cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Total cross sections for neutron-nucleus scattering
Creators: name: Suryanarayana, S. V.
name: Naik, H.
name: Ganesan, S.
name: Kailas, S.
name: Choudhury, R. K.
name: Kim, Guinyum
Publisher: name: arXiv
Year: 2010
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Systematics of neutron scattering cross sections on various materials for neutron energies up to several hundred MeV are important for ADSS applications. Ramsauer model is well known and widely applied to understand systematics of neutron nucleus total cross sections. In this work, we examined the role of nuclear effective radius parameter (r$_0$) on Ramsauer model fits of neutron total cross sections. We performed Ramsauer model global analysis of the experimental neutron total cross sections reported by W. P. Abfalterer, F. B. Bateman, {\it et. al.,}, from 20MeV to 550MeV for nuclei ranging from Be to U . The global fit functions which can fit total cross section data over periodic table are provided along with the required global set of parameters. The global fits predict within $\pm 8%$ deviation to data, showing the scope for improvement. It has been observed that a finer adjustment of r$_0$ parameter alone can give very good Ramsauer model description of neutron total scattering data within $\pm 4%$ deviation. The required r$_0$ values for Ramsauer model fits are shown as a function of nuclear mass number and an empirical formula is suggested for r$_0$ values as a function of mass number. In optical model approach for neutron scattering, we have modified the real part of Koning-Deleroche potentails to fit the neutron total cross sections using SCAT2 code. The modified potentails have a different energy dependence beyond 200MeV of neutron energy and fit the total cross sections from Al to Pb.
description: 9 pages, 20figures, Poster number ND-1457, ND2010 Conference in Korea
Shape resonance for the anisotropic superconducting gaps near a Lifshitz transition: the effect of electron hopping between layers
Creators: name: Innocenti, Davide
name: Caprara, Sergio
name: Poccia, Nicola
name: Ricci, Alessandro
name: Valletta, Antonio
name: Bianconi, Antonio
Publisher: name: arXiv
Year: 2010
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: The multigap superconductivity modulated by quantum confinement effects in a superlattice of quantum wells is presented. Our theoretical BCS approach captures the low-energy physics of a shape resonance in the superconducting gaps when the chemical potential is tuned near a Lifshitz transition. We focus on the case of weak Cooper-pairing coupling channels and strong pair exchange interaction driven by repulsive Coulomb interaction that allows to use the BCS theory in the weak-coupling regime neglecting retardation effects like in quantum condensates of ultracold gases. The calculated matrix element effects in the pairing interaction are shown to yield a complex physics near the particular quantum critical points due to Lifshitz transitions in multigap superconductivity. Strong deviations of the ratio $2Δ/T_c$ from the standard BCS value as a function of the position of the chemical potential relative to the Lifshitz transition point measured by the Lifshitz parameter are found. The response of the condensate phase to the tuning of the Lifshitz parameter is compared with the response of ultracold gases in the BCS-BEC crossover tuned by an external magnetic field. The results provide the description of the condensates in this regime where matrix element effects play a key role.
description: 12 pages, 6 figures
Statistical model for making informed decisions on the purchase of used farm equipment
Creators: name: Baxter, Jackson O.
name: Delmond, Anthony R.
name: Mehlhorn, Sandy
name: Cole, John
name: Mehlhorn, Joey E.
name: Baxter, Jackson O.
name: Delmond, Anthony R.
name: Mehlhorn, Sandy
name: Cole, John
name: Mehlhorn, Joey E.
Publisher: name: Unknown
Year: 2021
Subjects: Agribusiness
Community/Rural/Urban Development
Agricultural Finance

description: Presentation 20314
spikeSlabGAM: Bayesian Variable Selection, Model Choice and Regularization for Generalized Additive Mixed Models in R
Creators: name: Scheipl, Fabian
Publisher: name: arXiv
Year: 2011
Subjects: subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: The R package spikeSlabGAM implements Bayesian variable selection, model choice, and regularized estimation in (geo-)additive mixed models for Gaussian, binomial, and Poisson responses. Its purpose is to (1) choose an appropriate subset of potential covariates and their interactions, (2) to determine whether linear or more flexible functional forms are required to model the effects of the respective covariates, and (3) to estimate their shapes. Selection and regularization of the model terms is based on a novel spike-and-slab-type prior on coefficient groups associated with parametric and semi-parametric effects.
Relevance and effectiveness of best management practices to mitigate cryptosporidium contamination of drinking water from community watersheds in British Columbia by grazing cattle
Creators: name: Duhaime, Keith Joseph Ovide
Publisher: name: University of British Columbia
Year: 2019

