bluuebunny/crossref_metadata_2025 huggingface dataset:
Implementation and Evaluation of Self-directed Learning Activity in Biochemistry for First-Year MBBS Students
Authors: Thota Silpa , Nimmanapalli Harini Devi , Bitla Aparna R
Published: August 2022

Background: Self-directed learning (SDL) is an essential teaching-learning method for transforming medical students into lifelong learners. In SDL, learners are responsible for undergoing their learning process and gradually shifting learning control from teacher to themselves. However, First-year MBBS students are in need of receiving training and support to become self-directed learners. Hence, the present study aimed to evaluate the outcomes of adopting SDL alone as well as supplementing SDL with a lecture for first-year MBBS students in biochemistry. Objectives: Implementation of self-directed learning activity in Biochemistry and evaluation of its outcome for first-year MBBS students. Methods: A Cohort study was carried out to investigate first-year MBBS students in the Department of Biochemistry at SVIMS, Tirupati. The study was conducted in two sessions. In session one, Lecture cum SDL was implemented; whereas in session two, only SDL was employed. A pre-and post-test was performed before and after completion of both sessions. Pre- and post-test answer sheets were evaluated, and students’ perception forms were analysed. Results: There was a statistically significant increase in post-test scores compared to pre-test scores. Moreover, there was a statistically significant increase in post-test scores of Lecture cum SDL session compared to post-test scores of SDL session alone. Conclusions: Overall performance of the students was improved when a topic was taken as a didactic lecture followed by an SDL session; this may have been indicative of an improvement in learning outcomes when adopting SDL module.
Louis Dupré, Dialectical Humanist
Authors: Anderson Kevin B. ,   Philosophy Documentation Center
Published: August 2022

Louis Dupré’s death marks the passing of a philosopher who made a profound contribution to the study of Marx, Hegel, and the wider tradition, and who needs to be reread today. This memoriam acknowledges his importance through placing him in conversation with the great Marxist humanist Raya Dunayevskaya.
Guidelines for the revision and use of revised psychological tests: A systematic review study
Authors: Cronje Johan H. , Watson Mark B. , Stroud Louise-Anne
Published: August 2022

Tests are updated and revised periodically in order to remain current, valid and reliable in a competitive psychological testing industry. Despite the prevalence of test revisions, especially in recent years, a number of authors have commented on the lack of comprehensive guidelines for test revision. Whilst some guideline documents from test associations have mentioned test revision, these guidelines tend to be focussed on test user responsibility, with limited guidance for practitioners embarking on a test revision project. Test revision is expensive and time consuming, leaving little scope for experimentation or trial-and-error. Test revision deserves a comprehensive document that addresses aspects such as what the different types of revision are, when to embark on a revision, what process to follow and how test users should use revised tests. The current study developed a comprehensive and practical set of 23 guidelines across ten phases of a revision project to assist revision teams, test users and publishers. These guidelines were peer-reviewed and refined.
Brain Waves Reflect Cognition-Emotion State as a Diagnostic Tool for Intervention in Dysfunctional States: A Real-World Evidence
Authors: Mayoral-Rodrígez Sílvia , Pérez-Alvarez Frederic , Timoneda-Gallart Carme
Published: August 2022

Objective: This study aims to characterize electrical signals to establish a diagnosis of cognitive-emotional dysfunction and guide a successful therapeutic intervention. Therefore, the present study aimed to observe these frequency bands in a sample of dysfunctional neurological behaviors to establish a neural marker of neural dysfunction that helps diagnose and monitor treatment.

Methods: A descriptive retrospective (extracted from the database) observational study design based on real-world historical data from routine clinical practice. According to DSM-5, low academic achievement (n =70), disruptive behavior (externalizing behavior problems) (n=70), and somatic syndrome disorder (n=70) were the subjects. The mean age of the sample was 14.13 (SD = 1.46; range 12-18), 31.5% women. The measuring instrument was the NeXus-10, which is suitable for acquiring a wide range of physiological signals. Brain electrical activity was recorded by using the quantitative electroencephalograph (qEEG) in accordance with the 10-20 International Electrode Placement System. In particular, the specific form of miniQ (mini-qEEG) was used.

Results: A pattern record present in all cases were identified. The record refers to (a) activity along the midline, namely, Fz-Cz-Pz, (b) activity from the center (Cz) to back, namely, Pz-O1 and O2, (c) activity from the center (Cz) forward (Fz), and (d) comparison between hemispheres. The characteristics of theta, alpha, and beta waves define the characteristic pattern of neurological dysfunction. The reversal of the dysfunctional pattern coincided with the remission of the clinical symptoms after treatment, which occurred in 87,6% of the subjects. We define remission as not meeting DSM-5 criteria.

Conclusion: This study suggests that miniQ register could be considered a simple and objective tool for studying neurological dysfunction. This dysfunction is explained according to current neurological knowledge of interactive cognition-emotion processing. MiniQ may be a cheap and reliable method and a promising tool for the investigation in the field.
Methodological Considerations on Psychological Diagnosis and Consulting in Clinical Settings
Authors: Carmela Mento , Flavia Perrone , Vittorio Lenzo , Catena Silvestri Maria
Published: August 2022

Background: The interest of diagnosis in clinical psychology is growing, but psychological diagnosis is a complex construct to describe because it is not a static process. It can be subject to change due to continuous evolutions/involutions present in a person’s psychic life. This review aims to describe the concept of psychological-clinical diagnosis.

