cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Learning To Grasp
Creators: Varley, Jacob Joseph
Publisher: name: Columbia University
Year: 2018
Subjects: Robotics
Computer science
Heuristic programming
Robotics--Programming

description: Providing robots with the ability to grasp objects has, despite decades of research, remained a challenging problem.  The problem is approachable in constrained environments where there is ample prior knowledge of the scene and objects that will be manipulated.  The challenge is in building systems that scale beyond specific situational instances and gracefully operate in novel conditions. In the past, heuristic and simple rule based strategies were used to accomplish tasks such as scene segmentation or reasoning about occlusion. These heuristic strategies work in constrained environments where a roboticist can make simplifying assumptions about everything from the geometries of the objects to be interacted with, level of clutter, camera position, lighting, and a myriad of other relevant variables. With these assumptions in place, it becomes tractable for a roboticist to hardcode desired behaviour and build a robotic system capable of completing repetitive tasks. These hardcoded behaviours will quickly fail if the assumptions about the environment are invalidated. In this thesis we will demonstrate how a robust grasping system can be built that is capable of operating under a more variable set of conditions without requiring significant engineering of behavior by a roboticist.
      This robustness is enabled by a new found ability to empower novel machine learning techniques with massive amounts of synthetic training data. The ability of simulators to create realistic sensory data enables the generation of massive corpora of labeled training data for various grasping related tasks.  The use of simulation allows for the creation of a wide variety of environments and experiences exposing the robotic system to a large number of scenarios before ever operating in the real world. This thesis demonstrates that it is now possible to build systems that work in the real world trained using deep learning on synthetic data.  The sheer volume of data that can be produced via simulation enables the use of powerful deep learning techniques whose performance scales with the amount of data available. This thesis will explore how deep learning and other techniques can be used to encode these massive datasets for efficient runtime use. The ability to train and test on synthetic data allows for quick iterative development of new perception, planning and grasp execution algorithms that work in a large number of environments. Creative applications of machine learning and massive synthetic datasets are allowing robotic systems to learn skills, and move beyond repetitive hardcoded tasks.
Learning about Ability and the Effects of Pay Incentives
Creators: Bojilov, Raicho
Publisher: name: Columbia University
Year: 2011
Subjects: Economics
Labor economics
Commerce

description: This dissertation studies how pay incentives interact with learning about ability and labor turnover to shape the employment dynamics at a US call center. The first chapter provides an introduction to my work and summarizes my main results. The second chapter offers a descriptive analysis of the work environment, the production process, and the effects of pay incentives. The third chapter introduces learning about ability and turnover in a model of effort choice under moral hazard. This model is then used to evaluate the effects of changing pay incentives at the call center. The effect of incentives on effort is significant but small. The results indicate that turnover is a major channel through which incentives affect average performance. Simulating the estimated model shows that neglecting learning and turnover makes estimates of the effect of incentives on effort twice as big as they should be. The fourth chapter investigates how considerations about the quality mix shape pay policy and profits. Building on the estimation approach in chapter 3, the fourth chapter presents a two-step procedure that is used to estimate a fully structural version of the model introduced in the previous chapter. The results provide the basis for counterfactual policy analysis. The optimal policy, in the class of linear contracts in output, not only induces employees to exert effort but also acts as a selection mechanism that helps the firm build a workforce of high match quality over time. The results show that turnover is the major channel through which pay incentives affect profits.
A universal construction for moduli spaces of decorated vector bundles over curves
Creators: name: Schmitt, Alexander
Publisher: name: arXiv
Year: 2000
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14H60 (14D20)

description: Let $X$ be a smooth projective curve over the complex numbers. To every representation $ρ\colon \GL(r)\lra \GL(V)$ of the complex general linear group on the finite dimensional complex vector space $V$ which satisfies the assumption that there be an integer $α$ with $ρ(z \id_{\C^r})=z^α\id_V$ for all $z\in\C^*$ we associate the problem of classifying triples $(E,L,ϕ)$ where $E$ is a vector bundle of rank $r$ on $X$, $L$ is a line bundle on $X$, and $ϕ\colon E_ρ\lra L$ is a non trivial homomorphism. Here, $E_ρ$ is the vector bundle of rank $\dim V$ associated to $E$ via $ρ$. If we take, for example, the standard representation of $\GL(r)$ on $\C^r$ we have to classify triples $(E,L,ϕ)$ consisting of $E$ as before and a non-zero homomorphism $ϕ\colon E\lra L$ which includes the so-called Bradlow pairs. For the representation of $\GL(r)$ on $S^2\C^3$ we find the conic bundles of Gomez and Sols. In the present paper, we will formulate a general semistability concept for the above triples which depends on a rational parameter $δ$ and establish the existence of moduli spaces of $δ$-(semi)stable triples of fixed topological type. The notion of semistability mimics the Hilbert-Mumford criterion for $SL(r)$ which is the main reason that such a general approach becomes feasible. In the known examples (the above, Higgs bundles, extension pairs, oriented framed bundles) we show how to recover the "usual" semistability concept. This process of simplification can also be formalized. Altogether, our results provide a unifying construction for the moduli spaces of most decorated vector bundle problems together with an automatism for finding the right notion of semistability and should therefore be of some interest.
description: Final Version (To appear in Transformation Groups); V2: Example 3.7 corrected, other minor modifications; V3: Notion of polystability corrected, other minor modifications
Production of Instructional Videos Using a Virtual Presentation Room on a Mobile Head-mounted Display
Creators: name: Yano, Kojiro
Publisher: name: The Eurographics Association
Year: 2019
Subjects: Human
centered computing
Virtual reality
Applied computing
E
learning

