bluuebunny/crossref_metadata_2025_split huggingface dataset:
Real-space effects of a quench in the Su–Schrieffer–Heeger model and elusive dynamical appearance of the topological edge states
Authors: Rossi Lorenzo , Rossi Fausto , Dolcini Fabrizio 
Published: November 2021

Abstract
The topological phase of the Su–Schrieffer–Heeger (SSH) model is known to exhibit two edge states that are topologically protected by the chiral symmetry. We demonstrate that, for any parameter quench performed on the half-filled SSH chain, the occupancy of each lattice site remains locked to 1/2 at any time, due to the additional time-reversal and charge conjugation symmetries. In particular, for a quench from the trivial to the topological phase, no signature of the topological edge states appears in real-space occupancies, independently of the quench protocol, the temperature of the pre-quench thermal state or the presence of chiral disorder. However, a suitably designed local quench from/to a SSH ring threaded by a magnetic flux can break these additional symmetries while preserving the chiral one. Then, real-space effects of the quench do appear and exhibit different dynamical features in the topological and in the trivial phases. Moreover, when the particle filling is different from a half and the pre-quench state is not insulating, the dynamical appearance of the topological edge states is visible already in a chain, it survives time averaging and can be observed also in the presence of chiral-breaking disorder and for instantaneous quenches.
Study of various ripeness groups winter bread wheat varieties according to productivity and grain quality
Authors: Nekrasov E I , Marchenko D M , Ivanisov M M , Kravchenko N S 
Published: November 2021

Abstract
The purpose of the current study was a comparative estimation of productivity and grain quality of the early ripening, middle early and middle ripening winter bread wheat varieties in the conditions of the southern part of the Rostov region. The study was conducted in the Agricultural Research Center “Donskoy” in 2017-2019. The objects of the study were 15 winter bread wheat verities. The study established that the middle early ripening varieties Krasa Dona, Lidiya, Lilit and Premiera showed a significant increase to the standard variety Don 107 from 0.46 to 0.85 t/ha according to productivity. The comparative estimation of the ripeness different groups varieties showed that such middle early ripening varieties with its maximum percentage as Don 107 (12.29%), Lidiya (12.46%), Volnitsa (12.72%) and the early ripening sample Podarok Krymu (with 12.68% of mass fraction of protein), that correspond to the 3rd quality class, were identified according to the mass fraction of protein in grain. The early ripening varieties Zhavoronok (24.98%) and Podarok Krymu (26.77%) with the highest values and the middle early ripening varieties Don 107 (24.81%), Volnitsa (25.22%) and Asket (26.30%), corresponding to the 3rd quality class, were identified according to the trait gluten content in grain.
The effect of growth regulators with retardant properties on the growth and development of winter wheat
Authors: Voronov S I , Vlasova O I , Shtyrkhunov V D , Govorkova S B , Savinov E V 
Published: November 2021

Abstract
The article presents the results of experiments to study the reaction of winter soft wheat of the Nemchinovskaya 17 variety to growth regulators with retardant properties. It was found that the use of growth regulators at the end of the tillering-exit phase into the tube reduced the height of plants by an average of 0.115 m compared to the control without treatment, where the height of plants was on average 0.813 m. According to the results of observations, a differentiated reaction of the tested winter wheat to lodging was established when using the studied growth regulators. In plants treated with Reggi and Messidor growth regulators, lodging was not observed and ranged from 4.4 to 5 points of lodging on the control without treatment – 3 points. The tested plant growth regulators have a significant impact on the yield of winter wheat of the studied variety and the formation of its structural elements. The increase in yield according to the variants of the experiment was about 4.1-6.1 t/ha depending on the type of drug. The highest yield increases were obtained with the use of Reggi at a dose of 1.5 l/ha.
Spring wheat yield (Triticum aestivum L.) when applying selenium fertilizers in extreme growing conditions
Authors: Seregina I I , Makarskaya I G , Tsygutkin A S , Kirichkova I V 
Published: November 2021

