cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Demuskin groups, Galois modules, and the elementary type conjecture
Creators: name: Labute, John
name: Lemire, Nicole
name: Minac, Jan
name: Swallow, John
Publisher: name: arXiv
Year: 2005
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 12G05; 20E18

description: Let p be a prime and F(p) the maximal p-extension of a field F containing a primitive p-th root of unity. We give a new characterization of Demuskin groups among Galois groups Gal(F(p)/F) when p=2, and, assuming the Elementary Type Conjecture, when p>2 as well. This characterization is in terms of the structure, as Galois modules, of the Galois cohomology of index p subgroups of Gal(F(p)/F).
description: v2 (20 pages); added theorem characterizing decompositions into free and trivial modules; to appear in J. Algebra
The triple-mode pulsating variable V823 Cas
Creators: name: Jurcsik, J.
name: Szeidl, B.
name: Váradi, M.
name: Henden, A.
name: Hurta, Zs.
name: Lakatos, B.
name: Posztobányi, K.
name: Klagyivik, P.
name: Sódor, Á.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Based on extended multicolour CCD photometry of the triple-mode radial pulsator V823 Cas we studied the properties of the coupling frequencies invoked by nonlinear processes. Our results support that a resonance connection as suggested by Antonello & Aikawa (1998) affects the mode coupling behaviour. The P1/P0 period ratio of V823 Cas has an "out of range" value if compared with the period ratios of the known double mode pulsators, while the P2/P1 period ratio is normal. The periods and period ratios cannot be consistently interpret without conflict with pulsation and/or evolution models. We attempt to interpret this failure by the suggestion that at present, the periods of V823 Cas are in a transient, resonance affected state, thus do not reflect the true parameters of the object. The anomalous period change behaviour of the fundamental and second overtone modes supports this idea. We have also raised the possibility that a f0 + f2 = 2f1 resonance may act in triple mode pulsators.
description: 10 pages, 7 figures, 5 tables. Accepted for publication in Astronomy and Astrophysics
A Near-Infrared Spectral Template for Quasars
Creators: name: Glikman, Eilat
name: Helfand, David J.
name: White, Richard L.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present a near-infrared quasar composite spectrum spanning the wavelength range 0.58 - 3.5 um. The spectrum has been constructed from observations of 27 quasars obtained at the NASA IRTF telescope and satisfying the criteria Ks < 14.5 and Mi < -23; the redshift range is 0.118 < z < 0.418. The signal-to-noise is moderate, reaching a maximum of 150 between 1.6 and 1.9 um. While a power-law fit to the continuum of the composite spectrum requires two breaks, a single power-law slope of alpha=-0.92 plus a 1260 K blackbody provides an excellent description of the spectrum from H-alpha to 3.5 um, strongly suggesting the presence of significant quantities of hot dust in this blue-selected quasar sample. We measure intensities and line widths for ten lines, finding that the Paschen line ratios rule out Case B recombination. We compute K-corrections for the J, H, K, and Spitzer 3.6 um bands which will be useful in analyzing observations of quasars up to z=10.
description: 39 pages, 11 figures, accepted for publication in ApJ Spectra will be made available in the online version of the journal, once published. Until then, if you wish to obtain the composite spectrum send an email request to eilatg[at]astro.columbia.edu
Radula (Volutoradula) Devos, M. A. M. Renner, Gradst., A. J. Shaw et Vanderp.
Creators: name: Söderström, Lars
name: Hagborg, Anders
name: Konrat, Matt Von
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Plantae
Bryophyta
Jungermanniopsida
Porellales
Radulaceae
Radula

description: Radula subgen. Volutoradula Devos, M.A.M.Renner, Gradst., A.J.Shaw et Vanderp.,
Taxon 60 (6): 1629, 2011 (see Devos et al. 2011). TYPE: Radula voluta Taylor ex Gottsche, Lindenb. et Nees.
description: Published as part of Söderström, Lars, Hagborg, Anders & Konrat, Matt Von, 2014, Early Land Plants Today: Index of Liverworts & Hornworts 2011 - 2012, pp. 61-85 in Phytotaxa 170 (2) on page 73, DOI: 10.11646/phytotaxa.170.2.1, http://zenodo.org/record/4779611
Combinatorial proof of an identity on Genocchi numbers
Creators: name: Bényi, Beáta
name: Josuat-Vergès, Matthieu
Publisher: name: arXiv
Year: 2020
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: In this note we present a combinatorial proof of an identity involving poly-Bernoulli numbers and Genocchi numbers. We introduce the combinatorial objects, $m-$barred Callan sequences and show that the identity holds in a more general manner.
description: 11 pages
Esser, Wolfgang G. (hrsg.): Zum Religionsunterricht morgen
Creators: name: Hasselhoff, Friedrich
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 20 Nr. 2 (1971): Ökumenische Rundschau, Band 20, Heft 2
A PRIMAL-DUAL ESTIMATOR OF PRODUCTION AND COST FUNCTIONS WITHIN AN ERRORS-IN-VARIABLES CONTEXT
Creators: name: Paris, Quirino
name: Caputo, Michael R.
name: Paris, Quirino
name: Caputo, Michael R.
Publisher: name: Unknown
Year: 2004
Subjects: Research and Development/Tech Change/Emerging Technologies
Research Methods/ Statistical Methods