description: The literature has shown that grazing cattle can potentially contaminate surface drinking water with Cryptosporidium parvum (C. parvum), a public health concern. In 2010, an audit by the British Columbia’s (BC) Forest Practices Board sampled cattle faeces in Oyama Creek watershed that tested positive for Cryptosporidium. In response, stakeholders piloted six best management practices (BMPs) to mitigate the perceived risk to human health, including access scheduling, exclusion fencing, controlled access to water, off-stream watering, key area management, and silvopasture. A review of the literature revealed that these practices should avert human health risks. To verify BMP effectiveness, water, cattle faeces, and sediment samples were collected from May to October during 2013, 2014, and 2015, and analyzed for Cryptosporidium presence and Escherichia coli. Cryptosporidium positive samples were sequenced to determine species. The maximum concentration of Cryptosporidium oocysts detected was 17.1 oocyst/l in an ephemeral tributary to Vernon Creek and 12.9 oocyst/l at the Oyama Creek intake, both well below what Canadian drinking water treatment systems are designed to remove. Successfully sequenced samples were identified as C. andersoni, which is not generally problematic to human health. This indicates that normal BC ranching practices mitigate the hazard even without BMPs. E.coli presence did not correlate with Cryptosporidium presence. Of the BMPs tested, access scheduling, keeping young calves away from vulnerable streams seems very effective. Exclusion fences and key area management are also effective. Controlled access watering as implemented proved problematic. No conclusions about off-stream watering or silvopasture could be made on the basis of the samples collected. BC Centre for Disease Control (BCCDC) provided data for 56 cryptosporidiosis incidences from 2005 to 2014 in the nine Local Health Reporting Areas (LHAs) of the Okanagan Health Services Delivery Area (HSDA). The presence of grazing cattle in watersheds did not correlate with increased incidences of cryptosporidiosis in LHAs. The conclusion from both the field and lab research, and the analysis of the BCCDC data is that grazing cattle in community watersheds in BC are not the risk to human health for cryptosporidiosis they might be perceived to be.
Quantum decoherence in a hybrid atom-optical system of a one-dimensional coupled-resonator waveguide and an atom
Creators: name: Lu, Jing
name: Zhou, Lan
name: Fu, H. C.
name: Kuang, Le-Man
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Decoherence for a one-dimensional coupled-resonator waveguide with a two-level system inside one of resonators, induced by their interaction with corresponding environments, is investigated. Each environment is modeled as a continuum of harmonic oscillators. By finding the eigenstates of the hybrid system, which is the dressed state of the hybrid system, we calculate the lifetime of one excitation, which characterizes the existence of quantum coherence in such hybrid system and the basic quantum nature.
description: 7 pages, 3 figures, to appear in Phys. Rev. A
title: Ð¡Ð¾Ð²ÐµÑÑÐµÐ½ÑÑÐ²Ð¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ¸ÑÑÐµÐ¼Ñ Ð³ÑÐ°Ð¶Ð´Ð°Ð½ÑÐºÐ¾Ð¹ Ð¾Ð±Ð¾ÑÐ¾Ð½Ñ Ð¸ Ð·Ð°ÑÐ¸ÑÑ Ð¾Ñ ÑÑÐµÐ·Ð²ÑÑÐ°Ð¹Ð½ÑÑ ÑÐ¸ÑÑÐ°ÑÐ¸Ð¹ Ð½Ð° Ð¾Ð±ÑÐµÐºÑÐµ ÐºÑÐ»ÑÑÑÑÐ½Ð¾Ð³Ð¾ Ð½Ð°ÑÐ»ÐµÐ´Ð¸Ñ Ð Ð¾ÑÑÐ¸Ð¹ÑÐºÐ¾Ð¹ Ð¤ÐµÐ´ÐµÑÐ°ÑÐ¸Ð¸
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Improvement of the system of civil defense and protection against emergencies at the cultural heritage site of the Russian Federation
Creators: name: ÐÐ°ÑÐ¸Ð»ÐµÐ½ÐºÐ¾, Ð®Ð»Ð¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2018
Subjects: Ð¾Ð±ÑÐµÐºÑÑ ÐºÑÐ»ÑÑÑÑÐ½Ð¾Ð³Ð¾ Ð½Ð°ÑÐ»ÐµÐ´Ð¸Ñ
ÑÐ¾Ñ ÑÐ°Ð½ÐµÐ½Ð¸Ðµ
Ð±ÐµÐ·Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÑ
Ð³ÑÐ°Ð¶Ð´Ð°Ð½ÑÐºÐ°Ñ Ð¾Ð±Ð¾ÑÐ¾Ð½Ð°
ÑÑÐµÐ·Ð²ÑÑÐ°Ð¹Ð½Ð°Ñ ÑÐ¸ÑÑÐ°ÑÐ¸Ñ
ÑÑÑÐ°ÑÐ° ÐºÑÐ»ÑÑÑÑÐ½ÑÑ ÑÐµÐ½Ð½Ð¾ÑÑÐµÐ¹
Ð¿Ð¾Ð¶Ð°Ñ
ÑÐµÑÑÐ¾ÑÐ¸Ð·Ð¼
objects of the cultural heritage
conservation
safety
civil defense
emergency
loss of cultural values
fire
terrorism

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð¾ÑÐ¾Ð±ÐµÐ½Ð½Ð¾ÑÑÐ¸ Ð¾Ð±ÑÐµÐºÑÐ¾Ð² ÐºÑÐ»ÑÑÑÑÐ½Ð¾Ð³Ð¾ Ð½Ð°ÑÐ»ÐµÐ´Ð¸Ñ Ð Ð¾ÑÑÐ¸Ð¹ÑÐºÐ¾Ð¹ Ð¤ÐµÐ´ÐµÑÐ°ÑÐ¸Ð¸, Ð´Ð°Ð½Ð° Ð¸Ñ ÐºÐ»Ð°ÑÑÐ¸ÑÐ¸ÐºÐ°ÑÐ¸Ñ. ÐÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ñ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÐµ ÑÑÐµÐ±Ð¾Ð²Ð°Ð½Ð¸Ñ Ðº ÑÐ¸ÑÑÐµÐ¼Ðµ Ð¾Ð±ÐµÑÐ¿ÐµÑÐµÐ½Ð¸Ñ Ð±ÐµÐ·Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÐ¸ Ð¾Ð±ÑÐµÐºÑÐ¾Ð² ÐºÑÐ»ÑÑÑÑÐ½Ð¾Ð³Ð¾ Ð½Ð°ÑÐ»ÐµÐ´Ð¸Ñ Ð¸ Ð¿ÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ð° Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ñ ÑÐ¸ÑÑÐµÐ¼Ñ Ð³ÑÐ°Ð¶Ð´Ð°Ð½ÑÐºÐ¾Ð¹ Ð¾Ð±Ð¾ÑÐ¾Ð½Ñ Ð¸ Ð·Ð°ÑÐ¸ÑÑ Ð¾Ñ ÑÑÐµÐ·Ð²ÑÑÐ°Ð¹Ð½ÑÑ ÑÐ¸ÑÑÐ°ÑÐ¸Ð¹ Ð½Ð° Ð¾Ð±ÑÐµÐºÑÐ°Ñ ÐºÑÐ»ÑÑÑÑÐ½Ð¾Ð³Ð¾ Ð½Ð°ÑÐ»ÐµÐ´Ð¸Ñ Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³Ð°. ÐÑÑÐ²Ð»ÐµÐ½Ñ Ð¸Ð¼ÐµÑÑÐ¸ÐµÑÑ Ð½ÐµÐ´Ð¾ÑÑÐ°ÑÐºÐ¸ Ð¸ Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ñ ÑÐµÐºÐ¾Ð¼ÐµÐ½Ð´Ð°ÑÐ¸Ð¸ Ð¿Ð¾ Ð¸Ñ ÑÐ¾Ð²ÐµÑÑÐµÐ½ÑÑÐ²Ð¾Ð²Ð°Ð½Ð¸Ñ.
description: In the given work, the features of objects of the cultural heritage of the Russian Federation are considered, and their classification is given. The main requirements to the system for ensuring the safety of cultural heritage sites have been determined and the organization of a civil defense system and protection against emergencies at cultural heritage sites of St. Petersburg has been analyzed. Identified shortcomings and suggested recommendations for their improvement.
Cell segmentaion of Phaeodactylum tricornutum using brightfield images.
Creators: name: Ashcroft, Felicity
Publisher: name: Zenodo
Year: 2022
Subjects: CellProfiler

