bluuebunny/crossref_metadata_2025_split huggingface dataset:
Lattice models from CFT on surfaces with holes: I. Torus partition function via two lattice cells
Authors: Brehm Enrico M , Runkel Ingo 
Published: April 2022

Abstract
We construct a one-parameter family of lattice models starting from a two-dimensional rational conformal field theory on a torus with a regular lattice of holes, each of which is equipped with a conformal boundary condition. The lattice model is obtained by cutting the surface into triangles with clipped-off edges using open channel factorisation. The parameter is given by the hole radius. At finite radius, high energy states are suppressed and the model is effectively finite. In the zero-radius limit, it recovers the CFT amplitude exactly. In the touching hole limit, one obtains a topological field theory. If one chooses a special conformal boundary condition which we call ‘cloaking boundary condition’, then for each value of the radius the fusion category of topological line defects of the CFT is contained in the lattice model. The fact that the full topological symmetry of the initial CFT is realised exactly is a key feature of our lattice models. We provide an explicit recursive procedure to evaluate the interaction vertex on arbitrary states. As an example, we study the lattice model obtained from the Ising CFT on a torus with one hole, decomposed into two lattice cells. We numerically compare the truncated lattice model to the CFT expression obtained from expanding the boundary state in terms of the hole radius and we find good agreement at intermediate values of the radius.
Statistical and dynamical properties of the quantum triangle map
Authors: Wang Jiaozi , Benenti Giuliano , Casati Giulio , Wang Wen-ge 
Published: April 2022

Abstract
We study the statistical and dynamical properties of the quantum triangle map, whose classical counterpart can exhibit ergodic and mixing dynamics, but is never chaotic. Numerical results show that ergodicity is a sufficient condition for spectrum and eigenfunctions to follow the prediction of random matrix theory, even though the underlying classical dynamics is not chaotic. On the other hand, dynamical quantities such as the out-of-time-ordered correlator (OTOC) and the number of harmonics, exhibit a growth rate vanishing in the semiclassical limit, in agreement with the fact that classical dynamics has zero Lyapunov exponent. Our finding show that, while spectral statistics can be used to detect ergodicity, OTOC and number of harmonics are diagnostics of chaos.
Monitoring and calculation of the air pollution standard index (APSI) of Bandung Regency
Authors: Hidayat  , Nazaruddin Nazris 
Published: April 2022

Abstract
Air pollution is directly proportional to the rate of economic growth. With the growing economic life, more people will use high-tech materials, which can cause air pollution. The main problem of this pollution is decreasing air quality. This decrease in air quality is caused by many things, including excessive environmental exploitations, industrial activity, energy use, and vehicles exhaust emissions, all of which trigger pollution problems. Bandung Regency is surrounded by many industries, i.e., textile, garment, metal, printing, metal, food, furniture, and plastic. Thus, monitoring air pollution is imperative. The air parameters measured were Carbon monoxide and Nitrogen dioxide. The measurement duration is every 14 days, from June to July 2021. The sample location is divided into four regions, Margahayu, Kopo Katapang, Baleendah, and Dayeuh Kolot. The method used was the MCU 6814 sensor which has been calibrated by IQAir. Carbon monoxide measurements were taken every 8 hours, while nitrogen dioxide was measured every hour of the day. The average measurement for the four areas in the morning and evening was relatively good, 3-5 g/m3 for CO in the morning and 10-14 g/m3 at peak activity during the day. These results indicated the unhealthy air category.
Phytoremediation of heavy metal contaminated soil by Chrysopogon zizanioides L
Authors: Butar Erni Saurmalinda Butar , Permatasari Intan , Jasmansyah  , Sembiring Tarzan 
Published: April 2022

