cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Pseudo-Bag Mixup Augmentation for Multiple Instance Learning-Based Whole Slide Image Classification
Creators: name: Liu, Pei
name: Ji, Luping
name: Zhang, Xinyu
name: Ye, Feng
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Given the special situation of modeling gigapixel images, multiple instance learning (MIL) has become one of the most important frameworks for Whole Slide Image (WSI) classification. In current practice, most MIL networks often face two unavoidable problems in training: i) insufficient WSI data and ii) the sample memorization inclination inherent in neural networks. These problems may hinder MIL models from adequate and efficient training, suppressing the continuous performance promotion of classification models on WSIs. Inspired by the basic idea of Mixup, this paper proposes a new Pseudo-bag Mixup (PseMix) data augmentation scheme to improve the training of MIL models. This scheme generalizes the Mixup strategy for general images to special WSIs via pseudo-bags so as to be applied in MIL-based WSI classification. Cooperated by pseudo-bags, our PseMix fulfills the critical size alignment and semantic alignment in Mixup strategy. Moreover, it is designed as an efficient and decoupled method, neither involving time-consuming operations nor relying on MIL model predictions. Comparative experiments and ablation studies are specially designed to evaluate the effectiveness and advantages of our PseMix. Experimental results show that PseMix could often assist state-of-the-art MIL networks to refresh their classification performance on WSIs. Besides, it could also boost the generalization performance of MIL models in special test scenarios, and promote their robustness to patch occlusion and label noise. Our source code is available at https://github.com/liupei101/PseMix.
description: 12 pages, 6 figures, 10 tables
COMPETITIVENESS AND COMPARATIVE ADVANTAGE OF TREE CROP SMALLHOLDINGS IN PAPUA NEW GUINEA
Creators: name: Kannapiran, Chinna A.
name: Fleming, Euan M.
name: Kannapiran, Chinna A.
name: Fleming, Euan M.
Publisher: name: Unknown
Year: 1999
Subjects: subject: Crop Production/Industries
subject: International Relations/Trade
subject: comparative advantage
subject: competitiveness
subject: devaluation
subject: traded goods
subject: tree crops

description: The contribution by tree crop industries to economic development in Papua New Guinea (PNG) depends to a considerable extent on their economic efficiency in terms of competitiveness and comparative advantage of domestic production and export marketing. These advantages for the four major tree crop products - coffee, coconut, cocoa, and palm oil - are analysed in this study. The aim is to ascertain whether PNG is an efficient producer of these tree crop exports in terms of international competitiveness and comparative advantage, and whether these industries deserve continuing government support.
A Double-Mode RR Lyrae Star with a Strong Fundamental Mode Component
Creators: name: Oaster, Lindsay
name: Smith, Horace A.
name: Kinemuchi, Karen
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: NSVS 5222076, a thirteenth magnitude star in the Northern Sky Variability Survey, was identified by Oaster as a possible new double-mode RR Lyrae star. We confirm the double-mode nature of NSVS 5222076, supplementing the survey data with new V band photometry. NSVS 5222076 has a fundamental mode period of 0.4940 day and a first overtone period of 0.3668 day. Its fundamental mode light curve has an amplitude twice as large as that of the first overtone mode, a ratio very rarely seen. Data from the literature are used to discuss the location in the Petersen diagram of double-mode RR Lyrae stars having strong fundamental mode pulsation. Such stars tend to occur toward the short period end of the Petersen diagram, and NSVS 5222976 is no exception to this rule.
description: 14 pages, 4 figures, To be published in the March, 2006, issue of PASP
Public land-use planning for sustainable development in British Columbia : as if implementation mattered
Creators: name: Nelson, Chad Gregory
Publisher: name: University of British Columbia
Year: 2009

