cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Relative errors for bootstrap approximations of the serial correlation coefficient
Creators: name: Field, Chris
name: Robinson, John
Publisher: name: arXiv
Year: 2013
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics

description: We consider the first serial correlation coefficient under an AR(1) model where errors are not assumed to be Gaussian. In this case it is necessary to consider bootstrap approximations for tests based on the statistic since the distribution of errors is unknown. We obtain saddle-point approximations for tail probabilities of the statistic and its bootstrap version and use these to show that the bootstrap tail probabilities approximate the true values with given relative errors, thus extending the classical results of Daniels [Biometrika 43 (1956) 169-185] for the Gaussian case. The methods require conditioning on the set of odd numbered observations and suggest a conditional bootstrap which we show has similar relative error properties.
description: Published in at http://dx.doi.org/10.1214/13-AOS1111 the Annals of Statistics (http://www.imstat.org/aos/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Mesoscopic fluctuations of conductance of a helical edge contaminated by magnetic impurities
Creators: name: Cheianov, Vadim
name: Glazman, Leonid
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Elastic backscattering of electrons moving along the helical edge is prohibited by time-reversal symmetry (TRS). We demonstrate, however, that an ensemble of magnetic impurities may cause TRS-preserving quasi-elastic backscattering, resulting in interference effects in the conductance. The characteristic energy transferred in a backscattering event is suppressed due to the RKKY interaction of localized spins (the suppression is exponential in the total number of magnetic impurities). We predict the statistics of conductance fluctuations to differ from those in the conventional case of a one-dimensional system with quenched disorder.
description: 5 pages 2 figures
The influence of automated front desk services on customer satisfaction in hotels (quantitative study)
Creators: name: Amstutz, Cecil
name: Chalita, Lydia
name: Stutz, Raoul
name: Meyer, Rahel
name: Pruschak, Gernot
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Business
subject: Hospitality Administration and Management
subject: Food and Beverage Management
subject: Tourism and Travel
subject: Technology and Innovation
subject: automated services
subject: customer satisfaction
subject: hospitality

description: The study aims to develop the influence of automated front desk services on customer satisfaction in hotels. DR1 - Marketing aspects of service automatization
Lefschetz numbers of symplectic involutions on arithmetic groups
Creators: name: Kionke, Steffen
Publisher: name: arXiv
Year: 2013
Subjects: subject: Number Theory (math.NT)
subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 11F75

description: The reduced norm-one group G of a central simple algebra is an inner form of the special linear group, and an involution on the algebra induces an automorphism of G. We study the action of such automorphisms in the cohomology of arithmetic subgroups of G. The main result is a precise formula for Lefschetz numbers of automorphisms induced by involutions of symplectic type. Our approach is based on a careful study of the smoothness properties of group schemes associated with orders in central simple algebras. Along the way we also derive an adelic reformulation of Harder's Gauss-Bonnet Theorem.
description: 35 pages, comments welcome
Why Democrat? A Digital Ethnographic Study of Black Women’s Political Decision-Making Process
Creators: name: Thornton, Maya
Publisher: name: University of Chicago
Year: 2022
Subjects: subject: Black Politics
subject: Black Women Voters
subject: Voting
subject: Voting Decision-making Process
subject: Black Women Politics
subject: Political Science
subject: FOS: Political science

description: The voting decision making process of Black American women is complex. This research study seeks to uncover how Black women feel about the Democrat Party. Are Black women having frequent conversations about politics, and if so, with whom? Why do Black women vote? These issues are important in more deeply understanding Black women as a voting bloc. The study found that the participants have mixed opinions about the Democrat Party, but they have very clear negative opinions about the Republican Party. The study also found that the majority of participants are having conversations about politics often, but it is inconclusive of if these conversations are impacting their voting decisions. Also, the study did find that there are two main reasons that the participants vote: responsibility and obligation. Although this study did uncover many interesting discoveries about Black women voters, there needs to be more research regarding the voting decision making process of Black women.
The performance of a 1.5 stage axial turbine with a non-axisymmetric casing at off-design conditions
Creators: name: Rona, Aldo
name: Kadhim, Hakim Tarteeb Kadhim
name: Obaida, Hayder M. B.
name: Leschke, Katrin
Publisher: name: figshare
Year: 2022
Subjects: subject: 90101 Aerodynamics (excl. Hypersonic Aerodynamics)
subject: FOS: Mechanical engineering
subject: Mechanical Engineering
subject: 90607 Power and Energy Systems Engineering (excl. Renewable Power)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: 91305 Energy Generation, Conversion and Storage Engineering