description: In 1944, Marschak and Andrews published a seminal paper on how to obtain consistent estimates of a production technology. The original formulation of the econometric model regarded the joint estimation of the production function together with the first-order necessary conditions for profit-maximizing behavior. In the seventies, with the advent of econometric duality, the preference seemed to have shifted to a dual approach. Recently, however, Mundlak resurrected the primal-versus-dual debate with a provocative paper titled "Production Function Estimation: Reviving the Primal." In that paper, the author asserts that the dual estimator, unlike the primal approach, is not efficient because it fails to utilize all the available information. In this paper we propose that efficient estimates of the production technology can be obtained only by jointly estimating all the relevant primal and dual relations. Thus, the primal approach of Mundlak and the dual approach of McElroy become special cases of the general specification. In the process of putting to rest the primal-versus-dual debate, we tackle also the nonlinear errors-in-variables problem when all the variables are measured with error. A Monte Carlo analysis of this problem indicates that the proposed estimator is robust to misspecifications of the ratio between error variances.
Thin fillers in the cubical nerves of omega-categories
Creators: name: Steiner, Richard
Publisher: name: arXiv
Year: 2006
Subjects: subject: Category Theory (math.CT)
subject: FOS: Mathematics
subject: 18D05

description: It is shown that the cubical nerve of a strict omega-category is a sequence of sets with cubical face operations and distinguished subclasses of thin elements satisfying certain thin filler conditions. It is also shown that a sequence of this type is the cubical nerve of a strict omega-category unique up to isomorphism; the cubical nerve functor is therefore an equivalence of categories. The sequences of sets involved are in effect the analogues of cubical T-complexes appropriate for strict omega-categories. Degeneracies are not required in the definition of these sequences, but can in fact be constructed as thin fillers. The proof of the thin filler conditions uses chain complexes and chain homotopies.
description: Revised version to appear in Theory and Applications of Categories; changed terminology; additional figures, examples and references; 27 pages
Rectolejeunea devendrae Sushil K. Singh
Creators: name: Söderström, Lars
name: Hagborg, Anders
name: Konrat, Matt Von
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Plantae
Bryophyta
Jungermanniopsida
Porellales
Lejeuneaceae
Rectolejeunea
Rectolejeunea devendrae

description: Rectolejeunea devendrae Sushil K.Singh,
Indian J. Forest. 34 (3): 341, 2011 (see Singh 2011).
TYPE: “ India, West Bengal, Howrah, Indian Botanic Garden, 03 Feb. 2006, S. K. Singh 40062 (holotype-CAL; isotype-ASSAM)”.
description: Published as part of Söderström, Lars, Hagborg, Anders & Konrat, Matt Von, 2014, Early Land Plants Today: Index of Liverworts & Hornworts 2011 - 2012, pp. 61-85 in Phytotaxa 170 (2) on page 73, DOI: 10.11646/phytotaxa.170.2.1, http://zenodo.org/record/4779611
Contact centre staff scheduling at Phillips, Hager & North Investment Management Ltd.
Creators: name: Kim, Ana Maria
Publisher: name: University of British Columbia
Year: 2009

description: Phillips, Hager & North Investment Management Limited is a privately owned company providing investment management services to clients. The company has established a reputation for providing an exceptional level of customer service. In recent years, with the introduction of retail mutual funds, the number of clients has increased dramatically. Clients purchasing mutual funds have more extensive service requirements than the traditional institutional client. A call centre was formed to satisfy the heavier service requirements of mutual fund clients. However, the call centre has been unsuccessful in consistently achieving target service levels. A project was initiated to analyze the call centre's operations and its relationship to service levels. At the onset of the project, the call centre lacked the controls in place to enable targets to be met. A workforce management tool was developed and implemented to provide the call centre with a systemic mechanism for achieving target service levels. The tool has been a used by Contact Centre management to support its proposal to increase resources. Also, it currently being used to generate staff schedules.
Markov-Switching Model Selection Using Kullback-Leibler Divergence
Creators: name: Smith, Aaron D.
name: Naik, Prasad A.
name: Tsai, Chih-Ling
name: Smith, Aaron D.
name: Naik, Prasad A.
name: Tsai, Chih-Ling
Publisher: name: Unknown
Year: 2005
Subjects: Research Methods/ Statistical Methods

description: In Markov-switching regression models, we use Kullback-Leibler (KL) divergence between the true and candidate models to select the number of states and variables simultaneously. In applying Akaike information criterion (AIC), which is an estimate of KL divergence, we find that AIC retains too many states and variables in the model. Hence, we derive a new information criterion, Markov switching criterion (MSC), which yields a marked improvement in state determination and variable selection because it imposes an appropriate penalty to mitigate the over-retention of states in the Markov chain. MSC performs well in Monte Carlo studies with single and multiple states, small and large samples, and low and high noise. Furthermore, it not only applies to Markov-switching regression models, but also performs well in Markov- switching autoregression models. Finally, the usefulness of MSC is illustrated via applications to the U.S. business cycle and the effectiveness of media advertising.
Rectolejeunea truncatilobula C. J. Bastos, J. Bryol.
Creators: name: Söderström, Lars
name: Hagborg, Anders
name: Konrat, Matt Von
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Plantae
Bryophyta
Jungermanniopsida
Porellales
Lejeuneaceae
Rectolejeunea
Rectolejeunea truncatilobula