description: This study explored the nature of barriers to the implementation of sustainable development planning on Vancouver Island as perceived by land use planners. The study provides insights into strategies that planners see as useful when faced with barriers to planning for sustainable development. Recent planning literature suggested the three categories of planning employed throughout the study: political, institutional and public. Qualitative methods were used because of their strengths for producing insights into planners' decision-making in the context of their everyday work situations. The methods were also suggested by a review of planning literature and other relevant descriptive studies recently completed in the study region. The principal method used in this exploratory and inductive study was in-depth, personal interviews in which open-ended questions were asked of twenty practicing regional and city public planners from five regional districts on Vancouver Island. Respondents noted 133 challenges. These were analyzed and synthesized into 20 categories. These categories of challenges ranged from planners lacking professional credibility with elected officials and the public to institutionalized conflicts within and between municipal and provincial government departments. Respondents noted 73 planning strategies that were found to be comprised by 16 categories. The categories of strategies ranged from increasing public trust in planning through using multiple, optimal means of public consultation, to fostering interagency coordination, and educating elected officials. Possible explanations are discussed as to why respondents identified relatively few challenges and strategies explicitly related to sustainable development planning. Concluding implications are offered for professionals and agencies involved with public planning.
Understanding How Dimension Reduction Tools Work: An Empirical Approach to Deciphering t-SNE, UMAP, TriMAP, and PaCMAP for Data Visualization
Creators: name: Wang, Yingfan
name: Huang, Haiyang
name: Rudin, Cynthia
name: Shaposhnik, Yaron
Publisher: name: arXiv
Year: 2020
Subjects: subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: Dimension reduction (DR) techniques such as t-SNE, UMAP, and TriMAP have demonstrated impressive visualization performance on many real world datasets. One tension that has always faced these methods is the trade-off between preservation of global structure and preservation of local structure: these methods can either handle one or the other, but not both. In this work, our main goal is to understand what aspects of DR methods are important for preserving both local and global structure: it is difficult to design a better method without a true understanding of the choices we make in our algorithms and their empirical impact on the lower-dimensional embeddings they produce. Towards the goal of local structure preservation, we provide several useful design principles for DR loss functions based on our new understanding of the mechanisms behind successful DR methods. Towards the goal of global structure preservation, our analysis illuminates that the choice of which components to preserve is important. We leverage these insights to design a new algorithm for DR, called Pairwise Controlled Manifold Approximation Projection (PaCMAP), which preserves both local and global structure. Our work provides several unexpected insights into what design choices both to make and avoid when constructing DR algorithms.
Lejeunea squarrosa Y. M. Wei et R. L. Zhu
Creators: name: Söderström, Lars
name: Hagborg, Anders
name: Konrat, Matt Von
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Plantae
Bryophyta
Jungermanniopsida
Porellales
Lejeuneaceae
Lejeunea
Lejeunea squarrosa

description: ** Lejeunea squarrosa (Steph.) Y.M.Wei et R.L.Zhu,
Nat. Symp. Bryol. Abstr.: 26–27, 2011, nom. inval. (ICN Art. 41.5; basionym not cited (see Wei & Zhu 2011; non vidi). BASIONYM: Strepsilejeunea squarrosa Steph., Hedwigia 35 (3): 130, 1896 (see Stephani 1896).
NOTE: Name not available in Lejeunea.
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 70, DOI: 10.11646/phytotaxa.170.2.1, http://zenodo.org/record/4779611
Danielsmeyer, Werner (hrsg.): Der Friedensdienst der Christen
Creators: name: Beckmann, Klaus-Martin
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 20 Nr. 3 (1971): Ökumenische Rundschau, Band 20, Heft 3
Group classification of systems of non-linear reaction-diffusion equations with general diffusion matrix. III. Triangular diffusion matrix
Creators: name: Nikitin, A. G.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 35K05; 35K55; 35Q55

description: Group classification of systems of two coupled nonlinear reaction-diffusion equation with a general diffusion matrix started in papers math-ph/0411027,, math-ph/0411028 is completed in present paper where all non-equivalent equations with triangular diffusion matrix are classified. In addition, symmetries of diffusion systems with nilpotent diffusion matrix and additional first order derivative terms are described.
description: 24 pages, 10 tables
Fusing electrical and elasticity imaging
Creators: name: Hauptmann, Andreas
name: Smyl, Danny
Publisher: name: arXiv
Year: 2020
Subjects: subject: Medical Physics (physics.med-ph)
subject: Computational Engineering, Finance, and Science (cs.CE)
subject: Numerical Analysis (math.NA)
subject: Signal Processing (eess.SP)
subject: Optimization and Control (math.OC)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences
subject: FOS: Mathematics
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Electrical and elasticity imaging are promising modalities for a suite of different applications including medical tomography, non-destructive testing, and structural health monitoring. These emerging modalities are capable of providing remote, non-invasive, and low cost opportunities. Unfortunately, both modalities are severely ill-posed nonlinear inverse problems, susceptive to noise and modelling errors. Nevertheless, the ability to incorporate complimentary data sets obtained simultaneously offers mutually-beneficial information. By fusing electrical and elastic modalities as a joint problem we are afforded the possibility to stabilise the inversion process via the utilisation of auxiliary information from both modalities as well as joint structural operators. In this study, we will discuss a possible approach to combine electrical and elasticity imaging in a joint reconstruction problem giving rise to novel multi-modality applications for use in both medical and structural engineering.
Crushing of interstellar gas clouds in supernova remnants. I. The role of thermal conduction and radiative losses
Creators: name: Orlando, S.
name: Peres, G.
name: Reale, F.
name: Bocchino, F.
name: Rosner, R.
name: Plewa, T.
name: Siegel, A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We model the hydrodynamic interaction of a shock wave of an evolved supernova remnant with a small interstellar gas cloud like the ones observed in the Cygnus loop and in the Vela SNR. We investigate the interplay between radiative cooling and thermal conduction during cloud evolution and their effect on the mass and energy exchange between the cloud and the surrounding medium. Through the study of two cases characterized by different Mach numbers of the primary shock (M = 30 and 50, corresponding to a post-shock temperature $T\approx 1.7\times 10^6$ K and $\approx 4.7\times 10^6$ K, respectively), we explore two very different physical regimes: for M = 30, the radiative losses dominate the evolution of the shocked cloud which fragments into cold, dense, and compact filaments surrounded by a hot corona which is ablated by the thermal conduction; instead, for M = 50, the thermal conduction dominates the evolution of the shocked cloud, which evaporates in a few dynamical time-scales. In both cases we find that the thermal conduction is very effective in suppressing the hydrodynamic instabilities that would develop at the cloud boundaries.
description: 18 pages, 11 figures, A&A in press, full res. paper at http://www.astropa.unipa.it/Library/OAPA_preprints/orl_AA_2896.ps.gz
PROFITABILITY OF INCREMENTAL GENERIC PROMOTION EXPENDITURE BY AUSTRALIAN DAIRY FARMERS
Creators: name: Hill, Debbie J.
name: Piggott, Roley R.
name: Griffith, Garry R.
name: Hill, Debbie J.
name: Piggott, Roley R.
name: Griffith, Garry R.
Publisher: name: Unknown
Year: 1999
Subjects: subject: Livestock Production/Industries
subject: Marketing
subject: FOS: Economics and business
subject: generic promotion
subject: dairy
subject: equilibrium displacement modelling

