Miracle-dz/UniFAR-FTUs huggingface dataset:
Effect of a 6-Week Cycle of Nordic Walking Training on Vitamin 25(OH)D3, Calcium-Phosphate Metabolism and Muscle Damage in Multiple Myeloma Patients–Randomized Controlled Trial

Introduction: Multiple myeloma (MM) is a hematological malignancy affecting older adults. One of the most common myeloma-defining events is the development of symptomatic lytic bone disease. The serum concentrations of calcium (Ca), inorganic phosphorus (P), and vitamin 25(OH)D3 in the serum reflect bone metabolism. An enzyme lactate dehydrogenase (LDH) is a marker of muscle damage, but its serum activity also has an important prognostic value in MM. Myoglobin (Mb) is a small protein present in muscles; its serum level increases when myocytes are damaged. Objectives: In this study, the impact of a 6-week Nordic walking (NW) exercise program on blood parameters related to calcium-phosphate metabolism and damage of skeletal muscles was assessed. Patients and methods: A total of 33 patients with MM in the remission stage, without cytostatic treatment, were allocated and randomly assigned to one of two groups: 17 in the training group (NW) and 16 in the control group (CG). All patients were supplemented per os with vitamin D3 and calcium carbonate daily and received zoledronic acid every 4 weeks (intravenous). Nordic walking training sessions took place 3 times a week for 6 weeks, 1 h each. Blood samples were drawn before and after the 6 weeks of training sessions to assess the serum concentrations of vitamin 25(OH)D3, P, Ca, Mb, and LDH. Results: Patients from the NW group showed a statistically significant decrease in mean serum myoglobin concentration (p = 0.018) and an increase in 25(OH)D3 (p < 0.001) and total Ca (p = 0.001) concentrations. There were no statistically significant changes in the results obtained in CG. Between groups, after 6 weeks, Mb serum concentration was significantly lower in NW (p = 0.041), and 25(OH)D3 was higher (p < 0.001) compared to CG. There was a correlation between the changes in myoglobin, phosphorus, 25(OH)D3, and Ca concentrations after 6 weeks. Conclusions: NW training is a safe and beneficial form of physical exercise for patients with MM without inducing muscle damage. NW performed outside improves serum vitamin 25(OH)D3 concentration.
Exceptional circles of radial potentials

A nonlinear scattering transform is studied for the two-dimensional Schrödinger equation at zero energy with a radial potential. Explicit examples are presented, both theoretically and computationally, of potentials with nontrivial singularities in the scattering transform. The singularities arise from non-uniqueness of the complex geometric optics solutions that define the scattering transform. The values of the complex spectral parameter at which the singularities appear are called exceptional points. The singularity formation is closely related to the fact that potentials of conductivity type are ‘critical’ in the sense of Murata.
Strings from Feynman Graph counting : without large N

A well-known connection between n strings winding around a circle and permutations of n objects plays a fundamental role in the string theory of large N two dimensional Yang Mills theory and elsewhere in topological and physical string theories. Basic questions in the enumeration of Feynman graphs can be expressed elegantly in terms of permutation groups. We show that these permutation techniques for Feynman graph enumeration, along with the Burnside counting lemma, lead to equalities between counting problems of Feynman graphs in scalar field theories and Quantum Electrodynamics with the counting of amplitudes in a string theory with torus or cylinder target space. This string theory arises in the large N expansion of two dimensional Yang Mills and is closely related to lattice gauge theory with S_n gauge group. We collect and extend results on generating functions for Feynman graph counting, which connect directly with the string picture. We propose that the connection between string combinatorics and permutations has implications for QFT-string dualities, beyond the framework of large N gauge theory.
Local mirror symmetry in the tropics

