cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
INTERDEPENDENCE OF INDUSTRIES AND KEY ECONOMIC SECTORS BASED ON LINKAGE INDICES: EMPHASIS ON AGRICULTURE
Creators: name: Md. Abdul Quddus
name: Md. Abdul Quddus
Publisher: name: Unknown
Year: 2021
Subjects: subject: Agricultural and Food Policy
subject: Agriculture
subject: backward linkage
subject: forward linkage
subject: indices
subject: input-output
subject: key sectors

description: Inter-sectoral linkage using input-output table provides proper strategies for future economic development where the sectors with the highest linkages rouse rapid progress of production, income, and employment. The linkage indices identify the key sectors of the economy that influence efficient application of resources and hence the study will aid the planners and policy makers in resource allocation. The study examined the different empirical measures of inter-industry linkages, inter-dependent of industries and identified the key sectors of an economy. Chenery-Watanabe, Rasmussen, Cella, Harrigan-McGilvray, Dietzenbacher-Van der Linden, and pure linkage techniques were applied for the Bangladesh data. An input output table with 79 sectors constructed and updated by The Bangladesh Institute of Development Studies was used. Agricultural and service sectors showed low backward linkage indices due to input dependence but some of the agro-processing sectors and garments industry occupied higher backward linkage due to heavy dependence on input supplies from the other sectors. Manufacturing sectors were considered as dominant sectors due to higher Rasmussen's 'backward' linkage indices with the least coefficient of variation. Livestock, forestry and cotton were the key agricultural sectors having higher forward linkage indices (1.694, 1.478 and 1.412, respectively) with comparatively low coefficient of variation (2.866, 2.975 and 3.623, respectively). Among the manufacturing industries machinery, other chemicals, fertilizer and readymade garments were the higher ranked backward linkage indices (1.509, 1.443, 1.429 and 1.376, respectively) with low coefficient of variation (4.182, 4.745, 3.335 and 3.538, respectively). The forward linkage indices of Cella and pure linkage methods were very close. Among the service sectors trade, transport, housing and banking were the key sectors according to Cella, Harrigan-McGilvray, Dietzenbacher-Van der Linden, and pure linkage methods. The ranking of sectors was close related for these methods but there was no common sector for both backward (accept rice milling) and forward linkage indices in the comparison of the top ten sectors. Economic impact of the imported inputs embodied in garment export must be evaluated. Investment policy should be made based on inter-industry linkages for adequate employment creation. Interrelationships and relative linkages between agricultural sub sectors should be modeled.
Testing strengths, limitations and biases of current Pulsar Timing Arrays detection analyses on realistic data
Creators: name: Valtolina, Serena
name: Shaifullah, Golam
name: Samajdar, Anuradha
name: Sesana, Alberto
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: State-of-the-art searches for gravitational waves (GWs) in pulsar timing array (PTA) datasets model the signal as an isotropic, Gaussian and stationary process described by a power-law. In practice, none of these properties are expected to hold for an incoherent superposition of GWs generated by a cosmic ensemble of supermassive black hole binaries (SMBHBs), which is expected to be the primary signal in the PTA band. We perform a systematic investigation of the performance of current search algorithms, using a simple power law model to characterize GW signals in realistic datasets. We use, as the baseline dataset, synthetic realisations of timing residuals mimicking the European PTA (EPTA) second data release (DR2). Thus, we include in the dataset uneven time stamps, achromatic and chromatic red noise and multi-frequency observations. We then inject timing residuals from an ideal isotropic, Gaussian, single power-law stochastic process and from a realistic population of SMBHBs, performing a methodical investigation of the recovered signal. We find that current search models are efficient at recovering the GW signal, but several biases can be identified due to the signal-template mismatch, which we identify via probability-probability (P-P) plots and quantify using Kolmogorov-Smirnov (KS) statistics. We discuss our findings in light of the signal observed in the EPTA DR2 and corroborate its consistency with an SMBHB origin.
description: 15 pages, 12 figures, 4 Tables. Published version
Single-hole spectra of Kitaev spin liquids: from dynamical Nagaoka ferromagnetism to spin-hole fractionalization
Creators: name: Kadow, Wilhelm
name: Jin, Hui-Ke
name: Knolle, Johannes
name: Knap, Michael
Publisher: name: arXiv
Year: 2023
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The dynamical response of a quantum spin liquid upon injecting a hole is a pertinent open question. In experiments, the hole spectral function, measured momentum-resolved in angle-resolved photoemission spectroscopy (ARPES) or locally in scanning tunneling microscopy (STM), can be used to identify spin liquid materials. In this study, we employ tensor network methods to simulate the time evolution of a single hole doped into the Kitaev spin-liquid ground state. Focusing on the gapped spin liquid phase, we reveal two fundamentally different scenarios. For ferromagnetic spin couplings, the spin liquid is highly susceptible to hole doping: a Nagaoka ferromagnet forms dynamically around the doped hole, even at weak coupling. By contrast, in the case of antiferromagnetic spin couplings, the hole spectrum demonstrates an intricate interplay between charge, spin, and flux degrees of freedom, best described by a parton mean-field ansatz of fractionalized holons and spinons. Moreover, we find a good agreement of our numerical results to the analytically solvable case of slow holes. Our results demonstrate that dynamical hole spectral functions provide rich information on the structure of fractionalized quantum spin liquids.
description: 17 pages, 11 figures (published version)
PROFITABILITY ANALYSIS AND COMPARATIVE ADVANTAGE OF LENTIL PRODUCTION IN BANGLADESH
Creators: name: M. A. Monayem Miah
name: M. Abdur Rashid
name: M. Sayedur Rahman
name: M. A. Monayem Miah
name: M. Abdur Rashid
name: M. Sayedur Rahman
Publisher: name: Unknown
Year: 2021
Subjects: subject: Agricultural Finance
subject: Crop Production/Industries
subject: Production Economics
subject: Lentil production
subject: cost function
subject: profit function
subject: comparative advantage
subject: Bangladesh