description: Rectolejeunea truncatilobula C.J.Bastos,
J. Bryol. 34 (2): 144, 2012 (see Bastos 2012a).
TYPE: “ BRAZIL: Bahia, Eunápolis, Estação Veracruz, 16°22′S, 39°10′W, 10 June 1999, S.B. Vilas Bôas-Bastos & C. Bastos 475 (holotype ALCB; isotype SP)”.
description: Published as part of Söderström, Lars, Hagborg, Anders & Konrat, Matt Von, 2014, Early Land Plants Today: Index of Liverworts & Hornworts 2011 - 2012, pp. 61-85 in Phytotaxa 170 (2) on page 73, DOI: 10.11646/phytotaxa.170.2.1, http://zenodo.org/record/4779611
Compact Stars in $f(\mathcal{R,G,T})$ Gravity
Creators: name: Ilyas, M.
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The present work is to introduce a new kind of modified gravitational theory, named as $f(\mathcal{R,G,T})$ (also $f(\mathcal{R,T,G})$) gravity, where $\mathcal{R}$ is the Ricci scalar, $\mathcal{G}$ is Gauss-Bonnet invariant and $\mathcal{T}$ is the trace of the energy-momentum tensor. With the help of different models in this gravity, we investigate some physical features of different relativistic compact stars. For this purpose, we develop the effectively modified field equations, conservation equation, and the equation of motion for test particle. Then, we check the impact of additional force (massive test particle followed by a non-geodesic line of geometry) on compact objects. Furthermore, we took three notable stars named as $Her X-1$, $SAXJ1808.4-3658$ and $4U1820-30$. The physical behavior of the energy density, anisotropic pressures, different energy conditions, stability, anisotropy, and the equilibrium scenario of these strange compact stars are analyzed through various plots. Finally, we conclude that the energy conditions hold, and the core of these stars is so dense.
description: Some changes have been made. " To appear in International Journal of Modern Physics A"
Selektive Wacker-Oxidation von 1,9-Cyclohexadecadien zu 8-Cyclohexadecenon und Funktionalisierungsreaktionen anderer duftstoffrelevanter Substrate
Creators: name: Brunzel, Tom
Publisher: name: Universität Rostock
Year: 2020
Subjects: subject: 540 Chemistry & allied sciences

description: In dieser Arbeit wurde die direkte Oxidation des 1,9-CHDD zu 8-CHD durchgeführt. Mittels Wacker-Oxidation ließ sich das Zielprodukt 8-CHD selektiv unter milden Reaktionsbedingungen darstellen. Darüber hinaus gelang es, das anfänglich anaerobe Oxidationssystem unter Gesichtspunkten „Grüner Chemie“ mit Sauerstoff als finalem Oxidans zu koppeln. Mechanistische Untersuchungen zur Klärung der Ursache für die Katalysatordesaktivierung lassen eine Inhibierung des Katalysators durch das reine (E/E)-1,9-CHDD vermuten und stellen ein großes Problem für das zugrundeliegende Reaktionssystem dar.
The hybrid SQL approach to full-text search
Creators: name: Powell, Alexander
Publisher: name: Zenodo
Year: 2022
Subjects: phrase indexing
SQL database
full-text search
information retrieval

description: Implementing full-text search is generally assumed to require the adoption and configuration of a specialist software product such as ElasticSearch. Experimentation described here indicates that less esoteric approaches are possible. The hybrid SQL approach involves using an indexing script to generate a phrase index that is then loaded into a standard SQL database for querying via a suitable client application. The technique is inexpensive and relatively straightforward, and allows a performant full-text search capability to be implemented with comparative ease.
Rational design of complex phenotype via network models
Creators: name: Gameiro, Marcio
name: Gedeon, Tomas
name: Kepley, Shane
name: Mischaikow, Konstantin
Publisher: name: arXiv
Year: 2020
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics

description: We demonstrate a modeling and computational framework that allows for rapid screening of thousands of potential network designs for particular dynamic behavior. To illustrate this capability we consider the problem of hysteresis, a prerequisite for construction of robust bistable switches and hence a cornerstone for construction of more complex synthetic circuits. We evaluate and rank most three node networks according to their ability to robustly exhibit hysteresis where robustness is measured with respect to parameters over multiple dynamic phenotypes. Focusing on the highest ranked networks, we demonstrate how additional robustness and design constraints can be applied. We compare our results to more traditional methods based on specific parameterization of ordinary differential equation models and demonstrate a strong qualitative match at a small fraction of the computational cost.
Partially Overlapping Time Series: A New Model for Volatility Dynamics in Commodity Futures
Creators: name: Smith, Aaron D.
name: Smith, Aaron D.
Publisher: name: Unknown
Year: 2004
Subjects: subject: Marketing
subject: FOS: Economics and business