Abstract
The electroplating industry is one of the industries producing various kinds of pollutant waste. One of the pollutants is Copper (Cu). It can cause environmental problems such as soil pollution that endanger microorganisms and other living beings and shift its ecological balance. Phytoremediation is a way to improve polluted land by using plants. This study aimed to investigate the reduction of Cu after the treatment of vetiver (Chrysopogon zizanioides (L.) Roberty). Plants were grown on contaminated soil for 28 days (absorption condition), then transferred to the soil without contamination and allowed to live for 28 days (elimination condition). In this study, the concentration of Cu heavy metal was analyzed in plants using Atomic Absorption Spectrophotometer (AAS). Phytoremediation potential was evaluated through absorption rate, elimination rate, along with Bioconcentration Factor (BCF), Biological Absorption Coefficient (BAC), and Translocation Factor (TF). The results showed that C. zizanioides could absorb Cu with the highest absorption rate of 1.45 mg.kg−1.d−1 and the highest elimination rate of 0.36 mg.kg−1.d−1. The absorption rate tends to be higher than the elimination rate. In this case, C. zizanioides can be used as an alternative for phytoremediation of Cu contaminated soil in the lightly to heavily polluted category.
Simultaneous effects of synthesis temperature and dopants on MgWO4 UC phosphors
Authors: Prasad Manisha , Rai Vineet Kumar 
Published: April 2022

Abstract
A sequence of coactivated divalent-metal tungstate Er3+/Yb3+/Mn4+: MgWO4 phosphors have been successfully developed to study the effect of synthesis temperature on the crystal structure, surface morphology, fluorescence, temperature sensing and the dynamics involved in the processes. Upconversion (UC) intensity of the Er3+/Yb3+: MgWO4 phosphors increased by ∼109 and ∼778 times on increasing the synthesis temperature from 800 °C to 1000 °C and 1200 °C. UC intensity of the Er3+/Yb3+/Mn4+: MgWO4 phosphors has been significantly improved up to ∼90 times via charge compensation. The incorporation of Mn4+ in the Er3+/Yb3+ codoped crystal system shifted the UC spectra from sharp green peaks to broadband emission along with amended sensing abilities. The ratiometric techniques of thermally coupled stark sublevels of the Er3+ have been used to achieve a wide temperature range (300–623 K). The prepared nanophosphors show maximum absolute & relative sensitivities ∼25.86 × 10−3 K−1 @453 K and ∼10.39 × 10−3 K−1 @303 K respectively with an accuracy of ±0.42 K@303 K.
MYO10 promotes transzonal projection-dependent germ line-somatic contact during mammalian folliculogenesis
Authors: Granados-Aparici Sofia , Volodarsky-Perel Alexander , Yang Qin , Anam Sibat , Tulandi Togas , Buckett William , Son Weon-Young , Younes Grace , Chung Jin-Tae , Jin Shaoguang , Terret Marie-Emilie , Clarke Hugh J 
Published: April 2022

Abstract
Granulosa cells of growing ovarian follicles elaborate filopodia-like structures termed transzonal projections (TZPs) that supply the enclosed oocyte with factors essential for its development. Little is known, however, of the mechanisms underlying the generation of TZPs. We show in mouse and human that filopodia, defined by an actin backbone, emerge from granulosa cells in early stage primary follicles and that actin-rich TZPs become detectable as soon as a space corresponding to the zona pellucida appears. mRNA encoding Myosin10 (MYO10), a motor protein that accumulates at the base and tips of filopodia and has been implicated in their initiation and elongation, is present in granulosa cells and oocytes of growing follicles. MYO10 protein accumulates in foci located mainly between the oocyte and innermost layer of granulosa cells, where it colocalizes with actin. In both mouse and human, the number of MYO10 foci increases as oocytes grow, corresponding to the increase in the number of actin-TZPs. RNAi-mediated depletion of MYO10 in cultured mouse granulosa cell-oocyte complexes is associated with a 52% reduction in the number of MYO10 foci and a 28% reduction in the number of actin-TZPs. Moreover, incubation of cumulus-oocyte complexes in the presence of epidermal growth factor, which triggers a 93% reduction in the number of actin-TZPs, is associated with a 55% reduction in the number of MYO10 foci. These results suggest that granulosa cells possess an ability to elaborate filopodia, which when directed toward the oocyte become actin-TZPs, and that MYO10 increases the efficiency of formation or maintenance of actin-TZPs.
Metabolic control of oocyte development
Authors: Zhu Shuai , Wang Qiang 
Published: April 2022

