cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Can any unconditionally convergent multiplier be transformed to have the symbol (1) and Bessel sequences by shifting weights?
Creators: name: Stoeva, Diana T.
name: Balazs, Peter
Publisher: name: arXiv
Year: 2011
Subjects: subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 42C15, 40A05, 47L15

description: Multipliers are operators that combine (frame-like) analysis, a multiplication with a fixed sequence, called the symbol, and synthesis. They are very interesting mathematical objects that also have a lot of applications for example in acoustical signal processing. It is known that bounded symbols and Bessel sequences guarantee unconditional convergence. In this paper we investigate necessary and equivalent conditions for the unconditional convergence of multipliers. In particular we show that, under mild conditions, unconditionally convergent multipliers can be transformed by shifting weights between symbol and sequence, into multipliers with symbol (1) and Bessel sequences.
A Knowledge-Based Expert Systems Primer and Catalog
Creators: name: Hillyer, Bruce K.
Publisher: name: Columbia University
Year: 1985
Subjects: Computer science
Artificial intelligence

description: For more than 20 years, artificial intelligence techniques have been applied to the development of computer programs that solve difficult problems. Although several expert systems are well known, it is all too easy to circumscribe the field based on these few examples. The purpose of this paper is to present the fundamentals of the field (the Primer), and to give a broad overview via concise descriptions of many rule-based expert systems and knowledge engineering frameworks (the Catalog).
The Communication Complexity of Atomic Commitment and of Gossiping
Creators: name: Wolfson, Ouri
name: Segall, Adrian
Publisher: name: Columbia University
Year: 1989
Subjects: Computer science

description: We consider the problem of atomic commitment of a transaction in a distributed database. This is a variant of the famous gossiping problem (see [HHL] for a survey). Given a set of communication costs between pairs of participant sites, we establish that the necessary communication cost for any atomic commitment algorithm is twice the cost of a certain minimum spanning tree. We also establish the necessary communication time for any atomic commitment algorithm, given a set of communication delays between pairs of participant sites, and the time at which each participant completes its subtransaction. Then we determine that both lower bounds are also upper bounds in the following sense. There is an efficient (i.e. polynomial-time) algorithm that, in the absence of failures, has a minimum communication cost. There is another efficient algorithm that, in the absence of failures, has a minimum communication time. However, unless P=NP, there is no efficient algorithm which has a minimum communication complexity, namely, for which the product of communication cost and communication time is minimum. Then we present a simple, linear time, distributed algorithm, called TREE-COMMIT, whose communication complexity is not worse than p times the minimum complexity, where p is the number of participants. Finally, we demonstrate that TREE-COMMIT is superior to the existing variants of the two-phase commit protocol.
Weak Localization and Antilocalization in Topological Insulator Thin Films with Coherent Bulk-Surface Coupling
Creators: name: Garate, Ion
name: Glazman, Leonid
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We evaluate quantum corrections to conductivity in an electrically gated thin film of a three-dimensional (3D) topological insulator (TI). We derive approximate analytical expressions for the low-field magnetoresistance as a function of bulk doping and bulk-surface tunneling rate. Our results reveal parameter regimes for both weak localization and weak antilocalization, and include diffusive Weyl semimetals as a special case.
description: After publication, we have noticed and corrected two small but potentially misleading typographic errors in Eqs. (2.27) and (2.29), where the definitions of \tau_s and \tau_v were mistakenly switched. Once these typographic errors are fixed, all the results remain unchanged. An Erratum will be published in PRB
Colorado water, August 2005
Creators: name: Blumanhourst, Gloria
name: Colorado Water Resources Research Institute, Publisher
Publisher: name: Mountain Scholar
Year: 2005
Subjects: subject: Water resources development -- Colorado
subject: Water use -- Colorado
subject: Water-supply -- Colorado
subject: Water-supply -- Management -- Colorado

description: The scope of the newsletter is devoted to enhancing communication between Colorado water users and managers and faculty at the research universities in the state.
description: Newsletter of the Water Center at Colorado State University.
Guided atom laser: transverse mode quality and longitudinal momentum distribution
Creators: name: Vermersch, François
name: Fabre, Charlotte
name: Cheiney, Pierrick
name: Gattobigio, Giovanni Luca
name: Mathevet, Renaud
name: Guéry-Odelin, David
Publisher: name: arXiv
Year: 2011
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We analyze the outcoupling of a matter wave into a guide by a time-dependent spilling of the atoms from an initially trapped Bose-Einstein condensate. This process yields intrinsically a breakdown of the adiabatic condition that triggers the outcoupling of the wave function. Our analysis of the time-dependent engineering and manipulation of condensates in momentum space in this context enables to work out the limits due to interactions in the mode quality of a guided atom laser. This study is consistent with recent experimental observations of low transverse excitations of guided atom lasers and suggests (i) an optimal strategy to realize such quasi-monomode guided atom lasers with, in addition, the lowest possible longitudinal velocity dispersion, or alternatively (ii) a strategy for engineering the atomic flux of the atom laser.
description: Phys. Rev. A 84, 043618 (2011)
Approaches to Distributed UNIX Systems
Creators: name: Smith, Jonathan M.
Publisher: name: Columbia University
Year: 1986
Subjects: Computer science