description: The study estimated the profitability and comparative advantage of lentil production in Bangladesh. It analyzed 360 household’s data collected from 240 improved variety users and 120 non-users spread in the six lentil growing districts namely Faridpur, Magura, Kushtia, Jhenaidah, Manikganj, and Sirajganj. Along with descriptive statistics, different models were used for analyzing the data. The yield of improved variety (1.664 t/ha) was much higher than local cultivars (1.08 t/ha). The highest yield was found in medium-intensive growing areas due to the use of better variety and a higher level of inputs. Improved lentil cultivation was profitable from the financial point of view (Tk. 48,165/ha) and an economic perspective (Tk. 15,083/ha). The prices of pesticides, seed, cowdung, and DAP fertilizer were common factors that had a negative significant effect on the net return of both improved and local variety lentil production. The domestic production of improved lentils had a comparative advantage (DRC= 0.72). Some lentil farmers wanted to decrease lentil cultivation due to lack of suitable land, biotic and abiotic stresses, and lack of improved lentil seeds. Farmers should be encouraged to expand their lands for improved lentil cultivation to increase their benefit, improve soil fertility, and for a better comparative advantage of production.
PRACTICE CHANGE IN DRY SEASON CROPPING OF NON-SALINE AREAS IN SOUTHERN BANGLADESH: PERSPECTIVE ON PROJECT INTERVENTION
Creators: name: Md. Taj Uddin
name: Aurup Ratan Dhar
name: Erskine, William
name: M.G. Neogi
name: Md. Taj Uddin
name: Aurup Ratan Dhar
name: Erskine, William
name: M.G. Neogi
Publisher: name: Unknown
Year: 2021
Subjects: subject: Production Economics
subject: Non-saline agriculture
subject: project intervention
subject: practice change
subject: food security
subject: livelihood
subject: Bangladesh