description: Advances in manufacturing techniques allow greater freedom in designing axial turbine stage passages, including non-axisymmetric end walls. A non-axisymmetric end wall design method for the stator casing is implemented through a novel surface definition, towards mitigating secondary flow losses. The new design is compared with a diffusion design from the literature. Off-design operations are considered. Numerical predictions of a 1.5 stage axial turbine show a reduction in the rotor row total pressure loss of 1.69 % against the benchmark axisymmetric stage from District heating networks are commonly addressed in the literature as one of the most effective solutions for decreasing the RTWH Aachen, which is validated against experiment. Flow analysis gives an insight into the effectiveness of the greenhouse gas emissions from the building sector. These systems require high investments which are returned through the heat new surface definition approach, which is implemented using Alstom Process and Optimization Workbench (APOW) sales. Due to the changed climate conditions and building renovation policies, heat demand in the future could decrease, software at design conditions. The numerical predictions show that performance is retained at off-design conditions.
United Nations Today, 1951 April 4; Ernesto Halffter-Portuguese Rhapsody
Creators: name: (:Unav)
Publisher: name: Columbia University
Year: 2021
Subjects: International relations
Diplomats
Diplomacy

description: Number on the cover: 137; Date recorded: Apr 4 1951. Side A: The United Nations Today; Side B: Ernesto Halffter-Portuguese Rhapsody
Crime and its relationship to the University Medical Center
Creators: name: Shapiro, Paul D
Publisher: name: University of Nevada, Las Vegas
Year: 1997

description: This study explores the relationship between crime and violence and the University Medical Center of Southern Nevada. An investigation was conducted to determine how crime and violence affects the medical center from an economic, security, staff and organizational response perspective; Nursing staff and security officer interviews, supplemented with security department incident reports, suggest a perception problem exists. Nurses interviewed believe a major cost of crime and violence at the medical center is the perceived threat to their personal safety by gang members and patients under the influence of drugs or alcohol. Security officer interviews and data from incident reports suggest the major cost of crime and violence at the hospital center has to do with minor property offenses and not threats or assaults against staff. Additionally, nursing attitudes and compassion levels seem to be negatively affected from treating large numbers of patients whom they feel are deserving of their injuries.
Linear current fluctuations in the power-law region of metallic carbon nanotubes
Creators: name: Talukdar, D.
name: Yotprayoonsak, P.
name: Herranen, O.
name: Ahlskog, M.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study low frequency noise in a non-Ohmic region of metallic single walled and multiwalled carbon nanotubes. The generalized relative noise appear to be independent of applied bias in the power-law regime of the tubes and in agreement with theoretical predictions. Beyond the power law regime the suppression of conductance due to scattering with optical phonons is accompanied by a reduction of relative noise by an order of magnitude. Mobility fluctuations in the tubes due to optical phonon scattering cause the unexpected reduction in the relative noise magnitude which is modeled using a modified mobility fluctuation picture. The findings have important implications for metallic nanotubes being used as interconnects in nanoelectronic devices.
2017-Allali-EtAl-Mathematical Modeling of the Adaptive Immune Responses in the Early Stage of the HBV Infection
Creators: name: Allali, Karam
Publisher: name: QUBES Educational Resources
Year: 2023

description: The aim of this paper is to study the early stage of HBV infection and impact delay in the infection process on the adaptive immune response, which includes cytotoxic T-lymphocytes and antibodies.
The influence of automated front desk services on customer satisfaction in hotels (qualitative study)
Creators: name: Amstutz, Cecil
name: Stutz, Raoul
name: Meyer, Rahel
name: Pruschak, Gernot
name: Chalita, Lydia
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Business
subject: Hospitality Administration and Management
subject: Food and Beverage Management
subject: Tourism and Travel
subject: Technology and Innovation
subject: automated services
subject: customer satisfaction
subject: hospitality

description: The study aims to develop the influence of automated front desk services on customer satisfaction in hotels. DR1 - Marketing aspects of service automatization
Shadow Detection: A Survey and Comparative Evaluation of Recent Methods
Creators: name: Sanin, Andres
name: Sanderson, Conrad
name: Lovell, Brian C.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences
subject: I.4.6; I.4.8; I.5.4; I.2.10

description: This paper presents a survey and a comparative evaluation of recent techniques for moving cast shadow detection. We identify shadow removal as a critical step for improving object detection and tracking. The survey covers methods published during the last decade, and places them in a feature-based taxonomy comprised of four categories: chromacity, physical, geometry and textures. A selection of prominent methods across the categories is compared in terms of quantitative performance measures (shadow detection and discrimination rates, colour desaturation) as well as qualitative observations. Furthermore, we propose the use of tracking performance as an unbiased approach for determining the practical usefulness of shadow detection methods. The evaluation indicates that all shadow detection approaches make different contributions and all have individual strength and weaknesses. Out of the selected methods, the geometry-based technique has strict assumptions and is not generalisable to various environments, but it is a straightforward choice when the objects of interest are easy to model and their shadows have different orientation. The chromacity based method is the fastest to implement and run, but it is sensitive to noise and less effective in low saturated scenes. The physical method improves upon the accuracy of the chromacity method by adapting to local shadow models, but fails when the spectral properties of the objects are similar to that of the background. The small-region texture based method is especially robust for pixels whose neighbourhood is textured, but may take longer to implement and is the most computationally expensive. The large-region texture based method produces the most accurate results, but has a significant computational load due to its multiple processing steps.
Divisibility of partial zeta function values at zero for degree 2p extensions
Creators: name: Smith, Barry
Publisher: name: arXiv
Year: 2013
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11R42