Method: We have carried out, following PRISMA guidelines, a systematic review of literature on Pubmed. Data for this systematic review have been collected in compliance with the reporting elements used for systematic reviews and metanalysis. Search terms were "Psychological diagnosis” AND “Psychological formulation”.

Results: Psychological diagnosis can be defined as a process through which clinicians aim to know people's psychic functioning to investigate conscious and unconscious, healthy or pathological psychic dimensions. Psychological diagnosis has great importance in the clinical setting.

Conclusion: Psychological diagnosis can be carried out at different levels, according to the context in which it is applied, using a multi-instrumental and multidimensional to investigate the state of an individual's functioning. The literature about this topic is poor and often connected to psychiatric diagnosis, which reduces its particular features. In light of this, it is important to give an overview of the concept of psychological-clinical diagnosis.
Train the Teacher: Practical guidance for effective, critical teaching approaches for science and data librarians
Authors: Bresnahan Megan M. , Brown Dianne N.
Published: August 2022

This article describes an approach to guiding science and data librarians in their development as teachers, and it outlines practical skills that are important for effective teaching in the context of science information and data literacies. The authors designed and delivered two workshops for science and data librarians. In each workshop, participants explored foundational learning theories and practical tools for teaching more effectively, including lesson planning, writing learning outcomes, designing classroom activities, assessing learning, managing the classroom, and reflecting on teaching. The workshop has evolved to introduce critical pedagogical approaches as well. Based on the content of these workshops, participant feedback, and the authors’ experiences, we detail practical, on-the-ground strategies for designing and facilitating effective information and data literacy instruction for STEM audiences. As partners in science education, librarians need practical educational opportunities to hone their teaching skills and develop a teacher identity.
Migrating a Journal Platform: Stars Wars and a New Future
Authors: Raboin Regina Fisher
Published: August 2022

Moving to a new journal platform brings opportunities toevolve services so that users and the publishing team will benefit. There aremany people involved in this type of migration, the vendor, authors who havewaited patiently for their article to be published, but most importantly is theteam who have spent years to make this new platform a reality.
Impact of COVID-19 primary healthcare service restrictions on patients with chronic obstructive pulmonary disease in Cape Town, South Africa
Authors: Farrant L , Harding R , Nkhoma K , Mzimkulu O , Hunter J , Gwyther L
Published: August 2022

Background. Patients with chronic obstructive pulmonary disease (COPD) typically experience multidimensional symptoms throughout the course of their disease, with burdensome physical symptoms, social isolation, and additional psychological suffering. COVID-19 lockdown resulted in restrictions on chronic care delivery at primary healthcare (PHC) facilities, and it is not known what the care experiences of patients with COPD were during this time.Objectives. To describe patient experiences of the impact of the lockdown on their needs and their experiences of the primary care received for their COPD.Methods. The data reported in this paper are from a cohort of 49 patients with COPD receiving primary care, recruited in February and March 2020, before recruitment was paused for COVID-19 lockdown, for a feasibility stepped-wedge hybrid type II design randomised controlled trial of integrated person-centred palliative care in primary care for patients with COPD in Cape Town, South Africa. Data are open-text responses from participants who responded to a single question on a validated measure of primary care consultation empathy (CARE), and describe patient experiences of the impact of the lockdown on the primary care received for their COPD, prior to crossover to trial intervention.Results. Thirty-two patients with COPD gave between 1 and 9 responses each to the open-ended question between March and December 2020. The average age of the participants was 58.6 years, and 53.1% (n=17) were female. Inductive analysis of the open-text data identified four main themes. Participants described decreased access to chronic care and a desire for more person-centred care in interactions with healthcare professionals. The socioeconomic ramifications of the COVID-19 lockdown added to the burden they experienced.Conclusion. The COVID-19 lockdown PHC service restrictions caused a disruption to the continuity of care for patients with COPD, with associated worry, anxiety and disappointment. Medication access was largely supported by the home delivery of chronic medication. We suggest that there are opportunities for providing more sustained support for patients with COPD through referrals to community health workers, and also through telephonic patient follow-up by primary care teams
The introduction of competency-based medical education for postgraduate training in South Africa
Authors: Nel D , Burch V , Adam S , Ras T , Mawela D , Buch E , Green-Thompson L
Published: August 2022

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Própolis e geoprópolis: uma herança das abelhas
Authors: Sforcin José Maurício , Conti Bruno José , Santiago Karina Basso , Cardoso Eliza de Oliveira , Conte Fernanda Lopes , Oliveira Lucas Pires Garcia , Araújo Maria José Abigail Mendes
Published: August 2022