description: The motivation for this study rests on two factors. First, Australian dairy farmers spend around $20 million annually on generic promotion and estimates of the returns from this expenditure are required to facilitate efficient investment decisions. Second, while the Australian dairy industry is currently highly regulated despite a substantial reduction in assistance over the past decade, manufacturing milk subsidies are to be eliminated by 2000 and market milk regulations are being reviewed. The profit potential of promotion may vary with the degree of regulation, so past estimates of the returns from promotion may not hold in the competitive environment of the future. Hence, the aim of this study is to examine the effects of government intervention on the profitability for dairy farmers of incremental changes in generic dairy promotion expenditure using a perfectly competitive market as a reference point. Competitive market price and quantity outcomes for the Australian dairy industry are estimated. The impacts of increments in dairy product and competing product generic promotion expenditures on dairy farmers' profits are assessed using equilibrium displacement modelling. Finally, graphical procedures are used to examine the effects of dairy industry regulation on the profitability of dairy promotion.
Release properties of plasma polymeric coated polymer films and adhesive strength of transferred polyurethane coatings to fiber-reinforced thermosets
Creators: name: Scheller, Joachim
name: Brenner, Thorben
name: Ott, Matthias
name: Fladung, Thorsten
name: Baur, Pascal Joel
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Biophysics
subject: Space Science
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Plant Biology

description: An investigation of plasma-polymeric coatings on stretchable polymer films utilizing hexamethyldisiloxane and oxygen has been performed. The influence of the plasma parameters on release properties to polyurethane paints as well as the unpreventable transfer of traces of plasma-polymeric coatings to paints or thermosets were investigated. The elemental composition and physical properties have been analyzed using contact angle measurement and X-ray photoelectron spectroscopy (XPS) with peak fitting. The release properties of the coatings are discussed. The results show that a higher ratio of oxygen to hexamethyldisiloxane during the plasma process leads to an increase of peel forces to polyurethane paints. The XPS shows that the transfer of plasma coating to the paint is on average below 0.4 at% of silicon, which is below the critical fraction of 2 at% silicon reported in the literature. Therefore, the clear-coat paint shows no difference in its adhesion to thermosets between untreated and pretreated surfaces.
Entanglement entropy of a Rarita-Schwinger field in a sphere
Creators: name: Benedetti, Valentin
name: Daguerre, Lucas
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study the universal logarithmic coefficient of the entanglement entropy (EE) in a sphere for free fermionic field theories in a $d=4$ Minkowski spacetime. As a warm-up, we revisit the free massless spin-$1/2$ field case by employing a dimensional reduction to the $d=2$ half-line and a subsequent numerical real-time computation on a lattice. Surprisingly, the area coefficient diverges for a radial discretization but is finite for a geometric regularization induced by the mutual information. The resultant universal logarithmic coefficient $-11/90$ is consistent with the literature. For the free massless spin-$3/2$ field, the Rarita-Schwinger field, we also perform a dimensional reduction to the half-line. The reduced Hamiltonian coincides with the spin-$1/2$ one, except for the omission of the lowest total angular momentum modes. This gives a universal logarithmic coefficient of $-71/90$. We discuss the physical interpretation of the universal logarithmic coefficient for free higher spin field theories without a stress-energy tensor.
description: 19 pages + Appendices, 4 figures
Infrared Gluon Propagator from lattice QCD: results from large asymmetric lattices
Creators: name: Silva, P. J.
name: Oliveira, O.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The infrared limit of the lattice Landau gauge gluon propagator is studied. We show that the lattice data is compatible with the pure power law $(q^2)^{2 κ}$ solution of the Dyson-Schwinger equations. Using various lattice volumes, the infinite volume limit for the exponent $κ$ is measured. Although, the results allow $κ= 0.498 - 0.525$, the lattice data favours $κ\sim 0.52$, which would imply a vanishing zero momentum gluon propagator.
description: Final version to appear in Phys Rev D
Lejeunea venezuelana R. L. Zhu et W. Ye, J. Syst. Evol.
Creators: name: Söderström, Lars
name: Hagborg, Anders
name: Konrat, Matt Von
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Plantae
Bryophyta
Jungermanniopsida
Porellales
Lejeuneaceae
Lejeunea
Lejeunea venezuelana

