bluuebunny/crossref_metadata_2025_split huggingface dataset:
Roe–Strichartz theorem on two‐step nilpotent Lie groupsa
Authors: Bagchi Sayan , Kumar Ashisha , Sen Suparna 
Published: April 2023

AbstractStrichartz characterized eigenfunctions of the Laplacian on Euclidean spaces by boundedness conditions which generalized a result of Roe for the one‐dimensional case. He also proved an analogous statement for the sub‐Laplacian on the Heisenberg groups. In this paper, we extend this result to connected, simply connected two‐step nilpotent Lie groups.
Hopf fibration in a C*‐module†
Authors: Andruchow Esteban , Corach Gustavo , Recht Lázaro 
Published: April 2023

AbstractLet X be a right C*‐module over a unital C*‐algebra . We study the Hopf fibration of X:
where the projective space of X is the set of singly generated orthocomplemented submodules of X, is the set of elements of X, which generate such submodules, and module generated by . The group of unitary operators of the module X acts on both spaces. We introduce a Finsler metric in , which is invariant under the unitary action. Our main results establish that the map is distance decreasing (when the projective space of X is considered with its natural unitary invariant metric), and a minimality result in , characterizing metric geodesics in this space.
Global shortfalls in threat assessments for endemic flora by country
Authors: Gallagher Rachael V. , Allen Stuart P. , Govaerts Rafaël , Rivers Malin C. , Allen Andrew P. , Keith David A. , Merow Cory , Maitner Brian , Butt Nathalie , Auld Tony D. , Enquist Brian J. , Eiserhardt Wolf L. , Wright Ian J. , Mifsud Jonathon C. O. , Espinosa‐Ruiz Silvia , Possingham Hugh , Adams Vanessa M. 
Published: April 2023

Societal Impact StatementPlants are fundamental to terrestrial and aquatic ecosystems and are key to human livelihoods. To protect plant diversity, systematic approaches to conservation assessment are needed. Many nations have legislation or other policy instruments that seek to protect biodiversity (including plants), and species‐level assessments are essential for identifying the most threatened species that require special and immediate protection measures. Some plants occur in only one place (for instance, a single country) and here we have estimated how many of these ‘endemic’ species have had their threats assessed in each country or close country‐equivalent worldwide. We show that the level of assessment completion is only weakly related to the income of countries or the likely level of threat that species face.Summary

The Global Strategy for Plant Conservation ambitiously called for an assessment of the conservation status of all recognised plant taxa by 2020. This target was not met in the short term. Nevertheless, the need for conservation assessments remains urgent as plants go extinct and face increasing threats from human impacts on the biosphere.
Here, the completeness of threat assessments for endemic flora in 179 countries or their close equivalents was assessed. To do so, distribution information from the World Checklist of Vascular Plants was combined with assessments collated in the ThreatSearch database. The completeness of assessments was expected to be associated with the objective affluence of countries (measured using inequality‐adjusted Human Development Index (IHDI)) and/or the exposure of their plant species to threats associated with human impacts (measured using Global Human Modification index (GHM)). The number of endemic species per country was also hypothesised to influence the completion of assessments.
Overall, 58% of all country‐based endemic species examined have no conservation assessment (127,643 species). Countries' progress toward the completion of threat assessments for endemic plants could not be confidently predicted by IHDI, GHM or the richness of endemic plant flora.
The shortfall in threat assessments identified here restricts national regulation of actions which imperil plant species, with particular consequences for endemic plant species subject to local laws. Some nations with high IHDI scores (i.e. wealthier nations) are not systematically assessing extinction risk in their endemic species. Scarce funding should be directed to global hotspots of endemism with few available resources for assessment.
Tender Shoots: A Parent‐Mediated Randomized Controlled Trial With Preschool Children Benefits Beginning Reading 1 Year Later
Authors: Schaughency Elizabeth , Linney Kelsi , Carroll Jane , Das Shika , Riordan Jessica , Reese Elaine 
Published: April 2023