As abelhas são observadas pelo ser humano desde a Antiguidade. Elas atuam como agentes determinantes na polinização de muitas espécies vegetais e, desse modo, desempenham papel fundamental na preservação da diversidade de plantas floríferas e asseguram a produção mundial de alimentos. Atualmente, elas também têm importância econômica, pois são essenciais para a apicultura. Neste livro, diversos especialistas apresentam novas investigações sobre o potencial biológico de dois importantes produtos dessa indústria: a própolis e a geoprópolis. A própolis é um material resinoso, produzido por abelhas africanizadas e por abelhas sem ferrão (meliponíneos) e apresenta inúmeras propriedades biológicas. A geoprópolis é produzida por abelhas indígenas ou sem ferrão e é ainda pouco conhecida pela comunidade geral. O leitor acadêmico ou leigo encontrará aqui reunidas informações sobre essas abelhas e atividades biológicas, efeitos colaterais, recomendações de uso, versões comerciais disponíveis e novas estratégias terapêuticas desses produtos.
Examination of Exopolysaccharides from Porphyridium cruentum for Estimation of Their Potential Antitumour Activity in Vitro
Authors: Ivanova Juliana , Konstantinidou Angeliki , Kabaivanova Lyudmila , Georgieva Ani , Vladov Ivelin , Petkova Svetlozara
Published: August 2022

Globally, research is being conducted focusing on new biologically active substances and technologies for their application in various sectors, in the hope that their biological and medical applications will be widely used in the next decade.

The introduction of therapeutic agents of biological origin isolated from certain species of bacteria and algae and their potential for cancer treatment is based on their lower toxicity and hence greater safety compared to synthetic pharmaceuticals. In this respect, the potential of microbial producers and microalgae is enormous. Among the biologically active components isolated from algae of the greatest importance for biology and medicine are complex polysaccharides, as well as some pigments.

In the present work, the antitumour properties of two fractions of polysaccharides from the red microalgae Porphyridium cruentum were observed by determining their effect on cell viability of four different cell lines.

New data from the study indicate that samples treated with P. cruentum polysaccharide have significant and dose-dependent antiproliferative and cytotoxic effects. Changes in nuclear morphology in MCF-7 tumour cells induced by polysaccharide treatment, including chromatin condensation, nucleus fragmentation, and apoptotic body formation, have been demonstrated. Polysaccharides show obvious pharmacological effects in the treatment of tumour cells without side effects.
Tissue Oxygenation Measurement in Patients with Sepsis Compared to the Lactate Levels and Hemodynamical Monitoring
Authors: Marinova Ralitza , Groudeva Violeta , Krastev Plamen
Published: August 2022

Near-infrared spectroscopy (NIRS) is a noninvasive method for measuring tissue oxygenation. The method allows for monitoring tissue perfusion in shock by revealing tissue hemoglobin oxygen saturation (StO2). The current study aims to compare tissue oxygenation levels with hemodynamical monitoring and lactate levels in patients in severe shock. Study encompasses 19 patients treated in intensive care unit (ICU) at Alexandrovska University Hospital. Ten of the patients cover the criteria for severe sepsis, the remaining nine patients have no data for septic condition. In both groups of patients tissue oxygenation levels measured with INVIOS monitor, mean arterial pressure (MAP), oxygen saturation in mixed venous blood (SvO2) and lactate levels within 72 h of intensive care unit admission are compared. The patients with severe sepsis have significantly lower levels of StO2 in comparison with patients without sepsis. Tissue oxygenation levels correspond to the mean arterial pressure levels, oxygen saturation in mixed venous blood. StO2 levels in the current study do not correlate significantly with the lactate levels in patients with sepsis. Near-infrared spectroscopy as StO2 levels correlate with the hemodynamical monitoring in patients with severe sepsis, but do not correlate significantly with the severity of the disease. This data might indicate that tissue oxygenation monitoring has clinical significance in patients with sepsis. Further profound studies are necessary for assessing the role of tissue oxygenation monitoring in the early phase of resuscitation in septic patients.
Quantifying dynamic facial expressions under naturalistic conditions
Authors: Jeganathan Jayson , Campbell Megan , Hyett Matthew , Parker Gordon , Breakspear Michael
Published: August 2022

Facial affect is expressed dynamically – a giggle, grimace, or an agitated frown. However, the characterisation of human affect has relied almost exclusively on static images. This approach cannot capture the nuances of human communication or support the naturalistic assessment of affective disorders. Using the latest in machine vision and systems modelling, we studied dynamic facial expressions of people viewing emotionally salient film clips. We found that the apparent complexity of dynamic facial expressions can be captured by a small number of simple spatiotemporal states – composites of distinct facial actions, each expressed with a unique spectral fingerprint. Sequential expression of these states is common across individuals viewing the same film stimuli but varies in those with the melancholic subtype of major depressive disorder. This approach provides a platform for translational research, capturing dynamic facial expressions under naturalistic conditions and enabling new quantitative tools for the study of affective disorders and related mental illnesses.
A multi-intent based multi-policy relay contrastive learning for sequential recommendation
Authors: Di Weiqiang
Published: August 2022