description: The file is a cell segmentation pipeline created in CellProfiler that was used to segment individual diatoms of the species Phaeodactylum tricornutum. The pipeline uses brightfield images taken with a Biotek Cytation 5 multimode imaging plate reader at 20X magnification and was used to measure the size of individual diatoms.
description: {"references": ["Carpenter AE, Jones TR, Lamprecht MR, Clarke C, Kang IH, Friman O, Guertin DA, Chang JH, Lindquist RA, Moffat J, Golland P, Sabatini DM (2006) CellProfiler: image analysis software for identifying and quantifying cell phenotypes. Genome Biology 7:R100. PMID: 17076895 ["]}
title: Ð¤Ð¾Ð½ÐµÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð¾ÑÐ¾Ð±ÐµÐ½Ð½Ð¾ÑÑÐ¸ Ð¾Ð±ÑÑÐµÐ½Ð¸Ñ Ð²ÑÐ¾ÑÐ¾Ð¼Ñ Ð¸Ð½Ð¾ÑÑÑÐ°Ð½Ð½Ð¾Ð¼Ñ ÑÐ·ÑÐºÑ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Phonetic features of teaching a second foreign language
Creators: name: Ð¡ÑÐ°ÑÐ¾Ð¶ÑÐº, ÐÐ½Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: Ð¸Ð½ÑÐµÑÑÐµÑÐµÐ½ÑÐ¸Ñ
ÑÐ¾ÑÐ¼Ð°Ð½ÑÑ
Ð³Ð»Ð°ÑÐ½ÑÐ¹ Ð·Ð²ÑÐº
ÑÐ¾Ð³Ð»Ð°ÑÐ½ÑÐ¹ Ð·Ð²ÑÐº
Ð²ÑÐ¾ÑÐ¾Ð¹ Ð¸Ð½Ð¾ÑÑÑÐ°Ð½Ð½ÑÐ¹ ÑÐ·ÑÐº
ÑÐ¾ÑÐ¼Ð°Ð½ÑÐ½Ð¾Ðµ Ð·Ð½Ð°ÑÐµÐ½Ð¸Ðµ
L1
L2
L3
interfernece
formants
vowel sound
consonant sound
second foreign language
formant value

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ð¾ ÑÐ¾Ð½ÐµÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð²Ð»Ð¸ÑÐ½Ð¸Ðµ Ð½Ð° Ð³Ð»Ð°ÑÐ½ÑÐµ Ð¸ ÑÐ¾Ð³Ð»Ð°ÑÐ½ÑÐµ Ð·Ð²ÑÐºÐ¸. ÐÐ°Ð½Ñ Ð¾Ð±ÑÐ¸Ðµ ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ¸ Ð·Ð²ÑÐºÐ¾Ð²ÑÑ ÑÐ¸ÑÑÐµÐ¼ ÑÑÑÑÐºÐ¾Ð³Ð¾, Ð°Ð½Ð³Ð»Ð¸Ð¹ÑÐºÐ¾Ð³Ð¾ Ð¸ Ð½ÐµÐ¼ÐµÑÐºÐ¾Ð³Ð¾ ÑÐ·ÑÐºÐ¾Ð². ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½ ÑÐ»ÑÑÐ¾Ð²Ð¾Ð¹ Ð¸ Ð°ÐºÑÑÑÐ¸ÑÐµÑÐºÐ¸Ð¹ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐµÑÐ¸ Ð»ÑÐ´ÐµÐ¹, Ð¸Ð·ÑÑÐ°ÑÑÐ¸Ñ Ð½ÐµÐ¼ÐµÑÐºÐ¸Ð¹ ÐºÐ°Ðº Ð²ÑÐ¾ÑÐ¾Ð¹ Ð¸Ð½Ð¾ÑÑÑÐ°Ð½Ð½ÑÐ¹ ÑÐ·ÑÐº. ÐÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð½ÑÐµ Ð³Ð»Ð°ÑÐ½ÑÐµ Ð¸ ÑÐ¾Ð³Ð»Ð°ÑÐ½ÑÐµ Ð·Ð²ÑÐºÐ¸ Ð¸Ð· Ð½ÐµÐ¼ÐµÑÐºÐ¾Ð¹ ÑÐµÑÐ¸ Ð±ÑÐ»Ð¸ ÑÐ¾Ð¿Ð¾ÑÑÐ°Ð²Ð»ÐµÐ½Ñ Ð¿Ð¾ ÑÐ¾ÑÐ¼Ð°Ð½ÑÐ½Ð¾Ð¼Ñ Ð·Ð½Ð°ÑÐµÐ½Ð¸Ñ Ñ Ð½ÐµÐ¼ÐµÑÐºÐ¾Ð¹ Ð¿ÑÐ¾Ð¸Ð·Ð½Ð¾ÑÐ¸ÑÐµÐ»ÑÐ½Ð¾Ð¹ Ð½Ð¾ÑÐ¼Ð¾Ð¹.
description: In the given work the phonetic influence on vowels and consonants when teaching a second foreign language is stated. The general characteristics of the sound systems of the Russian, English and German languages are given. An auditory and acoustic analysis of the speech of people studying German as a second foreign language was carried out. Certain vowels and consonants from German speech were compared in formants with the German pronouncing norm.
How the adoption of drought-tolerant rice varieties impacts households in a non-drought year: Evidence from Nepal
Creators: name: Vaiknoras, Kate A.
name: Larochelle, Catherine
name: Alwang, Jeffrey
name: Vaiknoras, Kate A.
name: Larochelle, Catherine
name: Alwang, Jeffrey
Publisher: name: Unknown
Year: 2021
Subjects: Production Economics
International Development
Productivity Analysis

description: Presentation 20315
Gender based violence and non-state armed groups : the case of Boko Haram
Creators: name: Waldron, Thea
Publisher: name: University of British Columbia
Year: 2019

