cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Effector Detection in Social Networks
Creators: name: Guangmo
name: Tong
name: Li, Shasha
name: Wu, Weili
name: Du, Ding-Zhu
Publisher: name: arXiv
Year: 2016
Subjects: subject: Social and Information Networks (cs.SI)
subject: FOS: Computer and information sciences

description: In a social network, influence diffusion is the process of spreading innovations from user to user. An activation state identifies who are the active users who have adopted the target innovation. Given an activation state of a certain diffusion, effector detection aims to reveal the active users who are able to best explain the observed state. In this paper, we tackle the effector detection problem from two perspectives. The first approach is based on the influence distance that measures the chance that an active user can activate its neighbors. For a certain pair of users, the shorter the influence distance, the higher probability that one can activate the other. Given an activation state, the effectors are expected to have short influence distance to active users while long to inactive users. By this idea, we propose the influence-distance-based effector detection problem and provide a 3-approximation. Second, we address the effector detection problem by the maximum likelihood estimation (MLE) approach. We prove that the optimal MLE can be obtained in polynomial time for connected directed acyclic graphs. For general graphs, we first extract a directed acyclic subgraph that can well preserve the information in the original graph and then apply the MLE approach to the extracted subgraph to obtain the effectors. The effectiveness of our algorithms is experimentally verified via simulations on the real-world social network.
Data mining of near Earth asteroids in the Subaru Suprime-Cam archive
Creators: name: Vaduvescu, O.
name: Conovici, M.
name: Popescu, M.
name: Sonka, A.
name: Paraschiv, A.
name: Lacatus, D.
name: Tudorica, A.
name: Hudin, L.
name: Curelaru, L.
name: Inceu, V.
name: Zavoianu, D.
name: Cornea, R.
name: Toma, R.
name: Asher, D. J.
name: Hadnett, J.
name: O'Cheallaigh, L.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: As part of the EURONEAR project, almost 70,000 mosaic Suprime-Cam images taken between 1999 and 2013 were data mined for about 9,800 near Earth asteroids (NEAs) known by 2013 May. Using our PRECOVERY server and the "Find Subaru CCD" tool, we scrutinized 4,186 candidate CCD images possibly holding 518 NEAs. We found 113 NEAs as faint as V<25 magnitude, their positions being measured in 589 images using Astrometrica, then reported to the Minor Planet Center. Among them, 18 objects represent encounters of previously single opposition NEAs, their orbital arcs being extended by up to 10 years. In the second part of this work we searched for unknown NEAs in 78 sequences (780 CCD fields) of 4-5 mosaic images selected from the same Suprime-Cam archive and totaling 16.6 sq.deg, with the aim to assess the faint NEA distribution observable with an 8-m class survey. A total of 2,018 moving objects were measured, from which we identified 18 better NEA candidates. Using the R_c filter in good weather conditions, mostly dark time and sky directions slightly biased towards the ecliptic, at least one NEA could be discovered in every 1 sq.deg surveyed.
description: Accepted for publication in Astronomical Nachrichten (7 Jan 2017)
Effect of Hands-on Activity-Based Method on Interest of Senior Secondary Students in Organic Chemistry
Creators: name: Victor Oluwatosin Ajayi, PhD
Publisher: name: figshare
Year: 2017
Subjects: Education

description: The study investigated the effect of hands-on activity-based method on interest of senior secondary chemistry students in organic chemistry. The study adopted a quasi-experimental design. A sample of 184 students from four purposively selected secondary schools out of a population of 2,381 SS II students from Makurdi Local Government Area of Benue State, Nigeria was used for the study. The experimental group was taught organic chemistry using hands-on activity-based method while the control group was taught using discussion method. Two research questions and two hypotheses guided the study. A validated 25-item Organic Chemistry Interest Inventory (OCII) was the instrument used to collect data. Reliability coefficients of 0.84 were established using Cronbach Alpha. Mean and Standard Deviation scores were used to answer the research questions while Analysis of Covariance (ANCOVA) was used to test the hypotheses at 0.05 level of significance. The results indicated that students taught using hands-on activity-based had significantly higher mean interest scores than those taught using discussion method (F=387.370, P(0.0001<0.05). Male and female students in hands-on activity-based group did not differ significantly in mean interest scores (F= 117.523, P(0.101>0.05). It was recommended that teachers should be encouraged to adopt hands-on activity-based method in teaching organic chemistry to enhance students’ interest in organic chemistry.
Spectral and timing properties of IGR J00291+5934 during its 2015 outburst
Creators: name: Sanna, A.
name: Pintore, F.
name: Bozzo, E.
name: Ferrigno, C.
name: Papitto, A.
name: Riggio, A.
name: Di Salvo, T.
name: Iaria, R.
name: D'Aì, A.
name: Egron, E.
name: Burderi, L.
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We report on the spectral and timing properties of the accreting millisecond X-ray pulsar IGR J00291+5934 observed by XMM-Newton and NuSTAR during its 2015 outburst. The source is in a hard state dominated at high energies by a comptonization of soft photons ($\sim0.9$ keV) by an electron population with kT$_e\sim30$ keV, and at lower energies by a blackbody component with kT$\sim0.5$ keV. A moderately broad, neutral Fe emission line and four narrow absorption lines are also found. By investigating the pulse phase evolution, we derived the best-fitting orbital solution for the 2015 outburst. Comparing the updated ephemeris with those of the previous outbursts, we set a $3σ$ confidence level interval $-6.6\times 10^{-13}$ s/s $< \dot{P}_{orb} < 6.5 \times 10^{-13}$ s/s on the orbital period derivative. Moreover, we investigated the pulse profile dependence on energy finding a peculiar behaviour of the pulse fractional amplitude and lags as a function of energy. We performed a phase-resolved spectroscopy showing that the blackbody component tracks remarkably well the pulse-profile, indicating that this component resides at the neutron star surface (hot-spot).
description: 9 pages, 7 figures. Accepted for publication in MNRAS
title: ADCO, Ordre cistercien : comptes (1499-1515) (11 H 1162), f. 00484
Creators: name: de la Côte-d'Or, Archives départementales
name: Petot, Frédéric
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CBMA/CG21/F.PETOT/2019
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: comptes
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge

description: Ordre cistercien : comptes (1499-1515), Archives départementales de la Côte-d'Or, (11 H 1162). Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Ordre cistercien : comptes (1499-1515), Archives départementales de la Côte-d'Or, (11 H 1162), f. 00484, in Projet CBMA - Corpus Burgundiae Medii Aevi \[Ressource en ligne\], https:// manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
Breast image classification using machine learning techniques
Creators: name: Wu, Jonathan
Publisher: name: Macquarie University
Year: 2022
Subjects: Other education not elsewhere classified

description: Among all the common forms of cancer, breast cancer is the most prevalent one. Statistics show that breast cancer causes the second highest mortality in women worldwide. Accurate classification of the breast cancer is of high importance for the proper diagnosis. The survival rate of breast cancer affected people is greatly increased if the cancer is detected early. Ultrasound, MRI or CT imaging techniques are used to capture the current condition of the breast. Digital signal processing, along with modern computer aided techniques are used to analyse these images, and proper diagnosis of the images can save the diagnoses time of the doctor. For the correct classification of the images, Feature detection and extraction of the features play a vital role. Various feature detection techniques are available, But for this thesis we will use the wavelet transform to perform feature detection. The features extracted from the images using the wavelet transform will be utilised for classification purposes. For the classification task we will use a support vector machine.
DFT investigates the mechanisms of cross-dehydrogenative coupling between heterocycles and acetonitrile
Creators: name: He, Cheng-Yu
name: Hou, Hong-Xia
name: Tong, Ming-Qiong
name: Zhou, Da-Gang
name: Li, Rong
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Biophysics
subject: Biochemistry
subject: Cell Biology
subject: Molecular Biology
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: Chemical Sciences not elsewhere classified
subject: Immunology
subject: FOS: Clinical medicine
subject: Information Systems not elsewhere classified
subject: Mathematical Sciences not elsewhere classified
subject: Marine Biology

description: The mechanisms between CH3CN and 1,3-dimethyl-1H-indole, initiated by DCP (dicumyl peroxide), have been studied with the B3LYP-D3 method with def2TZVP basis set for all atoms, and the SMD model was applied to simulate the solvent of acetonitrile. The computational results show that the homolytic process of DCP, catalysed by CuCl or CuI, can decrease the energy barrier, and the recycle procedure of Cu catalyst has been described. Then the Csp3-H activation of CH3CN has been investigated. The introduction of the cyano group is an anti-Markovnikov reaction and region-selectivity would be fulfilled. Localised orbital bonding analysis, localised orbital locator (LOL) isosurfaces, and electron spin density isosurface graphs could be used to interpret the phenomena. The results could provide valuable insights into these types of interactions and related ones. HighlightsThe homolytic mechanisms of DCP catalyzed by CuCl or CuI are proposed.The anti-Markovnikov's reaction between 1,3-dimethyl-1H-indole and free radical is investigated.Localized orbital bonding analysis, localized orbital locator (LOL) isosurfaces and electron spin density isosurface graphs have been used to interpret the phenomena. The homolytic mechanisms of DCP catalyzed by CuCl or CuI are proposed. The anti-Markovnikov's reaction between 1,3-dimethyl-1H-indole and free radical is investigated. Localized orbital bonding analysis, localized orbital locator (LOL) isosurfaces and electron spin density isosurface graphs have been used to interpret the phenomena.
title: ADCO, Cartulaire de Cîteaux pour les possessions de Beaune et du Beaunois (XVe siècle), Cart. 174 (11 H 79), 56 pages, f. 0048
Creators: name: de la Côte d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2015
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: cartulaire
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris

description: Cartulaire de Cîteaux pour les possessions de Beaune et du Beaunois (XVe siècle), Archives départementales de la Côte-d'Or, Cart. 174 (11 H 79), 56 pages, f. 0048, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Cartulaire de Cîteaux pour les possessions de Beaune et du Beaunois (XVe siècle), Archives départementales de la Côte-d'Or, Cart. 174 (11 H 79), 56 pages, f. 0048, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https:// manuscrits.cbma-project.eu/
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
title: ADCO, Cartulaire de Cîteaux pour les possessions de Dijon et du Dijonnais (XVe siècle), Cart. 175 (11 H 479), 115 folios, f. 0062
Creators: name: de la Côte d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2017
name: Petot, Frédéric
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge
subject: cartulaire
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris

description: Cartulaire de Cîteaux pour les possessions de Dijon et du Dijonnais (XVe siècle), Archives départementales de la Côte-d'Or, Cart. 175 (11 H 479), 115 folios, f. 0062, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Cartulaire de Cîteaux pour les possessions de Dijon et du Dijonnais (XVe siècle), Archives départementales de la Côte-d'Or, Cart. 175 (11 H 479), 115 folios, f. 0062, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https:// manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
Relationship between Teachers’ Content Knowledge, Qualifications, Experience and Students’ Achievement in Chemistry
Creators: name: Victor Oluwatosin Ajayi, PhD
Publisher: name: figshare
Year: 2017
Subjects: Education

description: The study investigated the relationship between teachers’ content knowledge, qualifications, experience and students’ achievement in Chemistry in Otukpo Local Government Area (LGA) of Benue State, Nigeria. The study was guided by two research questions and two hypotheses. A sample of 25 Chemistry teachers and 187 Chemistry students out of a population of 98 Chemistry teachers and 2,897 SSII students respectively from Otukpo LGA of Benue State, Nigeria was used for the study. A validated 50 item Chemistry Teachers’ Content Knowledge Achievement Test (CTCKAT) and 25 item Chemistry Students’ Achievement Test (CSAT) was the instruments used to collect data. Reliability coefficient of 0.78 was established using Pearson Product Correlation. The study adopted an ex-post facto research design. Frequencies, and Percentages were used to answer the research questions and Pearson Correlation Moment Coefficient was used to test the hypotheses. The result indicated among others that there is a strong positive correlation between teachers’ content knowledge scores in Chemistry with students’ achievement scores in Chemistry (r= 0.89), the result also revealed that, there is a strong positive correlation between teachers’ qualifications and students’ achievement scores (r= 0.72), and also there is a positive correlation between teachers’ years of teaching experience and students’ achievement (r= 0.51). The study recommended among others that students’ achievement in Chemistry is likely to improve in Otukpo Local Government Area of Benue State, if teachers engaged to teach chemistry have good content knowledge of Chemistry and good teaching qualifications.
Quasiperiodicity and suppression of multistability in nonlinear dynamical systems
Creators: name: Lai, Ying-Cheng
name: Grebogi, Celso
Publisher: name: arXiv
Year: 2017
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: It has been known that noise can suppress multistability by dynamically connecting coexisting attractors in the system which are otherwise in separate basins of attraction. The purpose of this mini-review is to argue that quasiperiodic driving can play a similar role in suppressing multistability. A concrete physical example is provided where quasiperiodic driving was demonstrated to eliminate multistability completely to generate robust chaos in a semiconductor superlattice system.
description: 20 pages, 5 figures
Influence of class size on students’ classroom discipline, engagement and communication: a study of senior secondary schools in Ekiti State, Nigeria.
Creators: name: Victor Oluwatosin Ajayi, PhD
name: Audu, Christina Tanko
name: Ajayi, Evelyn Ehi
Publisher: name: figshare
Year: 2017
Subjects: Education