description: Lejeunea venezuelana (R.M.Schust.) R.L.Zhu et W.Ye,
J. Syst. Evol. 51 (4): 473, 2013 [2012] (see Ye et al. 2013). BASIONYM: Cyrtolejeunea venezuelana R.M.Schust., Phytologia 39 (6): 426, 1978 (see Schuster 1978b).
NOTE: The combination was invalidly published twice prior to the valid publication (Zhu et al. 2011b: 46, Ye & Zhu 2012: 85; non vidi).
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 70, DOI: 10.11646/phytotaxa.170.2.1, http://zenodo.org/record/4779611
Quantum Gravity induced Lorentz invariance violation in the Standard Model:hadrons
Creators: name: Alfaro, Jorge
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The most important problem of fundamental Physics is the quantization of the gravitational field. A main difficulty is the lack of available experimental tests that discriminate among the theories proposed to quantize gravity. Recently we showed that the Standard Model(SM) itself contains tiny Lorentz invariance violation(LIV) terms coming from QG. All terms depend on one arbitrary parameter $α$ that set the scale of QG effects. In this paper we obtain the LIV for mesons and nucleons and apply it to study several effects, including the GZK anomaly.
description: latex, 16 pages
An Analysis of Scope Economies and Specialisation Efficiencies Among Thai Shrimp and Rice Smallholders
Creators: name: Mekhora, Thamrong
name: Fleming, Euan M.
name: Mekhora, Thamrong
name: Fleming, Euan M.
Publisher: name: Unknown
Year: 2004
Subjects: subject: Crop Production/Industries
subject: Farm Management
subject: Livestock Production/Industries
subject: scope economies
subject: specialisation efficiencies
subject: input distance function
subject: Thailand
subject: smallholders
subject: technical efficiency

