bluuebunny/crossref_metadata_2025_split huggingface dataset:
Becoming and being a critical language teacher educator: A duoethnography
Authors: Tezgiden‐Cakcak Yasemin , Ataş Ufuk 
Published: August 2024

AbstractLanguage teacher educator (LTE) identity development is an emerging field exploring how LTEs learn to teach and negotiate their identities and how their identity construction processes help teacher candidates learn. The complexity of the issue has prompted researchers to explore their professional journeys and experiences in various contexts from differing perspectives. Still, the field is constantly evolving as LTEs strive to understand the multifaceted nature of the profession and its implications for teacher education. Within this perspective, through a duoethnographic study, in this research the authors aim to explore how they construct, negotiate, and enact their critical LTE identities and agency as two Turkish‐speaking, mid‐career English language teacher educators situated currently in two different higher education institutions in Türkiye. The researchers collected lengthy personal narratives recounting their experiences and thematically analyzed them through iterative coding. Three major themes concerning their meso and micro contexts emerged: their trajectories in becoming LTEs, issues of belonging and marginalization, negotiating their LTE identities, and exercising agency. Their narratives indicate how they followed different trajectories to become teacher educators, were positioned as others in their institutional settings, legitimized their LTE identities in time, and became empowered to practice their aspired identities. Despite being marginalized in different contexts, their narratives show they have consistently created counter‐hegemonic discursive and experiential spaces in their classrooms and institutional contexts as micro‐level policy‐makers enacting their critical LTE identities.
A Typology on Business Model Integration
Authors: Öberg Christina 
Published: August 2024

ABSTRACTCurrently, we are witnessing firms engaging in acquisitions to explore new business models. However, despite operating within similar industry sectors, integrating these business models can be challenging. Beyond the mere integration of operational aspects, this paper argues that business model integration should encompass two crucial dimensions: the integration of market architectural strategies and the assimilation of mindsets that drive market operations. The paper constructs a typology for business model integration, grounded in the integration of market architectural strategies, and mindsets and illustrates the types through international acquisition examples. The paper contributes to existing research by exploring integration within the context of business model acquisitions. The division into market architectural strategies and mindset advances past understanding of business models. The conceptualization of “value‐creation culture” extends the boundaries of past acquisition research and underscores the significance of mindsets associated with new business models.
An investigation of the heat and mass transfer effects in vertical channels with immersible fluid flow through a porous matrix
Authors: Kandagal Mangala , Kempepatil Ramesh 
Published: August 2024

AbstractIn this article, we investigated the heat and mass transfer of immiscible fluid flow in symmetric two‐vertical regions with a porous matrix in region‐II. The properties of heat generation and absorption are discussed. The channel, consisting of two vertical regions, is filled with a porous matrix with viscous fluids. In both cases, we considered the fluids that undergo Newtonian heat generation and absorption. It was assumed that the porous matrix's channel wall was thermally stable and electrically non‐conducting. The analytical method is used to solve governing equations. Variations in Brinkman Number (Br), Biot Number (Bi), Grashof (Gr) number, viscosity ratio (m), heat generation, and thermal conductivity are illustrated graphically. And we examined the increase in Grashof number, which has effects on fluid flows in both regions. Similarly, the change of heat and momentum transmission in porous media is greatly affected by the viscosity, channel width, source, and sink. Also, when the Grashof number increases, buoyancy increases, leading to an increase in the fluid flow for heat generation and absorption.
Numerical Analysis of Inhomogeneous Parameters of Paperboard Using Tensile Tests
Authors: Leng Yuchen , Sanjon Cedric Wilfried , Groche Peter , Hauptmann Marek , Majschak Jens-Peter 
Published: August 2024