description: Instructional videos are frequently used in education and it is important for teachers to produce the materials with minimal time and efforts. In this article, I report SlidesGo, a "virtual presentation room" software for a mobile head-mounted display. It allows a user to record a slide presentation video with an avatar in a virtual environment as well as to record head orientations during a presentation. and produce a heatmap to characterize the visual attention of the speaker during the recording. Instructional video productions using a mobile head-mounted display is far more time and cost efficient and give more insights into the teacher's non-verbal behaviour than those in a physical studio.
description: ICAT-EGVE 2019 - International Conference on Artificial Reality and Telexistence and Eurographics Symposium on Virtual Environments - Posters and Demos
description: Posters
description: 1
description: 2
description: Kojiro Yano
description: CCS Concepts: Human-centered computing --> Virtual reality; Applied computing --> E-learning
A gradual approach for maximising user conversion without compromising experience with high visual intensity website elements
Creators: name: Jankowski, Jarosław
name: Hamari, Juho
name: Wątróbski, Jarosław
Publisher: name: arXiv
Year: 2019
Subjects: subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences

description: The study develops and tests a method that can gradually find a sweet spot between user experience and visual intensity of website elements to maximise user conversion with minimal adverse effect. In the first phase of the study, we develop the method. In the second stage, we test and evaluate the method via an empirical study; also, an experiment was conducted within web interface with the gradual intensity of visual elements.The findings reveal that negative response grows faster than conversion when the visual intensity of the web interface is increased. However, a saturation point, where there is coexistence between maximum conversion and minimum negative response, can be found. The findings imply that efforts to attract user attention should be pursued with increased caution and that a gradual approach presented in this study helps in finding a site-specific sweet-spot for a level of visual intensity by incrementally adjusting the elements of the interface and tracking the changes in user behaviour. Web marketing and advertising professionals often face the dilemma of determining the optimal level of visual intensity of interface element. Excessive use of marketing component and attention-grabbing visual elements can lead to an inferior user experience and consequent user churn due to growing intrusiveness. At the same time, too little visual intensity can fail to steer users. The present study provides a gradual approach which aids in finding a balance between user experience and visual intensity, maximising user conversion and thus providing a practical solution for the problem.
description: 34 pages
Learning and Performance During Implementation of an Innovative Project: A Single Case Study of a Cross-Functional Team Within a Scientific Communications Agency
Creators: Robinson, Elizabeth
Publisher: name: Columbia University
Year: 2021
Subjects: Adult education
Organizational behavior
Cross-functional teams
Team learning approach in education
Science--Study and teaching (Higher)

description: Today’s world of work, especially in highly specialized knowledge-based industries such as scientific communications, is increasingly complex. Leaders are challenged to drive growth through innovation. Cross-functional teams are challenged to bring innovative ideas to life. Despite a growing body of literature on team learning, current research does not extend to this highly specialized setting, especially around how innovation is implemented by cross-functional teams. The purpose of this qualitative single case study was to discover how one cross-functional innovation team within a scientific communications agency learns, performs, and contributes to team and organizational outcomes, specifically what learning conditions are present and what behaviors are adopted. The research revealed how team members characterized their experience of cross-functional innovation teaming; what the team members perceived to be the optimal organizational and team learning conditions; what kinds of behaviors team members adopted to optimize their learning and performance; and what types of learning outcomes the team achieved. For cross-functional teams implementing innovative projects, conclusions were that: (1) successful implementation is facilitated by the organization’s approach to innovation, specifically their strategy and their support for cross-functional teams; (2) optimal learning conditions for the team are a shared aspirational vision, a climate of psychological safety, and innovation-responsive operating principles; (3) psychological safety and innovation-responsive operating principles facilitate innovation team behaviors of experimenting, crossing boundaries, and collaboration; (4) cross-functional innovation team leadership is emergent and may come from multiple sources based on the expertise of the team members and what leadership functions are most needed when; and (5) team outcomes include implementation of a new product, discovery of new ways of working, and team member satisfaction. Knowing this helps to determine what team learning models and research are most relevant to innovation teams in this practice setting and what additional practices or supports might be helpful to guide these kinds of cross-functional innovation teams and their organizations to greater success.
Wormhole Solutions in Rastall Gravity Theory
Creators: name: Halder, Shibaji
name: Bhattacharya, Subhra
name: Chakraborty, Subenoy
Publisher: name: arXiv
Year: 2019
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The present work looks for new wormhole solutions in the non conservative Rastall gravity. Although Rastall gravity is considered to be a higher dimensional gravity, the actual diversion from general relativity essentially happens due to a modification in the corresponding matter tensor part. Thus it would be interesting to find out if such non minimal coupling has any effect on the traversable wormholes and their corresponding energy conditions.
description: Accepted in Mod. Phys. Lett. A
Additional file 1 of Cognitive leisure activity and all-cause mortality in older adults: a 4-year community-based cohort
Creators: name: Liu, Xin
name: Ruan, Ye
name: Huang, Limei
name: Guo, Yanfei
name: Sun, Shuangyuan
name: Chen, Hao
name: Gao, Junling
name: Shi, Yan
name: Xiao, Qianyi
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Neuroscience
subject: Environmental Sciences not elsewhere classified
subject: Science Policy
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Cancer

