cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Understanding Teacher Strengths: Self-Regulated Learning and Self-efficacy in a Canadian Sample of Pre- and in-service Teachers
Creators: name: Fernández Conde, Cristina
Publisher: name: Graduate Studies
Year: 2018
Subjects: subject: self-regulated learning
subject: self-efficacy
subject: affect
subject: pre-service teachers
subject: in-service teachers
subject: Educational Psychology

description: The current exploratory study examined the relationship between self-regulated learning (SRL), self-efficacy (SE), and emotions in a sample of pre- and in-service student teachers at a Canadian university. Forty-seven pre- and in-service teachers completed questionnaires that measured SRL, SE, and affect. Propensity score matching was used to compare differences in SRL and SE in a sample of 20 participants. The strength and relationship between SRL, SE, and positive and negative affect were also examined in the overall sample. Furthermore, information was obtained regarding the level at which SRL predicts SE while controlling for gender, degree of study, and positive and negative affect. Results indicated no significant differences in the levels of SRL and SE in the matched sample of pre- and in-service teachers. A moderate correlation was found between SE and positive affect. However, no significant correlations were found between SRL and SE when controlling for positive affect and a weak significant correlation was found between these set of variables when controlling for negative affect. A moderate correlation between SE and positive affect was found when controlling for negative affect. These findings suggest that affect plays an important part in the relationship between SRL and SE, especially when it comes to the sense of mastery teachers have. Results also showed that SRL significantly predicted 10% of the variance in SE in the participants of this sample. When assessing the linear relationship between SRL and SE sequentially, by controlling for gender, degree, and positive and negative affect, results suggested that adding affect to the SE prediction model was statistically significant. Similar to the correlations, affect is important in teachers’ estimations of what they are capable to do in the classroom. SRL may be an important counterbalance to negative affect and its undesirable effects on SE. Results of the present study may contribute to understand these psychological attributes in this teacher sample. Implications for teacher training programs and future directions in this area are discussed.
Additional file 2 of SIESTA: a quick interprofessional learning activity fostering collaboration and communication between paediatric nursing trainees and medical students
Creators: name: Friedrich, Sebastian
name: Straub, Christine
name: Bode, Sebastian Felix Nepomuk
name: Heinzmann, Andrea
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Science Policy
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 2. Answers to SIESTA questionnaire items. Answers given by number of participants for the six SIESTA questionnaire items reported in this study, including percentage. P-values are provided for comparison between professions, using Mann-Whitney-U-test.
Solanum dendroicum O. E. Schulz & Ekman 2009, Spec. Nov.
Creators: name: Madrid, Anales del Jardín Botánico de
name: 2009
name: Knapp, Sandra
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Solanales
Solanaceae
Solanum
Solanum dendroicum

description: Solanum dendroicum O.E. Schulz & Ekman, Repert. Spec. Nov. Regni Veg. 32: 91. 1933 Type: Dominican Republic. Prov. Samaná, Peninsula de Samaná, near Samaná, Laguna, ca. 350 m, 21 May 1930, E.L. Ekman H.15102 (lectotype, S [S04- 2902], designated here; isolectotypes, A [A0077457], K [K000196485], NY [NY00111365]). Distribution. Endemic to the Samaná Peninsula of the Dominican Republic in northeastern Hispaniola, in matorrales and forests on limestone derived from ancient corals from sea level to 350 m elevation. Representative specimen. Dominican Republic, Prov. Samaná, Peguero & Veloz 549 (JBSD, MO). Of the four syntypes cited by Schulz (Ekman H.14847, Ekman H.15042, Ekman H.15102 and Abbott 2922), only one (Ekman H15102) is fertile. The sheet in S (Fig. 2d) has been chosen as the lectotype because Eric Ekman’s top set of specimens is housed in Stockholm, all have been annotated by Ekman, and S04-2902 is in excellent condition.
description: Published as part of Madrid, Anales del Jardín Botánico de, 2009 & Knapp, Sandra, 2009, Synopsis and lectotypification of Solanum (Solanaceae) species endemic in the West Indies, pp. 65-84 in Anales del Jardín Botánico de Madrid 66 (1) on page 73, DOI: 10.3989/ajbm.2209, http://zenodo.org/record/6326308
Understanding Hierarchically Structured Objects
Creators: name: Wasserman, Kenneth
Publisher: name: Columbia University
Year: 1984
Subjects: Computer science

