Miracle-dz/UniFAR-FTUs huggingface dataset:
Error control for time-splitting spectral approximations of the semiclassical Schrodinger equation

We prove a posteriori error estimates of optimal order in the L 1 (L 2 )-norm for time- splitting spectral methods applied to the linear Schrodinger equation in the semiclassical regime. The a posteriori error estimates are obtained by considering an appropriate extension in time of the numerical schemes and using energy techniques. Numerical experiments are presented which confirm our theoretical results.
Container Space Optimization using Excel VBA

Various industries, supermarket and logistic agencies face lot of problems regarding container space optimization. Proper arrangement and placements of items, bins, goods in container followed by arrangement of the container in cargo vehicles for transportation is very difficult task. Because of improper filling of bins in container same space may accommodate lesser number of bins. Also due to presence of void spaces in container, same number of bins requires more number of containers. This leads to increase in transportation cost. Companies are interested in optimizing manufacturing process to reduce cost, improve quality and obtain high efficiency. Unfortunately, most of industry have to pay more cost due to improper packaging of material. Attempt to provide optimum feasible solution for space optimization has been done previously by using methods like Biased Random Key Genetic Algorithm (BRKGA), Largest Area First Fit (LAFF) and various operation research techniques. But due to improper arrangement of bins and unavailability of proper optimization techniques the space gets wasted and damage of goods occur in container. To utilize the maximum occupancy of the container in this project we are proposing the heuristic algorithm solution with weight which consider the dimension of the items and container like length, height, width, weight. This project aims to generate a system for optimizing a container space using user friendly Excel VBA. We are taking advantage of data processing ability of Excel VBA. The program generated system takes up all information regarding the size, orientation, number, types of bins and does computation using the fielded information. At the end system shows the order in which bins should be placed, its orientation, profit achieved and animation of entire arrangement. The proposed system can be used in any platform which needs space optimization like industries, supermarket and logistics agency. Keywords—Space optimization; heuristic algorithm; Excel VBA;
E-Module of Cost Estimating Course in Building Construction Vocational Undergraduate Program Faculty of Engineering Universitas Negeri Jakarta

This R&D aims to develop e-modules based on blended learning in the cost esti-mating course. The research used the R&D method with the 4D (four-D) model carried out through four main stages, namely define, design, development, and dissemination. The e-module development was limited only to the assessment and limited dissemination to experts or the development stage. This study used a questionnaire as a tool to test the feasibility of the instructional through expert validation and student assessment. The results obtained from Instructional experts, material, and students showed that this electronic module is suitable for use in cost estimating subject in Building Construction Vocational Undergraduate Program, Faculty of Engineering, Universitas Negeri Jakarta. However, further research is needed on the fourth stage (disseminate).
Effects of celecoxib and L-NAME on apoptosis and cell cycle ofMCF-7 CD44+/CD24-/low subpopulation

Recent studies have reported that cancer stem cells (CSCs) play a pivotal role in treatment failure, causing cancer recurrence. Here, we investigated the effects of L-NAME (an iNOS inhibitor) and celecoxib (a selective COX-2 inhibitor) on CSC-like cells (CSC-LCs) and their parental cells. Breast CSC-LCs derived from the MCF-7 cell line were sorted and characterized with the CD44+/CD24-/low phenotype. After isolation, the percentage of the subpopulation expressing CD44+/CD24-/low biomarkers increased considerably from 0.96% to 28.6%. Use of L-NAME and celecoxib showed antiproliferative activity towards both MCF-7 and CSC-LCs. Although celecoxib enhanced apoptotic cell death, the CSC-LC population was more resistant than parental cells. Moreover, L-NAME was less effective at inducing apoptosis, suggesting an involvement of different mechanisms of cell death. L-NAME caused cell cycle arrest in the S-phase in CSC-LCs, while celecoxib induced G0/G1 arrest in CSC-LCs and their parental cells. Immunocytochemistry results demonstrated that L-NAME had a similar potency to attenuate iNOS expression in MCF-7 and CSC-LCs; however, celecoxib reduced COX-2 expression in MCF-7 cells. The results show the crucial role of NOS and COX-2 in the maintenance of CD44+/CD24-/low breast CSC-LCs and suggest that L-NAME and celecoxib could have clinical implication in combination therapy.
A Semantic Framework to Debug Parallel Lazy Functional Languages