We discuss how the Gross-Siebert reconstruction theorem applies to the local mirror symmetry of Chiang, Klemm, Yau and Zaslow. The reconstruction theorem associates to certain combinatorial data a degeneration of (log) Calabi-Yau varieties. While in this case most of the subtleties of the construction are absent, an important normalization condition already introduces rich geometry. This condition guarantees the parameters of the construction are canonical coordinates in the sense of mirror symmetry. The normalization condition is also related to a count of holomorphic disks and cylinders, as conjectured in our work and partially proved in various works of Chan, Cho, Lau, Leung and Tseng. We sketch a possible alternative proof of these counts via logarithmic Gromov-Witten theory. There is also a surprisingly simple interpretation via rooted trees marked by monomials, which points to an underlying rich algebraic structure both in the relevant period integrals and the counting of holomorphic disks.
N=2 Supersymmetric Theories, Dyonic Charges and Instantons

In the first part of this thesis we give an introduction to electric-magnetic duality and N=2 supersymmetry. After that we describe type II string theory instantons in the supergravity approximation. These instantons correspond to D-branes and NS-fivebranes wrapping non-vanishing cycles in the internal Calabi-Yau manifold. In the last chapter, we construct N=2 supersymmetric gauge theories involving both electric and magnetic (dyonic) charges. In these systems the electric-magnetic duality structure of the ungauged theories is preserved.
Two components is too simple: an example of oscillatory Fisher–KPP system with three components

Abstract In a recent paper by Cantrell et al. [9], two-component KPP systems with competition of Lotka–Volterra type were analyzed and their long-time behaviour largely settled. In particular, the authors established that any constant positive steady state, if unique, is necessarily globally attractive. In the present paper, we give an explicit and biologically very natural example of oscillatory three-component system. Using elementary techniques or pre-established theorems, we show that it has a unique constant positive steady state with two-dimensional unstable manifold, a stable limit cycle, a predator–prey structure near the steady state, periodic wave trains and point-to-periodic rapid travelling waves. Numerically, we also show the existence of pulsating fronts and propagating terraces.
Metabolic Abnormalities, Cardiovascular Disease, and Metabolic Syndrome in Adult Rheumatoid Arthritis Patients: Current Perspectives and Clinical Implications

Aim Rheumatoid arthritis is a prevalent worldwide disease, associated with an increased risk of multiple metabolic abnormalities that generate a higher disease burden. Objective To gather the available evidence on the epidemiology, pathophysiology, current perspectives, clinical implications and prognosis of metabolic abnormalities in patients with rheumatoid arthritis. Methods This is a narrative literature review. Search was conducted in PubMed, OVID, and Taylor & Francis databases, using the following MeSH terms: “Arthritis Rheumatoid”, “Metabolic Diseases”, and “Metabolic Syndrome”. Results This study describes the main metabolic manifestations of rheumatoid arthritis. Research has recognized that rheumatoid arthritis and metabolic abnormalities share pathophysiological mechanisms with an additive effect that increases cardiovascular risk. In that context, appropriate antirheumatic treatment can also impact on cardiovascular risk. Conclusion There are metabolic abnormalities in rheumatoid arthritis patients that increase cardiovascular risk. Therefore, it is crucial to evaluate cardiovascular risk to provide appropriate comprehensive management to reduce morbidity and mortality in patients with this disease.
Values Formation within the Family as an Antecedent of Civic Participation

Values formation during childhood is crucial in the development of children which serves as the basis of their behavior and actions outside the family and in later life. 131 volunteers of UPLB Ugnayan ng Pahinungód were selected as the sample of this study to understand how values formation in childhood translates to civic participation. Using explanatory sequential design, this research gathered data in two phases. Quantitative phase used Volunteer Functions Inventory (VFI) to determine the motivations of the respondents to volunteer while the Scales of Parenting Styles (SPS) assessed the parenting styles of the respondents’ parents. Data was analyzed using descriptive quantitative analysis. Six participants were chosen for the qualitative phase and their cases were analyzed using thematic analysis. Results highlighted the importance of values formation during childhood in the learning and practice of values associated to civic participation. Parents played important roles as models of desired behaviors and socializing agents through their parenting styles and practices as well as extended childcare. Modeling and practice of behavior through family socialization contributed to their positive development. Volunteers were motivated to participate in civic activities to seek understanding of social issues and real-life situations of Filipinos anchored by their values and high regard for humanity and life. Definition of civic participation based from their experiences was also presented in the results. Main values components of civic participation are pakikipagkapwa, malasakit, and pananagutan which are recommended to be embedded in the family’s core values to contribute to the development of children’s sense of civic duty.
Predictive Role of Neutrophil to Lymphocyte Ratio in Adnexal Torsion: A Systematic Review and Meta-Analysis