description: In commodity futures markets, contracts with various delivery dates trade simultaneously. Applied researchers typically discard the majority of the data and form a single time series by choosing only one price observation per day. This strategy precludes a full understanding of these markets and can induce complicated nonlinear dynamics in the data. In this paper, I introduce the partially overlapping time series (POTS) model to model jointly all traded contracts. The POTS model incorporates time-to-delivery, storability, seasonality, and GARCH effects. I apply the POTS model to corn futures at the Chicago Board of Trade and the results uncover substantial inefficiency associated with delivery on corn futures. The results also support two theories of commodity pricing: the theory of storage and the Samuelson effect.
Halo evolution in the presence of a disc bar
Creators: name: McMillan, Paul J.
name: Dehnen, Walter
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Angular momentum transfer from a rotating stellar bar has been proposed by Weinberg & Katz (2002) as a mechanism to destroy dark-matter cusps in a few rotation periods. The N-body simulations performed by these authors in support of their claim employed spherical harmonics for the force computation and were, as shown by Sellwood (2003), very sensitive to inclusion of asymmetric terms (odd l,m). In order to disentangle possible numerical artifacts due to the usage of spherical harmonics from genuine stellar dynamical effects, we performed similar experiments using a tree code and find that significant cusp destruction requires substantially more angular momentum than is realistically available. However, we find that the simplified model (a N-body halo torqued by a rotating bar pinned to the origin) undergoes an instability in which the cusp moves away from the origin. In presence of this off-centring, spherical density profiles centred on the origin display an apparent cusp-removal. We strongly suspect that it is this effect which Weinberg & Katz observed. When suppressing the artificial instability, cusp removal is very slow and requires much more angular momentum to be transferred to the halo than a realistic stellar bar possibly possesses.
description: 7 pages, 6 figures, accepted for publication in MNRAS
Multiplicity-free Schubert calculus
Creators: name: Thomas, Hugh
name: Yong, Alexander
Publisher: name: arXiv
Year: 2005
Subjects: subject: Combinatorics (math.CO)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14M15, 05E05

description: We give a nonrecursive, combinatorial characterization of multiplicity-free products of Grassmannian Schubert classes. This answers a question of W. Fulton and extends results of J. Stembridge.
description: 14 pages; v2 has updated references and minor edits; accepted to Canadian Bulletin of Math
Export Performance in Papua New Guinea, 1960 to 1999
Creators: name: Fleming, Euan M.
name: Blowes, Anita
name: Fleming, Euan M.
name: Blowes, Anita
Publisher: name: Unknown
Year: 2003
Subjects: subject: International Relations/Trade
subject: export performance
subject: Papua New Guinea
subject: stochastic dominance

description: Stochastic dominance analysis was used to assess export performance in Papua New Guinea from 1960 to 1999. A country with abundant natural resources, Papua New Guinea was able to experience significant growth in total export values throughout the final four decades of the 20th century, with each succeeding decade stochastically dominating the previous one. The expansion of mineral and energy exports from the early 1970s was the major source of this growth. The powerful influence of an expanding minerals and energy sector must nevertheless be of concern in that this sector and other non-agricultural resource sectors comprise mainly extractive or quasi-extractive industries given the production practices that currently exist. Little progress has been made in diversifying into secondary and tertiary exports. Furthermore, prospects for the mineral and energy sectors do not look bright, with a collapse of exploration and development in the mining industry (Duncan 2001:11). Growth also took place in agricultural export values during the study period. However, it was more modest than the growth in resource based non-agricultural exports and confined mainly to the 1960s and 1970s.
Demokratiefeindlichkeit : auch ein Tätigkeitsfeld für die Soziale Arbeit
Creators: name: Bühler, Judith
name: Baier, Dirk
Publisher: name: AvenirSocial
Year: 2023
Subjects: Demokratie
Social Media
Fake News
Information
Verschwörung
Schweiz
Digitalisierung
Soziale Arbeit
Gesellschaft
Diskurs
320: Politik
361: Sozialarbeit und Sozialhilfe

description: Die Demokratiefeindlichkeit wird in der Schweiz sichtbarer. Ein Grund dafür ist das veränderte Informationsverhalten. Was kann die Soziale Arbeit beitragen, um die Demokratie zu stärken bzw. Demokratiefeindlichkeit abzuwehren?
An Overview of the Organic Food Products Market in Australia
Creators: name: Chang,   Hui-Shung (Christie)
name: Griffith, Garry R.
name: Zepeda, Lydia
name: Chang,   Hui-Shung (Christie)
name: Griffith, Garry R.
name: Zepeda, Lydia
Publisher: name: Unknown
Year: 2003
Subjects: subject: Demand and Price Analysis
subject: Food Consumption/Nutrition/Food Safety
subject: Marketing
subject: FOS: Economics and business

description: Worldwide, the demand for organic food products appears to have expanded quickly in recent years, stimulated by consumer perceptions that organic products are safe, clean and ethical. The growth rate was estimated to be around 10-20 per cent per annum in the next few years, with sales reaching $US 29-31 billion in 2005. The biggest growth in consumption has occurred in developed countries, such as the United States, Western Europe, and Japan that are also major importers of organic foods. It is clear that Australia, traditionally a major exporter of agricultural products, stands to benefit from the expansion in demand for organic products. The objective of this paper is to provide an overview of the Australian organic food products industry, including production, marketing and certification of organic foods, with the aim of assessing whether the opportunity presented in the world market will be able to be taken. Major issues facing the Australian organic industry are discussed and areas for future research are identified. Production issues include the small production base and conversion to organic farming, while marketing issues focus on prices and product integrity. When applicable, market situations for organics in Europe and the United States are also reviewed to serve as a reference point for comparison.
Riccardiothallus C. Q. Guo, D. Edwards, P. C. Wu, Duckett, Hueber et C. S. Li
Creators: name: Söderström, Lars
name: Hagborg, Anders
name: Konrat, Matt Von
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Plantae
Marchantiophyta
Jungermanniopsida
Metzgeriales
Aneuraceae
Riccardiothallus

