bluuebunny/crossref_metadata_2025_split huggingface dataset:
Extra-twisted connected sum $$G_2$$-manifolds
Authors: Nordström Johannes 
Published: June 2023

AbstractWe present a construction of closed 7-manifolds of holonomy $$G_2$$

G
2

, which generalises Kovalev’s twisted connected sums by taking quotients of the pieces in the construction before gluing. This makes it possible to realise a wider range of topological types, and Crowley, Goette and the author use this to exhibit examples of closed 7-manifolds with disconnected moduli space of holonomy $$G_2$$

G
2

metrics.
Drug Use, Family Support, and Depressive Symptoms Among Latinx Sexual Minority Men: A Longitudinal Analysis
Authors: del Pino Homero E. , Harawa Nina T. , Shoptaw Steven J. , Schrode Katrina , Karlamangla Arun 
Published: June 2023

AbstractFamily rejection has negative health consequences for Latinx sexual minority men (LSMM). However, LSMM often reconcile with their families, a phenomenon cross-sectional studies miss. We analyzed longitudinal data from the Healthy Young Men’s Study in Los Angeles. We used individual fixed-effects Poisson regression to model changes over time in the associations among family support, drug use, and depressive symptoms. We found that (1) the initiation of drug use was associated with a 7.2% (Ratio=1.072, 95% CI 1.006 - 1.142, p = 0.03) increase in family support among LSMM who reported high depressive symptoms (depression subscale T-score ≥ 63) in at least one data wave; (2) a 1-unit increase in family support was associated with a 4.7% (RR = ;0.953, 95% CI 0.931 - 0.976, p < 0.001) decrease in the probability of high depressive symptoms; and (3) no significant association between a change in drug use and a change in high depressive symptoms. Over time, LSMM appear to benefit from the health effects of family support associated with Latinx family structures.
Influential factors and barriers change along the invasion continuum of an alien plant
Authors: Montero-Castaño Ana , Aizen Marcelo A. , González-Moreno Pablo , Cavallero Laura , Vilà Montserrat , Morales Carolina L. 
Published: June 2023

AbstractUpon arrival to a new area, alien species have to overcome a series of biotic and abiotic barriers to survive, reproduce, and spread and thus, succeed along the invasion continuum. Failing to understand the role of the different sets of barriers and factors operating across the stages of the invasion continuum limit our ability to predict invasion dynamics, leading to misinformed management. Here, we explore how the European plant Cytisus scoparius overcomes the survival and reproductive barriers to establish along the roadsides of Nahuel Huapi National Park (Argentina). We evaluate the direct and indirect influence of climatic and landscape factors, species traits and their interaction with patch cover, plant height, and pollinator visitation rates as proxies of population persistence, plant growth, and reproduction, respectively. Cytisus scoparius cover was positively associated with the length of water shores and urban cover, factors that may relate to the arrival of propagules, new introduction events, and high levels of disturbance. Plant height was positively associated with annual precipitation and mean temperature. Visitation rates positively related to shrubland cover and to a lesser extent to slope, two factors that may influence pollinator availability and long-distance detectability, respectively. However, factors positively affecting survival had no effect (in the case of height) or negative effect (in the case of cover) on visitation rates, probably due to the saturation of the pollinator pool within large flowering patches. Despite the strong environmental gradients, climatic variables did not seem to influence the cover nor the visitation rates of C. scoparius. The microhabitat provided by roadsides seemed to buffer the climatic variability acting at larger spatial scales. This study shows how the relevance of different barriers across the invasion process can vary due to the characteristics of the species and of the spatial context. Actions directed towards the most limiting barriers and limiting factors could be an efficient way to manage invasions and reduce their impacts. In our system, actions aimed at reducing propagule arrival, soil disturbance and availability of pollinators could limit the survival and reproductive success of C. scoparius.
Novel nanofiltration membrane modified by metal oxide nanocomposite for dyes removal from wastewater
Authors: Elfiky Aya Abd El Aziz , Mubarak Mahmoud F. , Keshawy Mohamed , Sayed Ibrahim El Tantawy El , Moghny Thanaa Abdel 
Published: June 2023