Introduction The goal of this systematic review and meta-analysis was to consolidate the available data on the role of the neutrophil to lymphocyte ratio (NLR) in predicting adnexal torsion (AT), to help guide clinical decision-making and outcomes. Methods We used Web of Science, PubMed, and Scopus to conduct a systematic search for relevant publications published before June 26, 2022. We reported standardized mean difference (SMD) with a 95% confidence interval (CI). Because a significant level of heterogeneity was found, we used the random-effects model to calculate pooled effects. We used the Quality Assessment of Diagnostic Accuracy Studies 2 (QUADAS-2) too for quality assessment. Results Overall, 15 articles were included in the analysis. A random-effects model revealed that patients with AT had elevated levels of NLR compared to those with other adnexal masses (SMD = 1.06, 95%CI = 0.67 to 1.45, p < 0.001). So, NLR had diagnostic value. In the subgroup analysis according to ethnicity, we found that Caucasian patients with AT had elevated levels of NLR compared to patients who were operated due to adnexal mass and reported as having a benign ovarian cyst, without torsion (SMD = 1.12, 95%CI = 0.71 to 1.54, p < 0.001). However, in the case of East Asian patients, there was no difference between cases and controls (SMD = 0.86, 95%CI = −0.21 to 1.94, p = 0.11). The pooled sensitivity of NLR was 0.79 (95%CI = 0.72–0.85), and the pooled specificity was 0.84 (95% CI, 0.74–0.91). Conclusion In conclusion, there has been an interest in the use of NLR as a diagnostic marker for AT.
Chiral tunneling in single-layer and bilayer graphene

In this paper, we review chiral (Klein) tunneling in single-layer and bilayer graphene and present its semiclassical theory, including the Berry phase and the Maslov index. The peculiarities of chiral tunneling are naturally explained in terms of the classical phase space. In one-dimensional geometry, we reduced the original Dirac equation, describing the dynamics of charge carriers in single-layer graphene, to an effective Schrödinger equation with a complex potential. This allowed us to study tunneling in detail and obtain analytical formulae. Our predictions are compared with numerical results. We have also demonstrated that for the case of an asymmetric n–p–n junction in single-layer graphene, there is total transmission only for normal incidence; side resonances are suppressed.
Determinants of soybean (Glycine max.) market supply in Northwestern Ethiopia

Abstract Suitable agro ecology and tremendous soybean potential of Ethiopia is the key to produce the crop in large-scale and maintaining a steady supply on the market. Although its demand rises quickly for export and local processing, the current production status is much below the market demand. The factors influencing the supply of soybeans in Northwestern Ethiopia were the main subject of this study. The sample households were chosen using a multistage sampling technique. In this study, data were gathered from 228 respondents that were randomly drawn. The data were obtained mainly from sampled soybean growers via structured interviews with key informant interviews and focus groups for triangulation. Descriptive statistics and multiple linear regression models were employed to analyze the data including one way ANOVA and t-tests. The findings showed that soybean producers’ average productivity was 1.21 tons ha−1, much below the national average of 2.15 tons ha−1, due to the sparse usage of improved seed, fertilizer, and other recommended packages. According to the model results, productivity, lagged price, market information, prior experience with soybean farms, cultivated land, weekly extension contacts, education (preparatory school completion), and credit access all had a positive and significant impact on the quantity of soybean market supply. The results showed that soybeans are the most lucrative and important cash crop for producers in the study area. The availability of improved soybean technologies with full recommended packages boosts their productivity and enables them to guarantee sustainable market supply in order to meet the increased market demand.
Long time asymptotics of the totally asymmetric simple exclusion process