description: Australian Centre for International Agricultural Research (ACIAR) seeks to introduce pulse production as alternative of rice cropping and thus improve the socioeconomic status of the farm households in Southern Bangladesh. This study was carried out to assess the changes on agronomic practices, crop diversification and profitability, women empowerment, and food security and livelihood of non-saline areas’ farmers after the ACIAR project intervention (both cash and kind) at the end-line period. A total of 240 farmers (i.e., 120 focal and 120 control) was investigated during 2020-2021 following stratified random sampling technique from Patuakhali, Barisal, Jhalokathi, and Barguna districts. The collected data were analyzed using a combination of descriptive statistics (sum, averages and percentages) and mathematical analyses (Simpson’s index of cropping diversity, partial budget analysis, women’s empowerment index, food group consumption frequency score and German correlation sensitive poverty index). The majority of the farmers were found to follow the cropping patterns of Fallow – Aman rice – Pulses, Boro rice – Aman rice – Fallow and Aus rice – Aman rice – Pulses. Pulses covered around 37.0 and 33.0 percent of the total cropped area of focal and control farmers, respectively. The average cropping diversity was at medium level for both categories of farmers. The revenue from pulses production was found much higher than rice farming for both focal and control farmers. The extent of women empowerment was increasedat the end-line period by 2.8 and 0.8 percent for focal and control farmers, respectively after adopting the project intervention. The study found focal farm households more food secure compared to control farm households at the end-line period. As a response to the project support, the livelihood of focal farm households improved more than control farm households at the end-line period based on poverty dimensions (71.0 and 65.2 percent, respectively). The study concludes that the project intervention resulted in enhanced crop diversification and farm enterprise profitability, women empowerment, and food security, and livelihood improvement through poverty reduction in the non-saline areas of Southern Bangladesh. The study recommends direct input provision by the government to motivate the farmers continuing pulse production over rice monocropping, and time-to-time monitoring for bringing efficiency in cropping system.
Scalable Multi-Robot Collaboration with Large Language Models: Centralized or Decentralized Systems?
Creators: name: Chen, Yongchao
name: Arkin, Jacob
name: Zhang, Yang
name: Roy, Nicholas
name: Fan, Chuchu
Publisher: name: arXiv
Year: 2023
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: A flurry of recent work has demonstrated that pre-trained large language models (LLMs) can be effective task planners for a variety of single-robot tasks. The planning performance of LLMs is significantly improved via prompting techniques, such as in-context learning or re-prompting with state feedback, placing new importance on the token budget for the context window. An under-explored but natural next direction is to investigate LLMs as multi-robot task planners. However, long-horizon, heterogeneous multi-robot planning introduces new challenges of coordination while also pushing up against the limits of context window length. It is therefore critical to find token-efficient LLM planning frameworks that are also able to reason about the complexities of multi-robot coordination. In this work, we compare the task success rate and token efficiency of four multi-agent communication frameworks (centralized, decentralized, and two hybrid) as applied to four coordination-dependent multi-agent 2D task scenarios for increasing numbers of agents. We find that a hybrid framework achieves better task success rates across all four tasks and scales better to more agents. We further demonstrate the hybrid frameworks in 3D simulations where the vision-to-text problem and dynamical errors are considered. See our project website https://yongchao98.github.io/MIT-REALM-Multi-Robot/ for prompts, videos, and code.
description: 7 pages, 8 figures
Neuromorphic Imaging with Joint Image Deblurring and Event Denoising
Creators: name: Zhang, Pei
name: Liu, Haosen
name: Ge, Zhou
name: Wang, Chutian
name: Lam, Edmund Y.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Image and Video Processing (eess.IV)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Neuromorphic imaging reacts to per-pixel brightness changes of a dynamic scene with high temporal precision and responds with asynchronous streaming events as a result. It also often supports a simultaneous output of an intensity image. Nevertheless, the raw events typically involve a large amount of noise due to the high sensitivity of the sensor, while capturing fast-moving objects at low frame rates results in blurry images. These deficiencies significantly degrade human observation and machine processing. Fortunately, the two information sources are inherently complementary -- events with microsecond-level temporal resolution, which are triggered by the edges of objects recorded in a latent sharp image, can supply rich motion details missing from the blurry one. In this work, we bring the two types of data together and introduce a simple yet effective unifying algorithm to jointly reconstruct blur-free images and noise-robust events in an iterative coarse-to-fine fashion. Specifically, an event-regularized prior offers precise high-frequency structures and dynamic features for blind deblurring, while image gradients serve as a kind of faithful supervision in regulating neuromorphic noise removal. Comprehensively evaluated on real and synthetic samples, such a synergy delivers superior reconstruction quality for both images with severe motion blur and raw event streams with a storm of noise, and also exhibits greater robustness to challenging realistic scenarios such as varying levels of illumination, contrast and motion magnitude. Meanwhile, it can be driven by much fewer events and holds a competitive edge at computational time overhead, rendering itself preferable as available computing resources are limited. Our solution gives impetus to the improvement of both sensing data and paves the way for highly accurate neuromorphic reasoning and analysis.
description: 16 pages, 19 figures, and 3 tables. Accepted by IEEE Transactions on Image Processing
Beam induced heating in electron microscopy modeled with machine learning interatomic potentials
Creators: name: Valencia, Cuauhtemoc Nuñez
name: Lomholdt, William Bang
name: Larsen, Matthew Helmi Leth
name: Hansen, Thomas W.
name: Schiøtz, Jakob
Publisher: name: arXiv
Year: 2023
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We develop a combined theoretical and experimental method for estimating the amount of heating that occurs in metallic nanoparticles that are being imaged in an electron microscope. We model the thermal transport between the nanoparticle and the supporting material using molecular dynamics and eqivariant neural network potentials. The potentials are trained to Density Functional Theory (DFT) calculations, and we show that an ensemble of potentials can be used as an estimate of the errors the neural network make in predicting energies and forces. This can be used both to improve the networks during the training phase, and to validate the performance when simulating systems too big to be described by DFT. The energy deposited into the nanoparticle by the electron beam is estimated by measuring the mean free path of the electrons and the average energy loss, both are done with Electron Energy Loss Spectroscopy (EELS) within the microscope. In combination, this allows us to predict the heating incurred by a nanoparticle as a function of its size, its shape, the support material, and the electron beam energy and intensity.
description: 20 pages including supplementary online information (included in the PDF)
title: CFPR: interview avec BEL2020_0157
Creators: name: Delafontaine, François
name: Avanzi, Mathieu
Publisher: name: COCOON - https://cocoon.huma-num.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2022
Subjects: subject: Français
subject: fra