AbstractThis study focuses on the development of a nanocomposite membrane using polyvinyl chloride and nanocellulose@titanium aluminate to effectively filter and adsorb dye from wastewater. Various analytical techniques were used such as FTIR, XRD, SEM, and TGA to characterize the synthesized adsorptive nanocomposite membrane. The thermal and electrical properties of the membrane were measured using a static system. The study investigated the effect of different adsorbent dosages, pH levels, and dye concentrations on the membrane’s adsorption ability. The PVC-NC@TALCM nanocomposite membrane was found to remove 98.6% of MB dye when loaded with 5% titanium aluminate at pH 10. Kinetic and isotherm studies revealed that the adsorption of MB onto the membrane followed pseudo-second-order kinetics and Freundlich isotherms, respectively. The researchers also highlighted the economic and eco-friendly nature of the PVC-NC@TALCM nanocomposite membrane as a viable option for the removal of MB from industrial wastewater.
Effects of cadmium and glufosinate ammonium contaminated water on wild strawberry plants
Authors: Ricci Greta , Fidalgo-Illesca Carmen , Francini Alessandra , Raffaelli Andrea , Sebastiani Luca 
Published: June 2023

AbstractFragaria vesca L. (cv. Annabelle) plants were cultivated in hydroponic system and treated for 28 days with control (Hoagland solution), 1 mg L−1 of Cd, 10 µg L−1 of glufosinate ammonium and the mix of glufosinate ammonium and Cd. Cd and glufosinate influenced the photosynthetic parameters starting from day 18. Cd influenced the fruit fresh weight after 28 days of exposure. The accumulation of Cd in roots was highest among all plant organs and was estimated being 200 µg g−1DW followed by leaves at < 15 µg g−1DW and reaching the lowest concentrations in fruits at < 3 µg g−1DW. Only the metabolite 3-(hydroxymethylphosphinyl) propionic acid (MPP) of glufosinate was detected over the detection limit in each organ analysed. Glufosinate exposure reduced Ca uptake (− 35% compared to control) in fruits while Cd reduced the uptake of Fe and Ca in leaves and Zn, Mn and Ca in fruits. Thus, residual Cd and glufosinate ammonium, that could be present in wastewater used for irrigation, may affect wild strawberry physiology. The data indicates that at the concentrations mentioned above, the consumers have a low risk of Cd exposure but can be exposed to glufosinate metabolite MPP through consumption of fruits that are grown in contaminated wastewater.
Queer supercrystal structure for increasing factorizations of fixed-point-free involution words
Authors: Hiroshima Toya 
Published: June 2023

AbstractWe show that the set of increasing factorizations of fixed-point-free (FPF) involution words has the structure of queer supercrystals. By exploiting the algorithm of symplectic shifted Hecke insertion recently introduced by Marberg (http://arxiv.org/abs/1901.06771v3), we establish the one-to-one correspondence between the set of increasing factorizations of fixed-point-free involution words and the set of primed tableau (semistandard marked shifted tableaux) and the latter admits the structure of queer supercrystals. In order to establish the correspondence, we prove that the Coxeter–Knuth related FPF-involution words have the same insertion tableau in the symplectic shifted Hecke insertion, where the insertion tableau is an increasing shifted tableau and the recording tableau is a primed tableau.
Death anxiety predicts fear of Cancer recurrence and progression in ovarian Cancer patients over and above other cognitive factors
Authors: Coutts-Bain D , Sharpe Louise , Russell H 
Published: June 2023

AbstractDeath anxiety is understudied in people with cancer, especially in relation to fear of cancer recurrence (FCR) and fear of progression (FOP). The present study aimed to identify if death anxiety can predict FCR and FOP over and above other known theoretical predictors. One hundred and seventy-six participants with ovarian cancer were recruited for an online survey. We included theoretical variables, such as metacognitions, intrusive thoughts about cancer, perceived risk of recurrence or progression, and threat appraisal, in regression analyses to predict FCR or FOP. We investigated whether death anxiety added to the variance over and above these variables. Correlational analyses demonstrated that death anxiety is more strongly associated with FOP than FCR. The hierarchical regression including the theoretical variables described above predicted 62–66% of variance in FCR and FOP. In both models, death anxiety predicted a small but statistically significant unique variance in FCR and FOP. These findings draw attention to the importance of death anxiety in understanding FCR and FOP in people with a diagnosis of ovarian cancer. They also suggest that elements of exposure and existentialist therapies may be relevant in treating FCR and FOP.
Brainstem Infarction in Immunodeficiency Identified as Adenosine Deaminase 2 Deficiency: Case Report
Authors: Oster Christoph , Stolte Benjamin , Asan Livia , Pul Refik , Klebe Stephan , Köhrmann Martin , Breuckmann Katharina , Rischpler Christoph , Deuschl Cornelius , Dolff Sebastian , Kleinschnitz Christoph , Hagenacker Tim 
Published: June 2023

Abstract
Purpose
We present the case of a 24-year-old male with CNS granulomatosis due to an immunodeficiency syndrome which was identified as deficiency of adenosine deaminase 2 (DADA2) as a cause of brainstem infarction.