description: Do the same dynamics hold for non-state actors as with state-based sexual violence, or are there differences? What are the implications? This study seeks to answer this question by drawing upon gender and conflict theories, and seeing how they suffice in illuminating the systematic SGBV by Boko Haram in the Nigerian civil war. Exploring this unfolding conflict will show how Boko Haram’s ideological and structural components shape their repertoire of violence. Moving forward, this paper will illustrate that Boko Haram’s diffuse and splintered structure does not restrain its strategic and widespread use of SGBV; however, because of the group’s extensive combat socialization methods and nation building objectives, SGBV remains a highly effective and systemic strategy. Examining the dominant gender and conflict theories pertaining to sexual violence will illuminate the dynamic, messy and brutal violence occurring within the Boko Haram.
Aerosols in escaping atmospheres: Implications for Transmission Spectra and Origin of Super-puffs
Creators: name: Ohno, Kazumasa
name: Tanaka, Yuki
Publisher: name: Zenodo
Year: 2021

description: Low-mass close-in exoplanets are susceptible to intense atmospheric escape. Recent studies suggested that such escaping outflow can deliver abundant aerosols to upper atmospheres and drastically inflate the observed transit radius. Here, we investigate how aerosols grow and move in escaping atmospheres and influence transit observations of exoplanets using a detailed microphysical model. We find that aerosols formed at low altitudes, such as condensation clouds, are barely transported by the outflow owing to efficient particle growth and gravitational settling, while aerosols formed at high altitudes, such as photochemical hazes, are susceptible to be entrained in escaping outflow. With sufficiently high aerosol production altitudes and rates, the outflowing aerosols can enhance the observable radius by a factor of ∼2 or even more. The outflowing aerosols produce featureless NIR transmission spectra, in agreement with the spectra observed for extremely low-density planets called super-puffs. The spectrum also shows a broad spectral slope ranging from the visible to the mid-IR as well as absorption features of the aerosols themselves, which can be tested by upcoming JWST observations. Lastly, using an interior structure model, we show that the radius inflation by outflowing aerosols is drastic only when the planets verge on total atmospheric loss. This potentially explains why super-puffs are uncommon despite the suggested prevalence of photochemical hazes on exoplanets.
Weak Lensing Science, Surveys, and Systematics
Creators: name: Das, Sudeep
name: de Putter, Roland
name: Linder, Eric V.
name: Nakajima, Reiko
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Weak gravitational lensing is one of the key probes of the cosmological model, dark energy, and dark matter, providing insight into both the cosmic expansion history and large scale structure growth history. Taking into account a broad spectrum of physics affecting growth - dynamical dark energy, extended gravity, neutrino masses, and spatial curvature - we analyze the cosmological constraints. Similarly we consider the effects of a range of systematic uncertainties, in shear measurement, photometric redshifts, and the nonlinear power spectrum, on cosmological parameter extraction. We also investigate, and provide fitting formulas for, the influence of survey parameters such as redshift depth, galaxy number densities, and sky area. Finally, we examine the robustness of results for different fiducial cosmologies.
description: 11 pages, 9 figures
Towards a Gamified and Accessible Cultural Heritage using Augmented Reality
Creators: name: Mennat Allah Salama Taha Ibrahim
Publisher: name: Zenodo
Year: 2023
Subjects: Digital Cultures
Cultural Heritage
Augmented Reality
Gamification
Accessibility
Edutainment
Interaction
Multisensory design

description: Learning about history and cultural heritage (CH) is shifting from its static non-interactive state into a more dynamic and engaging experience due to the adaptation of educational institutes such as Galleries, Libraries, archives, museums and schools (GLAMS) emerging technologies, gamification and multisensory design to create more attractive CH experiences that are inclusive and accessible to everyone (Partarakis et al., 2017, p. 373). Although different concepts of digitalization, accessibility and gamification have been addressed frequently in the CH field and based on observations and literature analysis their sub-features and elements often overlap, the absence of a holistic guideline that combines all these concepts for designers to enable them to attempt to form the optimum CH experience for All opens the doors for the possibility to create one. This research identifies a framework that combines elements of: digital cultural heritage, enjoyable informal learning, gamification in cultural heritage (CH), multisensory design, accessibility in CH and Augmented reality technology (AR) in order to create a holistic framework for Accessible Gamified Enjoyable Learning in CH using AR, that is implemented in the context of Egyptian CH that can be applied inside and outside museums with the intention of its usage globally. The framework will be created from a combination of desk research, the analysis and reviewing of the literature of the areas concerned. The validity of the proposed framework is tested through three different experiments in the Egyptian CH context. The approaches outlined in the framework will be added gradually into the experiments as they progress and according to the needed elements in each experiment. The first experiment creates a gamified accessible experience using AR which will be tested in the Modern Museum of Egyptian Art (MMEA), the second creating an AR scavenger hunt multisensory mobile game to be tested in the National Museum of Egyptian Civilization (NMEC) and the last experiment creates an AR CH tactile card game.
Transparent and flexible polymerized graphite oxide thin film with frequency-dependent dielectric constant
Creators: name: Lee, D. W.
name: Seo, J. W.
name: Jelbert, G. R.
name: V., L. de Los Santos
name: Cole, J. M.
name: Panagopoulos, C.
name: Barnes, C. H. W.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Here we report on the preparation of transparent and flexible polymerized graphite oxide, which is composed of carbons with sp3-hybridized orbitals and a non-planar ring structure, and which demonstrates dispersion in its dielectric constant at room temperature. This frequency dependence renders the material suitable for creating miniaturized, flexible, and transparent variable capacitors, allowing for smaller and simpler integrated electronic devices. We discuss this polarizability in terms of space charge effects.
White Dwarf - Red Dwarf Systems Resolved with the Hubble Space Telescope. II. Full Snapshot Survey Results
Creators: name: Farihi, J.
name: Hoard, D. W.
name: Wachter, S.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Results are presented for a Hubble Space Telescope Advanced Camera for Surveys high-resolution imaging campaign of 90 white dwarfs with known or suspected low mass stellar and substellar companions. Of the 72 targets which remain candidate and confirmed white dwarfs with near-infrared excess, 43 are spatially resolved into two or more components, and a total of 12 systems are potentially triples. There is a possible, slight deficit of earlier spectral types (bluer colors) among the spatially unresolved companions, exactly the opposite of expectations if significant mass is transferred to the companion during the common envelope phase. Using the best available distance estimates, the low mass companions to white dwarfs exhibit a bimodal distribution in projected separation. This result supports the hypothesis that during the giant phases of the white dwarf progenitor, any unevolved companions either migrate inward to short periods of hours to days, or outward to periods of hundreds to thousands of years. No intermediate projected separations of a few to several AU are found among these pairs. However, a few double M dwarfs (within triples) are spatially resolved in this range, empirically demonstrating that such separations were readily detectable among the binaries with white dwarfs. A straightforward and testable prediction emerges: all spatially unresolved, low mass stellar and substellar companions to white dwarfs should be in short period orbits. This result has implications for substellar companion and planetary orbital evolution during the post-main sequence lifetime of their stellar hosts.
description: Accepted to ApJ Supplement Series, emulateapj format, 14 figures, 8 tables
title: Ð¢ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ðµ Ð³ÑÐµÐ±Ð½ÐµÐ²ÑÑ Ð²Ð¾Ð»Ð½Ð¾Ð²Ð¾Ð´Ð¾Ð² Ð¿Ð¾Ð»ÑÐ¿ÑÐ¾Ð²Ð¾Ð´Ð½Ð¸ÐºÐ¾Ð²ÑÑ Ð»Ð°Ð·ÐµÑÐ¾Ð² ÑÑÐ¾ÐºÑÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½ÑÐ¼ Ð¿ÑÑÐºÐ¾Ð¼ Ð¸Ð¾Ð½Ð¾Ð²
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Focused ion beam milling of ridge waveguides of edge-emitting semiconductor lasers
Creators: name: ÐÐ²Ð¾ÑÐµÑÐºÐ¸Ð¹, ÐÐ½Ð°ÑÐ¾Ð»Ð¸Ð¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: Ð¿Ð¾Ð»ÑÐ¿ÑÐ¾Ð²Ð¾Ð´Ð½Ð¸ÐºÐ¾Ð²ÑÐ¹ Ð»Ð°Ð·ÐµÑ
ÑÑÐ¾ÐºÑÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½ÑÐ¹ Ð¸Ð¾Ð½Ð½ÑÐ¹ Ð¿ÑÑÐ¾Ðº
Ð²Ð¾Ð»Ð½Ð¾Ð²Ð¾Ð´
semiconductor laser
focused ion beam
wavegude