description: This paper examines several approaches to developing a distributed version of the UNIX Operating system. Relevant UNIX concepts are introduced and brief overviews of a number of distributed UNIX implementations are provided. The major issues discussed are concurrency and file system architecture: 1. The multiprocessor designs examined have the common problem of implementing critical sections in the kernel; several approaches are studied. 2. The me system architectures studied reflect differing views as to how the UNIX name space should be implemented in a distributed environment, and what the names will refer to; the issue of transparency is central to both, and is examined in some detail.
Residential and Industrial Energy Efficiency Improvement: A Dynamic General Equilibrium Analysis of the Rebound Effect
Creators: name: Kahouli, Sondes
name: Pautrel, Xavier
name: Kahouli, Sondes
name: Pautrel, Xavier
Publisher: name: Unknown
Year: 2020
Subjects: subject: Resource /Energy Economics and Policy
subject: Energy Efficiency
subject: Rebound Effect
subject: Transitional Dynamics
subject: Residential Energy Consumption
subject: Industrial Energy Consumption

description: The aim of this paper is to investigate bi-directional spillovers into residential and industrial sectors induced by energy efficiency improvement (EEI) in both the short- and long-term, and the impact of nesting structure as well as the size of elasticities of substitution of production and utility functions on the magnitude and the transitional dynamic of rebound effect. Developing a dynamic general equilibrium model, we demonstrate that residential EEIs spillovers into the industrial sector through the labor supply channel and industrial EEIs spill-overs into the residential sector through the conventional income channel. Numerical simulations calibrated on the U.S. suggest that not taking into account these spillover effects could lead to mis-estimate the rebound effect especially of residential sector EEIs. We also demonstrate how the size and the duration of the rebound effect depend on the value of elasticities of substitution. Especially, the elasticity of substitution between energy and non-energy consumption in household utility and the elasticity of substitution between physical capital and labor in production play a major role. Numerical simulations suggest that alternative sets of value for the elasticities of substitution may give sizable different patterns of rebound effects in both the short- and long-term. In policy terms, our results suggest that energy effciency policies should be implemented simultaneously with rebound effect offsetting policies by considering short- and long-term wide-economy feedbacks. As a consequence, they recall for considering debates about what type of policy pathways is more effective in mitigating the rebound effect.
Cultivating the public sphere : CBC Radio market share in context from 1999-2007
Creators: name: Kelly, Lewis
Publisher: name: University of British Columbia
Year: 2011

description: This study examines the audience performance of CBC Radio. Adopting an innovative statistical method from a 2002 study authored by Robert Picard, this study accounts for competition among radio stations to present a meaningful picture of CBC Radio's performance against expectations. This is done on a province-by-province basis from 1999- 2007, the most recent period for which market share data is available through Statistics Canada. The study finds that CBC Radio's performance generally exceeds expectations by a modest margin, though performance is noticeably stronger in British Columbia and weaker in Prince Edward Island.
Towards the Parallel Execution of Rules in Production System Programs
Creators: name: Ishida, Toru
name: Stolfo, Salvatore
Publisher: name: Columbia University
Year: 1985
Subjects: Computer science

description: To improve the performance of forward chaining production systems, a new parallel execution model is proposed, which fires multiple rules simultaneously on multiple processor systems Two problems are discussed on the model, and efficient algorithms to solve these problems are proposed The synchronization analysis algorithm determines the necessity of synchronization between rule firings, and the decomposition algorithm determines a mapping of rules on multiple processor systems. Evaluation results on an existing production system show that a speed-up of 75 is obtained by introducing the parallel firing mechanism.
Additional file 7 of In vitro and in vivo efficacy of thiacloprid against Echinococcus multilocularis
Creators: name: Liu, Chuanchuan
name: Fan, Haining
name: Ma, Jie
name: Ma, Lan
name: Ge, Ri-li
Publisher: name: figshare
Year: 2021
Subjects: subject: Biochemistry
subject: Space Science
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Pharmacology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 7: Table S3. Echinococcus multilocularis cholinesterase activity.
Effects of Smooth Boundaries on Topological Edge Modes in Optical Lattices
Creators: name: Buchhold, Michael
name: Cocks, Daniel
name: Hofstetter, Walter
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: Since the experimental realization of synthetic gauge fields for neutral atoms, the simulation of topologically non-trivial phases of matter with ultracold atoms has become a major focus of cold atom experiments. However, several obvious differences exist between cold atom and solid state systems, for instance the finite size of the atomic cloud and the smooth confining potential. In this article we show that sharp boundaries are not required to realize quantum Hall or quantum spin Hall physics in optical lattices and, on the contrary, that edge states which belong to a smooth confinement exhibit additional interesting properties, such as spatially resolved splitting and merging of bulk bands and the emergence of robust auxiliary states in bulk gaps to preserve the topological quantum numbers. In addition, we numerically validate that these states are robust against disorder. Finally, we analyze possible detection methods, with a focus on Bragg spectroscopy, to demonstrate that the edge states can be detected and that Bragg spectroscopy can reveal how topological edge states are connected to the different bulk bands.
description: 12 pages, 10 figures, updated figures and minor text corrections
Understanding Civic Boundary Changes: An Introduction to the Local Geohistory Project
Creators: name: Connelly, Mark A.
Publisher: name: Zenodo
Year: 2023
Subjects: gis
boundaries
geohistory
municipal incorporation