description: Additional file1: Figure S1. Kaplan-Meier survival curves of dichotomized individual cognitive leisure activity with survival. (a) playing mahjong or cards. (b) reading. (c) computer use. Table S1. The distribution of education level and individual cognitive leisure activity in Men and Women. Table S2. The distribution of cardiovascular disease, cancer and BMI in PA active and PA inactive. Table S3. Prevalence and death rate of all 8 combinations of cognitive leisure activity behaviours.
Dolicholatiridae Kantor & Fedosov & Kosyan & Puillandre & Sorokin & Kano & Clark & Bouchet 2022, FAM. NOV.
Creators: name: Kantor, Yuri I.
name: Fedosov, Alexander E.
name: Kosyan, Alisa R.
name: Puillandre, Nicolas
name: Sorokin, Pavel A.
name: Kano, Yasunori
name: Clark, Roger
name: Bouchet, Philippe
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Neogastropoda
Dolicholatiridae

description: FAMILY DOLICHOLATIRIDAEFAM. NOV.   (FIGS 3A–E, 4A–C)
 Type genus: Dolicholatirus Bellardi, 1884.
description: Published as part of Kantor, Yuri I., Fedosov, Alexander E., Kosyan, Alisa R., Puillandre, Nicolas, Sorokin, Pavel A., Kano, Yasunori, Clark, Roger & Bouchet, Philippe, 2022, Molecular phylogeny and revised classification of the Buccinoidea (Neogastropoda), pp. 789-857 in Zoological Journal of the Linnean Society 194 on page 802
The Excavation of a Late Bronze Age Site at Yapton, West Sussex, 1984
Creators: name: Rudling, David
name: Hamilton, Sue
name: Place, Chris
name: Cartwright, Caroline R
Publisher: name: Archaeology Data Service
Year: 2021

description: Sussex Archaeological Collections, 125, 51-67
description: The excavation of a concentration of burnt flint, charcoal and prehistoric pottery revealed four pits which are dated by the associated pottery finds to the 9th century B. C. The pottery assemblage is of particular importance due to the lack of adequately stratified pottery of this date in Sussex.
Nature of Roll to Spiral-Defect-Chaos Transition
Creators: name: Li, Xiao-jun
name: Xi, Hao-wen
name: Gunton, J. D.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: We investigate the nature of the parallel-roll to spiral-defect-chaos (SDC) transition in Rayleigh-Benard convection, based on the generalized Swift-Hohenberg model. We carry out extensive, systematic numerical studies by, on one branch, increasing the control parameter gradually from the parallel roll regime to the SDC regime and, on the other branch, decreasing it in the opposite manner. We find that the data of several time-averaged global quantities all form hysteretic loops from the two branches. We also discuss several possible scenarios for the transition and analyze our data for SDC accordingly. We conclude that the roll-to-SDC transition is first-order in character and that the correlation length diverges at the conduction to convection onset. We further postulate that this transition can be understood somewhat similar to the hexagon-to-roll transition in non-Boussinesq fluids. Finally we comment on the differences between our conclusion and those in two experiments.
description: 11 pages, 7 figures, submitted
Two-dimensional black holes in accelerated frames: Spacetime structure
Creators: name: Balbinot, R.
name: Fabbri, A.
Publisher: name: arXiv
Year: 1996
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Analytical extensions and resulting Penrose diagrams are given for the solutions of a simple 2d dilaton gravity theory describing black holes which are static as viewed by asymptotically accelerated observers.
description: 20 pages, harvmac, 12 figures, no changes, one reference added
Two-parameter non-linear spacetime perturbations: gauge transformations and gauge invariance
Creators: name: Bruni, Marco
name: Gualtieri, Leonardo
name: Sopuerta, Carlos F.
Publisher: name: arXiv
Year: 2002
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: An implicit fundamental assumption in relativistic perturbation theory is that there exists a parametric family of spacetimes that can be Taylor expanded around a background. The choice of the latter is crucial to obtain a manageable theory, so that it is sometime convenient to construct a perturbative formalism based on two (or more) parameters. The study of perturbations of rotating stars is a good example: in this case one can treat the stationary axisymmetric star using a slow rotation approximation (expansion in the angular velocity Omega), so that the background is spherical. Generic perturbations of the rotating star (say parametrized by lambda) are then built on top of the axisymmetric perturbations in Omega. Clearly, any interesting physics requires non-linear perturbations, as at least terms lambda Omega need to be considered. In this paper we analyse the gauge dependence of non-linear perturbations depending on two parameters, derive explicit higher order gauge transformation rules, and define gauge invariance. The formalism is completely general and can be used in different applications of general relativity or any other spacetime theory.
description: 22 pages, 3 figures. Minor changes to match the version appeared in Classical and Quantum Gravity
On the continuity of bending
Creators: name: Kourouniotis, Christos
Publisher: name: arXiv
Year: 1998
Subjects: subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 30F40, 32G15