description: Ð ÑÐ°Ð±Ð¾ÑÐµ Ð±ÑÐ»Ð¸ Ð¿Ð¾Ð»ÑÑÐµÐ½Ñ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÐµ ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ¸ Ð¿Ð¾Ð»ÑÐ¿ÑÐ¾Ð²Ð¾Ð´Ð½Ð¸ÐºÐ¾Ð²ÑÑ Ð»Ð°Ð·ÐµÑÐ¾Ð² Ð´Ð¾ ÑÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ð¸ Ð¿Ð¾ÑÐ»Ðµ. ÐÐ° Ð¾ÑÐ½Ð¾Ð²Ðµ Ð¿Ð¾Ð»ÑÑÐµÐ½Ð½ÑÑ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐ¾Ð² Ð±ÑÐ» Ð¿ÑÐ¾Ð²ÐµÐ´ÑÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· Ð²Ð»Ð¸ÑÐ½Ð¸Ñ ÑÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ð²Ð¾Ð»Ð½Ð¾Ð²Ð¾Ð´Ð° Ð½Ð° Ð¾ÑÐ½Ð¾Ð²Ð½ÑÐµ ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ¸ Ð»Ð°Ð·ÐµÑÐ¾Ð².
description: In this work the basic characteristics of semiconductor lasers before milling and after it were obtained. Based on the results the influence of waveguide milling on the main characteristics of lasers was obtained.
Implications of WTP-AFP Discrepancy, Premium Subsidy Reduction and Program Changes in U.S. Crop Insurance
Creators: name: Du, Xiaodong
name: Feng, Hongli
name: Hennessy, David A.
name: Du, Xiaodong
name: Feng, Hongli
name: Hennessy, David A.
Publisher: name: Unknown
Year: 2021
Subjects: Risk and Uncertainty
Agricultural and Food Policy
Institutional and Behavioral Economics

description: Presentation 20343
SCILAKE EOSC POLICY BRIEF
Creators: name: Vergoulis, Thanasis
Publisher: name: Zenodo
Year: 2024

description: In this policy brief, the EU-funded project SciLake reports on its contributions to the advancement of the European Open Science Cloud (EOSC) and provides input for further policy analysis and development by the European Commission. 

 
description: The deliverable awaits official approval by the Project Officer. This project has received funding from the European Union's Horizon Europe framework programme under grant agreement No. 101058573. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the European Research Executive Agency. Neither the European Union nor the European Research Executive Agency can be held responsible for them.”
ЧЎЛПОННИНГ "КЕЧА ВА КУНДУЗ" РОМАНИДА ХАРАКТЕРЛАР ПСИХОЛОГИЗМИ
Creators: name: Куронов, Дилмурод Хайдаралиевич
Publisher: name: Zenodo
Year: 1992

description: Филология фанлари номзоди илмий даражасини олиш учун таыдим этилган диссертация
INTEGRATION  OF  HYDROPOWER  IN  THE  ONGOING  RESERVOIR STUDIES OF  LAKE  TANA SUB-BASIN
Creators: name: Netsanet Zelalem
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2008