description: Understanding how civic boundaries have changed over time is vital for GIS professionals maintaining current boundary layers, and for demographers, economists, genealogists, and historians interpreting historical records. Between Pennsylvania's 67 counties, 2,560 municipalities, and 500 school districts, locating accurate information about these changes can be difficult even when records are well organized and easily accessible. This talk will explain the most common methods used to change civic boundaries in the past, and where documentation can be found in local, state, and federal repositories. How the Local Geohistory Project has endeavored to create and disseminate a free geographic index of civic boundary changes, which remains a work in progress, will also be explored.
description: Exception to the Creative Commons Attribution Share Alike 4.0 International license: the icons on Slides 8, 9, and 10 are subject to the Iconfinder Basic License (https://support.iconfinder.com/en/articles/18231-license-basic).
Additional file 6 of In vitro and in vivo efficacy of thiacloprid against Echinococcus multilocularis
Creators: name: Liu, Chuanchuan
name: Fan, Haining
name: Ma, Jie
name: Ma, Lan
name: Ge, Ri-li
Publisher: name: figshare
Year: 2021
Subjects: subject: Biochemistry
subject: Space Science
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Pharmacology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 6: Figure S4. Metacestode vesicle (a) and germinal cells (b) cultured in vitro.
PUBERTAL DEVELOPMENT PATHWAYS TO ADOLESCENT ALCOHOL USE: TESTING THE MEDIATING ROLE OF OTHER-SEX FRIENDSHIPS
Creators: name: Loviska, Amy Milin
Publisher: name: Purdue University Graduate School
Year: 2023
Subjects: Child and adolescent development

description: This thesis tested and extended the peer socialization hypothesis, a psychosocial model that identifies the interpersonal and contextual conditions in which pubertal development is linked to delinquent behavior such as alcohol use. Although there is support for the hypothesis in early empirical work, particularly for female adolescents, more recent work has shown mixed results. Furthermore, there are gaps within the peer socialization hypothesis: a) the theory does not discuss if the mediation process pertains to male adolescents, b) it does not address the role of pubertal tempo, and c) it implies, but does not explicitly model, a role for tempo with regards to including other-sex friendships into the friend group. Using the Internet Surveys About You (iSAY) study (n=1020), the peer socialization hypothesis and proposed extensions were tested separately by sex. Female adolescents initiated inclusion of other-sex friends into the friend group earlier than male adolescents. However, there were no observed sex differences in the tempo of other-sex friendships. Female adolescents’ pubertal development was not related to their other-sex friendship development nor was pubertal development and other-sex friendship development related to their alcohol use. Male adolescents’ pubertal timing was associated with the timing of other-sex friendship uptake in that later maturing adolescents displayed earlier initiation of other-sex friendships. Male adolescents’ other-sex friendship development was not related to their alcohol use. Implications of this work are that other-sex friendships may no longer be a context of increased risk for alcohol use for early maturing adolescents and interventions targeting this social context may not be as effective.
Specifying Confluent Processes
Creators: name: Tardieu, Olivier
name: Edwards, Stephen A.
Publisher: name: Columbia University
Year: 2006
Subjects: Computer science