description: Conforms to: Praat textgrid
description: Conforms to: doi:10.34847/cocoon.69c4fa74-f324-3ddb-9f1a-580867fd5826
description: Conforms to: doi:10.34847/cocoon.69c4fa74-f324-3ddb-9f1a-580867fd5826
description: Source: https://nakala.fr/10.34847/nkl.bf71kny6.v3#e6fd795e3122ee686444de813cc2836c8d5cce6d
AI-Dentify: Deep learning for proximal caries detection on bitewing x-ray -- HUNT4 Oral Health Study
Creators: name: de Frutos, Javier Pérez
name: Helland, Ragnhild Holden
name: Desai, Shreya
name: Nymoen, Line Cathrine
name: Langø, Thomas
name: Remman, Theodor
name: Sen, Abhijit
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences
subject: I.2.10; I.2.1

description: Background: Dental caries diagnosis requires the manual inspection of diagnostic bitewing images of the patient, followed by a visual inspection and probing of the identified dental pieces with potential lesions. Yet the use of artificial intelligence, and in particular deep-learning, has the potential to aid in the diagnosis by providing a quick and informative analysis of the bitewing images.
 Methods: A dataset of 13,887 bitewings from the HUNT4 Oral Health Study were annotated individually by six different experts, and used to train three different object detection deep-learning architectures: RetinaNet (ResNet50), YOLOv5 (M size), and EfficientDet (D0 and D1 sizes). A consensus dataset of 197 images, annotated jointly by the same six dentist, was used for evaluation. A five-fold cross validation scheme was used to evaluate the performance of the AI models.
 Results: he trained models show an increase in average precision and F1-score, and decrease of false negative rate, with respect to the dental clinicians. When compared against the dental clinicians, the YOLOv5 model shows the largest improvement, reporting 0.647 mean average precision, 0.548 mean F1-score, and 0.149 mean false negative rate. Whereas the best annotators on each of these metrics reported 0.299, 0.495, and 0.164 respectively.
 Conclusion: Deep-learning models have shown the potential to assist dental professionals in the diagnosis of caries. Yet, the task remains challenging due to the artifacts natural to the bitewing images.
description: 24 pages, 5 figure, 7 tables
FINANCIAL PERFORMANCE AND PRODUCTIVITY DETERMINANTS OF FISH FARMS IN BANGLADESH
Creators: name: Ashif Ahmed
name: Md. Masudul Haque Prodhan
name: Md. Zohurul Islam
name: Islam, Kazi Tasnim
name: Sandip Mitra
name: Md. Akhtaruzzaman Khan
name: Ashif Ahmed
name: Md. Masudul Haque Prodhan
name: Md. Zohurul Islam
name: Islam, Kazi Tasnim
name: Sandip Mitra
name: Md. Akhtaruzzaman Khan
Publisher: name: Unknown
Year: 2021
Subjects: subject: Agribusiness
subject: Production Economics
subject: Financial performance
subject: productivity
subject: profitability
subject: financial position
subject: aquaculture

description: Financial performance gives insight into key indicators of the financial health of the fish farms. Therefore, the study focused on financial performance and factors affecting productivity of pangas and tilapia fish farms in Bangladesh. Based on random selection, 636 fish farms consisting of 323 pangas and 313 tilapia were chosen from seven districts and interviewed directly. Descriptive statistics was used to evaluate the financial performance of the farms. In addition, a Cobb-Douglas type production function was used to determine the effect of factors on productivity of the pangas and tilapia farms. The study revealed that the pangas and tilapia farms were commercially profitable as the BCR is higher than unity. The break-even production and sale value ensure that both farms were profitable. The study also revealed positive net worth for both of the fish farms, which implies that the farmers are able to cover their current liabilities. The current ratio was >1 and positive working capital ensured the liquidity of farms. Besides, higher equity to asset ratio, lower debt to asset ratio, and lower debt to equity ratio indicates the better solvency of the farms. Conversely, higher debt structure ratio for both pangas and tilapia indicated the shortage of long-term debt. Furthermore, the study showed the significant positive relationship of fingerling quantity, feed cost, and water cleaning cost with productivity while debt structure ratio had negative relation to the productivity. Therefore, the study suggests providing long-term debt more for improving the financial performance of pangas and tilapia fish farms.
Denosumab reduces early migration in total knee replacement
Creators: name: Ledin, Håkan
name: Good, Lars
name: Aspenberg, Per
Publisher: name: Taylor & Francis
Year: 2017
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Ecology
subject: Cancer