AbstractThis study evaluated a parent‐mediated preventive intervention for children’s literacy skills 1 year after participation. Parents of 3½ to 4½‐year‐old‐children (n = 69) recruited through early childhood centers were randomly assigned to one of three conditions: (a) a target shared reading condition emphasizing phonological awareness (Strengthening Sound Sensitivity; SSS); (b) an alternative shared reading condition emphasizing meaning‐related extra‐textual talk (Rich Reading and Reminiscing; RRR); or (c) a non‐reading activities control condition (Activity‐Based Control; ABC), all implemented for 6 weeks. Together, SSS and RRR comprise Tender Shoots. Tender Shoots' conditions included one parent‐education session, used the same books, provided parents two books per week, and encouraged scaffolding higher‐level skills through repeated readings and verbal interactions outside reading. The non‐reading control provided weekly resources and suggested activities for preschool children. At follow‐up 1 year later, children (n = 62; 5‐ to 6‐years‐old) were in their first year of primary school and reading instruction. Controlling for age and baseline alphabet knowledge, analyses indicated benefits of SSS participation for children’s letter sounds (d = .74), pseudoword (d = .85) and word reading (d = .66), book level (d = .82), and teacher judged reading (d = .60) relative to ABC, with medium to large effects. Age at follow‐up moderated the effect of condition on word reading, such that benefits of SSS were observed for children who were older and had been in school longer (around 6 months or more). Findings suggest SSS is promising for preparing preschool children for reading acquisition.
Crises as incubators of sustainable mobility patterns? Evidence from two shock events
Authors: Csutora Mária , Zsóka Ágnes 
Published: April 2023

AbstractThis paper promotes our understanding of how crises accelerate systemic sustainability‐related changes in our transforming societies using the example of mobility. Not only is the magnitude of the mobility carbon footprint large, but its dynamics make reducing it very challenging. Our paper addresses the impact of crises on the transformation of mobility patterns, including short‐distance mobility and holiday tourism. A first study was conducted after the 2008–2010 crisis using focus‐group participatory systems mapping. This found that when people are forced to change their habits for financial reasons, they adapt holiday travel first. Nonetheless, participants were just as satisfied with domestic destinations, provided they could spend time with loved ones. The second study focused on the COVID‐19 crisis. Participants missed foreign travel, so some rebound seems inevitable. However, the crisis has been an incubator of changes in urban mobility that could reduce carbon footprints in the longer term and offset the prospective increase in tourism. Recent changes have been more profound and innovative than those during the 2008–2010 crisis.
One Molecule Suffices: Spectroscopy of Yariv Reagents
Authors: Tang Chengcheng , Taylor Peter R. 
Published: April 2023

AbstractWe have investigated the structure and spectra (NMR, UV/visible) of several Yariv reagents and models for these species, using both density functional theory (DFT) and approximate coupled‐cluster methods (ADC(2)). We have also studied the formation of dimers and model trimers as a first step to understand the aggregation of these species in aqueous solution. One question that our calculations help resolve is the origin of two strong bands in the visible region of the spectrum: these are confirmed as resulting from enol‐keto tautomerism, and are not a result of aggregation, which was a hypothesis that had been advanced previously. The UV/visible spectrum of the Yariv reagents can be explained entirely in terms of tautomerism within a single molecule – no dimers or clusters are involved.
Decolorization Performance of a Methyl Benzyl Diallyl Quaternary Ammonium Salt Copolymer in a Simulated Reactive Dyeing Wastewater
Authors: Duan Yuxin , Peng Wenhui , Jia Xu , Wang Guoqing , Xu Xiao , Zhao Xiaolei , Zhang Yuejun 
Published: April 2023

AbstractThe source of dyeing wastewater and the composition of pollutants are very complex, direct discharge will bring great harm to living environment, and cause waste of water resources. For the treatment of reactive dyeing wastewater, this work developed and synthesized a novel cationic flocculant called Poly (DMDAAC‐co‐DAMBAC), which was made by copolymerizing dimethyl‐diallyl‐ammonium chloride (DMDAAC) and methyl‐benzyl‐diallyl‐ammonium chloride (DAMBAC). To assess its flocculation effects, flocculation decolorization studies with 3RF reactive yellow, KN−R reactive blue, and 3BF reactive red were conducted. The copolymers′ lipophilicity considerably increased once atyl groups were added. The experimental results showed that Poly(DMDAAC‐co‐DAMBAC) had an optimal decolorization rate of over 94 % for three reactive dyes and a maximum decolorization rate of roughly 80 % for CODMn, both of which were significantly higher than those of PDMDAAC and nearly on par with those of PDAMBAC with a comparable viscosity. Instead, Theoretical calculations of the binding energy of the results demonstrated the accuracy of the findings. The study illustrated the flocculation mechanism and laid the foundation for further application of Poly(DMDAAC‐co‐DAMBAC).
Compounds Interacting with Cholecystokinin as Potential Drugs Against Excessive Weight Gain and Obesity
Authors: Vique‐Sánchez José Luis , López Lujano Paola Guadalupe , Rodríguez Fonseca Karla Alejandra , Benítez‐Cardoza Claudia Guadalupe 
Published: April 2023