description: Natural and artificial hierarchical systems are pervasive. There is a strong need on the part of researcher8 in artificial intelligence and other areas of cognitive science to have mechanisms for "understanding" such systems. Furthermore, computer programs often represent data in a hierarchical form and they would greatly benefit from a technique that would allow them to dynamically build such classification systems from this data. This paper presents a formalism for describing hierarchies and then uses this formalism to explore the issue of inheritance from multiple sources which is of particular importance in hierarchy understanding.
The $\cos2ϕ$ azimuthal asymmetry of unpolarized dilepton production at the $Z$-pole
Creators: name: Lu, Zhun
name: Schmidt, Ivan
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We calculate the Boer-Mulders effect contribution to the $\cos2ϕ$ azimuthal asymmetry of unpolarized dilepton production near the $Z$-pole. Based on the tree-level expression in the transverse momentum dependent factorization framework, we show that the corresponding asymmetry near the $Z$-pole is negative, which is opposite to the asymmetry in the low $Q^2$ region, dominated by the production via a virtual photon. We calculate the asymmetry generated by the Boer-Mulders effect near the $Z$-pole at RHIC, with $\sqrt{s}=500$ GeV. We find that the magnitude of the asymmetry is several percent, and therefore it is measurable. The experimental confirmation of this sign change of the asymmetry from the low $Q^2$ region to the $Z$-pole provides direct evidence of the chiral odd structure of quarks inside an unpolarized nucleon.
description: comments and references added, journal version
Characterizing the role of secretory phospholipase A₂ group IIA in glial cell-mediated neurotoxicity
Creators: name: Villanueva, Erika Bianca
Publisher: name: University of British Columbia
Year: 2011

description: Microglia are a type of non-neuronal glial cell that represent the mononuclear phagocyte system and innate immunity in the central nervous system. Astrocytes are another glial cell type. Under pathological circumstances, both glia types are capable of sustaining chronic inflammation in the brain, which results in neuronal death. Immune response involves glial secretion of pro-inflammatory mediators. Phospholipases A₂ (PLA₂) convert cell membrane glycerophospholipids into arachidonic acid, which in turn is a precursor to several pro-inflammatory eicosanoids that are released by glial cells. It is well established that secretory PLA₂ group IIA (sPLA₂IIA) is a pro-inflammatory mediator, however little is known about the role this enzyme plays in neurodegeneration. This thesis focuses on sPLA₂IIA and its role in chronic inflammation underlying neurodegenerative disorders such as Alzheimer’s and Parkinson’s diseases. Activated astrocytes have been shown to secrete sPLA₂IIA. However, no information is available on sPLA₂IIA expression and regulation in microglia. This thesis hypothesizes that sPLA₂IIA is a toxin secreted by activated glial cells, which causes neuronal death. If sPLA₂IIA contributes to neurotoxicity, then agents that inhibit, modify, or remove sPLA₂IIA from extracellular space should reduce the cytotoxic effects of glial secretions. The following human cells were used to study sPLA₂IIA expression, secretion and functions: microglia-like promonocytic THP-1 cells, U-373 MG astrocytoma cells, primary human astrocytes and neuroblastoma SH-SY5Y cells. Reverse transcriptase polymerase chain reaction (RT-PCR) revealed that stimulation by pro-inflammatory mediators induced sPLA₂IIA mRNA expression by glial cells. Stimulated glial cell supernatants were toxic to neuronal SH-SY5Y cells. Stimulation caused increased sPLA₂IIA protein concentrations in supernatants from all three types of glial cells. Despite observing increased sPLA₂IIA-specific enzymatic activity in stimulated glial cell supernatants, neither specific nor non-specific PLA₂ inhibitors exhibited anti-cytotoxic effects. However, the removal of sPLA₂IIA from supernatants by immunosorbents resulted in significantly increased neuronal survival, suggesting that sPLA₂IIA neurotoxicity relies on a non-enzymatic mechanism. Based on in vitro experiments and a literature review, potential sPLA₂IIA neurotoxicity mechanisms are proposed. The data obtained provide valuable information toward a more detailed mechanistic understanding of neuroinflammation and may guide future research toward more effective therapeutic agents for neurodegenerative disorders.
Coordinating a Robot Arm and: Multi-finger Hand Using the Quaternion Representation
Creators: name: Roberts, Kenneth S.
Publisher: name: Columbia University
Year: 1989
Subjects: Computer science

description: An autonomous hand-arm system must be able to move its multiple fingertips to specified 3-D world locations. We present an algorithm which, given a desired position and normal for each fingertip, computes all the joint angles for the fingers and arm. Our primary method for handling this under-constrained problem is to optimize a cost function. We also give methods for generating good candidates to be optimized. We present several new techniques for using the quaternion form to optimize rotation. We give experimental results from using the algorithm to apply complicated grasps with a Utah/MIT hand-arm system.
Classical/Quantum=Commutative/Noncommutative?
Creators: name: Kisil, Vladimir V.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Physics (quant-ph)
subject: Mathematical Physics (math-ph)
subject: History and Overview (math.HO)
subject: FOS: Physical sciences
subject: FOS: Mathematics
subject: 81P05, 22E27