description: We examine the dependence of the deformation obtained by bending quasi-Fuchsian structures on the bending lamination. We show that when we consider bending quasi-Fuchsian structures on a closed surface, the conditions obtained by Epstein and Marden to relate weak convergence of arbitrary laminations to the convergence of bending cocycles are not necessary. Bending may not be continuous on the set of all measured laminations. However we show that if we restrict our attention to laminations with non negative real and imaginary parts then the deformation depends continuously on the lamination.
description: 18 pages. Published copy, also available at http://www.maths.warwick.ac.uk/gt/GTMon1/paper15.abs.html
Difference of the Sense of the Texture Between Visual and Touchable Cloth Object in VR Space
Creators: name: Tsukuda, Yoshio
name: Koeda, Masanao
Publisher: name: The Eurographics Association
Year: 2019
Subjects: Human
centered computing
User interface programming

description: In a virtual reality (VR) space, the texture of cloth is perceived visually using the influence of three-dimensional computer graphics (3DCG) representing the cloth object surface material and movement. In recent years, research has been conducted on various dynamics-based cloth simulations in 3DCG. However, the relation between the mechanical parameters of the generated cloth and the texture of the cloth has not been clarified, and instead is implemented based on the sense of the 3DCG developer. In this study, we examine the differences of the texture sense between the visual texture of cloth objects and the texture when actively touching the cloth objects in a VR space, by changing mechanical parameters of the cloth. The experimental results with 10 subjects using a semantic differential method showed that the subjects did not feel a clear texture with most adjective pairs in the visual texture only. The subject obtained the texture more clearly by actively touching the cloth with no haptic feedback. It also was revealed that with some mechanical parameters, the sense of texture can be reversed between the visual-only feeling and the active touch of the cloth.
description: ICAT-EGVE 2019 - International Conference on Artificial Reality and Telexistence and Eurographics Symposium on Virtual Environments - Posters and Demos
description: Posters
description: 3
description: 4
description: Yoshio Tsukuda and Masanao Koeda
description: CCS Concepts: Human-centered computing --> User interface programming
Additional file 4: of Cross-validation of an algorithm detecting acute gastroenteritis episodes from prescribed drug dispensing data in France: comparison with clinical data reported in a primary care surveillance system, winter seasons 2014/15 to 2016/17
Creators: name: Ana-Maria Vilcu
name: Blanchon, Thierry
name: Sabatte, Laure
name: CĂŠcile Souty
name: Maravic, Milka
name: Hanslik, Thomas
name: Steichen, Olivier
Publisher: name: figshare
Year: 2019
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Cancer

description: Figure S1. Linear model versus non-parametric model regressing the weekly number of AG cases estimated from drug dispensing data against the weekly AG Sentinelles incidence, all ages, winter seasons 2014/15 to 2016/17. (PDF 7 kb)
Learning and Reflection: An Exploratory Case Study of Singapore Teachers Learning in an Online Professional Development Course
Creators: Lee, Florence
Publisher: name: Columbia University
Year: 2021
Subjects: Teachers--Training of
Web-based instruction
COVID-19 (Disease)--Social aspects

description: Online teacher professional development (oTPD) has gained momentum globally as a mode of teacher professional development (Dede et al., 2009; Lieberman & Mace, 2010), appealing to teachers who prefer the convenience of online learning and/or the autonomy of self-paced learning. With oTPD gaining traction, especially in this climate of COVID-19 pandemic where many face-to-face interactions have shifted to an online space, there is insufficient research done on teachers’ learning experiences and the type of reflective thinking observed during teachers’ participation in oTPD activities. This is compounded by the ubiquitous but poorly defined use of reflection in literature pertaining to learning and professional development (Finlay, 2008; Roessger, 2014). In Singapore where teachers have access to a range of oTPD opportunities, this problem is similarly observed. Very few studies have been undertaken in Singapore to understand teachers’ learning experiences and how teachers reflect when they engage in TPD or oTPD. In light of the growing popularity of oTPD as a means for Singapore teachers to learn and improve their classroom practice, this exploratory case study sought to contribute to TPD research by studying the oTPD experiences of Singapore teachers. Specifically, this study explored factors that facilitated and/or impeded teacher learning in oTPD and the level of reflective thinking observed in teachers’ oTPD participation. The motivation for this study stems from an appreciation of the complexity of classroom practice and the recognition that what teachers do in their respective classrooms is pivotal to student learning. This study recognizes the crucial need to support teacher learning through oTPD. Findings from this study may inform the design and implementation of oTPD in Singapore and address the paucity of research in this area by providing qualitative case study data on the understudied area of oTPD and teacher learning. Recommendations pertaining to the design and implementation of oTPD may benefit professional development providers and the teachers they serve, as well as teacher leaders hoping to support teacher learning. This study and the recommendations it proposes will also be of interest to researchers in educational research who seek to understand the phenomenon of oTPD.
Colubrariidae Dall 1904
Creators: name: Kantor, Yuri I.
name: Fedosov, Alexander E.
name: Kosyan, Alisa R.
name: Puillandre, Nicolas
name: Sorokin, Pavel A.
name: Kano, Yasunori
name: Clark, Roger
name: Bouchet, Philippe
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Neogastropoda
Colubrariidae