description: Let K/k be an Abelian extension of number fields, S be a set of places of k, and p be an odd prime number. We continue an earlier investigation of the author into the values at zero of the S-imprimitive partial zeta functions of K/k. An earlier result provides, under the assumption that the p-power roots of unity in K are cohomologically trivial, a criterion for the values to have larger than expected p-valuation. The present paper provides such a criterion for a special class of degree 2p extensions for which the p-power roots of unity are not cohomologically trivial. For such extensions, new sufficient conditions are also given for the p-local Brumer-Stark conjecture for K/k and for Leopoldt's conjecture on the number of independent Zp-extensions of k.
description: 26 pages
United Nations Today, 1951 April 18; Branco, Alentejana Suite #1, flub at end
Creators: name: (:Unav)
Publisher: name: Columbia University
Year: 2021
Subjects: Korean War, 1950-1953
International relations
Peace

description: Number on the cover: 129; Date recorded: Apr 18 1951. Side A: The United Nations Today; Side B: Alentejana Suite #1 flub at end
2017-Agmour-EtAl-Optimization of the Two Fishermen's Profits Exploiting Three Competing Species Where Prices Depend on Harvest
Creators: name: Agmour, Imane
Publisher: name: QUBES Educational Resources
Year: 2023

description: The main purpose of this work is to define the fishing effort that maximizes the profit of each fisherman, but all of them have to respect two constraints: the first one is the sustainable management of the resources and the second one is preservation.
title: Design and Development of an MPH Program for Online Delivery
Creators: name: Hawks, Steven R
name: Gast, Julie A
Publisher: name: Utah State University
Year: 2019

description: The Master of Public Health (MPH) degree is growing in popularity and is now delivered fully online by a large number of highly respected, fully accredited universities. This paper offers an overview of program design and development strategies that promote successful online delivery of MPH programs. Design and development challenges are discussed in terms of new accreditation standards, student demand, faculty development, user needs, course content, and plan of study. The development of an online MPH program at Utah State University with a concentration in health education and promotion is used to highlight and consider various aspects of this important but challenging process.
Electrical resistance of the low dimensional critical branching random walk
Creators: name: Járai, Antal A.
name: Nachmias, Asaf
Publisher: name: arXiv
Year: 2013
Subjects: subject: Probability (math.PR)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: We show that the electrical resistance between the origin and generation n of the incipient infinite oriented branching random walk in dimensions d<6 is O(n^{1-alpha}) for some universal constant alpha>0. This answers a question of Barlow, Járai, Kumagai and Slade [2].
description: 44 pages, 3 figures
United Nations Today, 1951 April 17; Santos: 2nd Overture Portuguese Symphony Orchestra
Creators: name: (:Unav)
Publisher: name: Columbia University
Year: 2021
Subjects: International relations
Diplomats
Diplomacy
Arab-Israeli conflict

description: Number on the cover: 138; Date recorded: Apr 17 1951. Side A: The United Nations Today; Side B: Santos: 2nd Overture Portuguese symphony orchestra
Characterization of a sample of intermediate-type AGN. I. Spectroscopic properties and serendipitous discovery of new Dual AGN
Creators: name: Benítez, Erika
name: Méndez-Abreu, Jairo
name: Fuentes-Carrera, Isaura
name: Cruz-González, Irene
name: Martínez, Benoni
name: López-Martin, Luis
name: Jiménez-Bailón, Elena
name: León-Tavares, Jonathan
name: Chavushyan, Vahram H.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: A sample of 10 nearby intermediate-type active galactic nuclei (AGN) drawn from the Sloan Digital Sky Survey (SDSS-DR7) is presented. The aim of this work is to provide estimations of the black hole mass for the sample galaxies from the dynamics of the broad line region. For this purpose, a detailed spectroscopic analysis of the objects was done. Using BPT diagnostic diagrams we have carefully classified the objects as true intermediate-type AGN and found that 80%$^{+7.2%}_{-17.3%}$ are composite AGN. The black hole mass estimated for the sample is within 6.54$\pm$0.16\,$
description: 37 pages, 14 figures, 6 tables, accepted for ApJ, Nov 26, 2012 Subjects: Cosmology and Extragalactic Astrophysics (astro-ph.CO)
title: Semester in the Parks: Engaging Students with Common Intellectual Experiences
Creators: name: Grant, Jacqualine B
name: MacLean, John S
Publisher: name: Utah State University
Year: 2019

description: High-impact educational practices (HIP) such as Common Intellectual Experiences (CIE) enhance student engagement and positively affect student learning. At Southern Utah University we created a new HIP-focused program to enrich our students and faculty: Semester in the Parks (SIP). Students lived outside of Bryce Canyon National Park in the gateway community of Bryce Canyon City while they worked for Ruby’s Inn Resort and learned about the national parks. Faculty commuted to this off campus venue and redesigned their courses to incorporate national parks thinking and experiential learning opportunities. The CIE of a national parks-focused semester enhanced student engagement and developed the pedagogical ability of faculty. Program assessment revealed positive gains in student and faculty self-report measures but also identified the need for other assessment tools and comparison groups. We conclude that CIE, even those set in nontraditional classroom locations, have great potential to enhance student growth and faculty professional development.
title: Approaches to Evaluating Blended Courses
Creators: name: Savoie-Roskos, Mateja R.
name: Bevan, Stacy
name: Charlton, Rebecca
name: Israelsen Graf, Marlene
Publisher: name: Utah State University
Year: 2019