description: In 1926, Dirac stated that quantum mechanics can be obtained from classical theory through a change in the only rule. In his view, classical mechanics is formulated through commutative quantities (c-numbers) while quantum mechanics requires noncommutative one (q-numbers). The rest of theory can be unchanged. In this paper we critically review Dirac's proposition. We provide a natural formulation of classical mechanics through noncommutative quantities with a non-zero Planck constant. This is done with the help of the nilpotent unit, which squares to zero. Thus, the crucial rôle in quantum theory shall be attributed to the usage of complex numbers. The paper provides English and Russian versions.
description: 8 pages, AMS-LaTeX, no figures. v2: small improvements and additional references; v3: small improvements, additional references, Russian translation is added
Inward FDI in Poland and its policy context, 2012
Creators: name: Zimny, Zbigniew
Publisher: name: Columbia University
Year: 2012
Subjects: Finance
Economics

description: Good economic performance, one of the best in European Union (EU) economies during the global crisis of 2008-2009 and the subsequent economic slowdown in Europe in 2009 and 2010, did not save Poland from experiencing a decline in foreign direct investment (FDI) inflows during 2008-2010. Inflows in 2010, at US$ 9 billion, were only 38% of their peak value of 2007. In 2011, inflows started to recover, reaching US$ 14.3 billion. In 2010, the FDI stock in Poland surpassed US$ 200 billion for the first time and was by far the largest among the stocks held in the new member economies of the EU from Central and Eastern Europe. Economic prospects of Poland are favorable, but the ongoing debt crisis and the continuing economic slowdown in Western Europe, the dominant home region for multinational enterprises (MNEs) investing in Poland, put a question mark on the strength of any further recovery of FDI inflows.
Enjeux et reconstructions identitaires dans l'ecriture de l'immigration de Fatou Diome
Creators: name: Mfossi Yienou, Awawou
Publisher: name: University of Calgary
Year: 2008

description: Bibliography: p. 95-102
description: L'étude du phénomène migratoire et du clivage identitaire dans les sociétés multiculturelles est fondamentale à 1' heure où la mondialisation suit irrémédiablement son cours. Elle permet de rendre compte de la nature des relations qu'entretiennent l' Occident et l'Afrique depuis leur rencontre ; et d'évaluer les différentes représentations stéréotypées de l'ici (pays d'origine) et de l' ailleurs (pays d'accueil) ou vice versa, selon la position de l'immigrant. L'émigration des Africains vers 1' Occident prend de 1' ampleur et maintient le continent, jusqu'ici colonisé, dans la dépendance vis-à-vis du colonisateur, maître qui contrôle encore les destinées. L'inhospitalité, le rapatriement (vers leurs pays d' originè) et l'incertitude de 1a vie dans l' ailleurs (l' Occident), présenté comme !'Eldorado aux Africains, rendent l' intégration des immigrants impossible. Ce qui entraîne la nostalgie des origines dont la reconquête pourrait aider les immigrants à reconstruire leur identité. C'est ce qui ressort des oeuvres littéraires francophones traitant de l'immigration. Dans cette perspective, une lecture postcoloniale du Ventre de l 'Atlantique et de Kétala de Fatou Diome permet d'analyser les enjeux et la reconstruction identitaire dans cette écriture de l'immigration, afin d'envisager des possibilités de surmonter les conditionnements infériorisants dont l' Afrique a toujours été victime. La démystification de l'ailleurs chez Diome met en exergue !.'éventualité d'amener la jeunesse africaine à prendre conscience de sa capacité à se développer de manière a~tonome et de faire triompher le potentiel de l'Afrique en tant que communauté indépendante. Ce positionnement pourrait à son tour favoriser le dépassement des binarités et assurer les processus constants qui tendent à humaniser la globalisation.
The Proteins from Sika deer antler as potential modulators on cisplatin-induced cytotoxicity in human embryonic kidney 293 cells
Creators: name: Yang, Huihai
name: Li, Wei
name: Wang, Lulu
name: He, Xiaofeng
name: Sun, Hang
name: Zhang, Jing
Publisher: name: Taylor & Francis
Year: 2017
Subjects: subject: Biochemistry
subject: Cell Biology
subject: Molecular Biology
subject: Pharmacology
subject: Chemical Sciences not elsewhere classified
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: Marine Biology
subject: Cancer
subject: Hematology

description: Our study aimed to investigate the protective role of SDAPR on cisplatin-induced cytotoxicity and its’ possible mechanism in HEK293 cells. Cell viability was measured by MTT assay. Oxidative stress (SOD, GSH, LDH and MDA), inflammatory factors (TNF-α and IL-6) and apoptosis-related proteins (caspase-3, Bax, Bcl-2) expression were measured. The apoptotic cells were observed by TUNEL staining. Our study results indicated that non-cytotoxic levels of SDAPR significantly increased viability rate (LD50 value of cisplatin is 20 μM), which improved antioxidant defence, attenuated apoptosis by decreasing expression levels of cleaved-caspase-3 and Bax, increasing Bcl-2 expression and inhibiting apoptotic positive cells in HEK 293 cells. In addition, SDAPR treatment markedly inhibited the levels of TNF-α and IL-6. In conclusion, Sika deer antler protein, a potential modulator, could alleviate cisplatin-induced cytotoxicity in HEK 293 cells.
Study of the Methane Chemical Looping Combustion Process Using Supported Metal Carriers for Carbon Capture
Creators: name: Tijani, Mansour Mohammedramadan Ahmed A.
Publisher: name: Graduate Studies
Year: 2018
Subjects: subject: Chemical looping combustion
subject: Oxidation reaction
subject: Oxygen carrier
subject: Reduction reaction
subject: Thermogravimetric analyzer
subject: Activation energy
subject: Carbon capture
subject: Mass transfer internal effectiveness factor
subject: Reaction pathway
subject: Environmental Sciences
subject: Energy
subject: Engineering
subject: Engineering--Chemical