AbstractCholecystokinin (CCK) is a peptide family that functions pancreatic enzyme secretion, gallbladder contraction, intestinal motility, satiety, and stomach acid secretion. The CCK peptides are derived from pro‐CCK with a specific amino acid sequence (Asp, Tyr, Met, Gly, Trp, Met, Asp, and Phe) at their C‐terminus, where the Tyr residue is sulfated. The CCK peptides are ligands of the CCK receptors 1 (CCK1) and 2 (CCK2).In this study, we propose an approach for treating overweight and obese patients, preventing or reducing CCK1 activation using compounds that specifically interact with CCK peptides to regulate their interactions with CCK1. The compounds were selected by molecular docking using a chemical library with the selected residues (Asp, Tyr, Met, Gly, Trp, Met, Asp, and Phe) in CCK. Their effects were evaluated in a diet‐induced obese mice model.We show that compounds K2 and K5 decreased and maintained the body weight of the diet‐induced obese mice model, respectively, likely by preventing/hindering interactions between CCK peptides and CCK1, modifying its activity. This study demonstrates another approach to treating overweight and obesity by regulating CCK1 functions. The K2 and K5 compounds have properties supporting their continued development as new drugs against these risk factors.
Finding the right path to the top: How past interorganizational moves impact executive selection outcomes
Authors: Won Shinjae , Bidwell Matthew 
Published: April 2023

AbstractResearch summaryExecutives are a critical strategic resource but often build careers across multiple organizations. We explore how firms value that interorganizational mobility by studying executive selection. We suggest that hiring firms will value the diverse experience and adaptability that past mobility across organizations fosters, but that prior mobility can also signal a higher retention risk or lack of competency. Using data from an executive search firm, we employ search‐fixed effects model and structural equation models to estimate candidates' probabilities of receiving a job offer. We find that candidates' prior mobility indirectly increases their chances of being hired by increasing their functional diversity and reducing their tenure with their employer below 10 years. Net of these effects, prior mobility has a negative effect on hiring.Managerial summaryExecutives are increasingly building their careers across organizations. How do prospective employers evaluate their records of past moves when they are considered as external hires? We propose that by moving firms, individuals can accumulate diverse experience and become more adaptable, but employers may be concerned about retention or performance issues for those with records of frequent moves. Using executive search data, we find that prior mobility is valuable to the extent that it builds diverse functional experience; once it is accounted for, we find that prior mobility decreases the likelihood of receiving an offer. Further, staying at the same employer for 10 years or longer is unfavorable due to employers' concerns about adaptability and firm‐specific skills. Our survey of fifty‐four CHROs resonates with these findings.
Effect of Multiple Short‐Time Repeated Microwave Treatments on the Structure and Physicochemical Properties of Sweet Potato Starch
Authors: Wang Wei , Hu Aijun , Li Yu , Yan Jiatian , Liu Shiwei , Zheng Jie 
Published: April 2023

AbstractThe effects of short‐time repeat microwave treatments on the physicochemical properties of sweet potato starch are investigated in this study. Pores appear on the surface of starch after repeat microwaves treatment, and the repeat microwave treatment for 60 s has a greater effect on the destruction of the pore size of the starch surface. Compared with the native starch, the Fourier infrared spectrum of short‐time repeat microwave treatment shows no new peaks but reduces the short‐range ordering of the starch. The short‐time repeat microwave treatment has no effect on the crystal mode of starch (A‐type), but the relative crystallinity of starch decreases. Multiple short‐time repeat microwave treatments reduce the peak viscosity of starch, but increase the water/oil holding capacity (WHC/OHC) and the particle diameter of starch. Modified starch obtained by short‐time repeat microwave treatment can be used as thickener.
Yeast: A platform for the production of L‐tyrosine derivatives
Authors: Guo Xufan , Wu Xinxin , Ma He , Liu Huayi , Luo Yunzi 
Published: April 2023