description: We address the problem of specifying concurrent processes that can make local nondeterministic decisions without affecting global system behavior---the sequence of events communicated along each inter-process communication channel. Such nondeterminism can be used to cope with unpredictable execution rates and communication delays. Our model resembles Kahn's, but does not include unbounded buffered communication, so it is much simpler to reason about and implement. After formally characterizing these so-called confluent processes, we propose a collection of operators, including sequencing, parallel, and our own creation, confluent choice, that guarantee confluence by construction. The result is a set of primitive constructs that form the formal basis of a concurrent programming language for both hardware and software systems that gives deterministic behavior regardless of the relative execution rates of the processes. Such a language greatly simplifies the verification task because any correct implementation of such a system is guaranteed to have the same behavior, a property rarely found in concurrent programming environments.
"Teleparallel" Dark Energy
Creators: name: Geng, Chao-Qiang
name: Lee, Chung-Chi
name: Saridakis, Emmanuel N.
name: Wu, Yi-Peng
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Using the "teleparallel" equivalent of General Relativity as the gravitational sector, which is based on torsion instead of curvature, we add a canonical scalar field, allowing for a nonminimal coupling with gravity. Although the minimal case is completely equivalent to standard quintessence, the nonminimal scenario has a richer structure, exhibiting quintessence-like or phantom-like behavior, or experiencing the phantom-divide crossing. The richer structure is manifested in the absence of a conformal transformation to an equivalent minimally-coupled model.
description: 5 pages, 1 figure, Version published in PLB704 (2011) 384-387
"We must be burning film like mad": Exploring Canadian production cultures at Cinepix, 1976-1986.
Creators: name: Arnatt, Mary
Publisher: name: Arts
Year: 2018
Subjects: subject: Canadian film
subject: Canadian cinema
subject: Production Cultures
subject: Media Industry Studies
subject: Cinepix
subject: Canadian media
subject: Cinema
subject: History--Canadian

description: This thesis examines the Canadian production, distribution, and exhibition company Cinépix between the years 1976-1986. Best well-known for their films Valérie (1969), Shivers (1975), Meatballs (1979), and My Bloody Valentine (1981), Cinépix has been neglected in the field of Canadian film studies. This thesis uses the framework of Media Industry Studies, and especially John Caldwell’s research on production culture, examining Cinépix’s previously unused archival material, including original memos, letters, storyboards, scripts, production notes, location documents, and producer’s notes on rushes. Films researched include the previously under- examined Meatballs III (1986), State Park (1988), Ilsa: Harem Keeper of the Oil Sheiks (1976), The Vindicator (1986), and Spacehunter: Adventures in the Forbidden Zone (1983), among others. This research argues that Cinépix’s production cultures were defined through commercial adaptability, independence, masculinity, and most importantly, the concept of the producer, exemplified by the company’s figureheads John Dunning and Andre Link. Through its use of Media Industry Studies approaches, this thesis also presents a new way of conceptualizing Canadian cinema and provokes new research within the discipline.
Unoccupied electronic structure of TiOCl studied by x-ray absorption near-edge spectroscopy
Creators: name: Glawion, Sebastian
name: Haverkort, Maurits W.
name: Berner, Götz
name: Hoinkis, Markus
name: Gavrila, Gianina
name: Kraus, Roberto
name: Knupfer, Martin
name: Sing, Michael
name: Claessen, Ralph
Publisher: name: arXiv
Year: 2011
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We study the unoccupied electronic structure of the spin-1/2 quantum magnet TiOCl by x-ray absorption near-edge spectroscopy (XANES) at the Ti L and O K edges. Data is acquired both in total electron and fluorescence yield mode (TEY and FY, respectively). While only the latter allows to access the unconventional low-temperature spin-Peierls (SP) phase of TiOCl the signal is found to suffer from significant self-absorption in this case. Nevertheless, we conclude from FY data that effects of the SP distortion on the electronic structure are absent within experimental accuracy. The similarity of room-temperature FY and TEY data, the latter not being obscured by self-absorption, allows us to use TEY spectra for comparison with simulations. These are performed by cluster calculations in D$_{4h}$ and D$_{2h}$ symmetries using two different codes. We extract values of the crystal-field splitting (CFS) and parametrize our results in often found notations by Slater, Racah and Butler. In all cases, good agreement with published values from other studies is found.
SATRE – Standardised Architecture for Trusted Research Environments (Kick off)
Creators: name: Chalstrey, Ed
name: Cole, Christian
name: Coleman, Sonya
name: Craddock, Matthew
name: Hetherington, James
name: Kerr, Dermot
name: Li, Simon
name: Madge, Jim
name: O'Donovan, Cian
name: Oldfield, Katie
name: O'Reilly, Martin
name: Sarmiento-Perez, David
name: Sood, Hari
name: Swanepoel, Nel
Publisher: name: Zenodo
Year: 2023
Subjects: satre
dare
tre
trusted research environment
secure research environment
secure development environment
alan turing institute
university of dundee
university college london

description: SATRE and the future UK landscape of Trusted Research Environments Standardised Architecture for Trusted Research Environments (SATRE) is a DARE UK Driver Project to build a reference TRE architecture and an accompanying implementation. DARE UK is a UKRI funded programme running five Driver Projects in 2023. The SATRE team are aiming to bridge gaps between current TRE provisions and move towards a more collaborative and standardised approach to running, deploying and managing TREs. Our priority for the project is to be informed by the needs, wants and aims of the TRE community - including policy makers, builders, operators, users and importantly the general public whose sensitive data are being used within TREs for research for the public good. Driving a standardised architecture for a federated data research environment As we start to deliver the initial stages on the project, we ran two kick-off sessions inviting the TRE community of builders, managers and implementers to share thoughts on our aims, approaches and principles, to help us shape the delivery of the project and ensure our outputs are shaped by a diverse range of voices across the TRE ecosystem.
description: Grant: UK Research and Innovation: SATRE - Standardised Architecture for Trusted Research Environments
Framing academic sources in the United States health care debates 1993 and 2009
Creators: name: Elias, Ryan
Publisher: name: University of British Columbia
Year: 2011