It is not easy to debug lazy functional programs. The reason is that laziness and higher-order complicates basic debugging strategies. Although there exist several debuggers for sequential lazy languages, dealing with parallel languages is much harder. In this case, it is important to implement debugging platforms for parallel extensions, but it is also important to provide theoretical foundations to simplify the task of understanding the debugging process. In this work, we deal with the debugging process in two parallel languages that extend the lazy language Haskell. In particular, we provide an operational semantics that allows us to reason about our parallel extension of the sequential debugger Hood. In addition, we show how we can use it to analyze the amount of speculative work done by the processes, so that it can be used to optimize their use of resources.
Gemini: Reducing DRAM Cache Hit Latency by Hybrid Mappings

Die-stacked DRAM caches are increasingly advocated to bridge the performance gap between on-chip Cache and main memory. It is essential to improve DRAM cache hit rate and lower cache hit latency simultaneously. Prior DRAM cache designs fall into two categories according to the data mapping polices: set-associative and direct-mapped, achieving either one. In this paper, we propose a partial direct-mapped die-stacked DRAM cache to achieve the both objectives simultaneously, called Gemini, which is motivated by the following observations: applying unified mapping policy to different blocks cannot achieve high cache hit rate and low hit latency in terms of mapping structure. Gemini cache classifies data into leading blocks and following blocks, and places them with static mapping and dynamic mapping respectively in a unified set-associative structure. Gemini also designs a replacement policy to balance the different blocks miss penalty and the recency, and provides strategies to mitigate cache thrashing due to block type transitions. Experimental results demonstrate that Gemini cache can narrow the hit latency gap with direct-mapped cache significantly, from 1.75X to 1.22X on average, and can achieve comparable hit rate with set-associative cache. Compared with the state-of-the-art baselines, i.e., enhanced Loh-Hill cache, Gemini improves the IPC by up to 20% respectively.
A trap with a twist: evaluating a bycatch reduction device to prevent rockfish capture in crustacean traps

Bycatch, or the incidental capture of non-target species, occurs in fisheries around the world, with often detrimental ecological consequences. Bycatch reduction devices (BRDs) that increase catch specificity have been used successfully in some fisheries, and the development of such devices remains an important component of the global effort to reduce bycatch rates. We tested novel devices designed to exclude juvenile rockfish (Sebastes spp.) from traps used to catch spot prawns (Pandalus platyceros), a commercially important species in British Columbia, Canada. The devices included reductions in trap opening sizes and novel bent-tunnel openings. Reducing trap opening size did not affect bycatch rates of rockfish or other non-target fish species. In contrast, benttunnel BRDs eliminated rockfish bycatch, and two of the bent-tunnel variants also excluded other fish species. However, prawn catch rates were reduced in all modified gear, and large prawns were often excluded more than small prawns. Videos recorded in situ revealed that prawn attempts to enter traps took longer and were more likely to fail in BRD-equipped than in unmodified traps. We conclude that bent-tunnel BRDs have the potential to be useful, but improvements are needed to increase prawn catch to levels similar to that of unmodified traps.
Exploring the Role of Farmers in Short Food Supply Chains: The Case of Italy

The aim of this paper is to explore the role of farmers in Italy who are involved in Short Food Supply Chains (SFSCs), paying particular attention to sustainability in terms of its social, economic and environmental dimensions. Research is based upon a set of indicators linked to structural and economic aspects, and also to issues relating to employment. ANOVA and MANOVA models are used to highlight farm behaviors within SFSCs about sustainability.
The impact of demographic factors on quality of life in women after breast cancer surgery

Background: Health is the main focus of studies on quality of life. Cancer can lead to changes in quality of life in postmastectomy women. Aims: The aim of this study was to examine the relation among sociodemographic factors and to assess the quality of life of women with breast cancer a year from their surgery. Materials and Methods: This single-center cross-sectional study included 104 participants (50 participants with mastectomy and 54 participants with quadrantectomy) aged from 37 to 72 years. The 36-Item Short Form Survey (SF-36) was used to assess physical, psychological, and social functioning of participants, as well as their sociodemographic factors and the clinical variables of the treatment. Results: Participants with quadrantectomy aged up to 50 years had a significantly higher score when assessed in social functioning and mental/emotional health. Older participants expressed no significant differences in quality of life. Participants with quadrantectomy in all age groups had a higher score in social functioning, mental/emotional health, energy, and vitality than participants with mastectomy. Conclusion: A year from the surgery and cancer treatment, the quality of life of postquadrantectomy women was better compared to postmastectomy women.
Terahertz Sensing with Optimized Q/Veff Metasurface Cavities