AbstractL‐Tyrosine derivatives are widely applied in the pharmaceutical, food, and chemical industries. Their production is mainly confined to chemical synthesis and plant extract. Microorganisms, as cell factories, exhibit promising advantages for valuable chemical production to fulfill the increase in the demand of global markets. Yeast has been used to produce natural products owing to its robustness and genetic maneuverability. Focusing on the progress of yeast cell factories for the production of L‐tyrosine derivatives, we summarized the emerging metabolic engineering approaches in building L‐tyrosoine‐overproducing yeast and constructing cell factories of three typical chemicals and their derivatives: tyrosol, p‐coumaric acid, and L‐DOPA. Finally, the challenges and opportunities of L‐tyrosine derivatives production in yeast cell factories were also discussed.
Solar energy improvement in solar HVAC using Sutterby magneto‐ternary hybrid nanofluid flow with Smoluchowski temperature conditions: A solar thermal application
Authors: Nabwey Hossam A. , Khan Waqar A. , Rashad Ahmed M. , Elmeky Hamed , Abdelnaem Shereen , Hawsah Miad Abu 
Published: April 2023

AbstractThis study investigates the radiative flow of rotating Sutterby magneto‐ternary hybrid nanofluids traveling along a stretchy surface in solar heating, ventilation, and air conditioning (HVAC). The investigation includes a colloidal mixture of three district types of particles, and impacts such as thermal radiative fluxing and activation energy. This model is used for the Sutterby model, and the flow and heat transfer analysis developed the new idea of tri‐hybrid nanofluid for highlighting some unique thermal properties in the fluid flow problems. The tri‐hybrid nanofluid is formed by suspending the three different nanoparticles for advanced cooling purposes. In the present work, we have considered Molybdenum disulfide (MoS2), Graphene oxide (GO), and Multi‐walled carbon nanotubes (MCNT) in water for advanced cooling. The study uses the Runge‐Kutta‐Fehlberg method to simulate the system and analyzes physical attributes such as skin friction coefficient and Nusselt and Sherwood numbers. The results suggest that increasing activation energy leads to an increase in the concentration of nanoparticles, and increasing rotational parameters leads to an increase in radial skin friction but a decrease in Nusselt numbers. The study also found that ternary nanofluids are more effective than base fluids in enhancing convective heat and mass transfer
An Efficient Cyclic Entailment Procedure in a Fragment of Separation Logic
Authors: Le Quang Loc , Le Xuan-Bach D. 
Published: April 2023

AbstractAn efficient entailment proof system is essential to compositional verification using separation logic. Unfortunately, existing decision procedures are either inexpressive or inefficient. For example, Smallfoot is an efficient procedure but only works with hardwired lists and trees. Other procedures that can support general inductive predicates run exponentially in time as their proof search requires back-tracking to deal with a disjunction in the consequent.This paper presents a decision procedure to derive cyclic entailment proofs for general inductive predicates in polynomial time. Our procedure is efficient and does not require back-tracking; it uses normalisation rules that help avoid the introduction of disjunction in the consequent. Moreover, our decidable fragment is sufficiently expressive: It is based on compositional predicates and can capture a wide range of data structures, including sorted and nested list segments, skip lists with fast-forward pointers, and binary search trees. We implemented the proposal in a prototype tool, called$$\mathtt {S2S_{Lin}}$$S2SLin, and evaluated it over challenging problems from a recent separation logic competition. The experimental results confirm the efficiency of the proposed system.
The Panorama of Spin Matrix theory
Authors: Baiguera Stefano , Harmark Troels , Lei Yang 
Published: April 2023

Abstract
Spin Matrix theory describes near-BPS limits of $$ \mathcal{N} $$
N
= 4 SYM theory, which enables us to probe finite N effects like D-branes and black hole physics. In previous works, we have developed the spherical reduction and spin chain methods to construct Spin Matrix theory for various limits. In this paper, by considering a supercharge $$ \mathcal{Q} $$
Q
which is cubic in terms of the letters, we construct the Hamiltonian of the largest Spin Matrix theory of $$ \mathcal{N} $$
N
= 4 SYM, called the PSU(1, 2|3) Spin Matrix theory, as $$ H=\left\{\mathcal{Q},{\mathcal{Q}}^{\dagger}\right\} $$
H
=