description: Global warming caused by greenhouse gases (GHGs) has in the recent years become a great concern internationally. Recent changes in weather patterns can be attributed as one of the possible results of global warming. The emission portion of carbon dioxide (CO2) is one of the highest among the GHGs. Accordingly, carbon capture technology is needed to decrease CO2 emission to the atmosphere. The Chemical Looping Combustion (CLC) process is an alternative and immature process to capture CO2. This process produces a concentrated stream of CO2 that does not require any further expensive separation unit. To commercialize this technology, this thesis presents a comprehensive study of the methane CLC process using supported mixed metals oxygen carriers. In the first part of the study, synthesis and reactivity evaluation of monometallic carriers were conducted, assessing and discussing the effect of various operating conditions on reactivity. Interaction between monometallic precursors (Ni & Co) and alumina support was observed, resulting in forming intermediate phases such as CoAl2O4 and NiAl2O4; the CoAl2O4 phase was successfully reduced but the NiAl2O4 did not reduce. By varying the temperature (800°C-950°C), the highest observable oxygen capacity for all 16 samples was found to be between 900°C and 950°C. In the second part of the study, optimum operating conditions obtained previously were applied to the supported bimetallic carriers, leading to novel findings. The redox reactions pathways were determined, with a main conclusion being that once the chemical stability between precursors and supports maximized, negligible interaction could be anticipated. The Ni-Co/ZrO2, Ni-Cu/ZrO2, and Ni-Fe/ZrO2 samples showed stable oxygen capacities compared to others and negligible interaction between precursors and supports. In the last part of the study, Aspen Plus computer software was used to examine the feasibility and sustainability of the process. It was found that the loading percentage of precursor (Ni-Cu/ZrO2) showed no significant effect on conversion in the fuel reactor, but conversion increased by 39% in the air reactor. Finally, the case study was compared with other competing processes. The overall efficiency of the case study was found to be higher than that of the competing processes, suggesting its potential for commercialization.
Additional file 1 of “What are we doing to our babies’ teeth?” Barriers to establishing oral health practices for Indigenous children in South Australia
Creators: name: Poirier, Brianna
name: Hedges, Joanne
name: Smithers, Lisa
name: Moskos, Megan
name: Jamieson, Lisa
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Cancer
subject: Science Policy
subject: Computational Biology

description: Additional file 1. Participant comparison by demographic characteristics within knowledge, parental, structural, and social factors.
Sequentiality vs. Concurrency in Games and Logic
Creators: name: Abramsky, Samson
Publisher: name: arXiv
Year: 2011
Subjects: subject: Logic in Computer Science (cs.LO)
subject: Logic (math.LO)
subject: Quantum Physics (quant-ph)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: Connections between the sequentiality/concurrency distinction and the semantics of proofs are investigated, with particular reference to games and Linear Logic.
description: 35 pages, appeared in Mathematical Structures in Computer Science
Obstacle Avoidance and Path Planning Using a Sparse Array of Sonars
Creators: name: Ciocarlie, Matei
Publisher: name: Columbia University
Year: 2004
Subjects: Computer science

description: This paper proposes an exploration method for robots equipped with a set of sonar sensors that does not allow for complete coverage of the robot's close surroundings. In such cases, there is a high risk of collision with possible undetected obstacles. The proposed method, adapted for use in urban outdoors environments, minimizes such risks while guiding the robot towards a predefined target location. During the process, a compact and accurate representation of the environment can be obtained.
Towards a Framework for Comparing Object-Oriented Systems
Creators: name: Wu, Shyhtsun Felix
Publisher: name: Columbia University
Year: 1989
Subjects: Computer science

description: Choosing a suitable object-oriented system for a particular application domain is very hard, at least in part because the object-oriented research community has not yet converged on what is meant by "object-oriented system". In order to solve this selection problem, a comparison framework is proposed to evaluate a range of object-oriented systems. We then use this framework to consider three different systems, MELD, MARVEL, and VBASE, which represent several quite different design choices for object-oriented systems. We also show the advantages as well as disadvantages about such a framework, and discuss future extensions.
Solanum ensifolium Dunal
Creators: name: Madrid, Anales del Jardín Botánico de
name: 2009
name: Knapp, Sandra
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Solanales
Solanaceae
Solanum
Solanum ensifolium