description: In this study, the influence of class size on students’ classroom discipline, engagement and communication was examined. A sample of 128 senior secondary In this study, the influence of class size on students’ classroom discipline, engagement and communication was examined. A sample of 128 senior secondary schools out of a population of 4529 senior secondary teachers from Ekiti State, Nigeria was used for the study. The study adopted a descriptive survey research design. The instrument used for data collec of Class Size on Classroom Discipline, Engagement and Communication Questionnaire (ICSCDECQ) with the reliability value of 0.78 using Cronbach Alpha (KR guided the study. The researc school teachers from 16 purposely selected secondary schools out of a population of 4529 senior secondary teachers from Ekiti State, Nigeria was used for the study. The study adopted a descriptive survey research design. The instrument used for data collec of Class Size on Classroom Discipline, Engagement and Communication Questionnaire (ICSCDECQ) with the reliability value of 0.78 using Cronbach Alpha (KRIn this study, the influence of class size on students’ classroom discipline, engagement and communication school teachers from 16 purposely selected secondary schools out of a population of 4529 senior secondary teachers from Ekiti State, Nigeria was used for the study. The study adopted a descriptive survey research design. The instrument used for data collection was Influence of Class Size on Classroom Discipline, Engagement and Communication Questionnaire (ICSCDECQ) with the 21). Four research questions and three null hypotheses h questions were answered using Mean rating and Standard Deviation scores square. The study revealed that class size has significant ation. It was recommended 21). Four research questions and three null hypotheses h questions were answered using Mean rating and Standard Deviation scores while the null hypotheses were tested using Chih questions were answered using Mean rating and Standard Deviation scores while the null hypotheses were tested using Chi square. The study revealed that class size has significant influence on senior secondary classroom discipline, engagement and communic influence on senior secondary classroom discipline, engagement and communic among others that, senior secondary schools in Ekiti State, Nigeria should adopt a maximum of 40:1 student teacher ratio (small class size) for effective classroom discipline, engagement and communication. ation. It was recommended among others that, senior secondary schools in Ekiti State, Nigeria should adopt a maximum of 40:1 student teacher ratio (small class size) for effective classroom discipline, engagement and communication. among others that, senior secondary schools in Ekiti State, Nigeria should adopt a maximum of 40:1 students- teacher ratio
Learning with Noise: Enhance Distantly Supervised Relation Extraction with Dynamic Transition Matrix
Creators: name: Luo, Bingfeng
name: Feng, Yansong
name: Wang, Zheng
name: Zhu, Zhanxing
name: Huang, Songfang
name: Yan, Rui
name: Zhao, Dongyan
Publisher: name: arXiv
Year: 2017
Subjects: subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences

description: Distant supervision significantly reduces human efforts in building training data for many classification tasks. While promising, this technique often introduces noise to the generated training data, which can severely affect the model performance. In this paper, we take a deep look at the application of distant supervision in relation extraction. We show that the dynamic transition matrix can effectively characterize the noise in the training data built by distant supervision. The transition matrix can be effectively trained using a novel curriculum learning based method without any direct supervision about the noise. We thoroughly evaluate our approach under a wide range of extraction scenarios. Experimental results show that our approach consistently improves the extraction results and outperforms the state-of-the-art in various evaluation scenarios.
description: 10 pages, accepted by ACL 2017
Spin Pumping and Inverse Spin Hall Voltages from Dynamical Antiferromagnets
Creators: name: Johansen, Øyvind
name: Brataas, Arne
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Dynamical antiferromagnets pump spins efficiently into adjacent conductors as ferromagnets. The high antiferromagnetic resonance frequencies represent a challenge for experimental detection, but magnetic fields can reduce these resonance frequencies. We compute the inverse spin Hall voltages resulting from dynamical spin excitations as a function of a magnetic field along the easy axis and the polarization of the driving AC magnetic field perpendicular to the easy axis. We consider the insulating antiferromagnets MnF$_2$, FeF$_2$, and NiO. Near the spin-flop transition, there is a significant enhancement of the DC spin pumping and inverse spin Hall voltage for the uniaxial antiferromagnets MnF$_2$ and FeF$_2$. In the biaxial NiO, the voltages are much weaker, and there is no spin-flop enhancement of the DC component.
Effect of gender on students’ interest in standard mixture separation techniques using ethnochemistry teaching approach
Creators: name: Victor Oluwatosin Ajayi, PhD
name: Angura, Michael Terfa
name: Terver Samuel Agamber
Publisher: name: figshare
Year: 2017
Subjects: Education

description: In this study, the effect of gender on students’ interest in standard mixture separation techniques using ethnochemistry teaching approach was investigated. A sample of 198 students from six purposively selected ls out of a population of 3,706 Senior Secondary I students from Ohaozara Local Government equivalent quasi-experimental s Separation Techniques Interest Inventory (STII) 21). Two research questions and two null hypotheses guided the study. The research questions were answered using Mean and Standard Deviation res while the hypotheses were tested at 0.05 level of significance using Analysis of Covariance.The study revealed that there is no significant difference in the mean interest scores between male and female students ls out of a population of 3,706 Senior Secondary I students from Ohaozara Local Government Area of Ebonyi State, Nigeria was used for the study. The study adopted non research design. The instrument used for data collection was chemistry interest inventory with the reliability value of 0.84 using Kuder hypotheses guided the study. The research questions were answered using Mean and Standard Deviation scores equivalent quasi s Separation Techniques Interest Inventory (STII) with the reliability value of 0.84 using Kuder-Richardson (KR21). Two research questions and two null hypotheses guided the study. The research questions were answered using Mean and Standard Deviation scores while the hypotheses were tested at 0.05 level of significance using Analysis of Covariance. The study revealed that there is no significant difference in the mean interest scores between male and female students taught standard mixture separation techn res while the hypotheses were tested at 0.05 level of significance using Analysis of Covariance. The study revealed that there is no significant difference in the mean interest scores between male and female students taught standard mixture separation techniques using ethnochemistry approach; [F(1,97) = 6.300, P>0.050]. It also found no significant interaction effect between methods and gender on the mean interest scores using ethnochemistry approach; [F(1,97) = 6.300, P>0.050]. It also found no significant interaction effect between methods and gender on the mean interest scores of students in standard mixture separation techniques; [F(1,197) =0.318, P>0.050]. It was also found no significant interaction effect between methods and gender on the mean interest scores of students in standard mixture separation techniques; [F(1,197) =0.318, P>0.050]. It was recommended among others that male and female students should be involved in ethnochemistry and chemistry curriculum should be restructured to reflect Nigerian culture (indigenous chemistry practices) in order to enhance both male and female students’ interest.
Effect of Gender on Senior Secondary Chemistry Students’ Achievement in Stoichiometry Using Hands-on Activities
Creators: name: Victor Oluwatosin Ajayi, PhD
Publisher: name: figshare
Year: 2017
Subjects: Education