Q

Q
†

. We show the resulting Hamiltonian is automatically positive definite and manifestly invariant under supersymmetry. The Hamiltonian is made of basic blocks which transform as supermultiplets. A novel feature of this Hamiltonian is its division into D-terms and F-terms that are separately invariant under PSU(1, 2|3) symmetry and positive definite. As all the other Spin Matrix theories arising from $$ \mathcal{N} $$
N
= 4 SYM can be acquired by turning off certain letters in the theory, we consider our work as revealing the “Panorama” of Spin Matrix theory.
Ellenbogengelenkluxation
Authors: Klute Lisa , Henssler Leopold , Alt Volker , Kerschbaum Maximilian 
Published: April 2023

ZusammenfassungLuxationen des Ellenbogengelenks sind nach Schultergelenkluxationen eine der häufigsten Luxationsverletzungen am menschlichen Körper und stellen wegen ihrer Begleitverletzungen und Komplikationen weiterhin eine Herausforderung im klinischen Alltag dar. Betroffen sind v. a. junge Erwachsene, die sich während ihrer sportlichen oder alltäglichen Tätigkeiten verletzen. Unterschieden wird i. Allg. zwischen einer einfachen Ellenbogenluxation und einer Ellenbogenluxationsfraktur. Eine einheitliche Klassifikation oder ein Therapiealgorithmus hat sich jedoch insbesondere für die einfache Ellenbogenluxation mit den damit verbundenen ligamentären, muskulären und kapsulären Begleitverletzungen noch nicht durchgesetzt. Aufgrund dessen und wegen der Komplexität dieser Verletzung bedarf es eines standardisierten Vorgehens, um frühzeitig die optimale Therapie zu initiieren und den schmalen Behandlungspfad zwischen drohender chronischer Instabilität und Ellenbogensteife richtig auszuwählen.
Role of radiomic analysis of [18F]fluoromethylcholine PET/CT in predicting biochemical recurrence in a cohort of intermediate and high risk prostate cancer patients at initial staging
Authors: Marturano Francesca , Guglielmo Priscilla , Bettinelli Andrea , Zattoni Fabio , Novara Giacomo , Zorz Alessandra , Sepulcri Matteo , Gregianin Michele , Paiusco Marta , Evangelista Laura 
Published: April 2023

Abstract
Aim
To study the feasibility of radiomic analysis of baseline [18F]fluoromethylcholine positron emission tomography/computed tomography (PET/CT) for the prediction of biochemical recurrence (BCR) in a cohort of intermediate and high-risk prostate cancer (PCa) patients.

Material and methods
Seventy-four patients were prospectively collected. We analyzed three prostate gland (PG) segmentations (i.e., PGwhole: whole PG; PG41%: prostate having standardized uptake value – SUV > 0.41*SUVmax; PG2.5: prostate having SUV > 2.5) together with three SUV discretization steps (i.e., 0.2, 0.4, and 0.6). For each segmentation/discretization step, we trained a logistic regression model to predict BCR using radiomic and/or clinical features.

Results
The median baseline prostate-specific antigen was 11 ng/mL, the Gleason score was > 7 for 54% of patients, and the clinical stage was T1/T2 for 89% and T3 for 9% of patients. The baseline clinical model achieved an area under the receiver operating characteristic curve (AUC) of 0.73. Performances improved when clinical data were combined with radiomic features, in particular for PG2.5 and 0.4 discretization, for which the median test AUC was 0.78.

Conclusion
Radiomics reinforces clinical parameters in predicting BCR in intermediate and high-risk PCa patients. These first data strongly encourage further investigations on the use of radiomic analysis to identify patients at risk of BCR.

Clinical relevance statement
The application of AI combined with radiomic analysis of [18F]fluoromethylcholine PET/CT images has proven to be a promising tool to stratify patients with intermediate or high-risk PCa in order to predict biochemical recurrence and tailor the best treatment options.

Key Points
• Stratification of patients with intermediate and high-risk prostate cancer at risk of biochemical recurrence before initial treatment would help determine the optimal curative strategy.
• Artificial intelligence combined with radiomic analysis of [18F]fluorocholine PET/CT images allows prediction of biochemical recurrence, especially when radiomic features are complemented with patients’ clinical information (highest median AUC of 0.78).
• Radiomics reinforces the information of conventional clinical parameters (i.e., Gleason score and initial prostate-specific antigen level) in predicting biochemical recurrence.