description: FAMILY COLUBRARIIDAE DALL, 1904  (FIGS 5A–E, 6A–C)
 Type genus: Colubraria Schumacher, 1817
 = Fusidae Iredale, 1915. Type genus: Fusus Helbling, 1779. Invalid name: type genus placed on the Official Index by ICZN Opinion 1765 (1994)
 = Kanamaruidae Higo & Goto, 1993. Type genus: Kanamarua Kuroda, 1951
description: Published as part of Kantor, Yuri I., Fedosov, Alexander E., Kosyan, Alisa R., Puillandre, Nicolas, Sorokin, Pavel A., Kano, Yasunori, Clark, Roger & Bouchet, Philippe, 2022, Molecular phylogeny and revised classification of the Buccinoidea (Neogastropoda), pp. 789-857 in Zoological Journal of the Linnean Society 194 on page 804
Regular basis and R-matrices for the su(n)_k Knizhnik-Zamolodchikov equation
Creators: name: Hadjiivanov, L. K.
name: Stanev, Ya. S.
name: Todorov, I. T.
Publisher: name: arXiv
Year: 2000
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: Quantum Algebra (math.QA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Dynamical R-matrix relations are derived for the group-valued chiral vertex operators in the SU(n) WZNW model from the KZ equation for a general four-point function including two step operators. They fit the exchange relations for the U_q(sl_n) covariant quantum matrix derived previously by solving the dynamical Yang-Baxter equation. As a byproduct, we extend the regular basis introduced earlier for SU(2) chiral fields to SU(n) step operators and display the corresponding triangular matrix representation of the braid group.
description: 19 pages, LATEX, amsfonts, amssymb; v.3 with a few corrections
Virtual Remote View System in Traffic Jam Using Smartphone Peer-to-peer Image Propagation
Creators: name: Miki, Shohei
name: Itoh, Hirotaka
name: Funahashi, Kenji
Publisher: name: The Eurographics Association
Year: 2019
Subjects: Information systems
Multimedia information systems

description: You usually want to know the traffic situation ahead while driving. For example, you probably want to see a situation at the head of a traffic jam. In this study, we propose a virtual remote view system in a traffic jam. Smartphones on a dashboard are connected as peer-to-peer communication, and the jammed road images are propagated to them behind. An experiment was conducted to confirm that this system works properly. Some positive evaluations for a virtual remote view were obtained from subjects.
description: ICAT-EGVE 2019 - International Conference on Artificial Reality and Telexistence and Eurographics Symposium on Virtual Environments - Posters and Demos
description: Posters
description: 5
description: 6
description: Shohei Miki, Hirotaka Itoh, and Kenji Funahashi
description: CCS Concepts: Information systems --> Multimedia information systems
Spatio-temporal dynamics of coupled array of Murali-Lakshmanan-Chua circuits
Creators: name: Muruganandam, P.
name: Murali, K.
name: Lakshmanan, M.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: The circuit recently proposed by Murali, Lakshmanan and Chua (MLC) is one of the simplest non-autonomous nonlinear electronic circuits which shows a variety of dynamical phenomena including various bifurcations, chaos and so on. In this paper we study the spatio-temporal dynamics in one and two dimensional arrays of coupled MLC circuits both in the absence as well as in the presence of external periodic force. In the absence of any external force, the propagation phenomena of travelling wave front and its failure have been observed from numerical simulations....
description: 16 pages (15 figures), RevTeX4
Reduction and extremality of finite observables
Creators: name: Schmidt, Heinz-Jürgen
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We investigate the theory of finite observables, i.e., resolutions of the finite-dimensional identity by means of positive operators, that have a physical interpretation in terms of measurement schemes. We focus on extremal and rank-one observables and consider various constructions that reduce observables to simpler ones. However, these constructions do not suffice to generate all finite extremal observables, as we show by means of counter-examples.
Wider IPD Makes People Perceive Their Body to be not so Large when Large Hands are Presented
Creators: name: Mine, Daisuke
name: Ogawa, Nami
name: Narumi, Takuji
name: Yokosawa, Kazuhiko
Publisher: name: The Eurographics Association
Year: 2019
Subjects: Human
centered computing → Virtual reality