Sequential recommendations have become a trending study for their ability to capture dynamic user preference. However, when dealing with sparse data, they still fall short of expectations. The recent contrastive learning (CL) has shown potential in mitigating the issue of data sparsity. Many item representations are destined to be poorly learned due to data sparsity. It is better to pay more attention to learn a set of influential latent intents that have greater impacts on the sequence evolution. In this article, we devise a novel multi-intent self-attention module, which modifies the self-attention mechanism to break down the user behavior sequences to multiple latent intents that identify the different tastes and inclinations of users. In addition to the above change in the model architecture, we also extend in dealing with multiple contrastive tasks. Specifically, some data augmentations in CL can be very different. Together they cannot cooperate well, and may stumbling over each other. To solve this problem, we propose a multi-policy relay training strategy, which divides the training into multiple stages based on the number of data augmentations. In each stage we optimize the relay to the best on the basis of the previous stage. This can combine the advantage of different schemes and make the best use of them. Experiments on four public recommendation datasets demonstrate the superiority of our model.
An insight into the invasion of breast ductal carcinoma in situ based on clinical, pathological and hematological data
Authors: Liu Yanbiao , Jin Zining , Yu Xinmiao , Zheng Ang , Jin Feng , Wang Xu
Published: August 2022

Background

Ductal carcinoma in situ (DCIS) has become a non-negligible part of breast cancers owing to the greatly increased incidence. While its natural history was not fully elucidated, which is the reason for current controversies in clinical treatment. Exploration of this issue from a clinical perspective is meaningful.

Methods

Medical records of 389 patients diagnosed with DCIS or DCIS with invasive ductal carcinoma (IDC) were reviewed. All of them received appropriate medical care in our center. All 324 patients in training cohort were divided into invasion and non-invasion groups based on pathology. Differences in DCIS immunohistochemical markers and hematological indicators between them were analyzed. In the invasion group, differences between DCIS and matched IDC were compared to explore changes in the tumor heterogeneity during invasion. Conclusions are validated in the validation cohort of 65 patients.

Results

Patients in invasion and non-invasion groups were balanced in baseline characteristics and no statistically significant differences were noticed for DCIS immunohistochemical markers. For hematological indicators, high expression of platelet >291.50) (odds ratio, 2.46; CI [1.35–4.46]; p = 0.003) and SII (>347.20) (odds ratio, 2.54; CI [1.56–4.12]; p < 0.001) were established as independent predictors for invasion by logistic analysis and were validated in the validation cohort. Ki-67 of IDC was significantly higher than that of matched DCIS (p < 0.001). HER2 expression and histological grade of DCIS were separately linearly related to those of IDC.

Conclusion

The change in hematological indicators is an independent predictor for invasion and can be incorporated into the treatment decision-making process for DCIS. Invasion tumor cells exhibit a stronger proliferative capacity compared with the in-situ ones. There are linear relationships in HER2 expression and histological grades between DCIS and matched IDC. DCIS subclones with different histological grades will develop into invasive carcinomas separately.
Numerical modelling of concrete tunnels exposed to rock fall
Authors:   Department of Civil Engineering, Engineering Faculty, Cukurova University, Adana (Turkiye), Bağrıaçık Baki , Altay Gökhan ,   Department of Civil Engineering, Engineering Faculty, Osmaniye Korkut Ata University, Osmaniye (Turkiye), Önal Suat ,   Department of Civil Engineering, Engineering Faculty, Osmaniye Korkut Ata University, Osmaniye (Turkiye), Kayadelen Cafer ,   Department of Civil Engineering, Engineering Faculty, Osmaniye Korkut Ata University, Osmaniye (Turkiye)
Published: August 2022

Tunnel entrances are among the most likely places for rock fall events. For this reason, concrete tubes are constructed before tunnel entrances against rock falls. In this study, the normal stress and the deformation in both horizontal and vertical directions occurred by crashing rock on concrete tunnel tubes were investigated using finite element method in three dimensional conditions. Different velocities and masses of falling rock analyzed to demonstrate effect of velocity on normal stress and deformations. It was observed that deformations on the concrete tube increased as the impact energy increased due to increasing velocity and mass. The mass of crashed rock, M, is changes from 3 kN to 200 kN and peak deformations could reach approximately 150 cm when the mass of falling rock was M=200 kN and V = 30 m/s. When the velocity of rock V=10 m/s just before the impact, the ratios of deformations to rock mass of 3 kN, 25 kN, and 200 kN were approximately 0.00066 m/kN, 0.0014 m/kN and 0.00175 m/kN, respectively.
Investigation of physical properties of base and SBS modified bitumens by rheological test methods
Authors:   Department of Civil Engineering, Ege University, Izmir (Türkiye), Gunay Taylan
Published: August 2022

Bitumen is modified with various modifiers to diminish the deformation occurred in flexible pavements due to traffic loads and the effects of climate. Polymer modification and more specifically Styrene-Butadiene-Styrene (SBS) copolymer modification is one of the most common methods to enhance the physical properties of bitumen. However, the polymer modified bitumens could exhibit different rheological properties compared to original bitumen. In this work, it is aimed to investigate the effects of SBS copolymer on thermorheological properties of bitumen by means of state of art test methods. To this end, a rheological program including small amplitude oscillation shear test (SAOS), construction of master curves by using time-temperature superposition (TTS) principle, determination of zero shear viscosity (ZSV) and multiple shear creep recovery tests (MSCR) were employed along with other fundamental tests. SAOS test result signifies a positive effect of SBS on the viscoelastic deformation nature of bitumen. The master curves of the complex viscosity of binders reveal that SBS modifier reduced the Newtonian flow properties of bitumen. The decrements in non-recoverable creep compliance and the increment in percent recovery signify that SBS modifier has dramatically enhanced the applicability of bitumen as a binder in flexible pavement at mid to high-temperature ranges.
Improving flexible pavement performance through suitable aggregate gradation
Authors:   Department of Civil Engineering, Dokuz Eylul University, TR (Türkiye), Shakhan Mohammad Razeq , Topal Ali ,   Department of Civil Engineering, Dokuz Eylul University, TR (Türkiye), Sengoz Burak ,   Department of Civil Engineering, Dokuz Eylul University, TR (Türkiye)
Published: August 2022