Methods
Case report and detailed description of the clinical course of diagnosis and treatment.

Case
The patient’s medical history consisted of an unknown immunodeficiency syndrome. Based on former findings, common variable immunodeficiency (CVID) was diagnosed. The patient suffered from three consecutive brainstem strokes of unknown etiology within 3 years. An MRI scan detected gadolinium-enhancing, granulomatous-suspect lesions in the interpeduncular cistern, temporal lobe, and tegmentum. Laboratory analysis was compatible with CVID, with leukopenia and immunoglobulin deficiency. Because granulomatous CNS inflammation was suspected, the patient received methylprednisolone immunosuppressive therapy, which led to partially regressive MRI lesions. However, in contrast to imaging, the patient showed a progressive cerebellar syndrome, indicating plasma exchange therapy and immunoglobulin treatment, which led to rapid symptom amelioration. After a relapse and a further stroke, expanded analysis confirmed DADA2 (and not CVID) as the inflammatory cause for recurrent stroke. After starting the therapy with immunoglobulins and adalimumab, no further strokes occurred.

Conclusion
We present the case of a young adult with diagnosis of DADA2 as a cause for recurrent strokes due to vasculitis. This stroke etiology is rare but should be considered as a cause of recurrent stroke of unknown origin in young patients to avoid a disabling disease course by disease-specific treatment options.
Impairments of Sociocognitive Functions in Individuals with Behavioral Addictions: A Review Article
Authors: Arafat Dalia , Thoma Patrizia 
Published: June 2023

AbstractSince little is known about the exact pattern of social cognitive impairments related to behavioral addictions, the aim of the PRISMA-oriented review was to (i) provide an overview of relevant empirical publications, and to (ii) to elucidate which specific aspects of social cognition (i.e., emotion recognition, empathy, and theory of mind (ToM)) are impaired in different types of behavioral addictions. Behavioral addictions have been associated with cognitive deficits which may contribute to impaired social cognitive functioning. More recently, this domain has been investigated in patients with behavioral addictions as impaired social cognition detrimentally affects daily functioning and thus forms a relevant target for treatment. A systematic search in the PubMed and Web of Science databases was performed focusing on social cognitive functions in behavioral addictions. Studies focusing on the same social cognitive component were grouped together, this was done based on the used assessment measures. In total, 18 studies met the specified inclusion criteria. Five studies focusing on emotion recognition concluded that individuals with behavioral addictions show impairments in this domain. As for the 13 studies focusing on empathy and/or ToM, most of them found deficits linked to different types of behavioral addictions. Only two studies, one of which was investigating a distinct population (multiplayer online role-playing gamers) did not link empathy to behavioral addictions. The results show that the majority of studies focusing on social cognition and behavioral addictions found some deficits. Additional research focusing on this topic is urgently needed in behavioral addictions, addressing several methodological issues.
“Rejoice Therapy”: Creating and Shaping 'Joy' according to St. Paul of Tarsus
Authors: Iwański Dariusz 
Published: June 2023

AbstractSt. Paul of Tarsus, in 1 Thessalonians (5:16), urges his suffering addressees to ‘rejoice always.’ This can seem not only inappropriate, but even inhumane. It can be argued, however, that a unique therapy to strengthen the disheartened is at work. St. Paul applies to his readers what can be described as an authorial therapeutic method—“rejoice therapy”—to help them create and shape their joy despite the difficult situation in which they live. St. Paul employs more than just rhetorical strategies in order to achieve this intended effect. St. Paul provides his readers with practical and universalistic techniques, which can continue to have therapeutic value today.
Heuristic search of optimal machine teaching curricula
Authors: Garcia-Piqueras Manuel , Hernández-Orallo Jose 
Published: June 2023