AbstractFor pure metals, typically a homogeneous distribution of material properties is assumed. This assumption reduces the complexity of the models significantly. For inhomogeneous materials like paperboard, however, this assumption is questionable. Experimental findings indicate that the structural inhomogeneity can lead to variations in mechanical properties, which in turn reduce the robustness of processes and require actions to control the product quality. In this work, we introduce an approach to modeling the local material structure in numerical simulations and investigate the material response to an uniaxial tensile test. The effect of various inhomogeneities, e.g., distribution of mass, density, and fiber orientation, on material properties was investigated, and it was found that fiber orientation has the greatest effect in most cases, while the effect of density is usually the least.
Determining Critical Wall Angle in Micro-incremental Sheet Forming of SS316L Foils for Formability Assessment
Authors: Pal Mainak , Pandya Vandit , Nirala Chandrakant K. , Agrawal Anupam 
Published: August 2024

AbstractMicro-incremental sheet forming (µISF) has advantages over existing micro-forming processes (due to its die-less nature of material deformation) and vast applications in sophisticated industries. In µISF, a flexible ultra-thin sheet (foil) is plastically deformed into a complex 3D geometrical shaped component. It is precisely governed by the user-defined toolpath of the forming tool on the surface of the foil. This study investigated the deformation behavior of 100-μm-thick SS316L foils; the foils were deformed into small conical shapes with a tool-tip with a radius of 500 μm. The µISF process set-up consisted of a rigid fixture to avoid any unwanted distortions during the forming. To test the formability of the foils at different working parameters, experimental and numerical examinations were conducted by varying the wall angle (α = 45°, 60°, 75°) of the forming with three different step depths (∆z = 10, 20, and 30 μm). A finite element analysis of the process was carried out using ABAQUS® software; the results revealed that the forming angle in µISF had a direct relationship with the formability of the material. Higher values of the step depth assisted in increasing the formability of the SS316L foils. To examine the critical wall angle (αcr) and critical foil thickness (tcr) at the fracture location, a higher range of α (70°–74°) was selected in order to establish a correlation with the depth of the forming.
Optimization of the Heat Transfer Simulation Time During 3D Printing of PLA Material
Authors: Benié Kandy , Cherouat Abel , Barrière Thierry , Placet Vincent 
Published: August 2024

AbstractThis work focused on optimizing the simulation time for heat transfer during the Fused Deposition Modeling process, which is necessary for a recent tensile property optimization study mentioned in the literature. The approach for optimizing the simulation time involved conducting a comparative analysis of various mesh sizes and simulation step times, assessing their influence on the resulting temperature profiles. The heat transfer simulation of the printed material was done with COMSOL Multiphysics FEA and the normal and extremely fine meshes as well as the simulation step times of $$\Delta t$$

Δ
t

= 0.01 and 0.05 s were considered. The results showed that all the combinations resulting from these simulation parameters were equivalent in terms of both temperature profile results and the results of the tensile property optimization study, but that the simulation time was minimized by using the normal mesh with Δt = 0.05 s with a simulation time ten times shorter than in the case of the extremely fine mesh with $$\Delta t$$

Δ
t

= 0.01 s.
Deformation of Elastically Inhomogeneous Solid Modelled with Diffuse Interface Approach
Authors: Pohjonen Aarne 
Published: August 2024

AbstractDiffuse interfaces are useful tools for simulating evolution of material phases, and they are fundamentally important part of the phase field method. Since, in solid state, different phases can have different elastic constants, it is important to be able to incorporate them into the numerical simulations. In current study, the theory of deformation of elastically inhomogeneous solid with diffuse interface approach and application of relatively simple numerical method for solving the problem are described. Deformation of a solid containing an elastical inhomogeneity is simulated for two cases for compression in two-dimensional plane strain condition: a harder inclusion and a softer inclusion.
Effect of Work Roll Surface Warming on Hot Strip Temperature Development in Industrial Scale Virtual Rolling Model
Authors: Ilmola Joonas , Paananen Joni , Larkiola Jari 
Published: August 2024