description: Blended learning, sometimes referred to as hybrid or flexible learning, is becoming increasingly common in higher education. Unfortunately, many instructors receive limited training on how to effectively evaluate blended courses, and as a result, commonly rely solely on end-of-semester evaluations. Due to the more complex nature of how blended courses are designed and implemented, instructors should consider utilizing a variety of course evaluation methods. This article includes researched-based approaches for evaluating blended courses based on feedback from students, peers, and instructional designers. This combination of formalized feedback is offered as one strategy to ensure instructors achieve course learning objectives and meet student learning needs. Most importantly, feedback gathered through these various evaluation methods can be used for continued course improvement.
title: Examining the Experience of Teen-to-Teen Crisis Line Work for Adolescent Volunteers: A Pilot Study
Creators: name: Kalgren, Taylor
name: Glenn, Catherine R.
name: Kandlur, Raksha
name: Allison, Kelsie
name: Duan, Annie
name: Karp, Cheryl
name: Leets, Morgan
name: Dutta, Sandipan
name: Gould, Madelyn
Publisher: name: Old Dominion University Libraries
Year: 2023

description: Suicidal thoughts and behaviors are high and increasing among youth. Crisis lines are one of the oldest downstream approaches for suicide prevention, which have demonstrated effectiveness for adults and preliminary effectiveness for youth. Teen-to-teen (t2t) crisis lines are a unique resource where adolescent volunteers help their similarly aged peers (through texts, chats, calls, and emails). However, no research to date has examined the impacts of t2t crisis line volunteering on the youth. The goal of this pilot study is to begin to evaluate the experience of t2t crisis lines for the youth volunteers. Adolescent (n=20, ages 15-20) volunteers were recruited from two of the largest crisis lines in the U.S. – Teen Line and YouthLine. Enrolled volunteers were administered surveys assessing positive/helpful experiences, negative/unhelpful experiences, and motivations for joining the t2t crisis line. Volunteers were assessed up to five times over the course of one year; once at baseline and then every three months for up to one year (baseline, 3-month follow-up, 6-month follow-up, 9-month follow-up, 12-month/1-year follow-up). Direct content analysis was used to examine the experiences and motivations of volunteering on the crisis line. Preliminary results indicate that all volunteers reported some positive aspects of the t2t line experience, and many reported some negative aspects as well.
Doctoral thesis recital (percussion)
Creators: name: Favis, Francis
Publisher: name: The University of Texas at Austin
Year: 2023
Subjects: Percussion music
Percussion with instrumental ensemble
Vibraphone music
Chamber music

description: IDelayed / Nas Snoie -- Secret dialogues / Wood -- Cymatics / Kokoras -- VOID / Mathieu -- Six instructions for vibraphone / Martinez
United Nations Today, 1950 May 6; M.G.; Folk Festival 1950
Creators: name: (:Unav)
Publisher: name: Columbia University
Year: 2021
Subjects: International relations
Peace
Cold War (1945-1989)

description: Number on the cover: 127; Date recorded: May 5 1950. Side A: The United Nations Today; WFDR 5-6-50 M.G.; Side B: Folk Festival 1950; features unidentified performances of country and folk standards
title: From Outside to Online: Unanticipated Directions for Utah Master Naturalist
Creators: name: Larese-Casanova, Mark
name: Perkins, Jennifer
Publisher: name: Utah State University
Year: 2019

description: Utah Master Naturalist is an award-winning Utah State University Extension program that promotes stewardship of Utah’s natural world through place-based, experiential field courses across the state. Although successful in eliciting positive short- and long-term impacts, Utah Master Naturalist’s traditional five-day field courses were unavailable to many students and instructors due to constraints of time and location. This case study examines Utah Master Naturalist’s first hybrid course, Desert Explorations, and describes the positive results from our pilot study, how a hybrid course solves availability issues, and how field-based learning theories can be adapted to online education through careful design.
United Nations Today, 1950 May 2; #1 Jam Session 1950 LP Outside-in some flubs
Creators: name: (:Unav)
Publisher: name: Columbia University
Year: 2021
Subjects: International relations
Diplomats
Diplomacy

description: Number on the cover: 126; Date recorded: May 2 1950. Side A: The United Nations Today; WFDR 5-3-50; Side B: #1 Jam Session 1950 LP Outside-in some flubs; features unidentified performances of country and folk standards such as “Sixteen Tons”, “Goodnight Irene”, and “Hallelujah I’m a Bum”
Kinematic Mappings for Cayley-Klein Geometries via Clifford Algebras
Creators: name: Klawitter, Daniel
name: Hagemann, Markus
Publisher: name: arXiv
Year: 2013
Subjects: subject: Metric Geometry (math.MG)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 15A66, 51J15, 51M15, 51N25