Abstract
To study the effect of sodium Selenite application different methods on the yield of spring wheat varieties, depending on the conditions of water supply, a series of vegetation experiments in accordance with the methodology were carried out. The object of the study is spring wheat of the Zlata variety (Triticum aestivum L.). It was found that the effect of selenium on the yield of wheat of the Zlata variety depended on the method of its application and the conditions of water supply. With optimal water supply, the positive effect of selenium on the yield of spring wheat plants was revealed with both methods of applying sodium selenite. It was found that in conditions of drought, the positive effect of selenium was obtained with both methods of using sodium selenite. The greatest efficiency of selenium is obtained in foliar processing of plants. The increase in grain weight in this variant was 1.4 times. The increase in the share of the agronomic significant part of the wheat crop yield to 36% is shown, which indicates the decrease in the negative effect of drought on the formation of spring wheat yield when using foliar processing of plants.
Polymer-loaded three dimensional microwave cavities for hybrid quantum systems
Authors: Ruether Myles , Potts Clinton A , Davis John P , LeBlanc Lindsay J 
Published: November 2021

Abstract
Microwave cavity resonators are crucial components of many quantum technologies and are a promising platform for hybrid quantum systems, as their open architecture enables the integration of multiple subsystems inside the cavity volume. To suspend these subsystems within the centre of a cavity where field strengths are strong and uniform, auxiliary support structures are often required, but the effects of these structures on the microwave cavity mode are difficult to predict due to a lack of a priori knowledge of the materials’ response in the microwave regime. Understanding these effects becomes even more important when frequency matching is critical and tuning is limited, for example, when matching microwave modes to atomic resonances for atomic vapour cells inside enclosed microwave cavities. Here, we study the microwave cavity mode in the presence of three commonly-used machinable polymers, paying particular attention to the change in resonance and the dissipation of energy. We demonstrate how to use the derived dielectric coefficient for cavity design in a test case, wherein we match a polymer-filled 3D microwave cavity to a hyperfine transition in rubidium.
Mary the goddess?
Authors: Leith Mary Joan Winn 
Published: November 2021

Abstract
‘Mary the goddess?’ considers the question of whether the Virgin Mary is a goddess. According to official Christian theology throughout the centuries, Mary is not and cannot be a goddess. Nevertheless, Christian piety has at times followed a separate track from official theology by treating Mary as a goddess. It is worth considering here the oft-noted parallels between the Virgin Mary and Graeco-Roman goddesses, the history of the Black Madonna, and contemporary forms of goddess-centred spirituality.
Eastern Mary—Byzantium and Islam
Authors: Leith Mary Joan Winn 
Published: November 2021

Abstract
‘Eastern Mary—Byzantium and Islam’ examines Marian ideals in Byzantine Christianity as well as the Islamic view of Maryam, which reflects and rejects the Byzantine worldview from which Islam partly emerged. It was in the east that Christians celebrated the first Marian festivals and dedicated the earliest Marian churches. A Byzantine icon serves to illustrate key ideas about Mary as they developed in the east, where the first Marian relics were also discovered and venerated. Muslims revere Al-ʿAdhraʾ (the Virgin) as a model of piety, following the lead of the Prophet Muhammad, who stated that Maryam was one of the four spiritually perfect women in Paradise. There are a number of famous texts in the Qur’an devoted to Mary, a significant factor in Islam’s high regard for Mary and Jesus.
Modern Mary—Reformation to the present
Authors: Leith Mary Joan Winn 
Published: November 2021

Abstract
‘Modern Mary—Reformation to the present’ looks at the Virgin Mary from the Protestant Reformation of the 16th century to the present. During this period Mary was often at the centre of conflicts over religious ideals that contributed to the Enlightenment. The Catholic Council of Trent reaffirmed Mary’s perpetual virginity, intercession, pilgrimage, and relics. Catholic Marian beliefs were shaped by some of the misgivings that Protestants had voiced about Catholic views of Mary. The rosary and apparitions of Mary illustrate Catholic views of Mary after the Council of Trent. The so-called ‘Marian Century’ began in 1854 with Pope Pius IX’s declaration of Mary’s Immaculate Conception effectively ended in 1965 with the church reforms of Vatican II. Marian spirituality in the 21st century have taken often surprising directions.
Definitions and justifications
Authors: Whatmore Richard 
Published: November 2021