description: Academic sources are among the most potent sources a journalist can bring to bear on a subject, carrying auras of both authority and objectivity. Yet as serious flaws in the media’s coverage of issues like climate change and the health consequences of cigarettes show, they are not always well used. This project is based in the belief that who sources are and how they are portrayed to the public is of at least equal significance to the content of their quotations. It will thus examine the framing of academic sources, the types of information used to explain to readers why a scholar was quoted in a news article. In examining these techniques, it concludes that academia's internal system of validation, peer review, was effectively never taken advantage of in New York Times coverage of health care reform, an extremely high-stakes political topic, during its uptake in the Clinton and Obama administrations. Over the approximately year-long period when health care was at the forefront of the news in 1993-1994 and 2009-2010, academics were framed with their institutional affiliations and broad areas of study, but not by way of their areas of academic specialization or peer-reviewed research on the topics of discussion. As a consequence, it seems likely that readers of the New York Times did not have any reliable metric by which to judge the credibility of academics quoted in the paper on a topic of supreme national interest.
Additional file 8 of In vitro and in vivo efficacy of thiacloprid against Echinococcus multilocularis
Creators: name: Liu, Chuanchuan
name: Fan, Haining
name: Ma, Jie
name: Ma, Lan
name: Ge, Ri-li
Publisher: name: figshare
Year: 2021
Subjects: subject: Biochemistry
subject: Space Science
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Pharmacology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 8: Figure S5. The cell viability of protoscoleces and germinal cells treated with thiacloprid for 1 h. a Survival of protoscoleces after treatment with thiacloprid. To evaluate the survival of protoscoleces, 0.1% eosin staining exclusion method was used. b Mitochondrial probe labeling of living cells.
Colorado water, March/April 2017
Creators: name: Mokry, Melissa
name: Colorado Water Institute, Publisher
Publisher: name: Mountain Scholar
Year: 2017
Subjects: subject: Water resources development -- Colorado
subject: Water use -- Colorado
subject: Water-supply -- Colorado
subject: Water-supply -- Management -- Colorado

description: The newsletter is devoted to highlighting water research and activities at CSU and throughout Colorado.
description: Newsletter of the Colorado Water Center. Theme: Forestry and water.
Microscopic Details of the Integer Quantum Hall Effect in an Anti-Hall Bar
Creators: name: Uiberacker, Christoph
name: Stecher, Christian
name: Oswald, Josef
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Due to the lack of simulation tools that take into account the actual geometry of complicated quantum Hall samples there are lots of experiments that are not yet fully understood. Already some years ago R. G. Mani recorded a shift of the Hall resistance transitions to lower magnetic fields in samples of a Hall bar with embedded anti-Hall bar by using partial gating. We use a Nonequilibrium Network Model (NNM) to simulate this geometry and find qualitative agreement. Fitting the simulated resistance curves to the experimental results we can not only determine the carrier concentration but also obtain an estimate of the screened gating potential and especially the amplitude and lengthscale of potential fluctuations from charge inhomogenities which are not easily accessible by experiment.
A JPEG Decoder in SHIM
Creators: name: Vasudevan, Nalini
name: Edwards, Stephen A.
Publisher: name: Columbia University
Year: 2006
Subjects: Computer science

description: Image compression plays an important role in multimedia systems, digital systems, handheld systems and various other devices. Efficient image processing techniques are needed to make images suitable for use in embedded systems. This paper describes an implementation of a JPEG decoder in the SHIM programming language. SHIM is a software/hardware integration language whose aim is to provide communication between hardware and software while providing deterministic concurrency. The paper shows that a JPEG decoder is a good application and reasonable test case for the SHIM language and illustrates the ease with which conventional sequential decoders can be modified to achieve concurrency.
Realizing bending waveguides with anisotropic epsilon-near-zero metamaterials
Creators: name: Luo, Jie
name: Xu, Ping
name: Chen, Huanyang
name: Hou, Bo
name: Lai, Yun
Publisher: name: arXiv
Year: 2012
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We study metamaterials with an anisotropic effective permittivity tensor in which one component is near zero. We find that such an anisotropic metamaterial can be used to control wave propagation and construct almost perfect bending waveguides with a high transmission rate (>95%). This interesting effect originates in the power flow redistribution by the surface waves on the input and output interfaces, which smoothly matches with the propagating modes inside the metamaterial waveguide. We also find that waves in such anisotropic epsilon-near-zero materials can be reflected by small-sized perfect magnetic conductor defects. Numerical calculations have been performed to confirm the above effects.
Estimates for the energy density of critical points of a class of conformally invariant variational problems
Creators: name: Lamm, Tobias
name: Lin, Longzhi
Publisher: name: arXiv
Year: 2012
Subjects: subject: Analysis of PDEs (math.AP)
subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 35J60, 58E20