We study the long time asymptotics of the relaxation dynamics of the totally asymmetric simple exclusion process on a ring. Evaluating the asymptotic amplitudes of the local currents by the algebraic Bethe ansatz method, we find that the relaxation times starting from the step and alternating initial conditions are governed by different eigenvalues of the Markov matrix. In both cases, the scaling exponents of the leading asymptotic amplitudes with respect to the total number of sites are found to be −1. We also study the asymptotics of correlation functions such as the emptiness formation probability.
Mapping the Relationship of Disciplinary and Writing Concepts: Charting a Path to Deeper WAC/WID Integration in STEM

: Studies have shown that students learning to write in engineering fields struggle to integrate subject matter and communication expertise, and that STEM faculty’s communication knowledge often remains tacit, rather than being explicitly taught to students. Here we show a method for eliciting and revealing tacit communication knowledge using what we call disciplinary reasoning diagrams. We offer diagrams we have developed for Materials Science and Engineering, Brain and Cognitive Science, proof-based Mathematics, and Computer Systems, and explain how they function as instructional tools that can help students integrate knowledge domains from STEM and from writing, and to scaffold their ability to think critically and communicate effectively in their field.
Approximations, ghosts and derived equivalences

Abstract Approximation sequences and derived equivalences occur frequently in the research of mutation of tilting objects in representation theory, algebraic geometry and noncommutative geometry. In this paper, we introduce symmetric approximation sequences in additive categories and weakly n-angulated categories which include (higher) Auslander-Reiten sequences (triangles) and mutation sequences in algebra and geometry, and show that such sequences always give rise to derived equivalences between the quotient rings of endomorphism rings of objects in the sequences modulo some ghost and coghost ideals.
A Bilinear Rubio de Francia Inequality for Arbitrary Rectangles

Let $\mathscr{R}$ be a collection of disjoint dyadic rectangles $R$, let $\pi _R$ denote the non-smooth bilinear projection onto $R$ and let $r>2$. We show that the bilinear Rubio de Francia operator associated with $\mathscr{R}$ given by $$\begin{equation*} f,g \mapsto \left(\sum_{R\in\mathscr{R}} |\pi_{R} (f,g)|^r \right)^{1/r} \end{equation*}$$ is $L^p \times L^q \rightarrow L^s$ bounded whenever $1/p + 1/q = 1/s$, $r^{\prime}<p,q<r$. This extends from squares to rectangles a previous result by the same authors in [7], and as a corollary extends in the same way a previous result from [2] for smooth projections, albeit in a reduced range.
Torus bundles not distinguished by TQFT invariants

We show that there exist arbitrarily large sets of non-homeomorphic closed oriented SOL torus bundles with the same quantum (TQFT) invariants. This follows from the arithmetic behind the conjugacy problem in SL.2;Z/ and its congruence quotients, the classification of SOL (polycyclic) 3‐manifold groups and an elementary study of a family of Pell equations. A key ingredient is the congruence subgroup property of modular representations, as it was established by Coste and Gannon, Bantay, Xu for various versions of TQFT, and by Ng and Schauenburg for the Drinfeld doubles of spherical fusion categories. In particular, we obtain non-isomorphic 3‐manifold groups with the same pro-finite completions, answering a question of Long and Reid. On the other side we prove that two torus bundles over the circle with the same U.1/ and SU.2/ quantum invariants are (strongly) commensurable. In the appendix (joint with Andrei Rapinchuk) we show that these examples have positive density in a suitable set of discriminants. 20F36, 57M07; 20F38, 57N05
On distinct cross-ratios and related growth problems

It is shown that for a finite set $A$ of four or more complex numbers, the cardinality of the set $C[A]$ of all cross-ratios generated by quadruples of pair-wise distinct elements of $A$ is $|C[A]|\gg |A|^{2+\frac{2}{11}}\log^{-\frac{6}{11}} |A|$ and without the logarithmic factor in the real case. The set $C=C[A]$ always grows under both addition and multiplication. The cross-ratio arises, in particular, in the study of the open question of the minimum number of triangle areas, with two vertices in a given non-collinear finite point set in the plane and the third one at the fixed origin. The above distinct cross-ratio bound implies a new lower bound for the latter question, and enables one to show growth of the set $\sin(A-A),\;A\subset \mathbb R/\pi\mathbb Z$ under multiplication. It seems reasonable to conjecture that more-fold product, as well as sum sets of this set or $C$ continue growing ad infinitum.
Classi B cation and transformation of aerosols over selected Indian cities during reduced emissions under Covid-19 lockdown