description: It is known that hand size and the interpupillary distance (IPD), as well as eye height from the ground, are some of the determinants of body size. We investigated the effect of simultaneous changes in hand size and IPD on size perception regarding the body and the external world in virtual reality. We manipulated the hand size and the IPD (normal hand and normal IPD, large hand and normal IPD, large hand and large IPD) while vertically increasing the participants' eye height. Our main results indicated that a wider IPD combined with larger hands made participants perceive their body to be smaller than when the IPD was normal. Thus, the IPD influences the perception of body size when large hands are presented. This is a novel result because it suggests the probability of an interaction effect between the IPD and the hand size, or between the IPD and the presence of hands, on body size perception.
description: ICAT-EGVE 2019 - International Conference on Artificial Reality and Telexistence and Eurographics Symposium on Virtual Environments - Posters and Demos
description: Posters
description: 7
description: 8
description: Daisuke Mine, Nami Ogawa, Takuji Narumi, and Kazuhiko Yokosawa
description: CCS Concepts: Human-centered computing → Virtual reality
Buccinidae Rafinesque 1815
Creators: name: Kantor, Yuri I.
name: Fedosov, Alexander E.
name: Kosyan, Alisa R.
name: Puillandre, Nicolas
name: Sorokin, Pavel A.
name: Kano, Yasunori
name: Clark, Roger
name: Bouchet, Philippe
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Neogastropoda
Buccinidae

description: FAMILY BUCCINIDAE RAFINESQUE, 1815  (FIGS 10–14)
 Type genus: Buccinum Linnaeus, 1758.
SUBFAMILY BUCCININAE RAFINESQUE, 1815
(FIG. 10A–F)
description: Published as part of Kantor, Yuri I., Fedosov, Alexander E., Kosyan, Alisa R., Puillandre, Nicolas, Sorokin, Pavel A., Kano, Yasunori, Clark, Roger & Bouchet, Philippe, 2022, Molecular phylogeny and revised classification of the Buccinoidea (Neogastropoda), pp. 789-857 in Zoological Journal of the Linnean Society 194 on page 815
Visual Search of Interactive Gaze in a Virtual Environment: Detecting Eye Contact is Faster than Gaze Averting
Creators: name: Yamamoto, Kyosuke
name: Kitazaki, Michiteru
Publisher: name: The Eurographics Association
Year: 2019
Subjects: Human
centered computing → Virtual reality

description: We often gaze at each other when we communicate with others intimately. A previous study with static stimuli has revealed that perception of others' gaze is asymmetric only when the head is deviated; gazing face target is found faster than averting gaze target. However, the gaze research has been limited to static eye's stimuli, and the perceptual processing of dynamic gaze has not yet been investigated. Therefore, we created dynamic and interactive gaze stimuli of frontal heads in a virtual environment using a head mounted display that can measure eye movements, and conducted visual search experiments. We found that the gaze contacting target presented among gaze averting distractors was detected faster than the gaze averting target among gaze directing distractors. Thus, the detecting eye contact is faster than gaze averting even with frontal faces in dynamic environments, suggesting that dynamic eye contact has a special value for human perception.
description: ICAT-EGVE 2019 - International Conference on Artificial Reality and Telexistence and Eurographics Symposium on Virtual Environments - Posters and Demos
description: Posters
description: 9
description: 10
description: Kyosuke Yamamoto and Michiteru Kitazaki
description: CCS Concepts: Human-centered computing → Virtual reality
Comment on Entropy in Two-dimensional Dilaton Gravity
Creators: name: Hirata, Kouichirou
name: Fujiwara, Yoshi
name: Soda, Jiro
Publisher: name: arXiv
Year: 1996
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The thermodynamic second law in the evaporating black hole space-time is examined in the context of two-dimensional dilaton black hole. The dynamical evolution of entropy is investigated by using the analytical perturbation method and the numerical method. It is shown that the thermodynamic second law holds in the vicinity of infalling shell %analytically and in the region far from the infalling shell %numerically in the case of semi-classical CGHS model. The analysis of the general models is also presented and its implication is discussed.
description: 13 pages, 2 figures (appended as eps files), uses LaTeX
Additional file 3: of Cross-validation of an algorithm detecting acute gastroenteritis episodes from prescribed drug dispensing data in France: comparison with clinical data reported in a primary care surveillance system, winter seasons 2014/15 to 2016/17
Creators: name: Ana-Maria Vilcu
name: Blanchon, Thierry
name: Sabatte, Laure
name: CĂŠcile Souty
name: Maravic, Milka
name: Hanslik, Thomas
name: Steichen, Olivier
Publisher: name: figshare
Year: 2019
Subjects: subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Developmental Biology
subject: Science Policy
subject: 60506 Virology

description: Number of AG episodes per patient detected from drug dispensing data for patients included in the study, seasons 2014/15 to 2016/17 (week number 36 of year N to week number 15 of year Nâ +â 1). (PDF 39 kb)
Complex projective structures on Kleinian groups
Creators: name: Marden, Albert
Publisher: name: arXiv
Year: 1998
Subjects: subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 30F50, 30F45, 30F60, 30F99, 30C99