description: † Riccardiothallus C.Q.Guo, D.Edwards, P.C.Wu, Duckett, Hueber et C.S.Li,
Rev. Palaeobot. Palynol. 176–177: 37, 2012 (see Guo et al. 2012). TYPE: Riccardiothallus devonicus C.Q.Guo, D.Edwards, P.C.Wu, Duckett, Hueber et C.S.Li.
description: Published as part of Söderström, Lars, Hagborg, Anders & Konrat, Matt Von, 2014, Early Land Plants Today: Index of Liverworts & Hornworts 2011 - 2012, pp. 61-85 in Phytotaxa 170 (2) on page 73, DOI: 10.11646/phytotaxa.170.2.1, http://zenodo.org/record/4779611
Fast binomial-code holonomic quantum computation with ultrastrong light-matter coupling
Creators: name: Chen, Ye-Hong
name: Qin, Wei
name: Stassi, Roberto
name: Wang, Xin
name: Nori, Franco
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We propose a protocol for bosonic binomial-code nonadiabatic holonomic quantum computation in a system composed of an artificial atom ultrastrongly coupled to a cavity resonator. In our protocol, the binomial codes, formed by superpositions of Fock states, can greatly save physical resources to correct errors in quantum computation. We apply to the system strong driving fields designed by shortcuts-to-adiabatic methods. This reduces the gate time to tens of nanoseconds. Decoherence of the system accumulated over time can be effectively reduced by such a fast evolution. Noise induced by control imperfections can be suppressed by a systematic-error-sensitivity nullification method, thus the protocol is mostly insensitive to such noises. As a result, this protocol can rapidly ($\sim 35$ ns) generate fault-tolerant and high-fidelity ($\gtrsim 98\%$ with experimentally realistic parameters) quantum gates.
description: 15 pages, 7 figures, the manuscript has been accepted for publication as a Regular Article in Physical Review Research
A Cointegration Analysis of Wool Prices
Creators: name: Chang,   Hui-Shung (Christie)
name: Chang,   Hui-Shung (Christie)
Publisher: name: Unknown
Year: 2000
Subjects: subject: Demand and Price Analysis
subject: Livestock Production/Industries
subject: Marketing
subject: FOS: Economics and business
subject: cointegration
subject: error correction model
subject: reserve price scheme
subject: wool marketing.

description: Based on cointegration analysis and monthly data from 1976.8 to 1999.10, a long-run equilibrium relationship was found to exist between prices for wools of 19 to 23 microns, despite the wool Reserve Price Scheme operated until February 1991. Furthermore, the prices for 19, 20 and 21 micron wools were found to be weakly exogenous. The latter result suggested that, although co-integrated, prices for finer wools tended to be less volatile than coarser wools. The implications are that wool producers would enjoy more stable prices by producing finer wools and that cross-hedging is possible given co-movements of prices.
Co‐development and evaluation of the Musculoskeletal Telehealth Toolkit for physiotherapists
Creators: name: Ezzat, Allison
name: King, Matthew
name: De-Oliveira-Silva, Danilo
name: Ferraz Pazzinatto, Marcella
name: Caneiro, JP
name: Gourd, Stephanie
name: McGlasson, Rhona
name: Malliaras, Peter
name: Dennett, Amy
name: Russell, Trevor
name: Kemp, Joanne
name: Barton, Christian
Publisher: name: La Trobe
Year: 2024
Subjects: classificationCode: 420106
subject: Physiotherapy
classificationCode: 4205
subject: Nursing
subject: FOS: Health sciences

description: Introduction: In-person physiotherapy services are not readily available to all individuals with musculoskeletal conditions, especially those in rural regions or with time-intensive responsibilities. The COVID-19 pandemic highlighted that telehealth may facilitate access to, and continuity of care, yet many physiotherapists lack telehealth confidence and training. This project co-developed and evaluated a web-based professional development toolkit supporting physiotherapists to provide telehealth services for musculoskeletal conditions. Methods: A mixed-methods exploratory sequential design applied modified experience-based co-design methods (physiotherapists [n = 13], clinic administrators [n = 2], and people with musculoskeletal conditions [n = 7]) to develop an evidence-informed toolkit. Semi-structured workshops were conducted, recorded, transcribed, and thematically analysed, refining the toolkit prototype. Subsequently, the toolkit was promoted via webinars and social media. The usability of the toolkit was examined with pre-post surveys examining changes in confidence, knowledge, and perceived telehealth competence (19 statements modelled from the theoretical domains framework) between toolkit users (>30 min) and non-users (0 min) using chi-squared tests for independence. Website analytics were summarised. Results: Twenty-two participants engaged in co-design workshops. Feedback led to the inclusion of more patient-facing resources, increased assessment-related visual content, streamlined toolkit organisation, and simplified, downloadable infographics. Three hundred and twenty-nine physiotherapists from 21 countries completed the baseline survey, with 172 (52%) completing the 3-month survey. Toolkit users had greater improvement in knowledge, confidence, and competence than non-users in 42% of statements. Seventy-two percentage of toolkit users said it changed their practice, and 95% would recommend the toolkit to colleagues. During the evaluation period, the toolkit received 5486 total views. Discussion: The co-designed web-based Musculoskeletal Telehealth Toolkit is a professional development resource that may increase physiotherapist's confidence, knowledge, and competence in telehealth.
Riccardiothallus devonicus C. Q. Guo, D. Edwards, P. C. Wu, Duckett, Hueber et C. S. Li
Creators: name: Söderström, Lars
name: Hagborg, Anders
name: Konrat, Matt Von
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Plantae
Marchantiophyta
Jungermanniopsida
Metzgeriales
Aneuraceae
Riccardiothallus
Riccardiothallus devonicus