Studies in the recent past show improved air quality over India during the Covid-19 lockdown. This research attempts to characterize atmospheric aerosols in terms of a and AOD and their transformation over India during the pandemic lockdown. The type and particle distribution of aerosols, including gaseous species for B ve Indian regions were considered. Fine to coarse particle shift was observed in most regions. The northern region observed high B re counts, implying crop residue burning season during the stringent lockdown. Thiruvananthapuram, in the south, showed an increase in PM, owing to the resumption of mobility post-lockdown. Hyderabad, however; observed increased PM 2.5 (2.79%) and AOD (37.23%) during Phase 1. Maritime (MT) aerosol predominated over Thiruvananthapuram, whereas urban/biomass burning (UBB) type decreased over the eastern region. Contributions from continental average (CA), maritime continental average (MCA), and MT were observed over Hyderabad, post-lockdown. In the central region, MCA was replaced by UBB and mixed type, with isolated episodes of clean continental (CC) and desert dust (DD). During lockdown phases, an increase in O 3 over western, northern, and central regions is attributed to increased temperature and decreased NO 2 . A significant correlation with population density (PD) exists with NO 2 ( R 2 = 0.75; p \ 0.05), suggesting human mobility as a major contributor to NO 2 in the atmosphere during the lockdown period.
On binary cubic and quartic forms

In this paper we determine the group of rational automorphisms of binary cubic and quartic forms with integer coefficients and non-zero discriminant in terms of certain quadratic covariants of cubic and quartic forms. This allows one to give precise asymptotic formulae for the number of integers in an interval representable by a binary cubic or quartic form and extends work of Hooley. Further, we give the field of definition of lines contained in certain cubic and quartic surfaces related to binary cubic and quartic forms.
Hypocoercivity without confinement

In this paper, hypocoercivity methods are applied to linear kinetic equations with mass conservation and without confinement, in order to prove that the solutions have an algebraic decay rate in the long-time range, which the same as the rate of the heat equation. Two alternative approaches are developed: an analysis based on decoupled Fourier modes and a direct approach where, instead of the Poincare inequality for the Dirichlet form, Nash's inequality is employed. The first approach is also used to provide a simple proof of exponential decay to equilibrium on the flat torus. The results are obtained on a space with exponential weights and then extended to larger function spaces by a factorization method. The optimality of the rates is discussed. Algebraic rates of decay on the whole space are improved when the initial datum has moment cancellations.
Rainbow saturation of graphs

In this paper, we study the following problem proposed by Barrus, Ferrara, Vandenbussche, and Wenger. Given a graph H and an integer t , what is satt(n,R(H)) , the minimum number of edges in a t ‐edge‐colored graph G on n vertices such that G does not contain a rainbow copy of H , but adding to G a new edge in any color from {1,2,…,t} creates a rainbow copy of H ? Here, we completely characterize the growth rates of satt(n,R(H)) as a function of n , for any graph H belonging to a large class of connected graphs and for any t≥e(H) . This classification includes all connected graphs of minimum degree 2. In particular, we prove that satt(n,R(Kr))=Θ(nlogn) , for any r≥3 and t≥r2 , thus resolving a conjecture of Barrus, Ferrara, Vandenbussche, and Wenger. We also pose several new problems and conjectures.
Lone Axes in Outer Space

Handel and Mosher define the axis bundle for a fully irreducible outer automorphism in "Axes in Outer Space. " In this paper we give a necessary and sufficient condition for the axis bundle to consist of a unique periodic fold line. As a consequence, we give a setting, and means for identifying in this setting, when two elements of an outer automorphism group $Out(F_r)$ have conjugate powers.