description: The study examined the effect of gender on students’ achievement in stoichiometry using hands-on activities. A sample of 292 students from eight purposively selected secondary schools out of a population of 8,381 SS II students from zone C of Benue State, Nigeria was used for the study. The study adopted a quasi-experimental research design. Stoichiometry Achievement Test (SAT) was used for data collection. Reliability coefficient of 0.92 was established using Pearson correlation moment coefficient. Two research questions and two hypotheses guided the study. The research questions were answered using mean and standard deviation while the hypotheses were tested at 0.05 level of significance using Analysis of covariance (ANCOVA). The study revealed that there is no significant difference in the mean achievement scores between male and female students taught stoichiometry using hands-on activities; (F(1, 145) = 4.160, p>0.05). It also found no significant interaction effect between methods and gender on the mean achievement scores of students in stoichiometry; (F(1, 291) = 0.11, p>0.05). It was recommended among others that since hands-on activities method is not gender sensitive therefore both male and female students should be involved in hands-on activities to enhance their achievement in stoichiometry.
MPEC 2024-U193 : 2024 UE6
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2024
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2024 UE6

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Microstructural evidence of melt-present deformation and its effect on zircon modification
Creators: name: Alsop, Benjamin
Publisher: name: Macquarie University
Year: 2022
Subjects: Other education not elsewhere classified

description: The Earth’s structure, chemistry, and the formation of mineral resources, require significant transfer of mass through the crust. Though pathways are identified such as dykes and shear zones, the recognition of these pathways can be improved and the effects of melt migration n zircon geochronology studied. This project examines a suite of variably strained outcrops associated with a m– scale shear zone in the Pembroke Granulite, Fiordland, New Zealand. This project shows an improved understanding of the signatures and processes associated with mass transfer by identifying five key microstructures indicative of the former presence of melt within intermediate to high strain zones in the Pembroke Granulite; 1) small dihedral angles of interstitial grains including plagioclase, clinozoisite, rutile and ilmenite; 2) veinlets/melt films pseudomorphed by plagioclase, clinozoisite and rutile; 3) melt pseudomorphs including biotite; 4) cuspate grains; & 5) quartz – amphibole symplectites. Further development of this tool is the recognition on how melt-present deformation can modify zircons within a melt-fluxed system. This thesis proposes that microstructures indicative of the former presence of melt, and zircon modification, may be used as a tool for identifying rocks that formed during melt present deformation at variable strain intensities and potential shortfalls to interpretation.
Spin anisotropy due to spin-orbit coupling in optimally hole-doped Ba$_{0.67}$K$_{0.33}$Fe$_{2}$As$_{2}$
Creators: name: Song, Yu
name: Man, Haoran
name: Zhang, Rui
name: Lu, Xingye
name: Zhang, Chenglin
name: Wang, Meng
name: Tan, Guotai
name: Regnault, L. -P.
name: Su, Yixi
name: Kang, Jian
name: Fernandes, Rafael M.
name: Dai, Pengcheng
Publisher: name: arXiv
Year: 2016
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We use polarized inelastic neutron scattering to study the temperature and energy dependence of spin space anisotropies in the optimally hole-doped iron pnictide Ba$_{0.67}$K$_{0.33}$Fe$_{2}$As$_{2}$ ($T_{\rm c}=38$ K). In the superconducting state, while the high-energy part of the magnetic spectrum is nearly isotropic, the low-energy part displays a pronouced anisotropy, manifested by a $c$-axis polarized resonance. We also observe that the spin anisotropy in superconducting Ba$_{0.67}$K$_{0.33}$Fe$_{2}$As$_{2}$ extends to higher energies compared to electron-doped BaFe$_{2-x}TM_{x}$As$_{2}$ ($TM=$Co, Ni) and isovalent-doped BaFe$_{2}$As$_{1.4}$P$_{0.6}$, suggesting a connection between $T_{\rm c}$ and the energy scale of the spin anisotropy. In the normal state, the low-energy spin anisotropy for optimally hole- and electron-doped iron pnictides onset at temperatures similar to the temperatures at which the elastoresistance deviate from Curie-Weiss behavior, pointing to a possible connection between the two phenomena. Our results highlight the relevance of the spin-orbit coupling to the superconductivity of the iron pnictides.
description: accepted for publication in Physical Review B, Supplementary information is appended at the end of the arxiv version
The Future of Information Services and Digital Libraries: The Case of LibGen and SciHub
Creators: name: Alokluk, Jamilah
Publisher: name: Zenodo
Year: 2017