description: Let M^3 be a compact, oriented, irreducible, and boundary incompressible 3-manifold. Assume that its fundamental group is without rank two abelian subgroups and its boundary is non-empty. We will show that every homomorphism from pi_1(M) to PSL(2,C) which is not `boundary elementary' is induced by a possibly branched complex projective structure on the boundary of a hyperbolic manifold homeomorphic to M.
description: 6 pages. Published copy, also available at http://www.maths.warwick.ac.uk/gt/GTMon1/paper16.abs.html
Additional file 5 of Genetic expression and mutational profile analysis in different pathologic stages of hepatocellular carcinoma patients
Creators: name: Gao, Xingjie
name: Zhao, Chunyan
name: Zhang, Nan
name: Cui, Xiaoteng
name: Ren, Yuanyuan
name: Su, Chao
name: Wu, Shaoyuan
name: Yao, Zhi
name: Yang, Jie
Publisher: name: figshare
Year: 2021
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 5: Figure S4. Comparison between CNV and expression level of genes within cell cycle pathway. We performed a Kolmogorov-Smirnov test for correlation analysis to identify the expression-correlated targeting genes with CNV, and then utilized the “enrichKEGG” function for the KEGG pathway enrichment analysis. The cell cycle pathway data was provided. a -1og (P value) for CNV; b gene expression for FC (fold change).
Quantum gravity, shadow states, and quantum mechanics
Creators: name: Ashtekar, Abhay
name: Fairhurst, Stephen
name: Willis, Joshua L.
Publisher: name: arXiv
Year: 2002
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: A program was recently initiated to bridge the gap between the Planck scale physics described by loop quantum gravity and the familiar low energy world. We illustrate the conceptual problems and their solutions through a toy model: quantum mechanics of a point particle. Maxwell fields will be discussed in the second paper of this series which further develops the program and provides details.
description: 35 pages, no figures, RevTeX4 with AMSTeX; v2: three references added. v3: Sections IV and V revised in view of discussions at the recent Schr\"odinger Institute workshop on quantum field theory in curved space-times. In particular, now this simple quantum mechanical example also serves as a (partial) introduction to the constructions and techniques used in quantum geometry
Topological gravity in genus 2 with two primary fields
Creators: name: Eguchi, Tohru
name: Getzler, Ezra
name: Xiong, Chuan-Sheng
Publisher: name: arXiv
Year: 2000
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Algebraic Geometry (math.AG)
subject: Symplectic Geometry (math.SG)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We calculate the genus 2 correlation functions of two-dimensional topological gravity, in a background with two primary fields, using the genus 2 topological recursion relations.
When can unlabeled data improve the learning rate?
Creators: name: Göpfert, Christina
name: Ben-David, Shai
name: Bousquet, Olivier
name: Gelly, Sylvain
name: Tolstikhin, Ilya
name: Urner, Ruth
Publisher: name: arXiv
Year: 2019
Subjects: subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: In semi-supervised classification, one is given access both to labeled and unlabeled data. As unlabeled data is typically cheaper to acquire than labeled data, this setup becomes advantageous as soon as one can exploit the unlabeled data in order to produce a better classifier than with labeled data alone. However, the conditions under which such an improvement is possible are not fully understood yet. Our analysis focuses on improvements in the minimax learning rate in terms of the number of labeled examples (with the number of unlabeled examples being allowed to depend on the number of labeled ones). We argue that for such improvements to be realistic and indisputable, certain specific conditions should be satisfied and previous analyses have failed to meet those conditions. We then demonstrate examples where these conditions can be met, in particular showing rate changes from $1/\sqrt{\ell}$ to $e^{-c\ell}$ and from $1/\sqrt{\ell}$ to $1/\ell$. These results improve our understanding of what is and isn't possible in semi-supervised learning.
description: Small correction in proof of Theorem 1
Additional file 10 of Genetic expression and mutational profile analysis in different pathologic stages of hepatocellular carcinoma patients
Creators: name: Gao, Xingjie
name: Zhao, Chunyan
name: Zhang, Nan
name: Cui, Xiaoteng
name: Ren, Yuanyuan
name: Su, Chao
name: Wu, Shaoyuan
name: Yao, Zhi
name: Yang, Jie
Publisher: name: figshare
Year: 2021
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 10: Figure S9. Relationship between gene expression and SNP status of CTNNB1 in different pathologic stages of HCC. a We extracted the SNP data of HCC, and identified the SNPs with relatively high frequency. b SNP status of CTNNB1 in the HCC cases. c Correlation between gene expression and CTNNB1 rs121913396, rs121913400, rs121913407, and TP53 rs28934571 SNP in normal and different pathologic stages of HCC was analyzed.
Bunker Hill, ID : ecological restoration
Creators: name: Henry, Chuck
name: Brown, Sally
name: Chaney, Rufus
name: Compton, Harry
Publisher: name: The University of British Columbia
Year: 2009