description: We show that the energy density of critical points of a class of conformally invariant variational problems with small energy on the unit 2-disk B_1 lies in the local Hardy space h^1(B_1). As a corollary we obtain a new proof of the energy convexity and uniqueness result for weakly harmonic maps with small energy on B_1.
description: 17 pages
Dopaminergic modulation of spinal circuits for walking in the adult mouse
Creators: name: Mayr, Kyle Andrew
Publisher: name: Cumming School of Medicine
Year: 2018
Subjects: subject: Dopamine
subject: Decerebrate
subject: locomotion
subject: central pattern generator
subject: stepping
subject: spinal cord
subject: monoamine
subject: Neuroscience

description: Walking is a stereotyped rhythmic behavior that consists of alternating contractions of flexor and extensor muscles, as well as the left and right hindlimbs. The basic rhythmic pattern underlying locomotion is generated by a central pattern generator network within the lumbar spinal cord. The role of many neurotransmitters and modulators have been studied extensively, but dopamine’s (DA) role in modulating movement at the level of the lumbar spinal cord, is still not fully understood, especially in adult mice. The decerebrate mouse preparation allows us to examine modulation of stepping behaviour in adult mice with reduced descending inputs to the spinal cord, while intrathecally manipulating the lumbar spinal cord. Locomotor activity was measured by recording weight bearing during locomotion and electromyograms (EMG) from the flexor (tibialis anterior) and extensor (gastrocnemius) muscles of the hindlimbs. Our results show that intrathecal application of DA at the lumbar spinal cord increased the duration of locomotor bouts. Intrathecal DA led to an increase in weight bearing, suggesting that DA may promote extensor biased walking. Furthermore, addition of D1-like agonists augmented weight bearing in the decerebrate animal, but not as much as DA alone. Using intact animals intrathecally injected with either DA, or DA antagonists we selectively activated or blocked DA receptor subtypes of the spinal cord. Using the open field test and ladder rung, we quantified the amount of activity, type of activity and scored the skilled steps during locomotion. Our findings show that DA decreased the amount of locomotor activity in the open field but did not have a significant effect on the ladder rung step score. Furthermore, we found that D1-like antagonists reduced locomotor activity (distance, velocity and bouts) while D2-like antagonists did not have a significant impact on open field activity, though there was an increase in errors while crossing the ladder rung. This thesis provides insight into the DAergic contribution to the modulation in adult mouse locomotion and bridges the gap from previous neonatal animal work. It shows that DA can have differential effects dependant on the state of the animal and provides a foundation for future work on DA neuromodulation.
The (Z_2)^3 symmetry of the non-tri-bimaximal pattern for the neutrino mass matrix
Creators: name: Lashin, E. I.
name: Abbas, M.
name: Chamoun, N.
name: Nasri, S.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In view of the recent neutrino oscillation data pointing to a non-vanishing value for the smallest mixing angle ($θ_z$), we derive and find explicit realizations of the $(Z_2)^3$ flavor symmetry which characterizes, for the neutrino mass matrix, uniquely a variant of the tripartite form, originally conceived to lead to the tri-bimaximal mixing with $θ_z=0$, so that to allow now for a non-tri-bimaximal pattern with non-zero $θ_z$. We impose this flavor symmetry in a setting including the charged leptons and we see that it can make room, through higher order terms involving new SM-singlet scalars, for the mass hierarchy of charged leptons. Moreover, within type-I seesaw mechanism augmented with the flavor symmetry, certain patterns occurring in both the Dirac and the Majorana neutrino mass matrices can accommodate all types of mass hierarchies in the effective neutrino mass matrix, but no lepton/baryon asymmetry can be generated. Finally, we discuss how type-II seesaw mechanism, when supplemented with the flavor symmetry, could be used to interpret the observed baryon asymmetry through leptogenesis.
description: 14 pages, 1 table, added references, version to appear in PRD. arXiv admin note: text overlap with arXiv:1008.4064
Additional file 9 of In vitro and in vivo efficacy of thiacloprid against Echinococcus multilocularis
Creators: name: Liu, Chuanchuan
name: Fan, Haining
name: Ma, Jie
name: Ma, Lan
name: Ge, Ri-li
Publisher: name: figshare
Year: 2021
Subjects: subject: Biochemistry
subject: Space Science
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Pharmacology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 9: Figure S6. Metacestode in the abdominal cavity of mice. The black arrows showed metacestodes.
Initiatory and Reactive System Roles in Human Computer Discourse
Creators: name: Matthews, Kevin
Publisher: name: Columbia University
Year: 1985
Subjects: Computer science