description: Currently,  there  are  five  reservoirs  proposed  for  irrigation  purpose  only  in  Lake
Tana sub basin. These are: Gumera-A, Megech, Ribb, Gilgel Abbay-Band Jema.
Among  these Megech,  Ribb, Gumera-A and Gilgel Abbay-B  are  the focus  of  this
study.  At  Megech  reservoir two  alternatives are  proposed. The first alternative  is
for  irrigation only and the second  is for  irrigation  and water supply.
The  proposed  irrigation  area  of:  Megech  of alternative  one  is  14622  ha,  Megech
of alternative two  is 7311  ha, Ribb  19925 ha, Gumera  1400 ha  and Gilgel Abbay­
B  12490 ha.
Integration  of  hydropower  in  the  proposed  reservoir  study  is  analyzed  by  using
Excel  Spreadsheet.  A  sequential  routing  technique  is  used  to  see  options  of
hydropower generation. Final  output  from  sequential  routing  shows  the  estimated  firm  power  generation
of  Gilgel  Abbay-B,  Megech  alternative  two,  Gumera-A  and  Megech  alternative
one  is  5.614 Mw,  0.61  Mw,  0.13 Mw  and  35kw  respectively without affecting  the
irrigable area.  But,  from  the analysis one can  see as  the  irrigable area  decreases
the  hydropower  generation  will  increase  and  vice  versa  because  of  the  rise  of
reservoir water  level.
Screening bulk curvature in the presence of large brane tension
Creators: name: Agarwal, Nishant
name: Bean, Rachel
name: Khoury, Justin
name: Trodden, Mark
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study a flat brane solution in an effective 5D action for cascading gravity and propose a mechanism to screen extrinsic curvature in the presence of a large tension on the brane. The screening mechanism leaves the bulk Riemann-flat, thus making it simpler to generalize large extra dimension dark energy models to higher codimensions. By studying an action with cubic interactions for the brane-bending scalar mode, we find that the perturbed action suffers from ghostlike instabilities for positive tension, whereas it can be made ghost-free for sufficiently small negative tension.
description: 21 pages, 2 figures
RESERVOIR PERFORMANCE UNDER CLIMATE  CHANGE ON MEGECH WATERSHED
Creators: name: HELINA FEREDE
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2017

description: Reservoirs  are  the  central  part  of  application  and  they  need  careful  investigation  before
implementation. They have to be studied to the level their future sustainability and usage need to
be assured. The operation of the reservoir should be linked to their future condition by applying
them  the  impact  of  the  climate  change  under  different  scenarios.  For  this  the  paper  considers
different scenario and assumptions.
To  evaluate  the  impact  of  climate  change,  climate  change  scenario  of  evapotranspiration  and
precipitation were developed for three period  (base, short term and long term)  using output of
CMIP5 with RCP for RCP4.5 emission scenarios and they are used to develop the future climate
change scenario. A hydrological model, HBV, was used in order to simulate the current and future
inflow volume to the reservoirs. The performances of the model were assessed through calibration
and validation  process and the  result  shows  NSE 0.72 during calibration and 0.69 during validation
at the gauge station.
The projected future climate variable shows an increasing trend .Tmax  0.23
o
c and 2.73
o
cin short
and long term respectively and Tmin 1.68
o
c and 2.13
o
c in short and long term respectively and but
precipitation  also  shows  decreasing  by  0.84%  and  1.2%  in  short  and  long  term  respectively.
Relative to the current condition, the average annual open water evaporation for Megech reservoir
will  increase by  1.01%  and  1.03% in  short  and  long  term  respectively.  Relative to the current
condition, the simulated future period average annual inflow volume shows a decrease of 1.15%
and 1.58 % in the period of 2021 -2030 and 2061-2070 respectively from the base period.
On average,  the time based reliability of Megech reservoir shows a value of above 90  %. However,
the resilience shows value less than 50% in the two scenarios. This shows that, the reservoir needs
long time to recover itself from failing to meet the demand. The dimensionless vulnerability,  below
50% in all scenario. This Shows that the Reservoir have no shortage of Flow to meet the Demand
in all Scenario
A reservoir simulation model, MODSIM, was used to simulate the amount of release potential of
the  reservoirs  and  to  determine  the  reservoirs  operation  rule  curve.  The  future  period  average
annual Release will decrease by 1.002% and 1.0019% for both short and long term in comparison
to the base period
The Role of Animal Breeding in Productivity Growth: Evidence from Wisconsin Dairy Farms
Creators: name: Hutchins, Jared P.
name: Gong, Yating
name: Du, Xiaodong
name: Hutchins, Jared P.
name: Gong, Yating
name: Du, Xiaodong
Publisher: name: Unknown
Year: 2021
Subjects: Productivity Analysis
Production Economics
Research Methods/Statistical Methods

description: Presentation 20344
ASSESSEMENT OF IMPACT OF ABBAY  BASIN /RR/GA TION DEVELOPMENT ON  THE WATER RESOURCE OF THE RIVER  (A  CASE OF TRIBUTARIES DEVELOPMENT SCENARIO)
Creators: name: YJLMA DEM/SS/£ END AL  *
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2006

description: This  study was  conducted  to  evaluate  the  future water  requirement of  Ethiopia
while  developing  selected  irrigation  projects  proposed  on  the  tributaries  of
Abbay as  specified on  the master plan of Abbay  river basin. The study has also
investigated  the  probable  water  supply  and  demand  condition  of  the  projects
under  consideration.  The  reduction  of  flow  at  the  border  due  to  the
implementation of the  projects as  compared  to  the existing mean annual flow of
the  river was also computed. Based  on  the  required  data  availability  on  the  master  plan  documents  to  run
Water  Evaluation  and  planning  analysis  (WEAP)  model,  17  irrigation  projects
covering  an  area  of  220,416  ha  of  land  have  been  included  in  the  analysis.
From  the  analysis  the  total  water  requirement  of  these  irrigation  projects  was
estimated  as  3  Billion  cubic meter  annually.  The  border flow  volume  reduction
as  a  result of  the  implementation  of  these  projects  is  only  6%  of  the  estimated
mean annual flow, 49.7 billion cubic meters. Among  the studied projects,  the unfulfilled water demand of Negesso and Rib  is
significantly  high  that  needs  further  investigation.  Moreover  the water  released
for  downstream  users  and  ecological  purpose  needs  due  consideration  for  the
Determination of the Upper Critical Field of a Single Crystal LiFeAs: The Magnetic Torque Study up to 35 Tesla
Creators: name: Kurita, N.
name: Kitagawa, K.
name: Matsubayashi, K.
name: Kismarahardja, A.
name: Choi, E. S.
name: Brooks, J. S.
name: Uwatoko, Y.
name: Uji, S.
name: Terashima, T.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We report on the upper critical field B_c2 of a superconducting LiFeAs single crystal with T_c~16 K, determined from magnetic torque measurements in dc-magnetic fields up to 35 T and at temperatures down to 0.3 K. B_c2 at 0.3 K is obtained to be 26.4 T and 15.5 T for the applied field B_a||ab and B_a||c, respectively. The anisotropy parameter $Γ$=$B_c2^ab / B_c2^c$ is ~ 3 at T_c and decreases to 1.7 as $T \rightarrow 0$, showing rather isotropic superconductivity. While B_c2 is orbitally-limited for B_a||c, the spin-paramagnetic effect is evident in the temperature dependence of B_c2 for B_a||ab
description: 4 pages, 4 figures, revised version to be published in J. Phys. Soc. Jpn. as a letter article
ESTABILISHEMENT OF INTENSITY-DURATION-FREQUENCY RELATIONSHIPS FOR OROMIA NATIONAL REGIONAL STATE
Creators: name: CHALI EDESSA
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2007