description: Smallholders increasingly combine shrimp culture with the more traditional rice enterprise in regions of Thailand suitable for raising shrimps. They can exploit cost complementarities in production by combining activities in these enterprises within their farming systems. At the same time, it makes them more susceptible to on-farm negative externalities between rice and shrimp production, in both directions, causing scope diseconomies. A stochastic input distance model is estimated using data on shrimp and rice production by 52 smallholder households. Results from the estimated model are used to establish whether scope economies or diseconomies exist and whether specialisation in either shrimp or rice production significantly influences technical efficiency on the sampled smallholdings. Significant scope economies were found to exist between the two enterprises among best-practice smallholders but they were offset by diversification inefficiencies beneath the frontier. Hence, specialisation in one of the two enterprises has two effects on productivity that operate in opposite directions. The first effect is a negative impact on productivity via loss of scope economies. The second effect is an increase in productivity by reaping specialisation efficiencies or, put another way, avoidance of diversification inefficiencies. If on-farm negative externalities between rice and shrimp production do exist, they appear to be strongly outweighed by cost complementarities on the frontier. It is likely that 'best-practice' smallholders are able to 'internalise' the negative externalities in both directions to a substantial degree. They achieve this 'internalisation' by regular use of fresh water in a semi-closed pond system of shrimp production that minimises pond contamination and protects them from the activities of surrounding producers who discharge effluent into the waterways or whose shrimp suffer from diseases. In addition to the degree of enterprise specialisation, the level of schooling of the household head and the tenure system in shrimp and rice production were identified as variables that significantly influence technical inefficiency. As expected, higher education is associated with lower technical inefficiency. Tenancy is also associated with lower technical inefficiency. Results indicate that a small but significant level of technical inefficiency exists, which means there is limited opportunity to expand crop output without resort to greater use of factor inputs or the introduction of improved production technologies.
IRS-Aided Overloaded Multi-Antenna Systems: Joint User Grouping and Resource Allocation
Creators: name: Gao, Ying
name: Wu, Qingqing
name: Chen, Wen
name: Liu, Yang
name: Li, Ming
name: da Costa, Daniel Benevides
Publisher: name: arXiv
Year: 2023
Subjects: subject: Information Theory (cs.IT)
subject: Signal Processing (eess.SP)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: This paper studies an intelligent reflecting surface (IRS)-aided multi-antenna simultaneous wireless information and power transfer (SWIPT) system where an $M$-antenna access point (AP) serves $K$ single-antenna information users (IUs) and $J$ single-antenna energy users (EUs) with the aid of an IRS with phase errors. We explicitly concentrate on overloaded scenarios where $K + J > M$ and $K \geq M$. Our goal is to maximize the minimum throughput among all the IUs by optimizing the allocation of resources (including time, transmit beamforming at the AP, and reflect beamforming at the IRS), while guaranteeing the minimum amount of harvested energy at each EU. Towards this goal, we propose two user grouping (UG) schemes, namely, the non-overlapping UG scheme and the overlapping UG scheme, where the difference lies in whether identical IUs can exist in multiple groups. Different IU groups are served in orthogonal time dimensions, while the IUs in the same group are served simultaneously with all the EUs via spatial multiplexing. The two problems corresponding to the two UG schemes are mixed-integer non-convex optimization problems and difficult to solve optimally. We propose efficient algorithms for these two problems based on the big-M formulation, the penalty method, the block coordinate descent, and the successive convex approximation. Simulation results show that: 1) the non-robust counterparts of the proposed robust designs are unsuitable for practical IRS-aided SWIPT systems with phase errors since the energy harvesting constraints cannot be satisfied; 2) the proposed UG strategies can significantly improve the max-min throughput over the benchmark schemes without UG or adopting random UG; 3) the overlapping UG scheme performs much better than its non-overlapping counterpart when the absolute difference between $K$ and $M$ is small and the EH constraints are not stringent.
description: 30 pages, submitted to IEEE for possible publication
The Demand for Beef in Indonesia: Implications for Australian Agribusiness
Creators: name: Doran, Howard E.
name: O'Donnell, Christopher J.
name: Griffith, Garry R.
name: Chang,   Hui-Shung (Christie)
name: Hutasuhut, Maradoli
name: Doran, Howard E.
name: O'Donnell, Christopher J.
name: Griffith, Garry R.
name: Chang,   Hui-Shung (Christie)
name: Hutasuhut, Maradoli
Publisher: name: Unknown
Year: 2001
Subjects: subject: Demand and Price Analysis
subject: Food Consumption/Nutrition/Food Safety
subject: Livestock Production/Industries
subject: beef demand
subject: almost ideal demand system
subject: commodity aggregation