The objective of this study was to improve the performance of flexible pavement through suitable aggregate gradation. Thus, initially, the dynamic modulus of asphalt mixtures |E*| for different aggregate gradations were predicted, and suitable aggregate gradation was determined. Then the performance of three different pavement structures for two aggregate gradations (Mid and Suitable), using AASHTOWare Pavement ME Design 2.5. 5, were evaluated for local conditions of Izmir, Turkey. The analysis result revealed that using suitable values compared to middle values increased the |E*| and improved the rutting and fatigue resistance of all pavement structures for any traffic levels. The output of this study can be used as a guide for hot mixed asphalt mix design and pavement design based on Mechanistic-Empirical Pavement Design Guide as well.
Cyclic performance of emulative precast beam to column con-nection with corbel using dowel bar
Authors:   Department of Civil Engineering, PSG College of Technology, Coimbatore, Tamilnadu (India), M Rajeswari , KP Jaya ,   Division of Structural Engineering, Anna University Chennai - CEG campus, Chennai, Tamilnadu (India)
Published: August 2022

The objective of this study is to examine the seismic performance of exterior and interior types of an emulative precast beam to column connection, constructed with grouted steel dowel bar and cast-in-situ concrete under quasi-static reversed cyclic loading. The dowel bar connection between the precast structural elements is achieved by inserting the dowel bar into the column corbel's holes and the precast portion of the beam. To secure the dowel bar's anchorage, these holes are packed with non-shrinkage grout and then cast-in-situ concreting is done in the joint core and the entire upper segment of the precast beam. In the past, particularly after an earthquake in the Emilia-Romagna region of Italy in May 2012 (Ercolino, Magliulo, & Manfredi, 2016), witnessed damage to precast reinforced concrete structures was more likely to occur in the precast beam-column joint section. Hence, it’s essential to improve the performance of the beam-column joint to withstand all possible lateral load combinations, which are to be included in the design and detailing of the precast structural components. This study analyzed an eight-story RC frame building for earthquake loading using Staad.Pro software. The exterior and interior types of proposed beam-column connections were designed and detailed using the design forces and moments computed by the Staad.Pro analysis, in accordance with the Indian standard codes (IS 456, 2000), (IS 1893, 2016)and (IS 13920, 2016). The beam-column joint behavior under quasi-static cyclic loading was studied using one-third scaled-down test specimens, i.e., monolithic (MBC-EJ & MBC-IJ) and emulative beam-column (EBC-EJ & EBC-IJ) exterior and interior joints. In that proposed emulative connection, the structural continuity and compatibility between the precast elements were achieved through the corbel with the dowel bar and cast-in-situ concreting. The test specimen’s ultimate and yield load carrying capacity, energy dissipation capacity, stiffness degradation, and ductility parameters were determined based on the obtained load-displacement hysteresis relationship. Based on the findings, the precast exterior joint specimens (EBC-EJ) were found to be 14.36% more ductile and 13.23% more energy dissipative than monolithic exterior joint specimens (MBC-EJ). Similarly, precast interior joint specimens (EBC-IJ) outperformed monolithic interior joint specimens (MBC-IJ) by 6.27% more ductility and 16.86% more energy dissipation. Therefore, the experimental results confirmed that using grouted dowel bars and wet concreting in the joint area enhances rigidity and structural continuity, as well as improves the ultimate strength of precast connections to a level that closely resembles typical monolithic beam-column joints.
Construction sequence analysis of multi-storey setback building placed in slope with p-delta and time-dependent effects
Authors:   School of Civil Engineering, SASTRA Deemed University, Thanjavur (India), Balaji G.C. , Vivek S.S. ,   School of Civil Engineering, SASTRA Deemed University, Thanjavur (India)
Published: August 2022

