 new and aged, small- and medium-sized induction motors in the range of 1-500 hp. The modified techniques demonstrate a high level of accuracy.
The sup-norm problem for GL(2) over number fields

We solve the sup-norm problem for spherical Hecke-Maass newforms of square-free level for the group GL(2) over a number field, with a power saving over the local geometric bound simultaneously in the eigenvalue and the level aspect. Our bounds feature a Weyl-type exponent in the level aspect, they reproduce or improve upon all known special cases, and over totally real fields they are as strong as the best known hybrid result over the rationals.
Algebraic non-integrability of magnetic billiards

We consider billiard ball motion in a convex domain of the Euclidean plane bounded by a piece-wise smooth curve under the action of a constant magnetic field. We show that if there exists a first integral polynomial in the velocities of the magnetic billiard flow, then every smooth piece γ of the boundary must be algebraic, and either is a circle or satisfies very strong restrictions. In particular, it follows that any non-circular magnetic Birkhoff billiard is not algebraically integrable for all but finitely many values of the magnitude of the magnetic field. Moreover, a magnetic billiard in ellipse is not algebraically integrable for all values of the magnitude of the magnetic field. We conjecture that the circle is the only integrable magnetic billiard, not only in the algebraic sense, but also for a broader meaning of integrability. We also introduce what we call outer magnetic billiards. As an application of our method, we prove analogous results on algebraically integrable outer magnetic billiards.
Expected number of nodal components for cut‐off fractional Gaussian fields

Let (X,g) be a closed Riemannian manifold of dimension n>0 . Let Δ be the Laplacian on X , and let (ek)k be an L2 ‐orthonormal and dense family of Laplace eigenfunctions with respective eigenvalues (λk)k . We assume that (λk)k is non‐decreasing and that the ek are real valued. Let (ξk)k be a sequence of independent and identically distributed N(0,1) random variables. For each L>0 and s∈R , possibly negative, set fLs=∑0
Optimization of Nitrogen Ion Implantation Condition for β-Ga2O3 Vertical MOSFETs via Process and Device Simulation

In this work, nitrogen implantation conditions for a vertical <inline-formula> <tex-math notation="LaTeX">$\beta $ </tex-math></inline-formula>-Ga2O3 MOSFET with a planar gate have been optimized to maximize the power figure of merit (PFOM) by performing extensive 2-D process and device technology computer-aided design (TCAD) simulations. The nitrogen implantation process conditions are optimized as the implantation energy of 300 keV and the maximum concentration of <inline-formula> <tex-math notation="LaTeX">${1.1} \times {10}^{{19}}$ </tex-math></inline-formula> cm<inline-formula> <tex-math notation="LaTeX">$^{-{3}}$ </tex-math></inline-formula>. With the optimized conditions, the device realizes the enhancement-mode (E-mode) operation with the threshold voltage of 3.84 V. The PFOM is optimized as 88.7 MW/cm2 with the ON-resistance of 43.8 <inline-formula> <tex-math notation="LaTeX">$\text{m}\Omega $ </tex-math></inline-formula>/cm2 and the breakdown voltage of 1963 V.
The Determinants of Real Activity Manipulation

This study aims to analyze the factors that influence real activity manipulation in corporations listed on the Indonesia Stock Exchange (IDX) during the 2016-2020 research period. A quantitative research method is designed in this research that collects secondary data from a company’s annual report. The sample used in this research is 25 manufacturing corporations with the number of corporations observed for 5 years as many as 125 manufacturing companies. The analytical method utilized in this research is the panel data regression method that selects one of the three best models to analyze data, and the best analytical model result is the Fixed Effect Model (FEM) approach. The results show that institutional ownership, free cash flow, and voluntary disclosure effect negatively on real activity manipulation in corporations listed on the IDX. The limitation of this research is only using the samples from manufacturing corporations so that it cannot generalize the results to all types of companies and the research period of only 5 years narrows the number of companies observed.
Lipschitz continuous dependence of piecewise constant Lamé coefficients from boundary data: the case of non-flat interfaces