description: Meat consumption and socio-demographic data from the 1990, 1993 and 1996 SUSENAS Household Food Expenditure and Consumption Surveys were employed to estimate the demand for meats in Indonesia. The focus was on the Provinces of DKI Jakarta and West Java where about one-fourth of the Indonesian population reside. Statistical and econometric procedures were used to aggregate the 16 meat types recorded in the SUSENAS into four Meat Groups. They were then used to estimate the Linear Approximation of the Almost Ideal Demand System (LA/AIDS) model, taking into account zero observations and the restrictions on budget shares. The demand for Meat Group 1 (with the dominant meat, beef) is income-inelastic, whereas for Meat Group 2 (with the dominant meat, commercial and native chicken) it is income-elastic. These two groups comprise nearly 95 per cent of all meat purchases. The estimated own-price elasticity of the beef group is -0.92, while that for the chicken group is -1.09. The cross-price elasticities indicate that all the meat groups are substitute goods, as expected. The results suggest that the current focus of the Indonesian government on strengthening the domestic poultry industry is well placed, as the demand for chicken is likely to respond more quickly to income growth than the demand for beef. Further, consumers seem more likely to adapt their chicken consumption patterns to price changes than they do for beef. However, these differences are relatively minor and there is still a major opportunity for Australian agribusiness firms in the cattle and beef sectors to take advantage of the projected rapid growth in Indonesian beef demand.
Single-qubit rotations in 2D optical lattices with multi-qubit addressing
Creators: name: Joo, Jaewoo
name: Lim, Yuan Liang
name: Beige, Almut
name: Knight, Peter L.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Optical lattices with one atom on each site and interacting via cold controlled collisions provide an efficient way to entangle a large number of qubits with high fidelity. It has already been demonstrated experimentally that this approach is especially suited for the generation of cluster states [O. Mandel et al., Nature 425, 937 (2003)] which reduce the resource requirement for quantum computing to the ability to perform single-qubit rotations and qubit read out. In this paper, we describe how to implement these rotations in 1D and 2D optical lattices without having to address the atoms individually with a laser field.
description: 9 pages, 6 figures, revised version, references added
Two Color QCD beyond the BEC regime
Creators: name: Hands, Simon
name: Kim, Seyong
name: Skullerud, Jon-Ivar
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We present results of simulations of Two Color QCD using two flavors of Wilson quark in the fundamental representation, at non-zero quark chemical potential mu, on an 8^3x16 lattice. Results for the quark number density, quark and gluon energy densities, and superfluid condensate are qualitatively distinct from the behaviour expected on the assumption that the dominant degrees of freedom are tightly bound scalar diquarks which Bose condense; rather the scaling with mu is more suggestive of a Fermi surface disrupted by a Cooper pair condensate. We also present evidence both for screening of the static potential, and color deconfinement, arising solely as a result of a non-zero quark density.
description: 6 pages, contributed poster at Lattice 2005, Non-zero temperature and density
Disorder-free localisation in continuous-time quantum walks : Role of symmetries
Creators: name: Balachandran, A. P.
name: Kundalpady, Anjali
name: Padmanabhan, Pramod
name: Sinha, Akash
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate the phenomenon of disorder-free localisation in quantum systems with global permutation symmetry. We use permutation group theory to systematically construct permutation symmetric many-fermion Hamiltonians and interpret them as generators of continuous-time quantum walks. When the number of fermions is very large we find that all the canonical basis states localise at all times, without the introduction of any disorder coefficients. This time-independent localisation is not the result of any emergent disorder distinguishing it from existing mechanisms for disorder-free localisation. Next we establish the conditions under which the localisation is preserved. We find that interactions that preserve and break the global permutation symmetry sustains localisation. Furthermore the basis states of systems with reduced permutation symmetry, localise even for a small number of fermions when the symmetry-reducing parameters are tuned accordingly. We show that similar localisation also occurs for a permutation symmetric Heisenberg spin chain and permutation symmetric bosonic systems, implying that the localisation is independent of the superselected symmetry. Finally we make connections of the Hamiltonians studied here to the adjacency matrices of graphs and use this to propose a prescription for disorder-free localisation in continuous-time quantum walk systems. Many of the models proposed here feature all-to-all connectivity and can be potentially realised on superconducting quantum circuits, trapped ion systems and ultracold atoms.
description: v3 - 45 pages, 5 figures, published version, includes stability analysis, Author list in alphabetical order
Integrating Econometric Models of Australia's Livestock Industries: Implications for Forecasting and Other Economic Analyses
Creators: name: Vere, David T.
name: Griffith, Garry R.
name: Vere, David T.
name: Griffith, Garry R.
Publisher: name: Unknown
Year: 2003
Subjects: subject: Livestock Production/Industries
subject: Structural econometric models
subject: Model integration
subject: Forecasting
subject: Economic analysis

description: The perceived value of integrating small partial- equilibrium structural models of individual livestock industries into a comprehensive single-sector model is to take advantage of the interrelationships that are usually expressed by cross elasticities on both the supply and demand sides of these industries. Model integration should provide a more realistic representation of the livestock industries and an improved mechanism for industry analyses. However, model integration could also lead to increased error in model simulation that could reduce the value of the larger model for those purposes. Using forecasting as an example application, this paper investigates how the increased endogenisation of cross-commodity relationships in alternative structural econometric models of the Australian livestock industries affects the simulation performance of the larger model. Forecast accuracy and encompassing tests were used to investigate the value of model integration by comparing the accuracy of the models' forecasts and by testing for differences in the information contained in those forecasts. The general result was that combining the models did not adversely affect the forecasts from the integrated model and the encompassing tests indicated that the forecasts of the integrated and single models contained different information. Because the forecasts of the integrated model were not impaired relative to the single model forecasts, model integration was considered to be useful for forecasting and other types of economic analysis in the livestock industries.
What Price for the Right to Go a-Droving? A Derived Demand Approach
Creators: name: Marshall, Graham R.
name: Cacho, Oscar J.
name: John, Fatmata
name: Marshall, Graham R.
name: Cacho, Oscar J.
name: John, Fatmata
Publisher: name: Unknown
Year: 2000
Subjects: subject: Demand and Price Analysis
subject: Livestock Production/Industries
subject: travelling stock reserves
subject: derived demand
subject: grazing
subject: linear programming