Analysis and design of the structure are the most critical steps in the pre-construction steps involved. Nowadays, as technology is well developed, there is plenty of software available to carry over the analysis and design of any structures in a short period. In every software, the building model with all storey will be modelled, and loads are applied to the modelled structure on respective members, and their responses will be studied for the whole structure. But in reality, the building will be constructed in sequence as a step-by-step process, i.e., storey after storey with their respective loads, which may produce different responses. This analysis with sequential loading at each step is called Construction Sequence Analysis (CSA). In the present project work, the ten-storey setback building with a built-up area of 25m x 30m placed on the slope of 10°, assumed to be situated in Darjeeling, is modelled in ETABS software. The loads, namely gravity and lateral loads are applied to the developed model. Then the model is analyzed for different loads and their combinations as prescribed by IS codes. The combinations that produce high response are selected and dead load in those combinations are replaced with three modes: CSA without P-Delta effect, CSA with P-Delta effect, and CSA with P-Delta and Time-dependent effects combined. Thus the model is analyzed with these three additional combinations along with selected conventional load combinations. The various comparisons such as storey displacement, and storey drift between these four combinations of analysis were studied, and results were discussed. The building design is also done based on the analysis performed.
Long-term monitoring of an endangered population of Yellow-bellied Glider Petaurus australis on the Bago Plateau, New South Wales, and its response to wildfires and timber harvesting in a changing climate
Authors: Bilney Rohan J. , Kambouris Peter J. , Peterie Jess , Dunne Craig , Makeham Kelly , Kavanagh Rodney P. , Gonsalves Leroy , Law Brad
Published: August 2022

A population of Yellow-bellied Glider Petaurus australis on the Bago Plateau, on the NSW south-western slopes, was first surveyed across 126 sites in 1995 and this subsequently became the baseline for further population monitoring. A subset of 48 sites was resurveyed in 2010, and about one third of the sites (~40) were surveyed annually on a rotating panel between 2013–2019. Wildfire significantly impacted the Bago Plateau during 2020 and 51 sites were resurveyed post-fire in 2020/21. An occupancy modelling approach was used to estimate trends in occupancy between 1995 and 2020/21, including the influence of various covariates. Initial occupancy was positively associated with the extent of Montane Gums and mixed Wet Peppermint/Montane Gum forest types within a 450 m radius of the survey site. Supported models revealed that colonisation over time was positively associated with the density of hollow-bearing trees at a site, while extinction was positively associated with the extent of high severity wildfire at a site. Despite wide confidence intervals, the long-term occupancy trend showed a stable to slight increase between 1995 and 2019, but a ~26% reduction following wildfire. The increasing trend occurred despite a long-term rainfall deficit that was punctuated by occasional above average years during the survey period. There was no evidence that timber harvesting influenced occupancy by the gliders, although harvesting is predominantly focused within stands containing Alpine Ash Eucalyptus delegatensis, with monospecific stands generally avoided by the glider.
An infinite quantum Ramsey theorem
Authors:   Department of Pure Mathematics, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada, Kennedy Matthew , Kolomatski Taras ,   Mathematics Department, Stony Brook University, Stony Brook, New York, 11794-3651, U.S.A., Spivak Daniel ,   Department of Mathematics, University of Toronto, Toronto, Ontario, M5S 2E4, Canada
Published: August 2022

We prove an infinite Ramsey theorem for noncommutative graphs realized as unital self-adjoint subspaces of linear operators acting on an infinite dimensional Hilbert space. Specifically, we prove that if V is such a subspace, then provided there is no obvious obstruction, there is an infinite rank projection P with the property that the compression PVP is either maximal or minimal in a certain natural sense.
Operator-valued local Hardy spaces
Authors:   Laboratoire de Math{\'e}matiques, Universit{\'e} de Franche-Comt{\'e}, 25030 Besan\c{c}on Cedex, France, \textit{and} Instituto de Ciencias Matem{\'a}ticas, 28049 Madrid, Spain, Xia Runlian , Xiong Xiao ,   Institute for Advanced Study in Mathematics, Harbin Institute of Technology, Harbin, 150001, China \textit{and} Department of Mathematics, Harbin Institute of Technology, Harbin, 150001, China
Published: August 2022

This paper gives a systematic study of operator-valued local\break Hardy spaces, which are localizations of the Hardy spaces defined by Mei. We prove the h1-bmo duality and the hp-hq duality for any conjugate pair (p,q) when p∈(1,∞). We show that h1(Rd,M) and bmo(Rd,M) are also good endpoints of Lp(L∞(Rd)¯¯¯¯⊗M) for interpolation. We obtain the local version of Calder\'on--Zygmund theory, and then deduce that the Poisson kernel in our definition of the local Hardy norms can be replaced by any reasonable test function. Finally, we establish the atomic decomposition of the local Hardy space hc1(Rd,M).
Fell topologies for AF-algebras and the quantum propinquity
Authors:   School of Mathematical and Statistical Sciences, Arizona State University, 901 S. Palm Walk, Tempe, AZ 85287-1804, U.S.A., Aguilar Konrad
Published: August 2022

We introduce a topology on the ideal space of any C∗-inductive limit built by an inverse limit of topologies and produce conditions for when this topology agrees with the Fell topology. With this topology, we impart criteria for when convergence of ideals of an AF-algebra can provide convergence of quotients in the quantum Gromov--Hausdorff propinquity building from previous joint work with Latr\'{e}moli\`{e}re. This bestows a continuous map from a class of ideals of the Boca--Mundici AF-algebra equipped with various topologies, including Jacobson and Fell topologies, to the space of quotients equipped with the propinquity topology.
Nonsurjective maps between rectangular matrix spaces preserving disjointness, triple products, or norms
Authors:   Department of Mathematics, The College of William \& Mary, Williamsburg, VA 13185, U.S.A., Li Chi-Kwong , Tsai Mimg-Cheng ,   General Education Center, Taipei University of Technology 10608, Taiwan, Wang Ya-Shu ,   Department of Applied Mathematics, National Chung Hsing University, Taichung 40227, Taiwan, Wong Ngai-Ching ,   Department of Applied Mathematics, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
Published: August 2022