AbstractIn curriculum learning the order of concepts is determined by the teacher but not the examples for each concept, while in machine teaching it is the examples that are chosen by the teacher to minimise the learning effort, though the concepts are taught in isolation. Curriculum teaching is the natural combination of both, where both concept order and the set of examples can be chosen to minimise the size of the whole teaching session. Yet, this simultaneous minimisation of teaching sets and concept order is computationally challenging, facing issues such as the “interposition” phenomenon: previous knowledge may be counter-productive. We build on a machine-teaching framework based on simplicity priors that can achieve short teaching sizes for large classes of languages. Given a set of concepts, we identify an inequality relating the sizes of example sets and concept descriptions. This leverages the definition of admissible heuristics for A* search to spot the optimal curricula by avoiding interposition, being able to find the shortest teaching sessions in a more efficient way than an exhaustive search and with the guarantees we do not have with a greedy algorithm. We illustrate these theoretical findings through case studies in a drawing domain, polygonal strokes on a grid described by a simple language implementing compositionality and recursion.
Negative CO2 emissions in the lime production using an indirectly heated carbonate looping process
Authors: Greco-Coppi Martin , Hofmann Carina , Walter Diethelm , Ströhle Jochen , Epple Bernd 
Published: June 2023

AbstractLime is an essential raw material for iron and steel production, in construction and agriculture, in civil engineering, in environmental protection, and in manifold chemical manufacturing processes. To address the problem of unavoidable process CO2 emissions associated with the production of lime, efficient capture technologies need to be developed and implemented. The indirectly heated carbonate looping (IHCaL) process is an efficient candidate for this application because it utilizes lime as the sorbent for the CO2 capture. In this work, a retrofit configuration of this process is presented and analyzed for net negative CO2 emissions. This is done considering different fuels that provide the heat required for the regeneration of the sorbent. The different scenarios were simulated with an AspenPlus® model, key performance indicators were calculated, and the process was compared with other post-combustion capture methods. The results show that net negative CO2 emissions as high as −1805 kgCO2/tCaO, calculated with a state-of-the-art coal power plant energy scenario (ηe = 44.2 %; eref,el = 770 kgCO2/MWhel), can be obtained. This represents an equivalent CO2 avoidance of more than 230% with respect to the reference plant without capture (1368 kgCO2/tCaO). A specific primary energy consumption for CO2 avoided (SPECCA) lower than 1.5 MJLHV/kgCO2,av was achieved for the same energy scenario. Particularly promising results can be accomplished when applying fuels with high biogenic fraction and low specific CO2 emissions, such as solid recovered fuels (SRFs) with a high calorific value.
Ambiguity aversion and the degree of ambiguity
Authors: Klingebiel Ronald , Zhu Feibai 
Published: June 2023

AbstractWe empirically show that sample information not only moderates prospects’ outcome ambiguity but also decision makers’ revealed aversion of them. Since most natural prospects permit at least some sample inference, accounting for their degree of ambiguity improves prediction of aversion. The special case of full ambiguity, as in Ellsberg-type designs, is typically averted—yet many decision makers systematically like low degrees of ambiguity while disliking higher degrees. Ambiguity attitudes might thus usefully be characterized by not only their sensitivity to degrees of ambiguity but also such ambiguity thresholds. Just as people like some risks but not others, they have ambiguity attitudes that depend on how much ambiguity there is. We thus show how attitudes towards a degree of ambiguity are systematic, enabling prediction across sources of ambiguity.
Temporal Defocusing as a Depth Diagnostic of Submerged Sources of Transient Acoustic Emission from Solar Flares
Authors: Perez-Piel Savannah , Buitrago-Casas Juan Camilo , Martínez Oliveros Juan Carlos , Lindsey Charles 
Published: June 2023