Confinement of electromagnetic radiation in a subwavelength cavity is an important platform for strong light–matter interaction as it enables efficient design of photonic switches, modulators, and ultrasensitive sensors. Metallic metasurfaces consist of an array of planar cavities that allow easy access to confined electromagnetic modes on the surface. However, the radiative and nonradiative losses limit the quality factor (Q) of the resonantly confined mode. Therefore, metasurface designs with effectively low mode volume (Veff) cavities become extremely important for enhancing the photonic density of states. Here, a symmetric Lorentzian resonant metasurface with lower Veff is demonstrated as compared to asymmetric Fano resonators. Lower mode volume and optimized Q/Veff metasurfaces reveal enhanced sensitivity for ultrathin analyte overlayers deposited on metasurfaces signaling enhanced light–matter interaction. Such metasurfaces with tightly confined electromagnetic modes could find wide range of applications in the development of terahertz metadevices including ultrasensitive sensors, bandpass filters, and energy‐efficient modulators.
The Photosynthetic Performance of Red Leaf Lettuce under UV-A Irradiation

The objective of this study was to evaluate how different UV-A wavelengths influence the morphology and photosynthetic behavior of red-leaf lettuce (Lactuca sativa L. cv. Maiko). In the experiments, the main photosynthetic photon flux consisted of red (R) and blue (B) light, supplemented with equal doses of different UV-A wavelengths (402, 387 and 367 nm). Treating the crops with low dosages of specific narrow-band UV-A radiation at key points in the life cycle initiated a cascade of responses in the above-ground biomass. According to the results, red-leaf lettuces acclimated to longer UV-A wavelengths by increasing biomass production, whereas different UV-A wavelengths had no significant effect on plant senescence reflectance, nor on the normalized difference vegetation index. A significant decrease in the maximum quantum yield of the PSII photochemistry of dark (Fv/Fm) and light (ΦPSII) adapted plants was observed. A lack of significant changes in non-photochemical fluorescence quenching indicates that photo-inhibition occurred under RBUV367, whereas the photosynthetic response under RB, RBUV402, and RBUV387 suggests that there was no damage to PSII. The correlation of the photosynthetic rate (Pr) with the stomatal conductance (gs) indicated that the increase in the Pr of lettuce under supplemental UV-A radiation was due to the increase of gs, instead of the ratio of the intracellular to ambient CO2 content (Ci/Ca) or stomatal limitations.
Resilience in action: leading for resilience in response to COVID-19

Resilience matters now more than ever in healthcare, with the COVID-19 pandemic putting healthcare providers and systems under unprecedented strain. In popular culture and everyday conversation, resilience is often framed as an individual character trait where some people are better able to cope with and bounce back from adversity than others. Research in the management literature highlights that resilience is more complicated than that – it’s not just something you have, it’s something you do. Drawing on research on managing unexpected events, coordinating under challenging conditions, and learning in teams, we distill some counter-intuitive findings about resilience into actionable lessons for healthcare leaders.
Effect of a Service-Learning Program on the Active Lifestyle of Children with Autism Spectrum Disorder: A Pilot Study

Background: active lifestyles and Physical Activity (PA) are closely related to health. Healthy habits such as being physically active should be consolidated during childhood. Children with Autism Spectrum Disorders (ASD) present fewer opportunities to be involved in PA. For this reason, we conducted a Service-Learning (SL) program to enhance the possibility of participating ASD children enjoying PA sessions. The aim of this study was to analyze and describe the evolution in terms of the frequency and intensity of PA performed by ASD children who participated in the SL program. Methods: we used a quasi-experimental design. The sample was formed by 26 children with ASD (Experimental group: n = 16; 4 girls, 12 boys) (Control group: n = 10; 1 girl, 9 boys) with ASD level 1. Results: after the intervention program, moderate PA during the week increased significantly (Pre-Median: 92.04, Range: 35.71–126.47 min; Post-Median: 212.67, Range: 99.75, 271.04 min) (p ≤ 0.001). When comparing both groups, the tendency to do PA in the Experimental group remained more stable. Also, the improvements in moderate intensities were higher in the Experimental group after the intervention. Conclusion: a six-month SL program improved the moderate PA routines of ASD children. However, longer programs and longitudinal studies are required.
Spatial Distribution of Plant Species Richness: Context Satchari National Park, Sylhet, Bangladesh

The number of different species varies by place to place. Spatial pattern of species richness varied with the different spatial and that’s why location mapping is necessary. The aim of the study is to map out the spatial pattern of the species richness of a national park as to understand about the conservation of biodiversity or species richness along with different spatial pattern which helps to know how trees, herbs and shrubs are associated using ordinary kriging and regression kriging method and comparing methods explain better variation. In regression kriging elevation (m) is used as a week predictor and interpolation finds that species richness is higher in north zone of the study area. The amount of variation in ordinary kriging is 29.45 per cent and in regression kriging 25.78 per cent and the change in comparison of both ordinary kriging and regression kriging method is very low. The findings of the study support and contrast that species richness higher in the north zone of the study area and the variation of ordinary kriging and regression kriging interpolation is not strong.
Heat Vulnerability and Heat Island Mitigation in the United States