Abstract
‘Definitions and justifications’ describes the history of political thought as a recent field of research. Historically, however, every society has formulated histories of political thought from the anodyne to the systematic. The past, where politics has been closely entwined with the worship of deities on whom the survival of a society depends, is also very relevant here. If national myths in culture justify combat or describe thwarted destinies in history, these beliefs will be reflected in the history of political thought. There is the perceived history of decline that can lead to the transformation of politics, which is manifested among nations that fell behind European states during the nineteenth century.
Individual participant data meta-analysis with mixed-effects transformation models
Authors: Tamási Bálint , Crowther Michael , Puhan Milo Alan , Steyerberg Ewout W , Hothorn Torsten 
Published: November 2021

SummaryOne-stage meta-analysis of individual participant data (IPD) poses several statistical and computational challenges. For time-to-event outcomes, the approach requires the estimation of complicated nonlinear mixed-effects models that are flexible enough to realistically capture the most important characteristics of the IPD. We present a model class that incorporates general normally distributed random effects into linear transformation models. We discuss extensions to model between-study heterogeneity in baseline risks and covariate effects and also relax the assumption of proportional hazards. Within the proposed framework, data with arbitrary random censoring patterns can be handled. The accompanying $\textsf{R}$ package tramME utilizes the Laplace approximation and automatic differentiation to perform efficient maximum likelihood estimation and inference in mixed-effects transformation models. We compare several variants of our model to predict the survival of patients with chronic obstructive pulmonary disease using a large data set of prognostic studies. Finally, a simulation study is presented that verifies the correctness of the implementation and highlights its efficiency compared to an alternative approach.
Statins for primary prevention among elderly men and women
Authors: Bergami Maria , Cenko Edina , Yoon Jinsung , Mendieta Guiomar , Kedev Sasko , Zdravkovic Marija , Vasiljevic Zorana , Miličić Davor , Manfrini Olivia , van der Schaar Mihaela , Gale Chris P , Badimon Lina , Bugiardini Raffaele 
Published: November 2021

Abstract

Aims
We undertook a propensity match-weighted cohort study to investigate whether statin treatment recommendations for statins translate into improved cardiovascular (CV) outcomes in the current routine clinical care of the elderly.

Methods and results
We included in our analysis (ISACS Archives -NCT04008173) a total of 5619 Caucasian patients with no known prior history of CV disease who presented to hospital with a first manifestation of CV disease with age of 65 years or older. The risk of ST-segment elevation myocardial infarction (STEMI) was much lower in statin users than in non-users in both patients aged 65–75 years [14.7% absolute risk reduction; relative risk (RR): 0.55, 95% CI 0.45–0.66] and those aged 76 years and older (13.3% absolute risk reduction; RR: 0.58, 95% CI 0.46–0.72). Estimates were similar in patients with and without history of hypercholesterolaemia (interaction test; P-values = 0.24 and 0.35). Proportional reductions in STEMI diminished with female sex in the old (P for interaction = 0.002), but not in the very old age (P for interaction = 0.26). We also observed a remarkable reduction in the risk of 30 day mortality from STEMI with statin therapy in both age groups (10.2% absolute risk reduction; RR: 0.39; 95% CI 0.23–0.68 for patients aged 76 or over and 3.8% absolute risk reduction; RR 0.37; 95% CI 0.17–0.82 for patients aged 65–75 years old; interaction test, P-value = 0.46).