description: The largest digital libraries currently in free public access (LibGen and SciHub) are run by entities few would have expected to play a role in the propagation of scientific knowledge: highly resilient and organised groups of digital pirates. This paper examines, from the marketing science point of view, the data procurement methods, the economic models and the defensive systems employed by these digital libraries, and makes conclusions about the factors that are allowing them to flourish. The principal factors are: (a) the fundamental contradiction inherent in digital rights management (DRM) systems-the content, however strongly protected, must eventually be exposed in its original form to be readable; (b) economic unfeasibility of enforcing copyright on the Internet-the recent failed attempts by Elsevier are examined in particular detail; (c) emergence of influential left-wing political schools of thought regarding the "right" to information, particularly the so-called "open access" movement; (d) availability of high-bandwidth Internet connections, and of significant technical expertise , in countries that are fundamentally unfriendly to the Western legal system, including the copyright law; (e) emergence of financial transaction mechanisms that are beyond the control of nation states. The presence of these factors resulted in the appearance of vast publicly accessible libraries of-technically-copyrighted information. SciHub alone contains over 62 million academic papers and is currently serving over 200,000 requests per day. LibGen hosts approximately 1.6 million scientific and technical books, and 2.7 million fiction books. Both are flourishing; neither is going away anytime soon. 2 JEL
Bäcklund-Darboux Transformations and Discretizations of $N=2\; a=-2$ Supersymmetric KdV Equation
Creators: name: Mao, Hui
name: Liu, Q. P.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences

description: The $N=2 \;a=-2$ supersymmetric KdV equation is studied. A Darboux transformation and the corresponding Bäcklund transformation are constructed for this equation. Also, a nonlinear superposition formula is worked out for the associated Bäcklund transformation. The Bäcklund transformation and the related nonlinear superposition formula are used to construct integrable super semi-discrete and full discrete systems. The continuum limits of these discrete systems are also considered.
description: 12 pages
A Kronecker-type identity and the representations of a number as a sum of three squares
Creators: name: Mortenson, Eric T.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11B65, 11F27

description: By considering a limiting case of a Kronecker-type identity, we obtain an identity found by both Andrews and Crandall. We then use the Andrews-Crandall identity to give a new proof of a formula of Gauss for the representations of a number as a sum of three squares. From the Kronecker-type identity, we also deduce Gauss's theorem that every positive integer is representable as a sum of three triangular numbers.
description: EYPHKA! Theorem 1.6 and Section 4 are new
Course Syllabus: Engineering Computations (MAE 2117)
Creators: name: Barba, Lorena A.
Publisher: name: figshare
Year: 2017
Subjects: subject: 130306 Educational Technology and Computing
subject: FOS: Educational sciences
subject: Education
subject: 130103 Higher Education

description: Course syllabus for the new course in "Engineering Computations" (MAE 2117) at the George Washington University.
Created: Fall 2017.Level: engineering students in year 2.Credits: 3
Course aim:
This course aims to create a foundation in computational thinking for engineers and to develop confidence in using coding to learn within diverse technical contexts.
Learning objectives:
Students will ...1. recognize the value of “coding to learn” in data-based and technical subjects;2. apply numerical problem-solving with well-designed, correct computer programs;3. appreciate the approximations needed to numerically tackle problems modeled by differential equations, solve linear systems, analyze data;4. get acquainted with the scientific-computing tools offered by the Python ecosystem and the principles of open-source software development;5. gain experience documenting the fruits of their study.
title: ADCO, Boursier de Cîteaux : comptes (1489-1493) (11 H 1166), f. 00341
Creators: name: de la Côte-d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CBMA/CG21/F.PETOT/2019
name: Petot, Frédéric
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge
subject: comptes
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris

description: Boursier de Cîteaux : comptes (1489-1493), Archives départementales de la Côte-d'Or, (11 H 1166). Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Boursier de Cîteaux : comptes (1489-1493), Archives départementales de la Côte-d'Or, (11 H 1166), f. 00341, in Projet CBMA - Corpus Burgundiae Medii Aevi \[Ressource en ligne\], https:// manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
On Constraint Qualifications of a Nonconvex Inequality
Creators: name: Wei, Zhou
name: Yao, Jen-Chih
Publisher: name: arXiv
Year: 2017
Subjects: subject: Optimization and Control (math.OC)
subject: FOS: Mathematics