description: Solanum ensifolium Dunal, in DC., Prodr. 13(1): 186. 1852 Type: “ Mexico, J. Pavón ” [Puerto Rico, M. Sessé & J. Mociño s.n.] (holotype, G [G-Boiss., F neg. 34117]; isotype, MA [MA-604619, F neg. 48338]).
description: Published as part of Madrid, Anales del Jardín Botánico de, 2009 & Knapp, Sandra, 2009, Synopsis and lectotypification of Solanum (Solanaceae) species endemic in the West Indies, pp. 65-84 in Anales del Jardín Botánico de Madrid 66 (1) on page 73, DOI: 10.3989/ajbm.2209, http://zenodo.org/record/6326308
Flux vacua in DBI type Einstein-Maxwell theory
Creators: name: Maki, Takuya
name: Kan, Nahomi
name: Kobayashi, Koichiro
name: Shiraishi, Kiyoshi
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study compactification of extra dimensions in a theory of Dirac-Born-Infeld (DBI) type gravity. We investigate the solution for Minkowski spacetime with an $S^2$ extra space as well as that for de Sitter spacetime ($S^4$) with an $S^2$ extra space. They are derived by the effective potential method in the presence of the magnetic flux on the extra sphere. We also consider the higher dimensional generalization of the solutions. We find that, in a certain model, the radius of the extra space has a minimum value independent of the higher-dimensional Newton constant in weak-field limit.
description: 13 pages, no figure. A reference added, typos fixed
Additional file 1 of The impact of the Affordable Care Act on patient coverage and access to care: perspectives from FQHC administrators in Arizona, California and Texas
Creators: name: Ercia, Angelo
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Biotechnology
subject: Cancer
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 1.
Non-zero θ_{13} linking to Dark Matter from Non-Abelian Discrete Flavor Model in Radiative Seesaw
Creators: name: Ahn, Y. H.
name: Okada, Hiroshi
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We propose a new scenario in a radiative seesaw model based on A_4 flavor symmetry. In this model, we explore a possibility of linking non-zero θ_{13} to dark matter. And we analyze the lepton sector to predict the observed neutrinos and mixings, especially obtaining a lower bound of θ_{13}~3.5 [Deg.]. We show that the non-zero θ_{13} is correlated with our heavy Majorana type of dark matter. Also we predict that the mass be O(1-10) TeV, as a result of analyzing the Wilkinson-Microwave-Anisotropy-Probe and lepton flavor violation.
description: 24 pages, 7 figures and 1 table, Accepted in Physical Review D
CASPER: Compiler-Assisted Securing of Programs at Runtime
Creators: name: Kc, Gaurav S.
name: Edwards, Stephen A.
name: Kaiser, Gail E.
Publisher: name: Columbia University
Year: 2002
Subjects: Computer science

description: Ensuring the security and integrity of computer systems deployed on the Internet is growing harder. This is especially true in the case of server systems based on open source projects like Linux, Apache, Sendmail, etc. since it is easier for a hacker to get access to the binary format of deployed applications if the source code to the software is publicly accessible. Often, having a binary copy of an application program is enough to help locate security vulnerabilities in the program. In the case of legacy systems where the source code is not available, advanced reverse-engineering and decompilation techniques can be used to construct attacks. This paper focuses on measures that reduce the effectiveness of hackers at conducting large-scale, distributed attacks. The first line of defense involves additional runtime checks that are able to counteract the majority of hacking attacks. Introducing diversity in deployed systems to severely diminish the probability of propagation to other systems helps to prevent effective attacks like the DDOS attack against the DNS root servers in October 21, 2002.
Majorana Flat Bands and Uni-directional Majorana Edge States in Gapless Topological Superconductors
Creators: name: Wong, Chris L. M.
name: Liu, Jie
name: Law, K. T.
name: Lee, Patrick A.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: In this work, we show that an in-plane magnetic field can drive a fully gapped $p \pm i p$ topological superconductor into a gapless phase which supports symmetry protected Majorana edge states (MESs). Specifically, an in-plane magnetic field can close the bulk gap and create zero energy Majorana flat bands (MFBs) in the excitation spectrum. We show that the MFBs in the gapless regime are protected by symmetry and are associated with MESs. The MFBs acquire finite slopes when s-wave pairing and Rashba spin-oribit coupling terms are added to the Hamiltonian. In this case, novel uni-directional MESs which propagate in the same direction on opposite edges may appear. Uni-directional MESs can also be found in pure s-wave superconductors with spin-orbit coupling. The MFBs and the uni-directional MESs induce nearly quantized zero bias conductance in tunneling experiments even in the presence of a gapless bulk and disorder.
description: 5 pages, 5 figures
Development of macromolecular phosphorus-containing viologens
Creators: name: Striepe, Laura J.
Publisher: name: Graduate Studies
Year: 2018
Subjects: subject: phosphorus
subject: viologen
subject: electrochromism
subject: redox
subject: functional material
subject: phosphaviologen
subject: phosphoryl-bridge viologen
subject: Education--Sciences
subject: Chemistry--Organic
subject: Engineering--Electronics and Electrical
subject: Materials Science