Abstract
Well balanced and timed metabolism is essential for oocyte development. The effects of extrinsic nutrients on oocyte maturation have been widely reported. In contrast, intrinsic control of oogenesis by intracellular metabolites and metabolic enzymes has received little attention. The comprehensive characterization of metabolic patterns could lead to more complete understanding of regulatory mechanisms underlying oocyte development. A cell's metabolic state is integrated with epigenetic regulation. Epigenetic modifications in germ cells are therefore sensitive to parental environmental exposures. Nevertheless, direct genetic evidence for metabolites involvement in epigenetic establishment during oocyte development is still lacking. Moreover, metabolic disorder-induced epigenetic perturbations during oogenesis might mediate the inter/transgenerational effects of environmental insults. The molecular mechanisms responsible for this deserve further investigation. Here, we summarize the findings on metabolic regulation in oocyte maturation, and how it contributes to oocyte epigenetic modification. Finally, we propose a mouse model that metabolic disorder in oocyte serves as a potential factor mediating the maternal environment effects on offspring health.
Helpless victim of financialisation? Financial liberalisation, crisis and taking back control in South Korea
Authors: Henow Anne 
Published: April 2022

Abstract
The literature often portrays emerging market economies as helpless victims of international financialisation. Based on evidence from central banks, international organisations and finance associations, this paper shows how in South Korea financial liberalisation heavily depended on the support of domestic interest groups. After the 1998 Asian financial crisis, Korean policy-makers adopted a pragmatic approach allowing a degree of financialisation while reviving state-led investment strategies. The financial sector expanded in the realm of consumer credit and real estate but alongside this, public financial institutions revived their influence and became an ally to the government in promoting innovation through their active engagement in venture capital. The strategy also pushed back on foreign banks operating in Korea. With its approach, the Korean government successfully prevented any financial instability in the country after the 1997 Asian financial crisis and promoted state-led investment showing that emerging market economies can take control of financialisation.
How Global Summitry Evolves: The Complementary Multilateralism Perspective
Authors: Ji Xianbai 
Published: April 2022

Abstract
The Group of Seven (G7) major Western industrial powers and the Group of Twenty (G20) systemically important economies have appeared in recent decades, their distinctly informal structures notwithstanding, as co-governors of world affairs. To address questions of global salience in regard to the nature of the two leadership fora’s intricate interrelationship, the article constructs a “complementary multilateralism” theoretical framework to shed light on that important symbiotic bond. Unlike the multi-multilateralism, hierarchical multilateralism, and contested multilateralism perspectives, which also describe and characterise interinstitutional relationships within international regime complexity, the complementary multilateralism approach focuses on complementarity between multilateral institutional bodies. After defining complementary multilateralism, the article traces the historical evolution and devolution of the G7 to the G20 and then elaborates on the process of complementary multilateralism entailed between the two Gs. Employing such novel research techniques as quantitative textual analytics and social network analysis, the article empirically uncovers a pattern of spontaneous division of labour, evident in the G7 working primarily with the United Nations’ organs to rein in non-economic aspects of global governance, and the G20 maintaining ties mainly with Bretton Woods institutions charged with international economic cooperation. Going forward, synergetic G7–G20 partnerships would be beneficial to producing favourable governance outcomes, in policy areas such as global health, tax justice, climate change, debt management, and the governance reform of the International Monetary Fund.
Meiotic cDNA libraries reveal gene truncations and mitochondrial proteins important for competitive fitness in Saccharomyces cerevisiae
Authors: Sing Tina L , Conlon Katie , Lu Stephanie H , Madrazo Nicole , Morse Kaitlin , Barker Juliet C , Hollerer Ina , Brar Gloria A , Sudmant Peter H , Ünal Elçin 
Published: April 2022