description: ·sLIO!lelS  1edp'Lipd  e4l  uiou lS84lJeJ  saara  le  AOLienbeJJ  pue
SLIO!leJnp  ALie  JO  11eJLI!eJ  JO  Al!SLielLI!  84l  peJ:p
Reviewing FID and SID Metrics on Generative Adversarial Networks
Creators: name: de Deijn, Ricardo
name: Batra, Aishwarya
name: Koch, Brandon
name: Mansoor, Naseef
name: Makkena, Hema
Publisher: name: arXiv
Year: 2024
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Image and Video Processing (eess.IV)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: The growth of generative adversarial network (GAN) models has increased the ability of image processing and provides numerous industries with the technology to produce realistic image transformations. However, with the field being recently established there are new evaluation metrics that can further this research. Previous research has shown the Fréchet Inception Distance (FID) to be an effective metric when testing these image-to-image GANs in real-world applications. Signed Inception Distance (SID), a founded metric in 2023, expands on FID by allowing unsigned distances. This paper uses public datasets that consist of façades, cityscapes, and maps within Pix2Pix and CycleGAN models. After training these models are evaluated on both inception distance metrics which measure the generating performance of the trained models. Our findings indicate that usage of the metric SID incorporates an efficient and effective metric to complement, or even exceed the ability shown using the FID for the image-to-image GANs
description: 14 pages 9 figures 1 table Included in IOTBS, NLTM, AIMLA, DBDM - 2024 Conference Proceedings Editor: David C. Wyld et al
The Impact of Natural Disaster on Wholesale Electricity Market: The Case of Hurricane Harvey in ERCOT
Creators: name: Zhao, Yue
name: Brooks, Adria Elise
name: Du, Xiaodong
name: Zhao, Yue
name: Brooks, Adria Elise
name: Du, Xiaodong
Publisher: name: Unknown
Year: 2021
Subjects: Resource/Energy Economics and Policy
Environmental Economics and Policy
Research Methods/Statistical Methods

description: Presentation 20346
Traditional Nisga'a leadership : the challenges through change
Creators: name: Nyce, Deanna L. E.
Publisher: name: University of British Columbia
Year: 2021

description: Wilp Wilxo’oskwhl Nisga’a Institute’s Committee of Sages expressed concern that the new generation of leaders were unaware of and were not practising traditional diplomacy demanded of Nisga’a statespeople. Research was undertaken to explore the idea of Elders as cultural refugia who retain leadership traditions despite imposed social tumult and who understand how to convey those traditions to future generations. Knowledge holders known for their leadership would be interviewed to see how they have kept the ancient knowledge despite cultural and ecological disruptions. The primary research question was: “What qualities of leadership have sustained Traditional Ecological Knowledge, and how does tradition-based leadership enable cultures and ecosystems to survive during times of change?” To answer this question, I first had to describe the qualities that define Nisga’a leadership and thus identify its numerous facets. Leaders know about place: they have intimate knowledge of the land and of the animate and inanimate components of the landscape. Leaders know about people – how to accomplish transitions between leaders and how to handle difficult situations requiring a unified response. Leaders are fluent in Nisga’a language – the language provides clear insights into the intricacies of traditional history and cultural protocols such as wilxo’oskw (wisdom or knowledge), as well as ‘ancient family histories and sacred family origin stories.’ These qualities informed the research methodology. Interviews with Elders recommended from within the Committee of Sages were conducted in both the Nisga’a language and English. Transcripts in Nisga’a were then interpreted into English. Portions of the interviews were left in Nisga’a and were interpreted by the Elders themselves. To keep the Elders’ voices intact, rather than rewording the interviews, I left portions of the interviews intact, in both English and Nisga’a. The words of the Elders were grouped in themes defining Nisga’a leadership. The stories, concepts, and phrases knowledge holders shared were found to have value in many aspects of Nisga’a life, including educating new leaders and the role of leadership in the management of Nisga’a life. Nisga’a wisdom also provides ideas useful to all cultures, and perhaps in particular to Indigenous cultures whose peoples may struggle with similar issues.
Uncertain Monsoon, Irrigation and Crop Yields: Implications for Pricing of Insurance Products
Creators: name: Amale, Hardeep S.
name: Negi, Digvijay S.
name: Amale, Hardeep S.
name: Negi, Digvijay S.
Publisher: name: Unknown
Year: 2021
Subjects: Risk and Uncertainty
Agricultural and Food Policy
International Development

description: Presentation 20351
More Birds One Stone: Fixing Unqualified Survey Responses with Fewer Additional Questions
Creators: name: Jiang, Qi
name: Penn, Jerrod
name: Hu, Wuyang
name: Jiang, Qi
name: Penn, Jerrod
name: Hu, Wuyang
Publisher: name: Unknown
Year: 2021
Subjects: Institutional and Behavioral Economics
Research Methods/Statistical Methods
Environmental Economics and Policy

description: Presentation 20354
Homological stability for unordered configuration spaces
Creators: name: Randal-Williams, Oscar
Publisher: name: arXiv
Year: 2011
Subjects: subject: Algebraic Topology (math.AT)
subject: FOS: Mathematics
subject: 55R40, 55R80

description: This paper consists of two related parts. In the first part we give a self-contained proof of homological stability for the spaces C_n(M;X) of configurations of n unordered points in a connected open manifold M with labels in a path-connected space X, with the best possible integral stability range of 2* \leq n. Along the way we give a new proof of the high connectivity of the complex of injective words. If the manifold has dimension at least three, we show that in rational homology the stability range may be improved to * \leq n. In the second part we study to what extent the homology of the spaces C_n(M) can be considered stable when M is a closed manifold. In this case there are no stabilisation maps, but one may still ask if the dimensions of the homology groups over some field stabilise with n. We prove that this is true when M is odd-dimensional, or when the field is F_2 or Q. It is known to be false in the remaining cases.
description: 19 pages, 4 figures
Does land rented-in increase machinery use intensity among wheat farmers in China? A comparison of self-owned machinery and machinery services
Creators: name: Zheng, Hongyun
name: Ma, Wanglin
name: Li, Gucheng
name: Zheng, Hongyun
name: Ma, Wanglin
name: Li, Gucheng
Publisher: name: Unknown
Year: 2021
Subjects: Production Economics
Consumer/Household Economics
Productivity Analysis