We consider the inverse problem of determining the Lamé moduli for a piecewise constant elasticity tensor C = ∑ j C j &khgr; D j ? > , where { D j } ? > is a known finite partition of the body Ω, from the Dirichlet-to-Neumann map. We prove that Lipschitz stability estimates can be derived under C 1 , &agr; ? > regularity assumptions on the interfaces.
Androgen Signaling in Uterine Diseases: New Insights and New Targets

Common uterine diseases include endometriosis, uterine fibroids, endometrial polyps, endometrial hyperplasia, endometrial cancer, and endometrial dysfunction causing infertility. Patients with uterine diseases often suffer from abdominal pain, menorrhagia, infertility and other symptoms, which seriously impair their health and disturb their lives. Androgens play important roles in the normal physiological functions of the uterus and pathological progress of uterine diseases. Androgens in women are synthesized in the ovaries and adrenal glands. The action of androgens in the uterus is mainly mediated by its ligand androgen receptor (AR) that regulates transcription of the target genes. However, much less is known about the signaling pathways through which androgen functions in uterine diseases, and contradictory findings have been reported. This review summarizes and discusses the progress of research on androgens and the involvement of AR in uterine diseases. Future studies should focus on developing new therapeutic strategies that precisely target specific AR and their related signaling pathways in uterine diseases.
Human–robot interactions in the restaurant setting: the role of social cognition, psychological ownership and anthropomorphism

Purpose The usage of robot waiters in the hospitality industry is growing, thus increasing the number of human–robot interactions in frontline services. Focusing on robot waiters in restaurants, this study aims to propose the social cognition (SC)–psychological ownership (PO)–customer responses (CR) model, while examining the association between SC, PO, robot anthropomorphism and CR. Design/methodology/approach The hypotheses of this study are tested using a three-step mixed-method approach that includes partial least squares structural equation modeling (PLS-SEM), necessary condition analysis (NCA) and fuzzy-set qualitative comparative analysis (fsQCA). Findings PLS-SEM demonstrates the mediating role of psychological ownership on the relationship between SC, customer attitudes regarding being attended by a robot and revisiting intentions. Robot anthropomorphism enhances the relationship between SC and psychological ownership. NCA indicates that SC and psychological ownership are necessary conditions for the presence of favorable attitudes and revisiting intentions. FsQCA suggests that different configurations of the antecedent conditions lead to better attitudes and revisiting intentions. Practical implications Frontline hospitality robots need to be perceived as warm, competent, responsive and adaptable to customer requests to elicit positive responses. Managers should employ attractive robots displaying anthropomorphic features. Managers need to ensure that customers have some knowledge about robots before interacting with them. Managers should also consider customer heterogeneity and the context in which the robots will be deployed. Originality/value Based on the psychological ownership theory, this paper analyzes the relationship between SC, psychological ownership and CR. Anthropomorphism moderates the relationship between SC and psychological ownership.
Bar Category of Modules and Homotopy Adjunction for Tensor Functors

Given a differentially graded (DG)-category ${{\mathcal{A}}}$, we introduce the bar category of modules ${\overline{\textbf{{Mod}}}-{\mathcal{A}}}$. It is a DG enhancement of the derived category $D({{\mathcal{A}}})$ of ${{\mathcal{A}}}$, which is isomorphic to the category of DG ${{\mathcal{A}}}$-modules with ${A_{\infty }}$-morphisms between them. However, it is defined intrinsically in the language of DG categories and requires no complex machinery or sign conventions of ${A_{\infty }}$-categories. We define for these bar categories Tensor and Hom bifunctors, dualisation functors, and a convolution of twisted complexes. The intended application is to working with DG-bimodules as enhancements of exact functors between triangulated categories. As a demonstration, we develop a homotopy adjunction theory for tensor functors between derived categories of DG categories. It allows us to show in an enhanced setting that given a functor $F$ with left and right adjoints $L$ and $R$, the functorial complex $FR \xrightarrow{F{\operatorname{act}}{R}} FRFR \xrightarrow{FR{\operatorname{tr}} - {\operatorname{tr}}{FR}} FR \xrightarrow{{\operatorname{tr}}} {\operatorname{Id}}$ lifts to a canonical twisted complex whose convolution is the square of the spherical twist of $F$. We then write down four induced functorial Postnikov systems computing this convolution.