Abstract
Gametogenesis is an evolutionarily conserved developmental program whereby a diploid progenitor cell undergoes meiosis and cellular remodeling to differentiate into haploid gametes, the precursors for sexual reproduction. Even in the simple eukaryotic organism Saccharomyces cerevisiae, the meiotic transcriptome is very rich and complex, thereby necessitating new tools for functional studies. Here, we report the construction of 5 stage-specific, inducible complementary DNA libraries from meiotic cells that represent over 84% of the genes found in the budding yeast genome. We employed computational strategies to detect endogenous meiotic transcript isoforms as well as library-specific gene truncations. Furthermore, we developed a robust screening pipeline to test the effect of each complementary DNA on competitive fitness. Our multiday proof-of-principle time course revealed 877 complementary DNAs that were detrimental for competitive fitness when overexpressed. The list included mitochondrial proteins that cause dose-dependent disruption of cellular respiration as well as library-specific gene truncations that expose a dominant negative effect on competitive growth. Together, these high-quality complementary DNA libraries provide an important tool for systematically identifying meiotic genes, transcript isoforms, and protein domains that are important for a specific biological function.
Increased Risk of Postpartum Infections After Caesarian and Vaginal Delivery in Women With Inflammatory Bowel Disease: A Danish Nationwide Cohort Study
Authors: Friedman Sonia , Zegers Floor Dijkstra , Jølving Line Riis , Nielsen Jan , Nørgård Bente Mertz 
Published: April 2022

AbstractBackgroundThere is lack of knowledge concerning postpartum infections in women with inflammatory bowel disease (IBD). Our aim is to determine the 30-day postpartum infectious complications in women with and without IBD who have a caesarian section, normal vaginal delivery, or assisted vaginal delivery.MethodsWe used Danish national registries to establish a study population of liveborn, singleton births from January 1, 1997, through December 31, 2015. We examined 30-day postpartum maternal infectious complications in women with and without IBD, according to the mode of delivery. Statistical models were adjusted for multiple confounders.ResultsIn all, 3255 women with and 207 608 without IBD had a caesarian section. Within 30 days postpartum, 4.5% of women with and 3.7% without IBD had an infectious complication. Increased infectious complications included overall infections (adjusted OR [aOR], 1.83; 95% confidence interval [CI], 1.35–2.47), infections of the gastrointestinal tract (aOR, 4.36, 95% CI 2.34-8.10), and infections of the skin and subcutaneous tissue (aOR, 4.45; 95% CI, 2.30–8.50). Other puerperal infections, urological and gynecological, and other infections were increased, although not significantly. For vaginal deliveries, 1.6% of 5771 women with IBD and 1.3% of 793 110 women without IBD had an infectious complication, and the aOR of infections of the gastrointestinal tract was 3.17 (95% CI, 1.47–6.85). There were too few outcomes to calculate the risk of infections after assisted vaginal delivery.ConclusionsThe risk of a 30-day postpartum infectious complication is increased in women with IBD. Physicians should carefully monitor their patients postpartum to prevent these adverse outcomes.
From ‘a piece of grossness’ to ‘minute particularity’: Queen Victoria’s First Pregnancy in the British Press
Authors: Leighton Mary Elizabeth , Surridge Lisa 
Published: April 2022

Abstract
It is a truism that Victorians were prudish about pregnant bodies. Interrogating this assumption, this paper provides a case study of one of the century’s most public pregnancies: that of Queen Victoria with her first child. It tracks press speculations about and discussions of Victoria’s pregnancy from weeks after her 10 February 1840 marriage to Princess Victoria’s 21 November birth. During this period, Victoria’s body was subject to relentless press scrutiny, ranging from speculations about possible pregnancy shortly after marriage to comments about her sex life with Albert. In summer 1840, concern shifted to possible miscarriage after an unsuccessful assassination attempt and the need for a regency if she died in childbirth. Finally, Princess Victoria’s birth prompted surprisingly detailed descriptions of Victoria’s labour and delivery as well as speculations about when the child was conceived. Victorian periodicals demonstrated awareness of their own coverage, accusing other papers of ‘grossness’ and objecting to the ‘minute particularity’ of accounts of her labour. Repeatedly invoking delicacy even as they detailed Victoria’s body, the national press captures the stakes of writing about the queen’s ‘interesting condition’. Clearly, it was not impossible for Victorians to speak about pregnancy.
The key role of debt financing in developing renewable energy projects
Authors: Vázquez-Vázquez Miguel , Rojo-Suárez Javier , Alonso-Conde Ana B , López-Pérez M Victoria 
Published: April 2022