description: † Riccardiothallus devonicus C.Q.Guo, D.Edwards, P.C.Wu, Duckett, Hueber et C.S.Li,
Rev. Palaeobot. Palynol. 176–177: 37, 2012 (see Guo et al. 2012).
TYPE: “ Holotype: Specimen CBYn9004008 (Plate I, 2). Repository: The specimen is deposited in the Museum of Plant History, Institute of Botany, Chinese Academy of Sciences. Type locality: Zhichang Village, Gumu Town, Wenshan District, Yunnan Province, China. Stratum and age: Posongchong Formation, Early Devonian (Pragian, 407–411 Ma)”.
description: Published as part of Söderström, Lars, Hagborg, Anders & Konrat, Matt Von, 2014, Early Land Plants Today: Index of Liverworts & Hornworts 2011 - 2012, pp. 61-85 in Phytotaxa 170 (2) on page 73, DOI: 10.11646/phytotaxa.170.2.1, http://zenodo.org/record/4779611
An equation-free computational approach for extracting population-level behavior from individual-based models of biological dispersal
Creators: name: Erban, Radek
name: Kevrekidis, Ioannis G.
name: Othmer, Hans G.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Biological Physics (physics.bio-ph)
subject: Computational Physics (physics.comp-ph)
subject: Cell Behavior (q-bio.CB)
subject: FOS: Physical sciences
subject: FOS: Biological sciences

description: The movement of many organisms can be described as a random walk at either or both the individual and population level. The rules for this random walk are based on complex biological processes and it may be difficult to develop a tractable, quantitatively-accurate, individual-level model. However, important problems in areas ranging from ecology to medicine involve large collections of individuals, and a further intellectual challenge is to model population-level behavior based on a detailed individual-level model. Because of the large number of interacting individuals and because the individual-level model is complex, classical direct Monte Carlo simulations can be very slow, and often of little practical use. In this case, an equation-free approach may provide effective methods for the analysis and simulation of individual-based models. In this paper we analyze equation-free coarse projective integration. For analytical purposes, we start with known partial differential equations describing biological random walks and we study the projective integration of these equations. In particular, we illustrate how to accelerate explicit numerical methods for solving these equations. Then we present illustrative kinetic Monte Carlo simulations of these random walks and show a decrease in computational time by as much as a factor of a thousand can be obtained by exploiting the ideas developed by analysis of the closed form PDEs. The illustrative biological example here is chemotaxis, but it could be any random walker which biases its movement in response to environmental cues.
description: 30 pages, submitted to Physica D
Export Performance in Fiji, 1960 to 1999
Creators: name: Fleming, Euan M.
name: Blowes, Anita
name: Fleming, Euan M.
name: Blowes, Anita
Publisher: name: Unknown
Year: 2003
Subjects: subject: International Relations/Trade
subject: export performance
subject: Fiji
subject: stochastic dominance

description: Stochastic dominance analysis was used to assess export performance in Fiji from 1960 to 1999. A country with reasonably abundant resources, Fiji has made effective use of its quite substantial resources to increase total export values significantly over the study period, with an average rate of growth of 2.6 per cent per annum. Non-agricultural exports were the source of this growth, increasing annually by 7.3 per cent. Growth was particularly strong from the late 1980s despite the loss of skills and capital flight in the wake of the May 1987 coup and military takeover. The economy clearly benefited from a policy switch from a trade protectionist policy with a high degree of government intervention to an export-oriented strategy based on private sector-led development. The values of total exports in the 1990s were dominant overall. The values in the 1980s dominated values in the 1960s and 1970s as a result of the expansion of non-agricultural exports. The 1970s stochastically dominated the 1960s clearly and the 1980s dominated the 1970s for non-agricultural exports. Non-agricultural export values continued to expand in the final decade of the study period, rendering overall stochastic dominance of the 1990s over the 1980s and preceding decades. The dominant decade for agricultural exports was the 1970s. However, the increase in agricultural export values during the 1970s was offset by a decline in agricultural export values in the final two decades of the study period such that there was no trend in agricultural export values over the whole study period.
Spin dynamics in bulk MnNiGa and Mn$_{1.4}$Pt$_{0.9}$Pd$_{0.1}$Sn investigated by muon spin relaxation
Creators: name: Wilson, M. N.
name: Hicken, T. J.
name: Gomilšek, M.
name: Štefančič, A.
name: Balakrishnan, G.
name: Loudon, J. C.
name: Twitchett-Harrison, A. C.
name: Pratt, F. L.
name: Telling, M.
name: Lancaster, T.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We report muon spin relaxation and magnetometry studies of bulk Mn$_{1.4}$Pt$_{0.9}$Pd$_{0.1}$Sn and MnNiGa, two materials which have recently been proposed to host topological magnetic states in thin lamella (antiskyrmions for Mn$_{1.4}$Pt$_{0.9}$Pd$_{0.1}$Sn and biskyrmions for MnNiGa), and show spin reorientation transitions in bulk. These measurements shed light on the magnetic dynamics surounding the two magnetic phase transitions in each material. In particular, we demonstrate that the behaviour approaching the higher temperature transition in both samples is best understood by considering a slow decrease in the frequency of dynamics with temperature, rather than the sharp critical slowing down typical of second order transitions. Furthermore, at low temperatures the two samples both show spin dynamics over a broad range of frequencies that persist below the spin reorienation transition. The dynamic behavior we identify gives new insight into the bulk magnetism of these materials that may help underpin the stabilization of the topologically non-trivial phases that are seen in thin lamellae.
description: 9 pages, 6 figures
Salmoperla sylvanica Baumann & Lauck 1987
Creators: name: Stark, Bill P.
name: Baumann, Richard W.
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Plecoptera
Perlodidae
Salmoperla
Salmoperla sylvanica