Heat waves are the deadliest type of natural hazard among all weather extremes in the United States. Given the observed and anticipated increase in heat risks associated with ongoing climate change, this study examines community vulnerability to extreme heat and the degree to which heat island mitigation (HIM) actions by state/local governments reduce heat-induced fatalities. The analysis uses all heat events that occurred over the 1996–2011 period for all United States counties to model heat vulnerability. Results show that: (1) Higher income reduces extreme heat vulnerability, while poverty intensifies it; (2) living in mobile homes or rental homes heightens susceptibility to extreme heat; (3) increased heat vulnerability due to the growth of the elderly population is predicted to result in a two-fold increase in heat-related fatalities by 2030; and (4) community heat island mitigation measures reduce heat intensities and thus heat-related fatalities. Findings also show that an additional locally implemented measure reduces the annual death rate by 15%. A falsification test rules out the possibility of spurious inference on the life-saving role of heat island mitigation measures. Overall, these findings inform efforts to protect the most vulnerable population subgroups and guide future policies to counteract the growing risk of deadly heat waves.
Tinker, Thaler, Soldier, Spy: Behavioral Economics of HUMINT Transactions and Source Prioritizations

Behavioral economics or ‘economics and psychology’ is an attempt to extend the explanatory power of economics by developing economic theory on more plausible psychological foundations. Most of its findings and applications pertain to decision-making under conditions of risk and uncertainty. There are two parts of the intelligence process to which an understanding of behavioral economics may be relevant: (1) the transactions and exchanges involved in agent recruitment and agent running; and (2) the task of prioritizing HUMINT sources for interrogation. More generally, any prioritization task involving ranking or ordering is shaped systematically by the human decision-making process.
Characterizing the variability of transit time distributions and young water fractions in karst catchments using flux tracking

Hydrological and biogeochemical processes in karst environments are strongly controlled by heterogeneous fracture‐conduit networks. Quantifying the spatio‐temporal variability of water transit time and young water fractions in such heterogeneous hydrogeological systems is fundamental to linking discharge and water quality dynamics in the karst critical zone. We used a tracer‐aided conceptual hydrological model to track the fate of each hour of rain input individually. Using this approach, the variability of transit time distributions and young water fraction were estimated in the main landscape units in a karst catchment of Chenqi in Guizhou Province, Southwest China. The model predicted that the mean young water (i.e., <~2 months old) fraction of ground conduit flow is 0.31. Marked seasonal variabilities in water storage and hydrological connectivity between the conduit network and fractured matrix, as well as between hillslopes and topographic depression, drive the dynamics of young water fraction and travel time distributions in each landscape unit. Especially, the strong hydrological connectivity between the land surface and underground conduits caused by the direct infiltration through large fractures and sinkholes, leads the drastic increasement in young water fraction of runoff after heavy rain. Even though the contribution of young water to runoff is greater, the strong mixing and drainage of small fractures accelerate the old water release during high flows during the wet season. It is notable that the young water may sometimes be the most contaminated component contributing to the underground conduit network in karst catchments, because of the direct transfer of contaminants from the ground surface with rain water via large fractures and sinkholes.
The Land and the Heroes of Lokris in the Iliad

The presentation of Lokris and the Lokrians in the Iliad is problematic. The entry for Lokris in the Catalogue lists an unusually large number of towns for such a small area, but many of those towns are obscure. Despite the small size of the region of Lokris, it has given the epic not one but two major heroes of very different characters: the Lokrian commander Oilean Aias and Patroklos, Achilles' friend and warrior companion. Although Aias is praised in the Catalogue entry as the greatest of Homeric warriors, elsewhere in the Iliad he is only a second-rank hero and his men, the Lokrians, are relatively insignificant archers. Seeking a resolution of these difficulties, this paper integrates information derived from the text of the Iliad with what is known of the topography and archaeology of Lokris between the Late Mycenaean and Archaic periods. It is concluded that Aias, the more traditional hero, is firmly embedded in Lokris, whereas Patroklos, who appears to be ‘reinvented’ by the poet of the Iliad , has no traditional connection to the land. The contrast between these heroes may reflect the division between the mountainous Epiknemidian and the urban Opountian parts of Lokris. Oilean Aias encapsulates the ancient virtues of the mountain warrior and is linked with Epiknemidian Lokris; Patroklos, with his gentle disposition, is representative of the citizen of the polis and as such is linked to Opous, the capital of Lokris.