AbstractHelioseismic holography applied to HMI observations of a sunquake associated with the SOL20140207T10:29M1.9 flare hosted by NOAA AR11968 shows the signature of a compact submerged acoustic source. In the 9 – 11-mHz bandpass, this source appears to be at a depth of 2 Mm. This is nearly double the depth of the highly impulsive acoustic transient, referred to as an ultra-impulsive transient source recently found in the SOL20110730T02:09M9.3 flare, emerging from NOAA AR11261 in 2011. The latter source was compound, having multiple surface components overlaying a single submerged component. Many of the sources observed have evidence of being constituted of multiple components, some of which are staggered in depth. The helioseismic source of the flare of 2014-02-07 is distinguished by the apparent absence of a strong shallow compact overlying source component matching the character of those apparent in the flare of 2011-07-30. This suggests that the volume several Mm beneath active-region photospheres could possibly harbor many more ultra-impulsive transient acoustic sources than the rarities that have so far appeared in familiar surface-focal-plane diagnostics. Based on weak surface signatures that appear in place of the strong ones, we find a temporal delay between weak surface and strong submerged sources similar to that found between surface-and-submerged sources in the flare of 2011-07-30. While it remains highly speculative based on the limited statistics we have at this point, this temporal delay supports a model in which the submerged source is perturbed by some presently invisible triggering disturbance that propagates downward from the flaring outer atmosphere at ∼ 5 km s−1. This is slower than the sound speed anywhere in the 0 – 2-Mm depth range. However, this potentially could be an Alfvèn speed if submerged magnetic flux densities along which the trigger propagates are as high as possible. The standard local-helioseismic diagnostics we have used in the past have been heavily reinforced in this study by a powerful new control resource found in the recognition of temporal defocusing of compact transient sources. In particular, its tight relationship to the standard spatial defocusing upon which helioseismic holography has capitalized from its early advent.
Age-related changes in energy metabolism in peripheral mononuclear blood cells (PBMCs) and the brains of cognitively healthy seniors
Authors: Silaidos Carmina V. , Reutzel Martina , Wachter Lena , Dieter Fabian , Ludin Nasir , Blum Werner F. , Wudy Stefan A. , Matura Silke , Pilatus Ulrich , Hattingen Elke , Pantel Johannes , Eckert Gunter P. 
Published: June 2023

Abstract
Mitochondrial dysfunction is a hallmark of cellular senescence and many age-related neurodegenerative diseases. We therefore investigated the relationship between mitochondrial function in peripheral blood cells and cerebral energy metabolites in young and older sex-matched, physically and mentally healthy volunteers. Cross-sectional observational study involving 65 young (26.0 ± 0.49 years) and 65 older (71.7 ± 0.71 years) women and men recruited. Cognitive health was evaluated using established psychometric methods (MMSE, CERAD). Blood samples were collected and analyzed, and fresh peripheral blood mononuclear cells (PBMCs) were isolated. Mitochondrial respiratory complex activity was measured using a Clarke electrode. Adenosine triphosphate (ATP) and citrate synthase activity (CS) were determined by bioluminescence and photometrically. N-aspartyl-aspartate (tNAA), ATP, creatine (Cr), and phosphocreatine (PCr) were quantified in brains using 1H- and 31P-magnetic resonance spectroscopic imaging (MRSI). Levels of insulin-like growth factor 1 (IGF-1) were determined using a radio-immune assay (RIA). Complex IV activity (CIV) (− 15%) and ATP levels (− 11%) were reduced in PBMCs isolated from older participants. Serum levels of IGF-1 were significantly reduced (− 34%) in older participants. Genes involved in mitochondrial activity, antioxidant mechanisms, and autophagy were unaffected by age. tNAA levels were reduced (− 5%), Cr (+ 11%), and PCr (+ 14%) levels were increased, and ATP levels were unchanged in the brains of older participants. Markers of energy metabolism in blood cells did not significantly correlate with energy metabolites in the brain. Age-related bioenergetic changes were detected in peripheral blood cells and the brains of healthy older people. However, mitochondrial function in peripheral blood cells does not reflect energy related metabolites in the brain. While ATP levels in PBMCs may be be a valid marker for age-related mitochondrial dysfunction in humans, cerebral ATP remained constant.
Zur seelischen Gesundheit von Studierenden – Eine Bestandsaufnahme aus der Westfälischen Hochschule
Authors: Lewkowicz Eva-Maria 
Published: June 2023

ZusammenfassungDieser Praxisbericht geht der Frage nach, wie tiefgreifend und nachhaltig die Corona-Krise die (seelische) Gesundheit von Studierenden der Westfälischen Hochschule verändert hat, mit welchen Strategien sie darauf reagiert haben und wie sie sich heute zurecht finden. Basis ist eine Befragung unter den Studierenden im Wintersemester 2022/23. Im Ergebnis zeigt sich, dass die Folgen der Corona-Krise, vor allem aber auch die aktuelle geopolitische und wirtschaftliche Situation zu einer großen Verunsicherung geführt haben. Aus den Umfrageergebnissen werden Ansatzpunkte für die Beratung und Unterstützung der Studierenden abgeleitet.