Let Mm,n be the space of m×n real or complex rectangular matrices. Two matrices A,B∈Mm,n are disjoint if A∗B=0n and AB∗=0m. We show that a linear map Φ:Mm,n→Mr,s preserving disjointness exactly when Φ(A)=U⎛⎜⎝A⊗Q1000At⊗Q2000⎞⎟⎠V,∀A∈Mm,n, for some unitary matrices U∈Mr,r and V∈Ms,s, and positive diagonal matrices Q1,Q2, where Q1 or Q2 may be vacuous. The result is used to characterize nonsurjective linear maps between rectangular matrix spaces preserving (zero) JB∗-triple products, the Schatten p-norms or the Ky--Fan k-norms.
Permanence of stable rank one for centrally large subalgebras and crossed products by minimal homeomorphisms
Authors:   Department of Mathematics, University of Detroit Mercy, Detroit, MI 48221-3038, U.S.A., Archey Dawn E. , Phillips N. Christopher ,   Department of Mathematics, University of Oregon, Eugene, OR 97403-1222, U.S.A.
Published: August 2022

We prove that if A is an infinite dimensional simple separable unital C∗-algebra which contains a centrally large subalgebra with stable rank one, then A has stable rank one. We use this result to prove that the Giol--Kerr examples of minimal homeomorphisms give crossed products with stable rank one but which are not stable under tensoring with the Jiang--Su algebra and are therefore not classifiable in terms of the Elliott invariant.
On the matrix range of random matrices
Authors:   Institut fuer Mathematik und Informatik, Universitaet Greifswald, Walther-Rathenau-Strasse 47, 17487 Greifswald, Germany, Gerhold Malte , Shalit Orr Moshe ,   Faculty of Mathematics, Technion - Israel Institute of Technology, Haifa 3200003, Israel
Published: August 2022

This note treats a simple minded question: \textit{what does a typical random matrix range look like?} We study the relationship between various modes of convergence for tuples of operators on the one hand, and continuity of matrix ranges with respect to the Hausdorff metric on the other. In particular, we show that the matrix range of a tuple generating a continuous field of C∗-algebras is continuous in the sense that every level is continuous in the Hausdorff metric. Using this observation together with known results on strong convergence in distribution of matrix ensembles, we identify the limit matrix ranges to which the matrix ranges of independent Wigner or Haar ensembles converge.
Spectral dissection of finite rank perturbations of normal operators
Authors:   University of California at Santa Barbara, CA U.S.A. and Newcastle University, Newcastle upon Tyne, U.K., Putinar Mihai , Yakubovich Dmitry ,   Departamento de Matematicas, Universidad Autonoma de Madrid, Spain and ICMAT (CSIC - UAM - UC3M - UCM), Cantoblanco 28049, Spain
Published: August 2022

Finite rank perturbations T=N+K of a bounded normal operator N acting on a separable Hilbert space are studied thanks to a natural functional model of T; in its turn the functional model solely relies on a perturbation matrix/characteristic function previously defined by the second author. Function theoretic features of this perturbation matrix encode in a closed-form the spectral behavior of T. Under mild geometric conditions on the spectral measure of N and some smoothness constraints on K we show that the operator T admits invariant subspaces, or even it is decomposable.
Tight decomposition of factors and the single generation problem
Authors:   Mathematics Department, University of California, Los Angeles, CA 90095-1555, U.S.A., Popa Sorin
Published: August 2022

A II1 factor M has the \textit{stable single generation} (\textit{SSG}) property if any amplification Mt, t>0, can be generated as a von Neumann algebra by a single element. We discuss a conjecture stating that if M is SSG, then M has a \textit{tight} decomposition, i.e., there exists a pair of hyperfinite II1 subfactors R0,R1⊂M such that R0∨Rop1=B(L2M). We provide supporting evidence, explain why the conjecture is interesting, and discuss possible approaches to settle it. We also prove some related results.
2-positive almost order zero maps and decomposition rank
Authors:   Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan, Sato Yasuhiko
Published: August 2022

We consider 2-positive almost order zero (disjointness preserving) maps on C∗-algebras. Generalizing the argument of M. Choi for multiplicative domains, we provide an internal characterization of almost order zero for 2-positive maps. In addition, it is shown that complete positivity can be reduced to 2-positivity in the definition of decomposition rank for unital separable C∗-algebras.
The cyclic group and the transpose of an R-cyclic matrix
Authors:   Centro de Investigacion en Matematicas, Guanajuato, Mexic, Arizmendi Octavio , Mingo James A. ,   Department of Mathematics and Statistics, Queen's University, Jeffery Hall, Kingston, Ontario, K7L 3N6, Canada
Published: August 2022