description: Background and purpose — Aseptic loosening is a main cause of late revision in total knee replacement (TKR). Migration of implants as measured by radiostereometric analysis (RSA) can predict future loosening. This migration is associated with bone resorption. Denosumab is a human monoclonal antibody that binds to receptors on osteoclast precursors and osteoclasts. This prevents osteoclast formation, resulting in less bone resorption in cortical and trabecular bone. We investigated whether denosumab can reduce migration of TKR, as measured with RSA. Patients and methods — In this 2-center, randomized, double-blind placebo-controlled trial, 50 patients with osteoarthritis of the knee were treated with an injection of either denosumab (60 mg) or placebo 1 day after knee replacement surgery and again after 6 months. RSA was performed postoperatively and after 6, 12, and 24 months. The primary effect variable was RSA maximal total point motion (MTPM) after 12 months. We also measured other RSA variables and the knee osteoarthritis outcome score (KOOS). Results — The primary effect variable, MTPM after 12 months, showed that migration in the denosumab group was statistically significantly less than in the controls. Denosumab MTPM 12 months was reduced by one-third (denosumab: median 0.24 mm, 10% and 90% percentiles: 0.15 and 0.41; placebo: median 0.36 mm, 10% and 90% percentiles: 0.20 and 0.62). The secondary MTPM variables (6 and 24 months) also showed a statistically significant reduction in migration. There was no significant difference in MTPM for the period 12–24 months. KOOS sub-variables were similiar between denosumab and placebo after 12 and 24 months. Interpretation — Denosumab reduces early migration in total knee replacement, as in previous trials using bisphosphonates. As migration is related to the risk of late loosening, denosumab may be beneficial for long-term results.
A note on Gauss operators and quantizations of Yang-Mills theories
Creators: name: Bucciotti, Bruno
name: Strocchi, Franco
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The quantization of Yang-Mills field theories requires the introduction of a gauge fixing which leads to a violation of the Local Gauss Law described by the so-called Gauss operator. We discuss the local quantizations of Yang-Mills theories in terms of the possible Gauss operators, which are argued to have a more physical meaning than the gauge fixings. We focus the attention on the local quantizations which leave the global gauge group and a subgroup of local gauge transformations unbroken, as the Feynman quantization of quantum Electrodynamics, and show that in the non-abelian case such properties cannot be realized together with Lorentz covariance; thus, quite generally, one cannot have the structural properties of the Feynman quantization of Quantum Electrodynamics. By relaxing the condition of Lorentz covariance, we obtain a classification of Gauss operators, which satisfy gauge covariant conservation laws and generate non-trivial residual subgroups of local gauge transformations.
description: v2: published in PRD. Fixed minor typos
No effect of teriparatide on migration in total knee replacement
Creators: name: Ledin, Håkan
name: Good, Lars
name: Johansson, Torsten
name: Aspenberg, Per
Publisher: name: Taylor & Francis
Year: 2017
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer

description: Background and purpose — Aseptic loosening is a main cause of late revision in total knee replacement (TKR). Teriparatide, a recombinant parathyroid hormone (PTH), stimulates osteoblasts and has been suggested to improve cancellous bone healing in humans. This might also be relevant for prosthesis fixation. We used radiostereometric analysis (RSA) to investigate whether teriparatide influences prosthesis fixation. Early migration as measured by RSA can predict future loosening. Patients and methods — In a randomized controlled trial with blind evaluation, 50 patients with osteoarthritis of the knee were allocated to a teriparatide treatment group (Forsteo, 20 μg daily for 2 months postoperatively) or to an untreated control group. RSA was performed postoperatively and at 6 months, 12 months, and 24 months. The primary effect variable was maximal total point motion (MTPM) from 12 to 24 months. Results — Median maximal total point motion from 12 to 24 months was similar in the 2 groups (teriparatide: 0.14 mm, 10% and 90% percentiles: 0.08 and 0.24; control: 0.13 mm, 10% and 90% percentiles: 0.09 and 0.21). [Authors: this is perhaps better than using "10th" and "90th", which looks ugly in print./language editor] The 95% confidence interval for the difference between group means was −0.03 to 0.04 mm, indicating that no difference occurred. Interpretation — We found no effect of teriparatide on migration in total knee replacement. Other trials using the same dosing have suggested a positive effect of teriparatide on human cancellous fracture healing. Thus, the lack of effect on migration may have been due to something other than the dose. In a similar study in this issue of Acta Orthopaedica, we found that migration could be reduced with denosumab (Ledin et al.2017). The difference in response between the anabolic substance teriparatide and the antiresorptive denosumab suggests that resorption has a more important role during the postoperative course than any deficit in bone formation.
Black hole graviton and quantum gravity
Creators: name: Kimura, Yusuke
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Drawing from a thought experiment that we conduct, we propose that a virtual graviton gives rise to a black hole geometry when its momentum surpasses a certain threshold value on the Planck scale. This hypothesis implies that the propagator of a virtual graviton, that possesses momentum surpassing this threshold, vanishes. Consequently, a Feynman diagram containing this type of graviton propagator does not add to the overall amplitude. This mechanism suggests the feasibility of formulating an ultraviolet-finite four-dimensional quantum gravitational theory. The elementary particles including the gravitons are treated as point particles in this formulation.
description: 12 pages
GROWTH AND FORECASTING OF BADC AND NATIONAL BORO SEED PRODUCTION IN BANGLADESH: AN EMPIRICAL STUDY
Creators: name:   Md. Shahin Mia
name: Md. Taj Uddin
name: Kabir, Humayun
name: M. A. Monayem Miah
name:   Md. Shahin Mia
name: Md. Taj Uddin
name: Kabir, Humayun
name: M. A. Monayem Miah
Publisher: name: Unknown
Year: 2021
Subjects: subject: Agricultural and Food Policy
subject: Demand and Price Analysis
subject: Boro seed
subject: Growth
subject: Forecasting
subject: BADC
subject: Bangladesh