Conclusions
Preventive statin therapy in the elderly reduces the risk of STEMI with benefits in mortality from STEMI, irrespective of the presence of a history of hypercholesterolaemia. This effect persists after the age of 76 years. Benefits are less pronounced in women. Randomized clinical trials may contribute to more definitively determine the role of statin therapy in the elderly.
Joint inversion of seismic slopes, traveltimes and gravity anomaly data based on structural similarity
Authors: Liu Jie , Zhang Jianzhong 
Published: November 2021

SUMMARY
Attention is paid to joint inversion of multiple geophysical data because of its advantages on weakening the non-uniqueness of inversion and further enhancing comprehensive interpretation. Due to the good correlation between rock velocity and density, seismic and gravity data have been widely used in joint inversion. However, the joint inversion of pre-stack seismic reflection and gravity data remains underdeveloped at the exploration scale. Without a quantitive relation between velocity and density, we develop a structure-based joint inversion using seismic reflection traveltimes, slopes and Bouguer gravity anomaly data simultaneously for building both velocity and density models. In our method, cubic B-spline interpolation is used to parametrize the common knots of velocity and density models. Incorporating seismic slopes into the joint inversion framework, we build a composite objective function which minimizes the weighted-sum of seismic/gravity data misfits, regularization and structural constraint terms. By subdividing the knot spacing, a multiscale strategy is alternative to increase the stability of inversion. First, we describe the methodology, followed by three synthetic examples to illustrate the feasibility and benefits of the method. Examination of the convergence curves via inversion suggests that the desired solution is more likely to be obtained with gentle convergence of each term, thus it can be used as an indicator for weight adjustment. Additionally, locations of scattering points and acoustic impedance can be obtained as by-products. Compared with the inversion of the respective data, the joint inversion exhibits the complementary characteristics of seismic and gravity data, improves the distribution and structural features of the resulting physical properties, especially in deep and complex tectonic situations.
Stochastic mathematical models for the spread of COVID-19: a novel epidemiological approach
Authors: Mourad Ayman , Mroue Fatima , Taha Zahraa 
Published: November 2021

Abstract
In this paper, three stochastic mathematical models are developed for the spread of the coronavirus disease (COVID-19). These models take into account the known special characteristics of this disease such as the existence of infectious undetected cases and the different social and infectiousness conditions of infected people. In particular, they include a novel approach that considers the social structure, the fraction of detected cases over the real total infected cases, the influx of undetected infected people from outside the borders, as well as contact-tracing and quarantine period for travellers. Two of these models are discrete time–discrete state space models (one is simplified and the other is complete) while the third one is a continuous time–continuous state space stochastic integro-differential model obtained by a formal passing to the limit from the proposed simplified discrete model. From a numerical point of view, the particular case of Lebanon has been studied and its reported data have been used to estimate the complete discrete model parameters, which can be of interest in estimating the spread of COVID-19 in other countries. The obtained simulation results have shown a good agreement with the reported data. Moreover, a parameters’ analysis is presented in order to better understand the role of some of the parameters. This may help policy makers in deciding on different social distancing measures.
Paid and unpaid work productivity loss associated with treated hypertension in Southern Ethiopia: a patient-level analysis
Authors: Sorato Mende Mensa , Davari Majid , Kebriaeezadeh Abbas , Sarrafzadegan Nizal , Shibru Tamiru 
Published: November 2021

Abstract

Objective
Hypertension-related illness increases healthcare expenditure and reduces productivity. There is inadequate information about work productivity loss associated with hypertension in Ethiopia. This study was conducted to determine the extent of paid and unpaid worker productivity loss among adult hypertensive patients in Southern Ethiopia. Facility-based descriptive cross-sectional study was conducted by using the valuation of lost productivity (VOLP) tool adapted to the Ethiopian context. The data entry and analysis were done by using Microsoft Excel 2013 and SPSS version 21.0.

Key findings
A total of 301 adult hypertensive patients on regular follow-up at selected public hospitals were included in this study. One hundred ninety-five patients were females with a mean age of 50.7 ± 7.3 years. Less than one in five 39 (13.0%) of patients achieved their BP control target. Fifty-three (17.7%) of patients reported that hypertension reduced their work performance by 50%. One hundred twenty-five (60.1%) patients reported that they would complete the same work in less time, if they have no health problem. After adjusting for team impact and work substitutability, 3247.4 USD and 1844.81 USD were lost per month from paid and unpaid work. Overall annual work productivity loss was 38 968.4 USD, and the percentage of lost productivity per month was 18.7%.