description: User interfaces for a variety of computer systems will need to develop more conversational abilities in order to communicate effectively and cooperatively with the user. In particular, such systems need to be able to shift flexibly from asking questions and making requests of the user to answering similar questions and requests from the user. We provide an analysis of the discourse-level, linguistic phenomena involved in such shifts. We further specify the information such an automated system would need to maintain to support this linguistic capability and how it would use the information. We conclude by showing output from an automated student advising program ADVISOR exemplifying a specific case of taking the initiator role to provide unrequested information.
Colorado water, October 2005
Creators: name: Blumanhourst, Gloria
name: Colorado Water Resources Research Institute, Publisher
Publisher: name: Mountain Scholar
Year: 2005
Subjects: subject: Water resources development -- Colorado
subject: Water use -- Colorado
subject: Water-supply -- Colorado
subject: Water-supply -- Management -- Colorado

description: The scope of the newsletter is devoted to enhancing communication between Colorado water users and managers and faculty at the research universities in the state.
description: Newsletter of the Water Center of Colorado State University.
Goryachev-Chaplygin, Kovalevskaya, and Brdička-Eardley-Nappi-Witten pp-waves spacetimes with higher rank Stäckel-Killing tensors
Creators: name: Gibbons, G. W.
name: Rugina, C.
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Mathematical Physics (math-ph)
subject: Differential Geometry (math.DG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Hidden symmetries of the Goryachev-Chaplygin and Kovalevskaya gyrostats spacetimes, as well as the Brdička-Eardley-Nappi-Witten pp-waves are studied. We find out that these spacetimes possess higher rank Stäckel-Killing tensors and that in the case of the pp-wave spacetimes the symmetry group of the Stäckel-Killing tensors is the well-known Newton-Hooke group.
description: 11 pages; accepted for publication in JMP
Bericht über die Tätigkeit der Römisch-Germanischen Kommission in der Zeit vom 1. Januar 1962 bis 31. Dezember 1963
Creators: name: Krämer, Werner
name: Schleiermacher, Wilhelm
Publisher: name: Bericht der Römisch-Germanischen Kommission
Year: 2023

description: Bericht der Römisch-Germanischen Kommission, Bd. 43/44 1962/1963 (1964) Bericht der Römisch-Germanischen Kommission
Integrating Vision and Touch for Object Recognition Tasks
Creators: name: Allen, Peter K.
Publisher: name: Columbia University
Year: 1986
Subjects: Computer science

description: A robotic system for object recognition is described that uses passive stereo vision and active exploratory tactile sensing. The complementary nature of these sensing modalities allows the system to discover the underlying 3-D structure of the objects to be recognized. This structure is embodied in rich, hierarchical, viewpoint-independent 3-D models of the objects which include curved surfaces, concavities and holes. The vision processing provides sparse 3-D data about regions of interest that are then actively explored by the tactile sensor mounted on the end of a six-degree-of-freedom manipulator. A robust, hierarchical procedure has been developed to integrate the visual and tactile data into accurate 3-D surface and feature primitives. This integration of vision and touch provides geometric measures of the surfaces and features that are used in a matching phase to find model objects that are consistent with the sensory data. Methods for verification of the hypothesis are presented, including the sensing of visually occluded areas with the tactile sensor. A number of experiments have been performed using real sensors and real, noisy data to demonstrate the utility of these methods and the ability of such a system to recognize objects that would be difficult for a system using vision alone.
Performance Evaluation of Global Reading of Entire Databases
Creators: name: Pu, Calton
name: Hong, Christine H.
name: Wha, Jae M.
Publisher: name: Columbia University
Year: 1988
Subjects: Computer science

description: Using simulation and probabilistic analysis, we study the performance of an algorithm to read entire databases with locking concurrency control allowing multiple readers or an exclusive writer. The algorithm runs concurrently with the normal transaction processing (on-the-fly) and locks the entities in the database one by one (incremental). The analysis compares different strategies to resolve the conflicts between the global read algorithm and update. Since the algorithm is parallel in nature, its interference with normal transactions is minimized in parallel and distributed databases. A simulation study shows that one variant of the algorithm can read the entire database with very little overhead and interference with the updates.
Irregular sampling and the Radon transform
Creators: name: Pesenson, Isaac
name: Grinberg, Eric
Publisher: name: arXiv
Year: 2011
Subjects: subject: Functional Analysis (math.FA)
subject: FOS: Mathematics