description: Travelling stock reserves (TSRs) were established in Australia as a way of allowing the passage of livestock through settled lands to facilitate stocking of new lands. Subsequently, they remained important as a way of moving livestock from property to property or from property to market. Today, the area of land dedicated to TSRs in NSW is estimated at 2.3 million hectares, which are used more as a source of feed than as a livestock thoroughfare. The value of TSRs as a source of feed is particularly important during drought periods, and pricing of access for walking stock has become a subject of contention within the Rural Land Protection Boards (RLPB). The price of TSR permits for walking stock is considerably lower than for agistment, thereby compromising the capacity of the system to be self-funding. The objective of this study is to explore possible pricing arrangements using a derived demand approach. A representative linear programming model was developed for a farm in Nyngan, NSW. The model was used to obtain estimates of the demand elasticity for TSR services with respect to their own price, the price of supplementary feeds and the price of wool. The effect of drought on these elasticities was also explored.
[Brev til DKNVS]
Creators: name: Christian VIII
name: Det Kongelige Norske Videnskabers Selskab (DKNVS)
Publisher: name: Unknown
Year: 1808

description: Kopi av brev vedr. premier
description: Undertegnet Christian Frederik. Polydoc nr. 1: 1069. Polydoc nr. 2: 463.
Lepidolaena novae-zelandiae von Konrat, L. Soderstr. et A. Hagborg, Phytotaxa
Creators: name: Söderström, Lars
name: Hagborg, Anders
name: Konrat, Matt Von
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Plantae
Bryophyta
Jungermanniopsida
Porellales
Lepidolaenaceae
Lepidolaena
Lepidolaena novae-Zelandiae

description: Lepidolaena novae-zelandiae (E.A.Hodgs. et S.W.Arnell) von Konrat, L.Söderstr. et A.Hagborg,
Phytotaxa 65: 51, 2012 (see von Konrat et al. 2012b). BASIONYM: Jubula novae-zelandiae E.A.Hodgs. et S.W.Arnell, Trans. Roy. Soc. New Zealand, Bot. 3 (4): 90, 1965 (see Hodgson 1965).
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 70, DOI: 10.11646/phytotaxa.170.2.1, http://zenodo.org/record/4779611
Learning Curves for Noisy Heterogeneous Feature-Subsampled Ridge Ensembles
Creators: name: Ruben, Benjamin S.
name: Pehlevan, Cengiz
Publisher: name: arXiv
Year: 2023
Subjects: subject: Machine Learning (stat.ML)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Machine Learning (cs.LG)
subject: Neurons and Cognition (q-bio.NC)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences
subject: FOS: Biological sciences

description: Feature bagging is a well-established ensembling method which aims to reduce prediction variance by combining predictions of many estimators trained on subsets or projections of features. Here, we develop a theory of feature-bagging in noisy least-squares ridge ensembles and simplify the resulting learning curves in the special case of equicorrelated data. Using analytical learning curves, we demonstrate that subsampling shifts the double-descent peak of a linear predictor. This leads us to introduce heterogeneous feature ensembling, with estimators built on varying numbers of feature dimensions, as a computationally efficient method to mitigate double-descent. Then, we compare the performance of a feature-subsampling ensemble to a single linear predictor, describing a trade-off between noise amplification due to subsampling and noise reduction due to ensembling. Our qualitative insights carry over to linear classifiers applied to image classification tasks with realistic datasets constructed using a state-of-the-art deep learning feature map.
description: NeurIPS 2023 Camera-Ready. Contains significant updates from the original submission
[Brev til DKNVS]
Creators: name: Generalpostamtet
name: Det Kongelige Norske Videnskabers Selskab (DKNVS)
Publisher: name: Unknown
Year: 1808

description: Vedr. porto
description: 2 brev. Polydoc nr. 1: 1066. Polydoc nr. 2: 460.
Frobenius algebras and ambidextrous adjunctions
Creators: name: Lauda, Aaron D.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Category Theory (math.CT)
subject: Quantum Algebra (math.QA)
subject: FOS: Mathematics
subject: 18D05, 57R56, 57Q20