description: The study focused on the analysis of growth and forecasting of BADC and national Boro seed production in Bangladesh. Time series data were obtained from the published annual reports of BADC covering the period from 1990-91 to 2019-20 and national Boro seed production data were collected from seed wing, Ministry of Agriculture for the period of 2005-06 to 2019-20. It was found from the growth analysis that the production of BADC and national Boro seed have been registered positive and significant growth during the above mention period. The exponential growth model revealed that BADC and national Boro seed production have been increased by 11.04% and 5.12% per annum, respectively and their trend coefficients were positive. The prediction of BADC and national Boro seed production were made for the next ten years (2020-21 to 2029-30). ARIMA (0, 2, 1) and the exponential growth model showed that if the present growth rate is continued, BADC and national Boro seed production will be 80447.35 MT and 203512.26 MT, respectively in the year 2029-2030. The study recommended that the adequate supply of Boro seed to the farmers have improved their socioeconomic condition through the increased production of Boro rice in Bangladesh.
title: CFPR: interview avec BEL2020_0156
Creators: name: Delafontaine, François
name: Avanzi, Mathieu
Publisher: name: COCOON - https://cocoon.huma-num.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2021
Subjects: subject: Français
subject: fra

description: Conforms to: doi:10.34847/cocoon.69c4fa74-f324-3ddb-9f1a-580867fd5826
description: Conforms to: Praat textgrid
description: Conforms to: doi:10.34847/cocoon.69c4fa74-f324-3ddb-9f1a-580867fd5826
description: Source: https://nakala.fr/10.34847/nkl.608fm24u.v3#5a795368fcb64032704e892a0b0584c2ef1679b3
Generating scalable graph states in an atom-nanophotonic interface
Creators: name: Chien, C. -H.
name: Goswami, S.
name: Wu, C. -C.
name: Hiew, W. -S.
name: Chen, Y. -C.
name: Jen, H. H.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: Scalable graph states are essential for measurement-based quantum computation and many entanglement-assisted applications in quantum technologies. Generation of these multipartite entangled states requires a controllable and efficient quantum device with delicate design of generation protocol. Here we propose to prepare high-fidelity and scalable graph states in one and two dimensions, which can be tailored in an atom-nanophotonic cavity via state carving technique. We propose a systematic protocol to carve out unwanted state components, which facilitates scalable graph states generations via adiabatic transport of a definite number of atoms in optical tweezers. An analysis of state fidelity is also presented, and the state preparation probability can be optimized via multiqubit state carvings and sequential single-photon probes. Our results showcase the capability of an atom-nanophotonic interface for creating graph states and pave the way toward novel problem-specific applications using scalable high-dimensional graph states with stationary qubits.
description: 5 figures with supplemental material
title: The role of prediction in language learning: evaluating error-based theories of language acquisition
Creators: name: Fazekas, Judit
Publisher: name: University of Liverpool Repository
Year: 2020

description: This project examines prediction’s role in language acquisition by assessing the projections of error-based language acquisition theories, specifically the Dual-path model. It seeks to expand on results obtained by the prime surprisal paradigm and to develop novel studies building on this method. In Chapter 2, we examined whether prime surprisal appears with passive as well as dative structures in adults. While we found a numerical, but non-significant prime surprisal effect in the dative study, no such effects appeared with passives. In Chapter 3, in a four-stage prime surprisal-based intervention study we examined whether surprising sentences lead to more learning than predictable ones. Here we found preliminary evidence for enhanced learning rates for abstract structures after surprising input with 5-6 year-old child participants. These long-term effects were stronger in younger children, although they were dissociated from immediate prime surprisal. We found no significant evidence for verb-dependent error-based learning effects in either group or for an abstract learning effect in the adult group alone. In Chapter 4 we compared the ERPs associated with predictable and surprising dative sentences in adult participants and found an enhanced N400 effect in surprising (as opposed to predictable) DOD (double object dative) sentences but we found no such effect in prepositional (PD) sentences. We also found no significant differences in the P600 region. While the N400 effect shows predictability-related processing differences, based on these results alone we cannot determine whether these differences are the result of active prediction or differences in the ease of integration. Some of our key results (such as the replication of immediate prime surprisal effects in two of our studies, the preliminary evidence for enhanced learning rate with unexpected structures or the N400 effects) support error-based learning theories. However, other results (such as the dissociation of immediate prime surprisal and longer-term learning effects or the lack of P600 effect in surprising sentences) raise questions about the exact nature of the mechanism leading to these effects and warrant further examination.
Measurement of cesium $8\,^2P_{J}\rightarrow 6\,^2P_{J'}$ electric quadrupole transition probabilities using fluorescence spectroscopy
Creators: name: Wang, Jing
name: Miyamoto, Yuki
name: Hara, Hideaki
name: Tanaka, Minoru
name: Tashiro, Motomichi
name: Sasao, Noboru
Publisher: name: arXiv
Year: 2024
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Fluorescence spectra of the $8P_{J} \rightarrow 6P_{J'}$ ($J$ and $J'$ = 3/2, 1/2) electric quadrupole transition of cesium atoms have been observed with a heated cesium vapor cell. We determined the ratio of the transition probabilities of $8P_{J}\rightarrow6P_{J'}$ to $8P_{J}\rightarrow5D_{3/2}$ by comparing their respective photon emission rates. The results are in good agreement with our theoretical calculations. These measurements provide crucial parameters for tests of coherent amplification method and improve knowledge of cesium properties which are essential to dark matter detection through atomic transitions.
description: 10 pages, 6 figures
Utilizando o Mendeley - Módulo 1
Creators: name: Lima, Juliana
Publisher: name: figshare
Year: 2017
Subjects: subject: Library and Information Studies
subject: FOS: Media and communications
subject: 80799 Library and Information Studies not elsewhere classified
subject: 80706 Librarianship
subject: 89999 Information and Computing Sciences not elsewhere classified
subject: FOS: Computer and information sciences