AbstractDigitalization is taking place in the steel industry and novel virtual rolling models will be implemented into industrial systems. Virtual rolling models are mainly assembled of individual models for modeling the rolling process considering mechanical, thermal and metallurgical phenomena. Advanced virtual rolling models even predict mechanical properties based on modeled metallurgical state. These models for certain phenomena do not usually consider the constantly changing process parameters which affect the temperature of rolled strip in the industrial process. In the hot rolling industry, temperature development is of particular importance. To calculate temperature development accurately throughout the rolling process, multiple thermal boundary conditions must be considered. In this investigation, we used the FE-model to study how parameters of rolling pass, work roll coolers and full length transfer strip affect warming of a work roll surface. These results were utilized in prediction of work roll surface temperature in contact between the work roll and the strip over full length strip rolling in virtual rolling model to model development of strip temperature in full scale industrial hot strip rolling process.
Capital Accumulation
Authors: Prados de la Escosura Leandro 
Published: August 2024

AbstractThis chapter provides and analyses new estimates of net capital stock and services for Spain over the last 170 years. The net capital (wealth) stock-GDP ratio rose over time and doubled in the last half a century. Capital services grew fast over the long run, accelerating in the 1920s and from the mid-1950s to 2007. Until 1975, their acceleration was assisted by an increase in the ‘quality’ of capital. Capital deepening proceeded steadily, accelerating from 1955 to 1985, and slowed down thereafter, for expanding sectors attracted less investment-specific technological progress. Although capital consumption rose over time, the rate of depreciation fell from 1970 to 2007, as the relative prices of new capital goods’ declined due to embodied technological change.
Spain’s Financial Position in the First Globalization
Authors: Prados de la Escosura Leandro 
Published: August 2024

AbstractSpain’s financial position during the late nineteenth and early twentieth century has usually been depicted as one of persistent deficit on current account, resulting from the country’s integration into international commodity and factor markets, which would have slowed down economic growth. In this chapter, this proposition is tested on the basis of a reconstruction of the Spanish balance of payments on current account. At odds with this interpretation, during the first globalization, opening up until 1890 allowed a net capital inflow that made it possible to meet the demand for investment boosting economic performance. Conversely, current account reversals in a context of macroeconomic domestic imperfections help explain the economic slowdown at the turn of the century.
Two-loop mixed QCD-EW corrections to charged current Drell-Yan
Authors: Armadillo Tommaso , Bonciani Roberto , Devoto Simone , Rana Narayan , Vicini Alessandro 
Published: August 2024

Abstract
We present the two-loop mixed strong-electroweak virtual corrections to the charged current Drell-Yan process. The final-state collinear singularities are regularised by the lepton mass. The evaluation of all the relevant Feynman integrals, including those with up to two different internal massive lines, has been worked out relying on semi-analytical techniques, using complex-valued masses. We can provide, at any arbitrary phase-space point, the solution as a power series in the W-boson mass, around a reference value. Starting from these expansions, we can prepare a numerical grid for any value of the W-boson mass within their radius of convergence in a negligible amount of time.
Entanglement of defect subregions in double holography
Authors: Liu Yuxuan , Chen Qian , Ling Yi , Peng Cheng , Tian Yu , Xian Zhuo-Yu 
Published: August 2024

Abstract
In the framework of double holography, we investigate the entanglement behavior of a subregion of the defect on the boundary of a CFT3. The entanglement entropy of this defect subregion is determined by the quantum extremal surface (QES) anchored at the two endpoints of the subregion from the brane perspective. We further analyze the entanglement entropy of the quantum matter within this QES, which can be extracted from the total entanglement entropy. We find there are two phases of the QES. To numerically distinguish these phases, we design a strategy for approaching the QES by progressively reducing the width of a semi-ellipse-like region within the CFT3, which is bounded by the defect. During this process, we discover an entanglement phase transition driven by the degree of freedom on the brane. In the shrinking phase, the entanglement wedge of the defect subregion sharply decreases to zero as the removal of the CFT3. In contrast, in the stable phase, the wedge almost remains constant. In this phase, the formulas of entanglement measures can be derived based on defect and CFT3 central charges in the semi-classical limit. For entanglement entropy, the classical geometry only contributes a subleading term with logarithmic divergence, but the matter entanglement exhibits a dominant linear divergence, even in the semi-classical limit. For the reflected entropy within the defect subregion, classical geometry contributes a leading term with logarithmic divergence, while the quantum matter within the entanglement wedge only contributes a finite term.
Semiclassics for the QCD vacuum structure through T2-compactification with the baryon-’t Hooft flux
Authors: Hayashi Yui , Tanizaki Yuya 
Published: August 2024