description: This thesis highlights the development and strategy towards larger, macromolecule-based phosphoryl-bridged viologens, or “phosphaviologens”, as an electrode material for application in organic electronics. The general setup of a battery consists of an anode and cathode, separated by an electrolyte. Cathodic materials, or electron-donating p-type materials, have been well established in organic batteries. Their anodic counter-parts, or electron-accepting n-type materials have not seen as much success and require further investigation. The phosphaviologen, developed by the Baumgartner group, has seen significant progress as an n-type material and is investigated in larger systems throughout this thesis. The first research chapter discusses two new “star-shaped” phosphoryl-bridged viologens and their appreciable electron-accepting ability. The three- and four-pendant compounds were fully characterized, and their benefits and drawbacks are examined. The second research chapter discusses the synthetic strategy and attempts of incorporating the phosphaviologen within a larger polymeric material, that is cellulose nanocrystals, and highlights the difficulties associated. Later discussed is an interesting aggregate that is produced between the anionic cellulose nanocrystals and the cationic phosphaviologen molecules. Expanding on the previous chapter, the final research chapter highlights the efforts of developing highly charged phosphaviologen-containing polymers. Initially, various functionalized precursor polymer backbones were utilized with the phosphaviologen. An alternative route was explored with a bottom-up approach, investigating the polymerization of a polymerization-ready phosphaviologen monomer. This chapter closes with a promising outlook with reference to this topic. Lastly, this thesis concludes with the future direction of phosphaviologen aggregates, and the continuation of the development of a polymer-containing phosphaviologen. The overall goal of this thesis was motivated toward developing novel anodic materials for battery applications.
Improving Efficiency and Reliability of Building Systems Using Machine Learning and Automated Online Evaluation
Creators: name: Wu, Leon Li
name: Kaiser, Gail E.
name: Solomon, David M.
name: Winter, Rebecca Lynn
name: Boulanger, Albert G.
name: Anderson, Roger N.
Publisher: name: Columbia University
Year: 2012
Subjects: Computer science

description: A high percentage of newly-constructed commercial office buildings experience energy consumption that exceeds specifications and system failures after being put into use. This problem is even worse for older buildings. We present a new approach, 'predictive building energy optimization', which uses machine learning (ML) and automated online evaluation of historical and real-time building data to improve efficiency and reliability of building operations without requiring large amounts of additional capital investment. Our ML approach uses a predictive model to generate accurate energy demand forecasts and automated analyses that can guide optimization of building operations. In parallel, an automated online evaluation system monitors efficiency at multiple stages in the system workflow and provides building operators with continuous feedback. We implemented a prototype of this application in a large commercial building in Manhattan. Our predictive machine learning model applies Support Vector Regression (SVR) to the building's historical energy use and temperature and wet-bulb humidity data from the building's interior and exterior in order to model performance for each day. This predictive model closely approximates actual energy usage values, with some seasonal and occupant-specific variability, and the dependence of the data on day-of-the-week makes the model easily applicable to different types of buildings with minimal adjustment. In parallel, an automated online evaluator monitors the building's internal and external conditions, control actions and the results of those actions. Intelligent real-time data quality analysis components quickly detect anomalies and automatically transmit feedback to building management, who can then take necessary preventive or corrective actions. Our experiments show that this evaluator is responsive and effective in further ensuring reliable and energyefficient operation of building systems.
A Non-blocking Commitment Protocol
Creators: name: Duchamp, Dan
Publisher: name: Columbia University
Year: 1989
Subjects: Computer science