description: Salmoperla sylvanica Baumann & Lauck (Figs. 1-6) Salmoperla sylvanica Baumann & Lauck, 1987: 827. Description of male and nymph. Salmoperla: Stewart & Stark, 1988:408. Redescription of nymph. Material examined. CALIFORNIA: Humboldt Co.: East Willow Creek drainage, 10 April, 1991, J. Lee, 1 ♀ (reared, emerged 26 June), 2 nymphs (BYUC). Small stream 0.5 miles E Cedar Creek, Hwy. 299, 25 April 1987, B. Stark, R. W. Baumann, C. R. Nelson, S. Wells, 2 nymphs (with eggs)(BPSC). Slide Creek, Hwy 13, south of Fish Lake Campground, 31 May 1991, R. W. Baumann, B. Stark, C. Henderson, 1 ♂ (BYUC). Red Mountain Creek, road to Fish Lake, 19 April 1980, J. Lee, 1 nymph (BYUC). Colusa Co.: Little Stony Creek, 10 miles SW Stonyford, 13 February 1988, W.D. Shepard, 1 nymph (CASC). Female. Brachypterous. Forewing length 16.5 mm. Venation as in Fig. 1. General color and gill formula as in male. Subgenital plate broadly triangular and somewhat nipple-like at tip; apex projects over basal third of sternum 9 (Fig. 2). Sternum 9 clothed with sparse, fine setae; intersegmental membrane posterior to sternum 9 armed with dense, broad microtrichia patch (Fig. 2). Stark, B.P. & R.W. Baumann 2006. The Female and Egg of Salmoperla sylvanica (Plecoptera: Perlodidae). Illiesia, 2(3):24 –26. Available online: http://www2.pms-lj.si/ illiesia / Illiesia 02-03.pdf Egg. Outline, excluding collar, almost spherical to oval. Length (without collar) about 0.45-0.53 mm; diameter about 0.44-0.45 mm (Fig. 3). Collar short (ca. 0.053 mm), narrow (ca. 0.059 mm at midlength), prominently ribbed, slightly flanged around rim, and with an irregularly granular texture (Figs. 3-5); base of collar surrounded by low ridge. Chorion covered throughout with uniformly sized follicle cell impressions (width ca. 0.015 mm); FCI’s with thin low walls and concave impuncate floors (Figs. 5-6). Micropyles set on low turrets (Fig. 6).
description: Published as part of Stark, Bill P. & Baumann, Richard W., 2006, The Female And Egg Of Salmoperla Sylvanica (Plecoptera: Perlodidae), pp. 24-26 in Illiesia 2 (3) on pages 24-25, DOI: 10.5281/zenodo.4754572
description: {"references": ["Baumann, R. W. & D. R. Lauck. 1987. Salmoperla, a new stonefly genus from northern California (Plecoptera: Perlodidae). Proceedings of the Entomological Society of Washington 89: 825 - 830.", "Stewart, K. W. & B. P. Stark. 1988. Nymphs of North American stonefly genera (Plecoptera). Thomas Say Foundation Series, Entomological Society of America 12: 1 - 460."]}
VALUING AGROFORESTRY IN THE PRESENCE OF LAND DEGRADATION
Creators: name: Cacho, Oscar J.
name: Cacho, Oscar J.
Publisher: name: Unknown
Year: 1999
Subjects: subject: Land Economics/Use
subject: agroforestry
subject: land degradation
subject: externalities
subject: dryland salinity

description: Agroforestry can help prevent land degradation while allowing continuing use of land to produce crops and livestock. A problem with the evaluation of agroforestry using long-run static models and traditional discounting techniques is that the present value of the forestry enterprise is generally much lower than that of other production activities. This problem is common with Australian native species which tend to have a high environmental value but a low market value. This paper presents an economic analysis of an agroforestry operation in land prone to degradation and in the presence of positive externalities provided by trees. The value of the land is estimated based on the present value of expected returns in perpetuity under optimal management. Simulation analysis is used to evaluate the loss in land value caused by dryland salinity. A nonlinear programming model is developed and used to study the effects of timber prices and forest planting costs on optimal forest area and the level of salinity. Elasticities of relevant variables with respect to prices and costs are derived and policy implications of results are discussed.
Harvesting in a resource dependent age structured Leslie type population model
Creators: name: Dilao, Rui
name: Domingos, Tiago
name: Shahverdiev, Elman M.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: FOS: Biological sciences