Abstract
We develop a model that allows us to compare the three most common alternatives used for financing wind projects, namely, (i) project finance debt, (ii) project bonds and (iii) mini-perm bank debt with potential refinancing at its maturity. The proposed model not only allows us to sort debts according to their convenience to the financial sponsor, but also helps to study the impact of refinancing conditions on the internal rate of return (IRR) for shareholders through a sensitivity analysis that comprehensively analyses those variables that are particularly uncertain in the refinancing process. Our results suggest that project bonds help maximize the leverage of the project, which leads to a positive effect on IRR for shareholders. The second-most attractive financing source is the mini-perm debt, but this fact is strongly dependent on the refinancing conditions. Our model contributes to fill the gap on the effects of the cost of project debt in developing and producing renewable energy.
Passive acoustic monitoring provides predictable and reliable underestimates of population size and longevity in wild Savannah Sparrows
Authors: Hensel Abby L J , Dobney Sarah L , Moran Ines G , Thomas Ian P , Burant Joseph B , Woodworth Bradley K , Doucet Stéphanie M , Newman Amy E M , Norris D Ryan , Williams Heather , Mennill Daniel J 
Published: April 2022

Abstract
Many breeding birds produce conspicuous sounds, providing tremendous opportunities to study free-living birds through acoustic recordings. Traditional methods for studying population size and demographic features depend on labor-intensive field research. Passive acoustic monitoring provides an alternative method for quantifying population size and demographic parameters, but this approach requires careful validation. To determine the accuracy of passive acoustic monitoring for estimating population size and demographic parameters, we used autonomous recorders to sample an island-living population of Savannah Sparrows (Passerculus sandwichensis) over a 6-year period. Using the individually distinctive songs of males, we estimated the male population size as the number of unique songs detected in the recordings. We analyzed songs across 6 years to estimate birth year, death year, and longevity. We then compared the estimates with field data in a blind analysis. Estimates of male population size through passive acoustic monitoring were, on average, 72% of the true male population size, with higher accuracy in lower-density years. Estimates of demographic rates were lower than true values by 29% for birth year, 23% for death year, and 29% for longevity. This is the first investigation to estimate longevity with passive acoustic monitoring and adds to a growing number of studies that have used passive acoustic monitoring to estimate population size. Although passive acoustic monitoring underestimated true population parameters, likely due to the high similarity among many male songs, our findings suggest that autonomous recorders can provide reliable estimates of population size and longevity in a wild songbird.
Asset Pricing Implications of Firms’ Government Sales Dependency
Authors: Parajuli Bharat Raj 
Published: April 2022

AbstractThis paper investigates the firm-level, asset pricing implications of government expenditures. Higher government sales dependency (GD), unconditional on political partisanship cycles, significantly predicts positive future returns, and a GD-weighted portfolio substantially improves the tangency portfolio’s ex post Sharpe ratio. Conditionally, the results are stronger during Republican presidencies. Higher returns do not stem from political connections or political and regulatory risks. The underlying economic channel is higher expected cash flow from increased profitability. Atypical provisions of government contracts and information asymmetry likely drive higher profit margins. A risk versus a mispricing analysis elicits more convincing evidence for mispricing as an explanation for abnormal returns. (JEL G18, G38, H50, H57, H72)Authors have furnished an Internet Appendix, which is available on the Oxford University Press Web site next to the link to the final published paper online.