Abstract
We study QCD vacuum structure with the topological θ angle using a recently proposed semiclassical approach on ℝ2 × T2 with the ’t Hooft and baryon magnetic fluxes. Under the assumption of adiabatic continuity in this setup, the confining vacuum can be described by the dilute gas of center vortices. With this semiclassical approach, we derive the 2d effective description at small T2 and successfully explain the reasonable theta dependence of the QCD vacuum: in the one-flavor QCD at θ = π, the CP symmetry is spontaneously broken for quark mass above a critical value and restored for a subcritical mass, while the CP symmetry is always spontaneously broken in the multi-flavor QCD at θ = π. From our semiclassical description, we discuss implications to the 4d chiral Lagrangian and propose how the η′ meson should be incorporated in consistent with known global structures: the periodicity of the η′ should be extended from the naive one 2π to 2πN. Additionally, we revisit the phase diagram of Nf = 1 + 1 and Nf = 1 + 1 + 1 QCD on the up and down quark mass plane, confirming and refining the existence of the CP-broken Dashen phase.
Higher-group global symmetry and the bosonic M5 brane
Authors: Armas Jay , Batzios Giorgos , Jain Akash 
Published: August 2024

Abstract
Higher-group symmetries are combinations of higher-form symmetries which appear in various field theories. In this paper, we explain how higher-group symmetries arise in 10d and 11d supergravities when the latter are coupled to brane sources. Motivated by this observation, we study field theories at zero and finite temperature invariant under a class of continuous Abelian higher-group symmetries. We restrict the analysis to the low-energy regime where the dynamical field content exclusively consists of Goldstone fields arising from the spontaneous breaking of higher-group and spacetime symmetries. Invariant quantities are constructed and the phases of matter are classified according to the pattern of spontaneous symmetry breaking. With respect to supergravity, we highlight how such Goldstone effective theories provide a symmetry-based interpretation for the theories living on D/M-branes. As an explicit example we construct a 6-group invariant action for the bosonic M5 brane, consistent with the self-duality of the 3-form field strength on the brane. While the self-duality condition in the bosonic case needs to be imposed externally as a constraint at zero temperature, we find an equilibrium effective action for the bosonic M5 brane at finite temperature that inherently implements self-duality.
Discrete gauge anomalies and instantons
Authors: Jia Qiang , Yi Piljin 
Published: August 2024

Abstract
We revisit anomalous phases related to large gauge transformations, such as the Witten anomaly. The latter, known to plague d = 4 Sp(k) theories, is well-understood in terms of π4(Sp(k)) = ℤ2, but it also has an oblique relation to the instantons, labeled by π3(G) = ℤ, via the fermion zero mode counting. We revisit this relation and point out how SU(N) theories escape an anomalous sign of the latter type, only thanks to the perturbative anomaly cancelation condition that restricts the chiral fermion spectrum. This leads to the question of what happens if the latter, more mundane anomaly is canceled by an inflow instead. After raising an open question about fractional D3 probe theories, we explore the simplest bottom-up model of such a kind, due to Witten and Yonekura, from which we find the relevant chiral theories to be free of such a disease despite the unrestricted chiral spectra. We close with a simple but often-overlooked observation about how fermionic zero modes enter physics differently between Euclidean and Lorentzian descriptions and point out a related issue in d = 3.
$$\text {CMC-1}$$ Surfaces in Hyperbolic and de Sitter Spaces with Cantor Ends
Authors: Castro-Infantes Ildefonso , Hidalgo Jorge 
Published: August 2024

AbstractWe prove that on every compact Riemann surface M, there is a Cantor set $$C \subset M$$

C
⊂
M

such that $$M{ \setminus }C$$

M
\
C

admits a proper conformal constant mean curvature one ($$\text {CMC-1}$$
CMC-1
) immersion into hyperbolic 3-space $$\mathbb {H}^3$$