description: We analyse the effect of harvesting in a resource dependent age structured population model, deriving the conditions for the existence of a stable steady state as a function of fertility coefficients, harvesting mortality and carrying capacity of the resources. Under the effect of proportional harvest, we give a sufficient condition for a population to extinguish, and we show that the magnitude of proportional harvest depends on the resources available to the population. We show that the harvesting yield can be periodic, quasi-periodic or chaotic, depending on the dynamics of the harvested population. For populations with large fertility numbers, small harvesting mortality leads to abrupt extinction, but larger harvesting mortality leads to controlled population numbers by avoiding over consumption of resources. Harvesting can be a strategy in order to stabilise periodic or quasi-periodic oscillations in the number of individuals of a population.
description: 26 pages, 4 figures
Observing non-ergodicity due to kinetic constraints in tilted Fermi-Hubbard chains
Creators: name: Scherg, Sebastian
name: Kohlert, Thomas
name: Sala, Pablo
name: Pollmann, Frank
name: Bharath, H. M.
name: Bloch, Immanuel
name: Aidelsburger, Monika
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The thermalization of isolated quantum many-body systems is deeply related to fundamental questions of quantum information theory. While integrable or many-body localized systems display non-ergodic behavior due to extensively many conserved quantities, recent theoretical studies have identified a rich variety of more exotic phenomena in between these two extreme limits. The tilted one-dimensional Fermi-Hubbard model, which is readily accessible in experiments with ultracold atoms, emerged as an intriguing playground to study non-ergodic behavior in a clean disorder-free system. While non-ergodic behavior was established theoretically in certain limiting cases, there is no complete understanding of the complex thermalization properties of this model. In this work, we experimentally study the relaxation of an initial charge-density wave and find a remarkably long-lived initial-state memory over a wide range of parameters. Our observations are well reproduced by numerical simulations of a clean system. Using analytical calculations we further provide a detailed microscopic understanding of this behavior, which can be attributed to emergent kinetic constraints.
description: accepted in Nature Communications
Nonlinear k_\perp-factorization for Gluon-Gluon Dijets Produced off Nuclear Targets
Creators: name: Nikolaev, N. N.
name: Schäfer, W.
name: Zakharov, B. G.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The origin of the breaking of conventional linear k_\perp-factorization for hard processes in a nuclear environment is by now well established. The realization of the nonlinear nuclear k_\perp-factorization which emerges instead was found to change from one jet observable to another. Here we report on an important technical progress, the evaluation of the four-gluon color dipole cross section operator. It describes the coupled seven-channel non-Abelian intranuclear evolution of the four-gluon color-singlet states. An exact diagonalization of this seven-channel problem is possible for large number of colors N_c and allows a formulation of nonlinear k_\perp-factorization for production of gluon-gluon dijets. The momentum spectra for dijets in all possible color representations are reported in the form of explicit quadratures in terms of the collective nuclear unintegrated glue. Our results fully corroborate the concept of universality classes.
description: 53 pages, 9 figures, a few typos fixed
Short GRBs in old populations: Magnetars from WD-WD mergers
Creators: name: Levan, Andrew J.
name: Wynn, Graham A.
name: Chapman, Robert
name: Davies, Melvyn B.
name: King, Andrew R.
name: Priddey, Robert S.
name: Tanvir, Nial R.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Recent progress on the nature of short duration gamma-ray bursts has shown that a fraction of them originate in the local universe. These systems may well be the result of giant flares from soft gamma-repeaters (highly magnetized neutron stars commonly known as magnetars). However, if these neutron stars are formed via the core collapse of massive stars then it would be expected that the bursts should originate from predominantly young stellar populations, while correlating the positions of BATSE short bursts with structure in the local universe reveals a correlation with all galaxy types, including those with little or no ongoing star formation. This is a natural outcome if, in addition to magnetars formed via the core collapse of massive stars they also form via Accretion Induced Collapse following the merger of two white dwarfs, one of which is magnetic. We investigate this possibility and find that the rate of magnetar production via WD-WD mergers in the Milky Way is comparable to the rate of production via core-collapse. However, while the rate of production of magnetars by core collapse is proportional to the star formation rate, the rate of production via WD-WD mergers (which have long lifetimes) is proportional to the stellar mass density, which is concentrated in early-type systems. Therefore magnetars produced via WD-WD mergers may produce SGR giant flares which can be identified with early type galaxies. We also comment on the possibility that this mechanism could produce a fraction of the observed short duration burst population at higher redshift.
description: 5 pages, 4 figures. Accepted for publication in MNRAS
Management Options for the Inland Fisheries Resource in South Sumatra, Indonesia: I Bioeconomic Model
Creators: name: Koeshendrajana, Sonny
name: Cacho, Oscar J.
name: Koeshendrajana, Sonny
name: Cacho, Oscar J.
Publisher: name: Unknown
Year: 2001
Subjects: subject: Resource /Energy Economics and Policy
subject: smallholder fisheries
subject: bioeconomic analysis
subject: Inland fisheries
subject: Indonesia
subject: Sumatra

description: The inland fishery in South Sumatra, Indonesia, is an important source of income, employment and protein to small-scale fishers. Some overall indicators, such as virtual disappearance of certain important species and continuous reduction in the size of harvested fish, indicate that the fishery is not being exploited on a sustainable basis. In this study, an evaluation of the status of the existing fish stock is undertaken, and an analytical model for identifying efficient levels of exploitation of the fishery is developed. Primary data are used to describe the current costs of fishing effort. Secondary data, combined with results of analysis of primary data, are then used to derive a supply function for the fishery. Different types of fishing gear are standardised into a single type of fishing unit, and mixed species of harvested fish are treated as an aggregated fish stock. Empirical results reveal that both riverine and swamp fisheries in South Sumatra were biologically and economically over-fished during the period of study. This implies that regulation is required to reduce the level of fishing effort.