Summary
Hypertension reduced the work productivity of adults by one-fifth. Therefore, it is important to devise strategies by involving all relevant stakeholders for preventing hypertension to save this productivity loss. In addition to this, improving the blood pressure control rate could help to reduce associated productivity loss.
Leiomyosarcoma of the chest wall mimicking schwannoma resected by a video-assisted thoracoscopic approach: a case report
Authors: Yamamoto Saki , Hirose Masahide , Oyaizu Takeshi , Muramatsu Aya , Suzuki Makoto , Ohta Shinichiro 
Published: November 2021

Abstract
Chest wall sarcomas account for &lt;20% of all soft tissue sarcomas of which leiomyosarcomas represent only 1–4%. We report a case of thoracic leiomyosarcoma that resembled schwannoma in preoperative image studies. A 79-year-old man presented to our hospital with a chest wall tumor that increased in size over 3 months. Computed tomography of the chest revealed a 3-cm mass arising from the chest wall. Thoracic magnetic resonance imaging showed a solid tumor that was hypo-intense on T1-weighted imaging and iso-intense on T2-weighted imaging. Chest wall resection was performed using a video-assisted thoracoscopic approach after a frozen section examination revealed sarcoma. The histological diagnosis was leiomyosarcoma. Liver and multiple lung metastases were detected 5 years after surgery. Malignant tumors should be considered in any patient with chest wall tumors. The thoracoscopic approach could be an optimal treatment for chest wall tumor.
Automated algorithms to build active galactic nucleus classifiers
Authors: Falocco S , Carrera F J , Larsson J 
Published: November 2021

ABSTRACTWe present a machine learning model to classify active galactic nuclei (AGNs) and galaxies (AGN-galaxy classifier) and a model to identify type 1 (optically unabsorbed) and type 2 (optically absorbed) AGN (type 1/2 classifier). We test tree-based algorithms, using training samples built from the X-ray Multi-Mirror Mission–Newton (XMM–Newton) catalogue and the Sloan Digital Sky Survey (SDSS), with labels derived from the SDSS survey. The performance was tested making use of simulations and of cross-validation techniques. With a set of features including spectroscopic redshifts and X-ray parameters connected to source properties (e.g. fluxes and extension), as well as features related to X-ray instrumental conditions, the precision and recall for AGN identification are 94 and 93 per cent, while the type 1/2 classifier has a precision of 74 per cent and a recall of 80 per cent for type 2 AGNs. The performance obtained with photometric redshifts is very similar to that achieved with spectroscopic redshifts in both test cases, while there is a decrease in performance when excluding redshifts. Our machine learning model trained on X-ray features can accurately identify AGN in extragalactic surveys. The type 1/2 classifier has a valuable performance for type 2 AGNs, but its ability to generalize without redshifts is hampered by the limited census of absorbed AGN at high redshift.
The histone H3K27 demethylase REF6/JMJ12 promotes thermomorphogenesis in Arabidopsis
Authors: He Kaixuan , Mei Hailiang , Zhu Jiaping , Qiu Qi , Cao Xiaofeng , Deng Xian 
Published: November 2021

Abstract
Dynamic trimethylation of histone H3 at Lys27 (H3K27me3) affects gene expression and controls plant development and environmental responses. In Arabidopsis thaliana, RELATIVE OF EARLY FLOWERING 6 (REF6)/JUMONJI DOMAIN-CONTAINING PROTEIN 12 demethylates H3K27me3 by recognizing a specific DNA motif. However, little is known about how REF6 activates target gene expression after recognition, especially in environmental responses. In response to warm ambient temperature, plants undergo thermomorphogenesis, which involves accelerated growth, early flowering and changes in morphology. Here we show that REF6 regulates thermomorphogenesis and cooperates with the transcription factor PHYTOCHROME INTERACTING FACTOR 4 to synergistically activate thermoresponsive genes under warm ambient temperature. The ref6 loss-of-function mutants exhibited attenuated hypocotyl elongation at warm temperature, partially due to downregulation of GIBBERELLIN 20-OXIDASE 2 and BASIC HELIX-LOOP-HELIX 87. REF6 enzymatic activity is necessary for warm ambient temperature responses. Together, our results provide direct evidence of an epigenetic modifier and a transcription factor working together to respond to the environment.