description: The Bunker Hill Superfund site in Idaho is the second largest in the nation. From smelting operations, soils on the mountainsides became severely acidic and contaminated with high concentrations of metals. Erosion from these hillsides, as well as an estimated 70 million tonnes of mine tailings were purposely dumped into the river; potentially depositing up to 700 million tonnes of contaminated sediment to the river. USDA, U of Washington, U of Idaho, and the Northwest Biosolids Management Association members installed Phases I and II of this demonstration in spring and fall 1997, consisting of surface application of "supermulch" to tailings and steep, eroded hillsides. Biosolids from King County, Everett, Tacoma and Cowlitz County, WA, and Post Falls, Hayden, and Coeur d'Alêne, ID were mixed with wood ash from Washington Water Power, Louisiana Pacific or Kimberly- Clark. Plant establishment has been dramatic, as well as there being reestablishment of soil microbial communities and evidence of wildlife usage, suggesting that these treatments are highly successful in revegetation and erosion control.
Additional file 12 of Genetic expression and mutational profile analysis in different pathologic stages of hepatocellular carcinoma patients
Creators: name: Gao, Xingjie
name: Zhao, Chunyan
name: Zhang, Nan
name: Cui, Xiaoteng
name: Ren, Yuanyuan
name: Su, Chao
name: Wu, Shaoyuan
name: Yao, Zhi
name: Yang, Jie
Publisher: name: figshare
Year: 2021
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 12: Figure S11. Decision tree and random forest analyses for normal controls and HCC cases. We perform a random forest modeling analysis to distinguish the normal controls and HCC cases. a Multiple dimension scale plot, b ROC curve, and c-d largely contributed genes were provided. e-f We performed a decision tree modeling analysis and compared the expression of these genes in 50 HCC tissues with adjacent non-tumor tissues, targeting ECM1, FCN2, ANGPTL6, OIT3, ADAMTS13, and LRRC14 genes.
A topographical survey of Chanctonbury Ring, West Sussex: an interpretation of the prehistoric landscape from the Neolithic to the Middle Iron Age.
Creators: name: Tibble, Mark
Publisher: name: Archaeology Data Service
Year: 2010

description: Sussex Archaeological Collections, 146, 53-73
description: Reports a topographical survey of the landscape and hillfort during 2003 and 2004. Notes the presence of previously unsurveyed features which may be Bronze Age round barrows. Discusses the meaning and significance of the landscape to the prehistoric communities associated with it, and considers the construction of the Late Bronze Age hillfort, suggesting that this may represent in part the creation of a physical link to the mythical past.
Simple closed geodesics on regular tetrahedra in Lobachevsky space
Creators: name: Borisenko, Alexander A.
name: Sukhorebska, Darya D.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Metric Geometry (math.MG)
subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 53C22, 52B10

description: We obtained a complete classification of simple closed geodesics on regular tetrahedra in Lobachevsky space. Also, we evaluated the number of simple closed geodesics of length not greater than $L$ and found the asymptotic of this number as $L$ goes to infinity.
description: 20 pages, 17 figures
Amplitude equations for coupled electrostatic waves in the limit of weak instability
Creators: name: Crawford, John David
name: Knobloch, Edgar
Publisher: name: arXiv
Year: 1997
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: We consider the simplest instabilities involving multiple unstable electrostatic plasma waves corresponding to four-dimensional systems of mode amplitude equations. In each case the coupled amplitude equations are derived up to third order terms. The nonlinear coefficients are singular in the limit in which the linear growth rates vanish together. These singularities are analyzed using techniques developed in previous studies of a single unstable wave. In addition to the singularities familiar from the one mode problem, there are new singularities in coefficients coupling the modes. The new singularities are most severe when the two waves have the same linear phase velocity and satisfy the spatial resonance condition $k_2=2k_1$. As a result the short wave mode saturates at a dramatically smaller amplitude than that predicted for the weak growth rate regime on the basis of single mode theory. In contrast the long wave mode retains the single mode scaling. If these resonance conditions are not satisfied both modes retain their single mode scaling and saturate at comparable amplitudes.
description: 34 pages (Latex), no figures
Excavations at Testers, White Horse Square, Steyning, 1985
Creators: name: Gardiner, Mark
Publisher: name: Archaeology Data Service
Year: 2021

description: Sussex Archaeological Collections, 126, 53-76
description: In advance of building work an area of open land at Testers, White Horse Square, was excavated. The site was crossed by two prehistoric ditches dated on the evidence of the pottery to the 9th century B. C. and to the latest pre-Roman Iron Age. A small number of Early Anglo-Saxon sherds were found at the top of the later ditch . A ditch with Saxo-Norman pottery may be a tenement boundary dating from the relocation of Steyning during the Medieval period. The area of excavation during the later J 3th and 14th centuries was initially occupied by a cistern. Later, rubbish and cess-pits were dug . The contents of the rubbish pits had been first deposited in middens before final disposal in pits. Evidence from the excavation confirms ideas on the development of the town of Steyning.