description: This paper unifies the concept of kinematic mappings by using geometric algebras. We present a method for constructing kinematic mappings for certain Cayley-Klein geometries. These geometries are described in an algebraic setting by the homogeneous Clifford algebra model. Displacements correspond to Spin group elements. After that Spin group elements are mapped to a kinematic image space. Especially for the group of planar Euclidean displacements SE(2) the result is the kinematic mapping of Blaschke and Grünwald. For the group of spatial Euclidean displacements SE(3) the result is Study's mapping. Furthermore, we classify kinematic mappings for Cayley-Klein spaces of dimension 2 and 3.
title: Five Instructional Practices to Optimize Peer Feedback Activities among Adult Learners
Creators: name: Rodriguez, Regina C.
name: Sharp, Laurie A.
Publisher: name: Utah State University
Year: 2019

description: There is a significant need for adult learners to improve their writing proficiency within a variety of contexts. Thus, postsecondary instructors require effective research-based teaching strategies to support adult learners hone their writing skills. While studies on peer feedback abound, little has been done to date to consider ways in which postsecondary instructors design quality peer feedback activities within their courses. The purpose of this article was to describe five instructional practices to optimize peer feedback activities among adult learners.
title: Promoting Second Language Socialization Through Course Projects
Creators: name: Shvidko, Elena
Publisher: name: Utah State University
Year: 2019

description: For many international students who are second language (L2) learners, successful integration in the new academic and socio-cultural environment is inseparable from their language socialization. Classroom teachers are well positioned to support students’ adaptation, and through course materials, projects, and activities they can encourage students’ successful socialization and promote their learning. Based on the principles of L2 socialization theory, this article describes how the projects of the course taught in the Intensive English Language Institute aimed at achieving two objectives: 1) foster students’ cross-cultural interaction and participation in various activities in- and outside the classroom, and 2) increase students’ opportunities to communicate in the target language, thus allowing them to develop more advanced linguistic forms.
Global rigidity of higher rank Anosov algebraic actions
Creators: name: Hertz, Federico Rodriguez
name: Wang, Zhiren
Publisher: name: arXiv
Year: 2013
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 37C15, 37C85, 37D20, 53C24

description: We show that all $C^\infty$ Anosov $Z^r$-actions on tori and nilmanifolds without rank-one factor actions are, up to $C^\infty$ conjugacy, actions by automorphisms.
description: 44 pages
2016-Spayd-Puckett- A Three-Fold Approach to the Heat Equation - Data Modeling Numerics
Creators: name: Spayd, Kimberly
name: Spayd, James
Publisher: name: QUBES Educational Resources
Year: 2023

description: This article describes our modeling approach to teaching the one-dimensional heat (diffusion) equation in a one-semester undergraduate partial differential equations course.
title: Design Case: Implementing Gamification with ARCS to Engage Digital Natives
Creators: name: Thurston, Travis N
Publisher: name: Utah State University
Year: 2019

description: Gamification is an emerging topic for both student engagement and motivation in higher education online courses as digital natives become post-secondary students. This design case considers the design, development, and implementation of a higher education online course using the ARCS model for motivational design combined with the four-phase model of interest development as a framework for gamification implementation. Through “designerly ways of knowing,” this design case explores engaging digital native students with a gamified online course design, which will be of interest to instructional designers and instructors in higher education. Overall, students in the pilot course responded favorably to the incorporation of gamification and perceived it to have a positive impact on the overall learning experience. Future iterations can improve upon this approach to plan more targeted gamification strategies.
United Nations Today, 1950 May 1; WFDR 5-2-50; #1 Jam Session 1950 Pour Cut
Creators: name: (:Unav)
Publisher: name: Columbia University
Year: 2021
Subjects: International relations
Diplomats
Diplomacy

description: Number on the cover: 136; Date recorded: May 1 1950. Side A: The United Nations Today; WFDR 5-2-50; Side B: #1 Jam Session 1950 Pour Cut, features unidentified performances of country and folk standards
title: Engagement Across the Miles: Using Videoconferencing With Small Groups in Synchronous Distance Courses
Creators: name: Piotrowski, Amy
name: Robertson, Marla
Publisher: name: Utah State University
Year: 2019

description: This article presents suggestions for conducting small group work in synchronous distance courses taught using Interactive Videoconferencing (IVC) systems. One challenge of teaching over an IVC system is getting students involved in class activities. The authors share how they have used a videoconferencing tool to break up IVC classes into small groups for discussion activities and get peer feedback on written work. These activities engage students in applying what they are learning and constructing knowledge through discussion with their peers.
QADRIYATLAR SILSILASI
Creators: name: Abduxalilova, Sevaraxon
name: Tilovxo'jayeva, Asila
name: Yusupova, Gulruxsor
Publisher: name: Zenodo
Year: 2023