description: In this paper we explain the relationship between Frobenius objects in monoidal categories and adjunctions in 2-categories. In particular, we show that every Frobenius object in a monoidal category M arises from an ambijunction (simultaneous left and right adjoints) in some 2-category D into which M fully and faithfully embeds. Since a 2D topological quantum field theory is equivalent to a commutative Frobenius algebra, this result also shows that every 2D TQFT is obtained from an ambijunction in some 2-category. Our theorem is proved by extending the theory of adjoint monads to the context of an arbitrary 2-category and utilizing the free completion under Eilenberg-Moore objects. We then categorify this theorem by replacing the monoidal category M with a semistrict monoidal 2-category M, and replacing the 2-category D into which it embeds by a semistrict 3-category. To state this more powerful result, we must first define the notion of a `Frobenius pseudomonoid', which categorifies that of a Frobenius object. We then define the notion of a `pseudo ambijunction', categorifying that of an ambijunction. In each case, the idea is that all the usual axioms now hold only up to coherent isomorphism. Finally, we show that every Frobenius pseudomonoid in a semistrict monoidal 2-category arises from a pseudo ambijunction in some semistrict 3-category.
description: 35 pages with Xy-Pic diagrams Corrected and simplified some proofs, added discussion on Eilenberg-Moore completions
On the stability properties of Gated Recurrent Units neural networks
Creators: name: Bonassi, Fabio
name: Farina, Marcello
name: Scattolini, Riccardo
Publisher: name: arXiv
Year: 2020
Subjects: subject: Systems and Control (eess.SY)
subject: Machine Learning (cs.LG)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: The goal of this paper is to provide sufficient conditions for guaranteeing the Input-to-State Stability (ISS) and the Incremental Input-to-State Stability (δISS) of Gated Recurrent Units (GRUs) neural networks. These conditions, devised for both single-layer and multi-layer architectures, consist of nonlinear inequalities on network's weights. They can be employed to check the stability of trained networks, or can be enforced as constraints during the training procedure of a GRU. The resulting training procedure is tested on a Quadruple Tank nonlinear benchmark system, showing satisfactory modeling performances.
description: Copyright 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0
PERSPECTIVES ON COMPETITIVE BIDDING: RETIREMENT OF ENVIRONMENTALLY SENSITIVE FARMLAND
Creators: name: Kozloff, Keith
name: Taff, Steven J.
name: Kozloff, Keith
name: Taff, Steven J.
Publisher: name: Unknown
Year: 1990
Subjects: Land Economics/Use

description: The USDA has used bidding to enroll land into the Conservation Reserve Program (CRP) and may use similar mechanisms to implement other policy instruments in which some or all agricultural land cropping rights are acquired to protect or increase environmental amenities. Experience with the CRP suggests that current enrollees are being compensated in excess of the lowest payment they would be willing to accept in exchange for loss of cropping rights. While it may be prohibitively expensive to estimate such reservation prices on all potential CRP parcels, it is likewise difficult to design a bidding mechanism that induces landowners to reveal these values. While the competitive bidding and contingent valuation literatures provide some guidance, the problem of designing a cost effective bidding mechanism for land retirement does not conform precisely to situations in which theoretical, experimental or case study results have been reported. Despite this, realistic incremental changes in the CRP's current bidding mechanism that induce competitive behavior among bidders appear to portend significant savings in government outlays.
Poisson-to-Wigner crossover transition in the nearest-neighbor spacing statistics of random points on fractals
Creators: name: Sakhr, Jamal
name: Nieminen, John M.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: We show that the nearest-neighbor spacing distribution for a model that consists of random points uniformly distributed on a self-similar fractal is the Brody distribution of random matrix theory. In the usual context of Hamiltonian systems, the Brody parameter does not have a definite physical meaning, but in the model considered here, the Brody parameter is actually the fractal dimension. Exploiting this result, we introduce a new model for a crossover transition between Poisson and Wigner statistics: random points on a continuous family of self-similar curves with fractal dimension between 1 and 2. The implications to quantum chaos are discussed, and a connection to conservative classical chaos is introduced.
description: Low-resolution figure is included here. Full resolution image available (upon request) from the authors
Optimal face-to-face coupling for fast self-folding kirigami
Creators: name: Bambic, Maks Pecnik
name: Araújo, Nuno A. M.
name: Walker, Benjamin J.
name: Hewitt, Duncan R.
name: Pei, Qing Xiang
name: Ni, Ran
name: Volpe, Giorgio
Publisher: name: arXiv
Year: 2023
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: Kirigami-inspired designs can enable self-folding three-dimensional materials from flat, two-dimensional sheets. Hierarchical designs of connected levels increase the diversity of possible target structures, yet they can lead to longer folding times in the presence of fluctuations. Here, we study the effect of rotational coupling between levels on the self-folding of two-level kirigami designs driven by thermal noise in a fluid. Naturally present due to hydrodynamic resistance, we find that optimization of this coupling as control parameter can significantly improve a structure's self-folding rate and yield.
Super-resolution of periodic signals from short sequences of samples
Creators: name: Rupniewski, Marek W.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Reconstruction of undersampled periodic signals of unknown period is an important signal processing operation. It is especially difficult operation when the sequences of samples are short and no information on the inter-sequence time distances is given. For such a case, there exist some algorithms that allow for approximation of the sampled signal. However, these algorithms require either bandlimitedness of the signal, or noiseless samples. In this paper, we propose a novel algorithm which does not require the signal to be bandlimited and it can cope with additive noise in the samples. The algorithm is illustrated and validated with real data.
Le Coutre, Eberhard (hrsg.): Unterwegs zur einen Welt
Creators: name: Lenz, Dieter
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 20 Nr. 3 (1971): Ökumenische Rundschau, Band 20, Heft 3
Picht, G. (hrsg.): Studien zur Friedensforschung ...
Creators: name: Kirchhoff, Hans-Ulrich
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 20 Nr. 3 (1971): Ökumenische Rundschau, Band 20, Heft 3