description: How to use Mendeley. Part 1.
Models of co-operation in Germany’s migrant services
Creators: name: Lovelady, Beth L.
name: Grabbe, Christina
Publisher: name: Freie Universität Berlin
Year: 2020
Subjects: subject: Deutschland
subject: Migration
subject: soziale Organisationen
subject: Germany
subject: migration
subject: social organizations
subject: 300 Sozialwissenschaften::320 Politikwissenschaft::320 Politikwissenschaft
subject: 300 Sozialwissenschaften::320 Politikwissenschaft::322 Beziehungen des Staats zu organisierten Gruppen
subject: 300 Sozialwissenschaften::350 Öffentliche Verwaltung, Militärwissenschaft::351 Öffentliche Verwaltung

description: This comparative research project looks at the co-operation between state and social organizations (SOs) in China and Germany. It focusses on social service delivery in the area of integration of migrating populations with special attention to the fields of education, employment, vulnerable groups and social assistance (incl. legal aid) as a crosscutting issue to all of the fields. Within this subject area, the project wants to identify different models of state-SO co-operation and analyze which models are successful and why and where this co-operation is problematic. It aims to capture the different models of co-operation in Germany and China, to analyze and compare the underlying structures and to show potentialities for development.
Ambient temperature versus ambient acceleration in the circular motion Unruh effect
Creators: name: Bunney, Cameron R. D.
name: Parry, Leo
name: Perche, T. Rick
name: Louko, Jorma
Publisher: name: arXiv
Year: 2023
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: It is well known that the experience of a linearly accelerated observer with acceleration $a$, interacting with a massless scalar field in its vacuum state in $3+1$ Minkowski spacetime, is identical to that of a static observer interacting with a massless scalar field in a thermal state of temperature $a/2π$ in $3+1$ Minkowski spacetime. We study the robustness of this duality by comparing an observer undergoing circular motion in a thermal bath with an observer that undergoes circular motion around a linearly accelerated trajectory. We find that in most regimes, observers in these two cases experience the field in different ways, and are generally able to tell the difference between the two cases by measuring observables localized along their trajectories.
description: 19 pages, 3 figures. v2: sections 2 and 6 expanded after referee comments. v3: typos corrected. v4: added post-publication note
title: CFPR: interview avec BEL2020_0155
Creators: name: Delafontaine, François
name: Avanzi, Mathieu
Publisher: name: COCOON - https://cocoon.huma-num.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2021
Subjects: subject: Français
subject: fra

description: Conforms to: doi:10.34847/cocoon.69c4fa74-f324-3ddb-9f1a-580867fd5826
description: Conforms to: Praat textgrid
description: Conforms to: doi:10.34847/cocoon.69c4fa74-f324-3ddb-9f1a-580867fd5826
description: Source: https://nakala.fr/10.34847/nkl.52bfklj5.v3#8672124f259982fc14c922373f64267985d5cc89
title: CFPR: interview avec BEL2020_0154
Creators: name: Delafontaine, François
name: Avanzi, Mathieu
Publisher: name: COCOON - https://cocoon.huma-num.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2022
Subjects: subject: Français
subject: fra

description: Conforms to: Praat textgrid
description: Conforms to: doi:10.34847/cocoon.69c4fa74-f324-3ddb-9f1a-580867fd5826
description: Conforms to: doi:10.34847/cocoon.69c4fa74-f324-3ddb-9f1a-580867fd5826
description: Source: https://nakala.fr/10.34847/nkl.082bb446.v3#2ebc0160a66e43df05be147e1226545776aca813
DFT and MD study of adsorption sensitivity of aluminium phosphide nanotube towards some air pollutant gas molecules
Creators: name: Zaboli, Maryam
name: Heidar Raissi
Publisher: name: Taylor & Francis
Year: 2017
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified

description: To investigate the adsorption behaviour of CS2, CO2, SO2, H2Se and H2S gas molecules on the external surface of (6, 0) single-walled aluminium phosphide nanotube (AlPNT), the density functional theory (DFT) calculations at the B3LYP level of theory are performed. The partial densities of states (PDOS) for the SO2 molecule, the S and O atoms of SO2 molecule before and after adsorption on the surface of AlPNT have been plotted. The vibrational frequencies and physical properties such as chemical potential, chemical hardness, dipole moment and chemical electrophilicity of all studied complexes have been systematically investigated. The electron density and the Laplacian of the electron density for bond critical points have been examined by the AIM theory. Also the molecular dynamics (MD) simulations of two complexes with the minimum and maximum negative interaction energies that is: AlPNT/CO2 and AlPNT/SO2 complexes, respectively, have been considered.
title: CFPR: interview avec FRA2019_0041
Creators: name: Delafontaine, François
name: Avanzi, Mathieu
Publisher: name: COCOON - https://cocoon.huma-num.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2021
Subjects: subject: Français
subject: fra

description: Conforms to: doi:10.34847/cocoon.69c4fa74-f324-3ddb-9f1a-580867fd5826
description: Conforms to: Praat textgrid
description: Conforms to: doi:10.34847/cocoon.69c4fa74-f324-3ddb-9f1a-580867fd5826
description: Source: https://nakala.fr/10.34847/nkl.15732rp0.v4#1e1d3119768531946b4ce5e550f1d35adc65dea4
String Thermodynamics In and Out of Equilibrium: Boltzmann Equations and Random Walks
Creators: name: Frey, Andrew R.
name: Mahanta, Ratul
name: Maharana, Anshuman
name: Muia, Francesco
name: Quevedo, Fernando
name: Villa, Gonzalo
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We revisit the study of string theory close to the Hagedorn temperature with the aim towards cosmological applications. We consider interactions of open and closed strings in a gas of D$p-$branes, and/or one isolated D$p$-brane, in an arbitrary number $d$ of flat non-compact dimensions and general compact dimensions. Leading order string perturbation theory is used to obtain the basic interaction rates in a flat background, which are shown to be consistent with the random walk picture of highly excited strings that should apply in more general backgrounds. Using the random walk interpretation we infer the structure of more general semi-inclusive string scattering rates and then write down the corresponding Boltzmann equations describing ensembles of highly excited closed and open strings. We organise the interaction terms in Boltzmann equations so that detailed balance becomes manifest. We obtain the equilibrium solutions and show that they reduce to previously computed solutions for $d=0$. We further study the behaviour of non-equlibrium fluctuations and find explicit analytic expressions for the equilibration rates (and for the number of open strings in $d=0$). Potential implications for an early universe with strings at high temperatures are outlined.
description: 32 pages + Appendix. 3 figures. v2: added references, typos corrected, added a subsection in the conclusion with a discussion of caveats and future directions. Edited appendix C for clarity at editor request. Matches published version
Symmetric improved estimators for multipoint vertex functions
Creators: name: Lihm, Jae-Mo
name: Halbinger, Johannes
name: Shim, Jeongmin
name: von Delft, Jan
name: Kugler, Fabian B.
name: Lee, Seung-Sup B.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Multipoint vertex functions, and the four-point vertex in particular, are crucial ingredients in many-body theory. Recent years have seen significant algorithmic progress toward numerically computing their dependence on multiple frequency arguments. However, such computations remain challenging and are prone to suffer from numerical artifacts, especially in the real-frequency domain. Here, we derive estimators for multipoint vertices that are numerically more robust than those previously available. We show that the two central steps for extracting vertices from correlators, namely the subtraction of disconnected contributions and the amputation of external legs, can be achieved accurately through repeated application of equations of motion, in a manner that is symmetric with respect to all frequency arguments and involves only fully renormalized objects. The symmetric estimators express the core part of the vertex and all asymptotic contributions through separate expressions that can be computed independently, without subtracting the large-frequency limits of various terms with different asymptotic behaviors. Our strategy is general and applies equally to the Matsubara formalism, the real-frequency zero-temperature formalism, and the Keldysh formalism. We demonstrate the advantages of the symmetric improved estimators by computing the Keldysh four-point vertex of the single-impurity Anderson model using the numerical renormalization group.
description: 36 pages, 23 figures
HYSSOPUS OFFICINALIS СУТКАЛИК ВА МАВСУМИЙ ГУЛЛАШ ДИНАМИКАСИ
Creators: name: Фахриддинова, Д.К.
name: Хамраева, Д.Т.
Publisher: name: Zenodo
Year: 2025

description: Тошкент ботаника боғи шароитида интродукция қилинган Hyssopus officinalis нинг 2021 йилда кунлик ва мавсумий гуллаш динамикаси ўрганилди. Ўсимликнинг гуллаш даврининг давомийлигига, кунлик ва мавсумий гуллаш динамикасининг ўзгаришига экологик омилларнинг таъсир кўрсатиши аниқланди.