description: In this paper, we study constraint qualifications for the nonconvex inequality defined by a proper lower semicontinuous function. These constraint qualifications involve the generalized construction of normal cones and subdifferentials. Several conditions for these constraint qualifications are also provided therein. When restricted to the convex inequality, these constraint qualifications reduce to basic constraint qualification (BCQ) and strong BCQ studied in [SIAM J. Optim., 14(2004), 757-772] and [Math. Oper. Res., 30 (2005), 956-965].
The Plateau-Rayleigh instability in solids is a simple phase separation
Creators: name: Xuan, Chen
name: Biggins, John S.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Classical Physics (physics.class-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: A long elastic cylinder, radius $a$ and shear-modulus $μ$, becomes unstable given sufficient surface tension $γ$. We show this instability can be simply understood by considering the energy, $E(λ)$, of such a cylinder subject to a homogenous longitudinal stretch $λ$. Although $E(λ)$ has a unique minimum, if surface tension is sufficient ($Γ\equivγ/(aμ)>\sqrt{32}$) it looses convexity in a finite region. We use a Maxwell construction to show that, if stretched into this region, the cylinder will phase separate into two segments with different stretches $λ_1$ and $λ_2$. Our model thus explains why the instability has infinite wavelength, and allows us to calculate the instability's sub-critical hysteresis loop (as a function of imposed stretch), showing that instability proceeds with constant amplitude and at constant (positive) tension as the cylinder is stretched between $λ_1$ and $λ_2$. We use full nonlinear finite-element calculations to verify these predictions, and to characterize the interface between the two phases. Near $Γ=\sqrt{32}$ the length of such an interface diverges introducing a new length-scale and allowing us to construct a 1-D effective theory. This treatment yields an analytic expression for the interface itself, revealing its characteristic length grows as $l_{wall}\sim a/\sqrt{Γ-\sqrt{32}}$.
Expanding antibiotic chemical space through precursor-directed biosynthesis
Creators: name: Morshed, Mahmud Tareq
Publisher: name: Macquarie University
Year: 2022
Subjects: Other education not elsewhere classified

description: The rapid emergence of multidrug-resistant microorganisms demands continuous development of new antibiotics with novel modes of action. However, very few candidates are currently in the pipeline. The present study addresses this challenge by combining natural product chemistry, precursor-directed biosynthesis and chemical derivatisation to expand the chemical space around nidulin, an antibiotic depsidone first isolated from Aspergillus nidulans in 1944. Initial optimisation of culture media led to two new fungal metabolites, 7-carboxyfolipastatin and unguinolic acid, as well as four previously reported compounds. In precursor-directed biosynthesis experiments, Aspergillus unguis was fed unnatural salicylic acid and orsellinic acid derivatives, which did not yield any new nidulin analogues. However, supplementing the culture medium with halide salts led to three new depsides, unguidepside A, unguidepside B and 5-bromoagonodepside B, and one new depsidone, 2-bromo-7-chlorounguinol. Finally, a semi-synthetic approach was employed to generate six nidulin analogues. All natural, unnatural and semi-synthetic compounds were screened for antibacterial, antifungal and cell cytotoxicity activities. Among the new depsides and depsidones, 2-bromo-7-chlorounguinol showed good antibacterial activity (IC50 2.8 μg/mL), while 2,4-diiodo-1ʹ,2ʹ-dihydrounguinol exhibited the highest antibacterial activity (IC50 0.99 μg/mL) against Bacillus subtilis among the all synthetic compounds. A structure-activity relationship for the nidulin pharmacophore was proposed.
Fast and Accurate Simulation Technique for Large Irregular Arrays
Creators: name: Bui-Van, Ha
name: Abraham, Jens
name: Arts, Michel
name: Gueuning, Quentin
name: Raucy, Christopher
name: Gonzalez-Ovejero, David
name: Acedo, Eloy de Lera
name: Craeye, Christophe
Publisher: name: arXiv
Year: 2017
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: A fast full-wave simulation technique is presented for the analysis of large irregular planar arrays of identical 3-D metallic antennas. The solution method relies on the Macro Basis Functions (MBF) approach and an interpolatory technique to compute the interactions between MBFs. The Harmonic-polynomial (HARP) model is established for the near-field interactions in a modified system of coordinates. For extremely large arrays made of complex antennas, two approaches assuming a limited radius of influence for mutual coupling are considered: one is based on a sparse-matrix LU decomposition and the other one on a tessellation of the array in the form of overlapping sub-arrays. The computation of all embedded element patterns is sped up with the help of the non-uniform FFT algorithm. Extensive validations are shown for arrays of log-periodic antennas envisaged for the low-frequency SKA (Square Kilometer Array) radio-telescope. The analysis of SKA stations with such a large number of elements has not been treated yet in the literature. Validations include comparison with results obtained with commercial software and with experiments. The proposed method is particularly well suited to array synthesis, in which several orders of magnitude can be saved in terms of computation time.
description: The paper was submitted to IEEE Transaction on Antennas and Propagation on 01 - Feb.- 2017. The paper is 12 pages with 18 figures
The nature of syntactic processing in music and language
Creators: name: Fiveash, Anna
Publisher: name: Macquarie University
Year: 2022
Subjects: Other education not elsewhere classified