description: Qadriyatlar deganda biz narsa va voqealar, jamiyat moddiy va ma'naviy boyliklarning ahamiyatini ifodalash uchun qo'llaniladigan tushuncha. Milliy-ma'naviy qadriyatlar – "milliylik" "ma'naviyat" va "qadriyat" tushunchalari kesishgan nuqtada jamlashgan ijtimoiy xodisalarni o'z ichiga oladi. Deylik ayrim millatlar tarixiy taraqqiyot davomida ishlab chiqarishning ma'lum sahasida yuksak layoqatni shakllantirgan tarbiya, tafakkurning ta'siri yo'nalishiga e'tibor beradi. Milliy xarakterida, hayotga, ijtimoiy hodisalarga munosabatida o'ziga xosliklari bor. Axloqiy, huquqiy, siyosiy madaniyat sohalaridagi xattiharakatlarda ham ma'lum ijobiy tafovutlar uchraydi. Bunga o'xshash rangbaranglik nafaqat boyligimiz, balki taraqqiyotimiz sur'atini tezlashtiruvchi omil bo'lishi mumkin.
In-Medium Similarity Renormalization Group with Chiral Two- Plus Three-Nucleon Interactions
Creators: name: Hergert, H.
name: Bogner, S. K.
name: Binder, S.
name: Calci, A.
name: Langhammer, J.
name: Roth, R.
name: Schwenk, A.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We use the recently proposed In-Medium Similarity Renormalization Group (IM-SRG) to carry out a systematic study of closed-shell nuclei up to $\nuc{Ni}{56}$, based on chiral two- plus three-nucleon interactions. We analyze the capabilities of the IM-SRG by comparing our results for the ground-state energy to Coupled Cluster calculations, as well as to quasi-exact results from the Importance-Truncated No-Core Shell Model. Using chiral two- plus three-nucleon Hamiltonians whose resolution scales are lowered by free-space SRG evolution, we obtain good agreement with experimental binding energies in $\nuc{He}{4}$ and the closed-shell oxygen isotopes, while the calcium and nickel isotopes are somewhat overbound.
description: 11 pages, 7 figures, submitted to Phys. Rev. C
Investigation of Heat Conductivity in Relativistic Systems using a Partonic Cascade
Creators: name: Greif, M.
name: Reining, F.
name: Bouras, I.
name: Denicol, G. S.
name: Xu, Z.
name: Greiner, C.
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Motivated by the classical picture of heat flow we construct a stationary temperature gradient in a relativistic microscopic transport model. Employing the relativistic Navier-Stokes ansatz we extract the heat conductivity κ for a massless Boltzmann gas using only binary collisions with isotropic cross sections. We compare the numerical results to analytical expressions from different theories and discuss the final results. The directly extracted value for the heat conductivity can be referred to as a literature reference within the numerical uncertainties.
description: 8 pages, 5 figures
United Nations Today, 1950 May 22; Jam Session 1950 #2 In-out
Creators: name: (:Unav)
Publisher: name: Columbia University
Year: 2021
Subjects: International relations
Diplomats
Diplomacy
Disarmament

description: Number on the cover: 140; Date recorded: May 18 1950. Side A: The United Nations Today May 22 1950; Side B: Jam Session 1950 #2 In-out
The influence of automated front desk services on customer satisfaction in hotels (Qualitative Study)
Creators: name: Amstutz, Cecil
name: Pruschak, Gernot
name: Meyer, Rahel
name: Stutz, Raoul
name: Chalita, Lydia
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Business
subject: Hospitality Administration and Management
subject: Food and Beverage Management
subject: Tourism and Travel
subject: Technology and Innovation
subject: automated services
subject: customer satisfaction
subject: hospitality

description: The study aims to develop the influence of automated front desk services on customer satisfaction in hotels. DR1 - Marketing aspects of service automatization
Computational methods for the dynamics of the nonlinear Schrodinger/Gross-Pitaevskii equations
Creators: name: Antoine, Xavier
name: Bao, Weizhu
name: Besse, Christophe
Publisher: name: arXiv
Year: 2013
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 35Q41, 65M06, 65M12, 65M70, 65Z05, 78M20, 78M22, 81Q05, 81Q20, 81V45

description: In this paper, we begin with the nonlinear Schrodinger/Gross-Pitaevskii equation (NLSE/GPE) for modeling Bose-Einstein condensation (BEC) and nonlinear optics as well as other applications, and discuss their dynamical properties ranging from time reversible, time transverse invariant, mass and energy conservation, dispersion relation to soliton solutions. Then, we review and compare different numerical methods for solving the NLSE/GPE including finite difference time domain methods and time-splitting spectral method, and discuss different absorbing boundary conditions. In addition, these numerical methods are extended to the NLSE/GPE with damping terms and/or an angular momentum rotation term as well as coupled NLSEs/GPEs. Finally, applications to simulate a quantized vortex lattice dynamics in a rotating BEC are reported.
description: 23 pages 1 figure
Performance analysis of unsupervised feature selection methods
Creators: name: Parveen, A. Nisthana
name: Inbarani, H. Hannah
name: Sathishkumar, E. N.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Feature selection (FS) is a process which attempts to select more informative features. In some cases, too many redundant or irrelevant features may overpower main features for classification. Feature selection can remedy this problem and therefore improve the prediction accuracy and reduce the computational overhead of classification algorithms. The main aim of feature selection is to determine a minimal feature subset from a problem domain while retaining a suitably high accuracy in representing the original features. In this paper, Principal Component Analysis (PCA), Rough PCA, Unsupervised Quick Reduct (USQR) algorithm and Empirical Distribution Ranking (EDR) approaches are applied to discover discriminative features that will be the most adequate ones for classification. Efficiency of the approaches is evaluated using standard classification metrics.
description: 7 pages, Conference Publications
United Nations Today, 1950 April 24; Reel Misc In-Out
Creators: name: (:Unav)
Publisher: name: Columbia University
Year: 2021
Subjects: International relations
Peace
Cold War (1945-1989)