description: A "non-blocking" commitment protocol is one that ensures that at least some sites of a multi-site transaction do not block in spite of any single failure. This paper describes a quorum-based non-blocking commitment protocol that also subsumes the functions of termination and recovery protocols. The protocol survives any single site crash or network partition provided that the failure is not falsely detected. The protocol is correct despite the occurrence of any number of failures, and whether or not failures are falsely detected. When there is no failure, the protocol requires three phases of message exchange between the coordinator and the subordinates and requires each site to force two log records. Read-only transactions are optimized so that a read-only subordinate typically writes no log records and exchanges only one round of messages with the coordinator. Sites can forget the transaction after it terminates everywhere. Finally, a fundamental result about quorum-based commit protocols is uncovered: they are effective only for transactions involving more than three sites.
Energy-intensive manufacturing sectors in China: policy priorities for achieving climate mitigation and energy conservation targets
Creators: name: Li, Li
name: Wang, Jianjun
name: Gallachóir, Brian Ó
name: Cai, Hua
name: Zhang, Jian
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biophysics
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Environmental Sciences not elsewhere classified
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: In this study, a long-range energy alternative planning (LEAP) model was built to evaluate the relative priority of three kinds of policies expected to be implemented for the energy-intensive manufacturing sectors (EIMS) in China to achieve CO2 mitigation and energy conservation targets. These policies encourage (1) the use of more electricity instead of coal; (2) the continuous improvement of energy efficiency; and (3) a shift to other less energy-demanding sectors. The results indicate that the policy of shifting economic activity from the EIMS to other sectors is most helpful for China to achieve its targets of mitigating CO2 emissions and conserving energy. Encouraging the EIMS to use more electricity can help China to achieve a higher proportion of non-fossil-fuel based energy in its overall primary energy consumption. No single policy will allow China to achieve all the targets, emphasizing the need for an integrated policy design that combines all types of policies. Key policy insightsThe policy of encouraging a shift to less energy intensive industries should receive the highest priority in aiming to peak China's energy-related CO2 emissions as early as possible, and lower overall CO2 emissions, coal consumption and primary energy consumption in the long run.Encouraging a shift to electricity should go hand-in-hand with greater energy efficiency, otherwise such a policy cannot help China significantly reduce energy-related CO2 emissions.Encouraging the EIMS to use more electricity should receive the highest priority in helping China achieve a higher proportion of non-fossil-fuel based energy in its overall primary energy consumption. The policy of encouraging a shift to less energy intensive industries should receive the highest priority in aiming to peak China's energy-related CO2 emissions as early as possible, and lower overall CO2 emissions, coal consumption and primary energy consumption in the long run. Encouraging a shift to electricity should go hand-in-hand with greater energy efficiency, otherwise such a policy cannot help China significantly reduce energy-related CO2 emissions. Encouraging the EIMS to use more electricity should receive the highest priority in helping China achieve a higher proportion of non-fossil-fuel based energy in its overall primary energy consumption.
Kaluza-Klein Masses and Couplings: Radiative Corrections to Tree-Level Relations
Creators: name: Bauman, Sky
name: Dienes, Keith R.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The most direct experimental signature of a compactified extra dimension is the appearance of towers of Kaluza-Klein particles obeying specific mass and coupling relations. However, such masses and couplings are subject to radiative corrections. In this paper, using techniques developed in previous work, we investigate the extent to which such radiative corrections deform the expected tree-level relations between Kaluza-Klein masses and couplings. As toy models for our analysis, we investigate a flat five-dimensional scalar λϕ^4 model and a flat five-dimensional Yukawa model involving both scalars and fermions. In each case, we identify the conditions under which the tree-level relations are stable to one-loop order, and the situations in which radiative corrections modify the algebraic forms of these relations. Such corrections to Kaluza-Klein spectra therefore have the potential to distort the apparent geometry of a large extra dimension.
description: 34 pages, LaTeX, 12 figures
Additional file 1 of Coevolution of COVID-19 research and China’s policies
Creators: name: Cheng, Xi
name: Tang, Li
name: Zhou, Maotian
name: Wang, Guoyan
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Cancer
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 1: Appendix S1. Number of issued policies and scientific publications on COVID-19 from 2020 January to 2020 December. Appendix S2. Time series in different time intervals. Appendix S3. Robustness tests. Appendix S4. Heatmap of items with significant variation. Appendix S5. List of policies.
Solanum drymophilum O. E Schulz, Sintenis 2374
Creators: name: Madrid, Anales del Jardín Botánico de
name: 2009
name: Knapp, Sandra
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Solanales
Solanaceae
Solanum
Solanum drymophilum

description: Solanum drymophilum O.E. Schulz in Urb., Symb. Antill. 6: 227. 1909 Type: Puerto Rico, Cayey, Monte Llano, 25 Sep 1885, P.Sintenis 2374 (lectotype, BM [BM000886627], designated here; isolectotypes A [A00242857], CORD, F [F-79600, F-680330], GH [GH00242855], GOET, K [K000438174], M, MO [MO-2792753, MO- 5467986, MO-5468002], NY [NY00111367], P [P00367425, P00367426, P00367427, P00367428, P00367429], S, W). Distribution. Endemic to Puerto Rico, in forests on low hills in the southern part of the island, to 800 m. Representative specimen. Puerto Rico, Mun. Salinas, Proctor 41918 (NY). Many syntypes were cited in the original description of S. drymophilum; Sintenis 2025, Sintenis 2217, Sintenis 2121, Sintenis 2374, Sintenis 2480, Sintenis 5401. Of these, Sintenis 2374 is represented in many herbaria, and is composed a number of sheets in good condition with both flowers and fruit. I have selected the BM sheet as the lectotype (Fig. 3a) because it has all reproductive stages and is in good condition.
description: Published as part of Madrid, Anales del Jardín Botánico de, 2009 & Knapp, Sandra, 2009, Synopsis and lectotypification of Solanum (Solanaceae) species endemic in the West Indies, pp. 65-84 in Anales del Jardín Botánico de Madrid 66 (1) on page 73, DOI: 10.3989/ajbm.2209, http://zenodo.org/record/6326308
Modular Synchronization in Multiversion Databases: Version Control and Concurrency Control
Creators: name: Sengupta, Soumitra
name: Agrawal, Divyakant
Publisher: name: Columbia University
Year: 1989
Subjects: Computer science