description: It has been suggested that music and language are processed with shared cognitive resources. As these processing resources are limited in capacity, the concurrent presentation of music and language should produce interference, such that reduced processing is observed in one or both domains. The aim of this thesis was to investigate shared syntactic processing in music and language. To this end, I conducted a series of experiments to address limitations in previous research on this topic, which has (1) depended on surprising violations of syntactic structure, which may have engaged shared non-syntactic processes between music and language; (2) ignored considerations of auditory streaming research; and (3) focused mainly on the effects of music syntax processing on language syntax processing but not vice versa. Chapter 1 outlines the theoretical basis for the thesis. Chapter 2 presents three experiments showing that syntactic interference can be observed without surprising violations of structure, and that syntactic processing is dependent on successful auditory streaming. Chapter 3 reports on an event-related potential (ERP) study suggesting that syntactic processing of music is reduced when auditory streaming is disrupted. Experiments in Chapters 4 and 5 suggest that syntactic interference from music to language is modulated by whether tasks are primary or secondary. In both chapters, syntactic interference was not observed on the primary tasks, but interference was observed on the secondary tasks. In Chapter 6, all the experimental findings are drawn together and interpreted within a new Competitive Attention and Prioritisation Model. This thesis provides a new understanding of the nature of syntactic processing in music and language, and provides insight into the simultaneous processing of syntax in these two important modes of human communication.
Characterizing the transition from diffuse atomic to dense molecular clouds in the Magellanic clouds with [CII], [CI], and CO
Creators: name: Pineda, Jorge L.
name: Langer, William D.
name: Goldsmith, Paul F.
name: Horiuchi, Shinji
name: Kuiper, Thomas B. H.
name: Muller, Erik
name: Hughes, Annie
name: Ott, Juergen
name: Requena-Torres, Miguel A.
name: Velusamy, Thangasamy
name: Wong, Tony
Publisher: name: arXiv
Year: 2017
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present and analyze deep Herschel/HIFI observations of the [CII] 158um, [CI] 609um, and [CI] 370um lines towards 54 lines-of-sight (LOS) in the Large and Small Magellanic clouds. These observations are used to determine the physical conditions of the line--emitting gas, which we use to study the transition from atomic to molecular gas and from C^+ to C^0 to CO in their low metallicity environments. We trace gas with molecular fractions in the range 0.10.45 in both the LMC and SMC. Ionized carbon is the dominant gas-phase form of this element that is associated with molecular gas, with C^0 and CO representing a small fraction, implying that most (89% in the LMC and 77% in the SMC) of the molecular gas in our sample is CO-dark H2. The mean X_CO conversion factors in our LMC and SMC sample are larger than the value typically found in the Milky Way. When applying a correction based on the filling factor of the CO emission, we find that the values of X_CO in the LMC and SMC are closer to that in the Milky Way. The observed [CII] intensity in our sample represents about 1% of the total far-infrared intensity from the LOSs observed in both Magellanic Clouds.
description: 32 pages, 21 figures, Accepted to ApJ
Magnificat octo vocum super octo tonos consuetos, cum motetis aliquot 8. et 12. vocum
Creators: name: Praetorius, Hieronymus
Publisher: name: [s.n.]
Year: 1602

description: [Bd.] 1 Cantus
description: [Bd.] 2 Altus
description: [Bd.] 3 Tenor
description: [Bd.] 4 Bassus
description: [Bd.] 5 Quinta
description: [Bd.] 6 Sexta
description: [Bd.] 7 Septima
description: [Bd.] 8 Octava vox
description: Authore Hieronymo Praetorio
description: Inhaltsverzeichnis jeweils am Ende der Stimmhefte
Vacuum structure of bifundamental gauge theories at finite topological angles
Creators: name: Tanizaki, Yuya
name: Kikuchi, Yuta
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss possible vacuum structures of $SU(n)\times SU(n)$ gauge theories with bifundamental matters at finite $θ$ angles. In order to give a precise constraint, a mixed 't Hooft anomaly is studied in detail by gauging the center $\mathbb{Z}_n$ one-form symmetry of the bifundamental gauge theory. We propose phase diagrams that are consistent with the constraints, and also give a heuristic explanation of the result based on the dual superconductor scenario of confinement.
description: 28 pages, 6 figures; (v2) references added