description: Presentation 20362
Reassessing The Fundamentals: New Constraints on the Evolution, Ages and Masses of Neutron Stars
Creators: name: Kiziltan, Bulent
Publisher: name: arXiv
Year: 2011
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Applications (stat.AP)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: The ages and masses of neutron stars (NSs) are two fundamental threads that make pulsars accessible to other sub-disciplines of astronomy and physics. A realistic and accurate determination of these two derived parameters play an important role in understanding of advanced stages of stellar evolution and the physics that govern relevant processes. Here I summarize new constraints on the ages and masses of NSs with an evolutionary perspective. I show that the observed P-Pdot demographics is more diverse than what is theoretically predicted for the standard evolutionary channel. In particular, standard recycling followed by dipole spin-down fails to reproduce the population of millisecond pulsars with higher magnetic fields (B > 4 x 10^{8} G) at rates deduced from observations. A proper inclusion of constraints arising from binary evolution and mass accretion offers a more realistic insight into the age distribution. By analytically implementing these constraints, I propose a "modified" spin-down age for millisecond pulsars that gives estimates closer to the true age. Finally, I independently analyze the peak, skewness and cutoff values of the underlying mass distribution from a comprehensive list of radio pulsars for which secure mass measurements are available. The inferred mass distribution shows clear peaks at 1.35 Msun and 1.50 Msun for NSs in double neutron star (DNS) and neutron star-white dwarf (NS-WD) systems respectively. I find a mass cutoff at 2 Msun for NSs with WD companions, which establishes a firm lower bound for the maximum mass of NSs.
description: 4 pages, 4 figures; To appear in the AIP proceedings of "Astrophysics of Neutron Stars-2010", eds. E. Gogus, T. Belloni, U. Ertan
Analysis of Dynamic Linear and Non-linear Memristor Device Models for Emerging Neuromorphic Computing Hardware Design
Creators: name: McDonald, Nathan R.
name: Pino, Robinson E.
name: Rozwood, Peter J.
name: Wysocki, Bryant T.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The value memristor devices offer to the neuromorphic computing hardware design community rests on the ability to provide effective device models that can enable large scale integrated computing architecture application simulations. Therefore, it is imperative to develop practical, functional device models of minimum mathematical complexity for fast, reliable, and accurate computing architecture technology design and simulation. To this end, various device models have been proposed in the literature seeking to characterize the physical electronic and time domain behavioral properties of memristor devices. In this work, we analyze some promising and practical non-quasi-static linear and non-linear memristor device models for neuromorphic circuit design and computing architecture simulation.
description: 5 pages, 6 figures, 2010 IEEE World Congress on Computational Intelligence proceedings
Assessment uf  Climate Change Impact on Baro-Akobo River  Basin Reservoirs (A Case Study on Baro-I and Baro-II Multipurpose Reservoirs, Ethiopia)
Creators: name: Ashenafi Likassa Akawka
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2010

description: This  study  assesses  the  impact  of future  climate  change  on  the  Baro-Akobo  river  basin
reservoirs  in  particular  to  Baro-1  and  Baro-2  reservoirs  which  are  going  to  be
implemented  in  the  near  future.  The  study  focuses  on  their  capabilities  to  hydropower
generation  under  future  climate  change.  To  know  the  level  of impact  of climate  change
on  the  reservoirs. water  availability  and  power  generation  potential,  climate  change
scenarios  of precipitation  and  evapotranspiration were  developed  for  two  future  periods
of 30  years  from  the  year  2021  until  2080.  The  ERA-40  re-analysis  predictor  variables
data  was  used  to  develop  the  downscaling  models.  The  outputs  of ECHAM5  coupled
atmosphere-ocean  GCM  model  for  the  A2  SRES  emission  scenarios  were  used  to
produce  the  future  scenarios.  These  outputs  were  statistically  downscaled  to  the
watershed  scale through developed  regression models. Monthly water balance model was
used  to  simulate  inflows  to  the  reservoirs.  The  performance  of the  model was  assessed
through  calibration  and  validation  process  and  the  R2
resulted from  0.66  to  0.75  during
calibration  and  from  0.64  to  0.72  during  validation  at  the  two  gauging  stations.  The
simulated  inflows were  used  to  simulate  the  hydro  power potential  of the  reservoirs  using
WEAP  model  for  further  impact  assessments.  The  generated  future  scenario  for
precipitation  showed  an  annual  increment  at  the  three  stations  in  the  study  area.  At monthly  level  the  precipitation  amount  showed  an  increasing  trend  in  all months  except
in  the  months  of March  and  June.  Generally  higher  increment  of  average  monthly
precipitation  amount  observed  during  the  dry  season  as  compared  to  the  main  rainy
season.  Comparison  of  the  base  period  and  the  future  period  average  annual  inflow
volume  showed  an  increase  of 4.78%  during  the  2021-2050  period  and  10.66%  during
the  2051-2080  period  at  Baro-I  reservoir.  At  Baro-2  reservoir,  an  increase  of 4.83  %
during  the  2021-2050  period  and  10.74%  during  the  2051-2080  period  and  at  Genji an_nual  power  generation  might  increase  by  2.3%  and  in  the  period  2051-2080  it  might
also  increase by 4.3 % in comparison to  the base period at Baro-2 hydropower station.
COVID-19 Outbreak, Occupational Displacement And Food Security: Empirical Evidence From India
Creators: name: Bairagi, Subir K.
name: Zereyesus, Yacob A.
name: Mishra, Ashok K.
name: Bairagi, Subir K.
name: Zereyesus, Yacob A.
name: Mishra, Ashok K.
Publisher: name: Unknown
Year: 2021
Subjects: Labor and Human Capital
Agricultural and Food Policy
Community/Rural/Urban Development

description: Presentation 20368