We show that using the cyclic group the transpose of an R-cyclic matrix can be decomposed along diagonal parts into a sum of parts which are freely independent over diagonal scalar matrices. Moreover, if the R-cyclic matrix is self-adjoint then the off-diagonal parts are R-diagonal.
Freeness over the diagonal and global fluctuations of complex Wigner matrices
Authors:   UMI Laboratorio Solomon Lefschetz & Centre National de la Recherche Scientifique, Cuernavaca, 62000, Mexico, Male Camille
Published: August 2022

We characterize the possible limiting 2nd order distributions of certain independent complex Wigner and deterministic matrices thanks to Voiculescu's notions of operator-valued freeness over the diagonal. If the Wigner matrices are Gaussian, Mingo and Speicher's notion of 2nd order freeness gives a universal rule, in terms of marginal 1st and 2nd order distribution. We adapt and reformulate this notion for operator-valued random variables in a 2nd order probability space. The Wigner matrices are assumed to be permutation invariant with null pseudo variance and the deterministic matrices to satisfy a restrictive property.
Dan-Virgil Voiculescu at seventy
Authors:   Department of Mathematics, Indiana University, Bloomington, IN 47405-7106, U.S.A., Bercovici Hari , Dykema Ken ,   Department of Mathematics, Texas A & M University, College Station, TX 77843-3368, U.S.A., Nica Alexandru ,   Department of Pure Mathematics, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
Published: August 2022

We present a biographical sketch of Dan-Virgil Voiculescu as well as a description of some of his contributions to two directions of research that he has pursued over a long period of time. A current list of his publications is included.
Melhor um pássaro na mão do que dois voando? Educação física escolar e lei 13415/2017
Authors: Tenório Jederson Garbin
Published: August 2022

Este trabalho propõe uma análise do atual contexto da Educação Física (EF) escolar diante da aprovação da lei federal nº 13415/2017. Na EF é recorrente à nível de senso comum, a associação da disciplina com a função exclusiva de formação de equipes e combate ao sedentarismo. Essa visão nega o surgimento de abordagens teóricas a partir da década de 1980, que representam a construção de ideias que se contrapõem ao modelo esportivista. A dificuldade em justificar e romper com o paradigma biológico no campo da EF ainda é um obstáculo do campo acadêmico. Como metodologia foi realizada revisão de literatura, caracterizando uma pesquisa eminentemente qualitativa. Com a disputa por espaço no currículo, em função da implantação da Base Nacional Comum Curricular (BNCC), a EF tem uma clara necessidade de definir sua relevância para a formação dos alunos. Assim, considerando a importância de elementos presentes no esporte competitivo é preciso valorizar sua ressonância e ressignificá-lo na escola.
Sex Differences in Atrial Fibrillation Risk
Authors: Siddiqi Hasan K. , Vinayagamoorthy Manickavasagar , Gencer Baris , Ng Chee , Pester Julie , Cook Nancy R. , Lee I-Min , Buring Julie , Manson JoAnn E. , Albert Christine M.
Published: August 2022

Importance

Women have a lower incidence of atrial fibrillation (AF) compared with men in several studies, but it is unclear whether this sex difference is independent of sex differences in prevalent cardiovascular disease (CVD), body size, and other risk factors.

Objective

To examine sex differences in AF incidence and whether AF risk factors differ by sex in a contemporary cohort of men and women without prevalent CVD.

Design, Setting, and Participants

This was a prospective cohort analysis within the Vitamin D and Omega-3 Trial (VITAL) Rhythm Study, a randomized trial that examined the effect of vitamin D and ω-3 fatty acid supplementation on incident AF among men 50 years or older and women 55 years or older without a prior history of prevalent AF, CVD, or cancer at baseline. Data were analyzed from September 29, 2020, to June 29, 2021.

Exposures

Sex, height, weight, body mass index (BMI), body surface area (BSA), and other AF risk factors at study enrollment.

Main Outcomes and Measures

Incident AF confirmed by medical record review.

Results

A total of 25 119 individuals (mean [SD] age, 67.0 [7.1] years; 12 757 women [51%]) were included in this study. Over a median (IQR) follow-up of 5.3 (5.1-5.7) years, 900 confirmed incident AF events occurred among 12 362 men (495 events, 4.0%) and 12 757 women (405 events, 3.2%). After adjustment for age and treatment assignment, women were at lower risk for incident AF than men (hazard ratio [HR], 0.68; 95% CI, 0.59-0.77; P < .001). The inverse association between female sex and AF persisted after adjustment for race and ethnicity, smoking, alcohol intake, hypertension, diabetes (type 1, type 2, gestational), thyroid disease, exercise, and BMI (HR, 0.73; 95% CI, 0.63-0.85; P <.001). However, female sex was positively associated with AF when height (HR, 1.39; 95% CI, 1.14-1.72; P = .001), height and weight (HR 1.49, 95% CI, 1.21-1.82; P <.001), or BSA (HR, 1.25; 95% CI, 1.06-1.49; P = .009) were substituted for BMI in the multivariate model. In stratified models, risk factor associations with incident AF were similar for women and men.

Conclusions and Relevance

In this cohort study, findings suggest that after controlling for height and/or body size, women without CVD at baseline were at higher risk for AF than men, suggesting that sex differences in body size account for much of the protective association between female sex and AF. These data underscore the importance of AF prevention in women.