description: In this paper we propose a version control mechanism that enhances the modularity and extensibility of multiversion concurrency control algorithms. We decouple the multiversion algorithms into two components: version control and concurrency control. This permits modular development of multiversion protocols, and simplifies the task of proving the correctness of these protocols. An interesting feature of our framework is that the execution of read-only transactions becomes completely independent of the underlying concurrency control implementation. Also, algorithms with the version control mechanism have several advantages over most other multiversion algorithms.
An Optimization to the Two-Phase Commitment Protocol
Creators: name: Duchamp, Dan
Publisher: name: Columbia University
Year: 1989
Subjects: Computer science

description: The basic two-phase distributed commitment protocol as described in [3, pp. 381-382] can be optimized so that a subordinate update site drops its locks more promptly and makes one fewer log force per transaction. The optimization applies as well to the variations of two-phase commitment (i.e., hierarchical, presumed commit. and presumed abort) described in the same paper.
A Critique of the llc Parallel Language and Some Solutions
Creators: name: Mills, Russell C.
Publisher: name: Columbia University
Year: 1989
Subjects: Computer science

description: llc is an extension of C that has been implemented on the Dado2 machine at Columbia University. In an llc program, a single controlling processor invokes operations in parallel in subsets of a set of attached processors, which themselves can invoke parallel operations in remaining processors. llc allocates one element of a parallel object per physical processor. Removing this restriction allows programs to use parallel vectors of arbitrary size without reference to the number of processors in the machine. A program in the resulting language, mpc, contains a single main process. Each mpc process can create sets of attached processes statically or dynamically by declaring arrays of process type, and can invoke operations in parallel in these processes. mpc retains much of llc's power while adding generality, clarity, and portability.
Transaction Management in Collaborative Virtual Environments
Creators: name: Yang, Jack Jingshuang
name: Kaiser, Gail E.
name: Dossick, Stephen E.
Publisher: name: Columbia University
Year: 1999
Subjects: Computer science

description: Collaborative Virtual Environments (CVEs) are groupware systems in which data are represented as objects in a virtual world. CVE supports activities ranging from software design and development to health care management where user operations are long in duration and intensive inhuman interaction. We found the advanced database transaction modeling and management technologies that have developed in the database community very useful in the design and development of CVE. In this paper, we first present a dynamically customizable transaction manager, JPern, then describe how a CVE could benefit from integrating with such a transaction management service. Finally, we describe an instance of CVE that we developed, CHIME, and how to integrate JPern with it.
Additional file 2 of Coevolution of COVID-19 research and China’s policies
Creators: name: Cheng, Xi
name: Tang, Li
name: Zhou, Maotian
name: Wang, Guoyan
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Cancer
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 2: Heatmap of items with significant variation.
Dynamics of interacting transport qubits
Creators: name: Nietner, Christian
name: Schaller, Gernot
name: Pöltl, Christina
name: Brandes, Tobias
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We investigate the electronic transport through two parallel double quantum dots coupled both capacitively and via a perpendicularly aligned charge qubit. The presence of the qubit leads to a modification of the coherent tunnel amplitudes of each double quantum dot. We study the influence of the qubit on the electronic steady state currents through the system, the entanglement between the transport double quantum dots, and the back action on the charge qubit. We use a Born-Markov-Secular quantum master equation for the system. The obtained currents show signatures of the qubit. The stationary qubit state may be tuned and even rendered pure by applying suitable voltages. In the Coulomb diamonds it is also possible to stabilize pure entangled states of the transport double quantum dots.
Navigating the MeldC
Creators: name: Gershen, Howard
name: Hilsdale, Erik
Publisher: name: Columbia University
Year: 1991
Subjects: Computer science

description: This manual covers not only MeldC keywords, syntax, and currently, implemented features, but also a simple (and, one hopes, painless) introduction to some areas of computer science research that spurred creation of the language. This approach was taken so that readers who are not familiar with the peculiarities of operating systems theory, the object-oriented programming paradigm, and network communication might gain a quick overview of those subjects and be able to better appreciate MeldC‘s features. For the sake of style, these overviews are knitted into the discussions of keywords and syntax, so more educated readers be forewarned.
Solanum gundlachii Urb.
Creators: name: Madrid, Anales del Jardín Botánico de
name: 2009
name: Knapp, Sandra
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Solanales
Solanaceae
Solanum
Solanum gundlachii

description: Solanum gundlachii Urb., Symb. Antill. 5: 487. 1908 Type: Cuba. sin. loc., C. Wright 3030 (lectotype, GH [GH00077553], designated here; isolectotypes, BM [BM000886657], MO [MO-2766697], GOET [2 sheets], K [K000196481], MA [MA-607704]).
description: Published as part of Madrid, Anales del Jardín Botánico de, 2009 & Knapp, Sandra, 2009, Synopsis and lectotypification of Solanum (Solanaceae) species endemic in the West Indies, pp. 65-84 in Anales del Jardín Botánico de Madrid 66 (1) on page 74, DOI: 10.3989/ajbm.2209, http://zenodo.org/record/6326308