description: In image reconstruction there are techniques that use analytical formulae for the Radon transform to recover an image from a continuum of data. In practice, however, one has only discrete data available. Thus one often resorts to sampling and interpolation methods. This article presents an approach to the inversion of the Radon transform that uses a discrete set of samples which need not be completely regular.
Gut microbiome signatures of extreme environment adaption in Tibetan pig
Creators: name: 赵芳芳(Zhao Fangfang)
Publisher: name: CNGB
Year: 2023
Subjects: Raw sequence reads
Metagenome
Multispecies
Agricultural

description: we performed a metagenomic deep sequencing from 47 freely grazing Tibetan pigs (TPs) and recovered 8210 high-medium MAGs from pig gut microbiota by integrating published gut metagenomes from 287 low-altitude captive pigs (87 from China -CPs and 200 from Europe -EPs). We discovered distinct diversity and functional profiles of gut microbiota in Tibetan pigs compared to both CPs and EPs.
Applications of thermodynamic integration: studying chemical reactions
Creators: name: Jechow, Jason
Publisher: name: University of Calgary
Year: 2008

description: Bibliography: p. 75-79
description: Some pages are in colour.
description: The present work examines the theoretical foundation of thermodynamic integration (TI) and applies it to study chemical reactions. First, a hypotetical chemical reaction is examined to demonstrate that the average force along a constraint in a molecular dynamics simulation is the negative of the derivative of the free energy. Next, the benzyl-isocyanide isomerization and the butene-plus-singlet-oxygen re­action were investigated using TI. For the benzyl-isocyanide isomerization, activation parameters calculated using TI compared well to experiment. Also, thermodynamic properties specific to the phenyl rotation were calculated. For the butene-plus-singlet­oxygen reaction, one methyl group is deuterated. With the linear constraint active in the molecular dynamics, free energy along the path leading to deuterium abstraction was calculated. There exists a barrier for the free energy profile while no such barrier exists for the potential energy profile. Two other reactions are proposed for future research: hydroboration rearrange­ment and the Staudinger reaction.
A Survey of Security Issues and Solutions in Presence
Creators: name: Singh, Vishal
name: Schulzrinne, Henning G.
Publisher: name: Columbia University
Year: 2006
Subjects: Computer science

description: With the growth of presence based services, it is important to securely manage and distribute sensitive presence information such as user location. We survey techniques that are used for security and privacy of presence information. In particular, we describe the SIMPLE based presence specific authentication, integrity and confidentiality. We also discuss the IETF's common policy for geo-privacy, presence authorization for presence information privacy and distribution of different levels of presence information to different watchers. Additionally, we describe an open problem of getting the aggregated presence from the trusted server without the server knowing the presence information, and propose a solution. Finally, we discuss denial of service attacks on the presence system and ways to mitigate them.
Enhanced Superconductivity by Rare-earth Metal-doping in Phenanthrene
Creators: name: Wang, X. F.
name: Luo, X. G.
name: Ying, J. J.
name: Xiang, Z. J.
name: Zhang, S. L.
name: Zhang, R. R.
name: Zhang, Y. H.
name: Yan, Y. J.
name: Wang, A. F.
name: Cheng, P.
name: Ye, G. J.
name: Chen, X. H.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We successfully synthesized La- and Sm-doped phenanthrene powder samples and discovered superconductivity at $T_{\rm c}$ around 6 K in them. The $T_{\rm c}$s are 6.1 K for LaPhenanthrene and 6.0 K for SmPhenanthrene, which are enhanced by about 1 K and 0.5 K compared to those in $A_3$Phenanthrene ($A$=K and Rb) and in $Ae_{1.5}$Phenanthrene ($Ae$ = Sr and Ba) superconductors respectively. The superconductive shielding fractions for LaPhenanthrene and SmPhenanthrene are 46.1%$ and 49.8$%$ at 2 K, respectively. The little effect of the doping of the magnetic ion Sm$^{3+}$ on $T_c$ and the positive pressure dependence coefficient on $T_{\rm c}$ strongly suggests unconventional superconductivity in the doped phenanthrene superconductors. The charge transfer to organic molecules from dopants of La and Sm induces a redshift of 7 cm$^{-1}$ per electron for the mode at 1441 cm$^{-1}$ in the Raman spectra, which is almost the same as those observed in $A_3$Phenanthrene ($A$=K and Rb) and $Ae_{1.5}$Phenanthrene ($Ae$ = Sr and Ba) superconductors.
description: 5 pages, 5 figures
Throughput and Fairness in Random Access Networks
Creators: name: Chang, Hoon
name: Misra, Vishal
name: Rubenstein, Daniel Stuart
Publisher: name: Columbia University
Year: 2006
Subjects: Computer science

description: This paper present an throughput analysis of log-utility and max-min fairness. Assuming all nodes interfere with each other, completely or partially, log-utility fairness significantly enhances the total throughput compared to max-min fairness since the nodes should have the same throughput in max-min fairness. The improvement is enlarged especially when the effect of cumulated interference from multiple senders cannot be ignored.