H

3

. Moreover, we obtain that every bordered Riemann surface admits an almost proper $$\text {CMC-1}$$
CMC-1
face into de Sitter 3-space $$\mathbb {S}_1^3$$

S
1
3

, and we show that on every compact Riemann surface M, there is a Cantor set $$C \subset M$$

C
⊂
M

such that $$M {\setminus } C$$

M
\
C

admits an almost proper $$\text {CMC-1}$$
CMC-1
face into $$\mathbb {S}_1^3$$

S
1
3

. These results follow from different uniform approximation theorems for holomorphic null curves in $$\mathbb {C}^2 \times \mathbb {C}^*$$

C

2

×

C

∗

that we also establish in this paper.
Comparison of reinforcement fibers in 3D printing mortars using multi-criteria analysis
Authors: Alonso-Cañon Sara , Blanco-Fernandez Elena , Castro-Fresno Daniel , Yoris-Nobile Adrian I. , Castanon-Jano Laura 
Published: August 2024

Abstract3D concrete printing (3DCP) has developed rapidly in recent years, with a relatively high amount of mortars emerging apt for 3D printing. Some of these mortars include fibers to improve their strength. Despite mechanical properties having been quite well studied, there still is missing information on cost, printability, and environmental impacts. The objective of this research is to select the best mortars with fibers considering four criteria: printability, mechanical strength, and economic and environmental impact applying a multi-criteria decision-making analysis (MCDMA). Seven types of fibers with different dosages were assessed in the reinforced mortars: zylon, aramid, carbon, glass, cellulose, textile, and polypropylene. AHP method and equal weights were used as ponderation techniques of the criteria while WASPAS and TOPSIS methods were used to calculate the rankings of the MCDMA. Printability was measured through rheological tests using a rotational rheometer, mechanical strength through flexural tests at 28 days based on EN 196–1, and cost just considering the materials and environmental impact through a life cycle assessment (LCA). The results showed that 13-mm-long glass fibers with a content of 0.1% were the best alternative, closely followed by the mortar with 6 mm cellulose fibers with a content of 0.05%. For the best option (G13;0.1), the increments in the printability index, flexural strength, cost, and LCA were − 14.37%, 16.70%, 5.88%, and 2.86%, respectively. It can also be concluded that high elastic modulus fibers (zylon and aramid), although able to increase significantly the flexural strength (up to 30% in the case of zylon), prevent them from being an optimal solution due to their high cost.
Effects of peanut ball use on perceived labor pain, fatigue, and mother’s perception of childbirth: a randomized controlled trial
Authors: Alan Dikmen Hacer , Gönenç İlknur Münevver , Ataş Ayşe Nur 
Published: August 2024

Abstract
Purpose
The aim of this study was to evaluate the effects of using peanut balls on labor pain, fatigue, and the mother’s perception of labor.

Methods
This is a randomized controlled intervention trial. Data were collected from the Intervention (peanut ball) and Control groups between July 2022 and June 2023, with 45 pregnant women in each group. Data were collected using a personal information form, the Visual Analog Scale-Pain (VAS-P), the Visual Analog Scale for Fatigue (VAS-F), and the Maternal Perception of Childbirth Scale (MPCS).

Results
The VAS-P scores of the intervention group were statistically significantly lower than those of the control group 15 min after peanut ball application (p = .000). Immediately after and 15 min after peanut ball application, the mean fatigue score of the Intervention group was statistically significantly lower than that of the Control group (p = .000). There was no statistically significant difference between the mean duration of labor minutes in the two groups (p = .177). The mean MPCS scores of the intervention group and control groups were 62.73 + 7.30 and 47.17 + 9.12, respectively, and the difference was statistically significant (p = .000).

Conclusions
The findings of this study indicate that the use of peanut balls during labor can effectively reduce labor pain and fatigue in pregnant women, without affecting the duration of labor. Additionally, the use of peanut balls has been shown to positively influence the perception of labor among pregnant women. Therefore, it is recommended that midwives educate pregnant women about the use of peanut balls during labor and provide support in their use.