description: Number on the cover: 1609A. On cover Side A: The United Nations Today; Side B: Reel Misc In-Out,various folk/banjo music recordings including “Dark as a Dungeon” and “Sixteen Tons”. On disc Side A reads: Ht WFDR-4-35-50
Effect of prime vendor on customer satisfaction in Nellis Air Force Base military dining facilities
Creators: name: Wendling, David John
Publisher: name: University of Nevada, Las Vegas
Year: 1997

description: The purpose of this study was to analyze the effects a change in the food delivery system at Nellis Air Force Base's military dining facilities had on customer satisfaction. 952 customer comment forms from Nellis Air Force Base's military dining facilities were collected and analyzed. First, ratings for the food variety, food taste, and food temperature categories were collected and coded. This data was then statistically analyzed using frequency analysis, descriptive analysis, cross tabulation, and a chi-square test to determine if ratings in these areas had changed due to the change in food delivery system; Next, written remarks from all 952 comment forms were collected to test whether a change in the number of written remarks had occurred due to the change in food delivery system. Content analysis on this information was done using a hybrid between the contextual and a priori approaches to content analysis. Results of the statistical analysis showed that "Excellent" ratings on all variables increased by at least 10 percent after the change in food delivery system. Results of the content analysis showed that the number of negative written comments made concerning food availability and overall food service decreased by at least 10 percent after the change in food delivery system.
Three-Dimensional General-Relativistic Hydrodynamic Simulations of Binary Neutron Star Coalescence and Stellar Collapse with Multipatch Grids
Creators: name: Reisswig, C.
name: Haas, R.
name: Ott, C. D.
name: Abdikamalov, E.
name: Moesta, P.
name: Pollney, D.
name: Schnetter, E.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We present a new three-dimensional general-relativistic hydrodynamic evolution scheme coupled to dynamical spacetime evolutions which is capable of efficiently simulating stellar collapse, isolated neutron stars, black hole formation, and binary neutron star coalescence. We make use of a set of adapted curvi-linear grids (multipatches) coupled with flux-conservative cell-centered adaptive mesh refinement. This allows us to significantly enlarge our computational domains while still maintaining high resolution in the gravitational-wave extraction zone, the exterior layers of a star, or the region of mass ejection in merging neutron stars. The fluid is evolved with a high-resolution shock capturing finite volume scheme, while the spacetime geometry is evolved using fourth-order finite differences. We employ a multi-rate Runge-Kutta time integration scheme for efficiency, evolving the fluid with second-order and the spacetime geometry with fourth-order integration, respectively. We validate our code by a number of benchmark problems: a rotating stellar collapse model, an excited neutron star, neutron star collapse to a black hole, and binary neutron star coalescence. The test problems, especially the latter, greatly benefit from higher resolution in the gravitational-wave extraction zone, causally disconnected outer boundaries, and application of Cauchy-characteristic gravitational-wave extraction. We show that we are able to extract convergent gravitational-wave modes up to (l,m)=(6,6). This study paves the way for more realistic and detailed studies of compact objects and stellar collapse in full three dimensions and in large computational domains. The multipatch infrastructure and the improvements to mesh refinement and hydrodynamics codes discussed in this paper will be made available as part of the open-source Einstein Toolkit.
description: 36 pages, 26 figures
Invitation to Learning from Dr. Frank Aydelotte: Journals of GEO.Fox Outside-IIV; United Nations Today, 1950 January 23
Creators: name: (:Unav)
Publisher: name: Columbia University
Year: 2021
Subjects: Quakers
Quakers--Education
Theology

description: Side A: 2/26/50 Invitation to Learning from Dr. Frank Adylotte: Journals of GEO.Fox Outside-IIV; Side B: United Nations Review: 1-23-50: 0-1-5 ORTHO DR
Supplementary document for Imaging operator in Indirect Imaging Correlography - 6408613.pdf
Creators: name: Balaji, Muralidhar Madabhushi
name: Liu, Jiapeng
name: Ahsanullah, Danyal
name: Rangarajan, Prasanna
Publisher: name: Optica Publishing Group
Year: 2023
Subjects: Uncategorized

description: Supplementary document
Section on the special year for mathematics of planet earth (MPE 2013)
Creators: name: Gneiting, Tilmann
Publisher: name: arXiv
Year: 2013
Subjects: subject: Applications (stat.AP)
subject: FOS: Computer and information sciences

description: Dozens of research centers, foundations, international organizations and scientific societies, including the Institute of Mathematical Statistics, have joined forces to celebrate 2013 as a special year for the Mathematics of Planet Earth. In its five-year history, the Annals of Applied Statistics has been publishing cutting edge research in this area, including geophysical, biological and socio-economic aspects of planet Earth, with the special section on statistics in the atmospheric sciences edited by Fuentes, Guttorp and Stein (2008) and the discussion paper by McShane and Wyner (2011) on paleoclimate reconstructions [Stein (2011)] having been highlights.
description: Published in at http://dx.doi.org/10.1214/12-AOAS606 the Annals of Applied Statistics (http://www.imstat.org/aoas/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Removing the Foreground and Background of Chest X-rays using a Generative Adversarial Network (GAN)
Creators: name: Li, Frank
name: Lin, Ching-Long
Publisher: name: figshare
Year: 2022
Subjects: subject: 110320 Radiology and Organ Imaging
subject: FOS: Clinical medicine
subject: Artificial Intelligence and Image Processing
subject: FOS: Computer and information sciences

description: An oral Presentation for BMES Annual Meeting on October 12-15, 2022, in San Antonio, TX.  Saturday, October 15 2:30 PM - 4:00 PM Session: 7, Room: 006 B Track: Biomedical Imaging and Instrumentation-Imaging System Development & Emerging Imaging Technologies Session Chair(s): Ahmet Coskun
Inverse design of simple pairwise interactions with low-coordinated 3D lattice ground states
Creators: name: Jain, Avni
name: Errington, Jeffrey R.
name: Truskett, Thomas M.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We demonstrate that inverse statistical mechanical optimization can be used to discover simple (e.g., short-range, isotropic, and convex-repulsive) pairwise interparticle potentials with three-dimensional diamond or simple cubic lattice ground states over a wide range of densities.
description: 5 pages, 4 figures
Canadian Film board "The Long Walk"- Refugees from Pusan, Korea
Creators: name: (:Unav)
Publisher: name: Columbia University
Year: 2021
Subjects: Korean War, 1950-1953
Agriculture and state
Postwar reconstruction
Military participation--Canadian

description: Two discs. On the spot MFB #3081; BBC 43081; Recordings of National Film Board of Canada program “On the Spot” hosted by Fred Davis
Vacancy diffusion in colloidal crystals as determined by dynamical density-functional theory and the phase-field-crystal model
Creators: name: van Teeffelen, Sven
name: Achim, Cristian Vasile
name: Löwen, Hartmut
Publisher: name: arXiv
Year: 2013
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: A two-dimensional crystal of repulsive dipolar particles is studied in the vicinity of its melting transition by using Brownian dynamics computer simulation, dynamical density functional theory and phase-field crystal modelling. A vacancy is created by taking out a particle from an equilibrated crystal and the relaxation dynamics of the vacancy is followed by monitoring the time-dependent one-particle density. We find that the vacancy is quickly filled up by diffusive hopping of neighbouring particles towards the vacancy center. We examine the temperature dependence of the diffusion constant and find that it decreases with decreasing temperature in the simulations. This trend is reproduced by the dynamical density functional theory. Conversely, the phase field crystal calculations predict the opposite trend. Therefore, the phase-field model needs a temperature-dependent expression for the mobility to predict trends correctly.
description: Accepted for publication as a Regular Article in Physical Review E
Thermal and Chemical Evolution of Collapsing Filaments
Creators: name: Gray, William J
name: Scannapieco, Evan
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Intergalactic filaments form the foundation of the cosmic web that connect galaxies together, and provide an important reservoir of gas for galaxy growth and accretion. Here we present very high resolution two-dimensional simulations of the thermal and chemical evolution of such filaments, making use of a 32 species chemistry network that tracks the evolution of key molecules formed from hydrogen, oxygen, and carbon. We study the evolution of filaments over a wide range of parameters including the initial density, initial temperature, strength of the dissociating UV background, and metallicity. In low-redshift, $Z \approx 0.1 Z_\odot $ filaments, the evolution is determined completely by the initial cooling time. If this is sufficiently short, the center of the filament always collapses to form dense, cold core containing a substantial fraction of molecules. In high-redshift, $Z=10^{-3} Z_\odot$ filaments, the collapse proceeds much more slowly. This is due mostly to the lower initial temperatures, which leads to a much more modest increase in density before the atomic cooling limit is reached, making subsequent molecular cooling much less efficient. Finally, we study how the gravitational potential from a nearby dwarf galaxy affects the collapse of the filament and compare this to NGC 5253, a nearby starbusting dwarf galaxy thought to be fueled by the accretion of filament gas. In contrast to our fiducial case, a substantial density peak forms at the center of the potential. This peak evolves faster than the rest of the filament due to the increased rate at which chemical species form and cooling occur. We find that we achieve similar accretion rates as NGC 5253 but our two-dimensional simulations do not recover the formation of the giant molecular clouds that are seen in radio observations.
description: 17 pages, 9 figures. ApJ in press