cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Beyond the proton drip line: Bayesian analysis of proton-emitting nuclei
Creators: name: Neufcourt, Léo
name: Cao, Yuchen
name: Giuliani, Samuel
name: Nazarewicz, Witold
name: Olsen, Erik
name: Tarasov, Oleg B.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Nuclear Theory (nucl-th)
subject: Nuclear Experiment (nucl-ex)
subject: Machine Learning (stat.ML)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences
subject: 62F15, 62P35, 60G15

description: The limits of the nuclear landscape are determined by nuclear binding energies. Beyond the proton drip lines, where the separation energy becomes negative, there is not enough binding energy to prevent protons from escaping the nucleus. Predicting properties of unstable nuclear states in the vast territory of proton emitters poses an appreciable challenge for nuclear theory as it often involves far extrapolations. In addition, significant discrepancies between nuclear models in the proton-rich territory call for quantified predictions. With the help of Bayesian methodology, we mix a family of nuclear mass models corrected with statistical emulators trained on the experimental mass measurements, in the proton-rich region of the nuclear chart. Separation energies were computed within nuclear density functional theory using several Skyrme and Gogny energy density functionals. We also considered mass predictions based on two models used in astrophysical studies. Quantified predictions were obtained for each model using Bayesian Gaussian processes trained on separation-energy residuals and combined via Bayesian model averaging. We obtained a good agreement between averaged predictions of statistically corrected models and experiment. In particular, we quantified model results for one- and two-proton separation energies and derived probabilities of proton emission. This information enabled us to produce a quantified landscape of proton-rich nuclei. The most promising candidates for two-proton decay studies have been identified. The methodology used in this work has broad applications to model-based extrapolations of various nuclear observables. It also provides a reliable uncertainty quantification of theoretical predictions.
Models for University Engagement with Private and Public Sector Employers
Creators: name: Kaneene, John B.
name: Kirsten, Johann F.
name: Mugisha, Anthony
name: Kabasa, John David
name: Kaneene, John B.
name: Kirsten, Johann F.
name: Mugisha, Anthony
name: Kabasa, John David
Publisher: name: Unknown
Year: 2014
Subjects: subject: Agricultural and Food Policy
subject: Teaching/Communication/Extension/Profession
subject: Africa
subject: engagement models
subject: education

description: This study compares models for university engagement with private and public sector employers in Africa. It compares engagement models in countries with more developed food systems (South Africa) and a sample of selected African countries with less developed food systems - Kenya, Uganda, Tanzania, and Senegal. The study was conducted in two parts. Part one consisted of desk top review of the available literature in order to identify the available engagement models and development of a conceptual framework for engagement, and part two consisted of conducting structured interviews with selected private agricultural companies and public employers.
Champion Team Paper: Dynamic Passing-Shooting Algorithm Based on CUDA of The RoboCup SSL 2019 Champion
Creators: name: Chen, Zexi
name: Zhang, Haodong
name: Guo, Dashun
name: Jia, Shenhan
name: Fang, Xianze
name: Huang, Zheyuan
name: Wang, Yunkai
name: Hu, Peng
name: Wen, Licheng
name: Chen, Lingyun
name: Li, Zhengxi
name: Xiong, Rong
Publisher: name: arXiv
Year: 2019
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences
subject: 68T40

description: ZJUNlict became the Small Size League Champion of RoboCup 2019 with 6 victories and 1 tie for their 7 games. The overwhelming ability of ball-handling and passing allows ZJUNlict to greatly threaten its opponent and almost kept its goal clear without being threatened. This paper presents the core technology of its ball-handling and robot movement which consist of hardware optimization, dynamic passing and shooting strategy, and multi-agent cooperation and formation. We first describe the mechanical optimization on the placement of the capacitors, the redesign of the damping system of the dribbler and the electrical optimization on the replacement of the core chip. We then describe our passing point algorithm. The passing and shooting strategy can be separated into two different parts, where we search the passing point on SBIP-DPPS and evaluate the point based on the ball model. The statements and the conclusion should be supported by the performances and log of games on Small Size League RoboCup 2019.
description: RoboCup SSL 2019 Champion Paper
Technical and Institutional Capacities of AET Institutions in Southern Africa: Are there Lessons for the Rest of Africa?
Creators: name: Madakadze, Casper
name: Masamvu, Tane
name: Terreblanche, Fanie
name: Minde, Isaac
name: Madakadze, Casper
name: Masamvu, Tane
name: Terreblanche, Fanie
name: Minde, Isaac
Publisher: name: Unknown
Year: 2014
Subjects: subject: Agricultural and Food Policy
subject: agricultural education
subject: Africa

description: This paper takes an inventory of technical and institutional capacities of some selected tertiary agricultural education and training institutions (AET) in southern Africa. Data were gathered on key selected areas such as student enrolment, physical infrastructure, teaching staff, curricula, level of research and outreach, and relationship between these institutions and the communities and private sector. The objective was to learn about best practices in the management of the AET institutions which can then potentially be applied to other AET institutions. South Africa demonstrated the greatest degree of diversity in their AET institutions. What is even more remarkable is that South Africa arguably has the most market driven, demand oriented AET-sensitive curricula in southern Africa. Different institutions target different segments in the job market. This is a great lesson for many African countries who are vying to increase job opportunities for their graduates.
Sum rules for total hadronic widths of mesons
Creators: name: Majewski, Michal
Publisher: name: arXiv
Year: 2001
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Mass sum rules for meson multiplets derived from exotic commutators may be written for complex masses. Then the real parts give the well known mass formulae (GM-O, Schwinger, Ideal) and the imaginary ones give the corresponding sum rules for total hadronic widths. The masses and widths of the meson nonets submit to a definite orders. It thus follows that tables of the meson nonets should include information about masses, widths and the orders as well as the mixing angle. The width sum rule for the nonet complying with Schwinger mass formula may be depicted as a straight line in the $(m,Γ)$ plane. It is easily verifiable and satisfied better for high mass nonets.
description: LaTeX, 4pp, 1 figure. To appear in Proceedings of "Hadron 2001"
Assessments and Application of Basic Financial Indicators in Fruit Production
Creators: name: Hadelan, Lari
name: Njavro, Mario
name: Par, Vjekoslav
name: Pazek, Karmen
name: Hadelan, Lari
name: Njavro, Mario
name: Par, Vjekoslav
name: Pazek, Karmen
Publisher: name: Unknown
Year: 2010
Subjects: Agricultural Finance
Farm Management

description: This paper’s aim is to evaluate importance of the basic financial indicators and its influence on the standardized project’s grade. The research was conducted using survey questionnaires to a sample of 14 experts in the field of microeconomics, who evaluated an importance of economic indicators in agriculture. Using Likert’s scale, they assessed importance of operating profit value, cost/income ratio, productivity and profitability indicators. Their grades were converted to utility coefficient (indicator’s priority) for the purpose of the group decision making in selecting fruit production. Analyzed fruit species achieved different financial indicator value. Based on indicator’s priority they were turned in normalized utility grade which enables fruit species ranking.
Exact plaquette singlet phases in an orthogonal-plaquette model
Creators: name: Boos, C.
name: Schmidt, K. P.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We introduce a quantum spin-1/2 model hosting two exact plaquette singlet ground states in extended parameter regimes. There is an exact phase transition between both phases, at which the system has an extensive ground-state degeneracy. Further, the model exhibits an extensive number of conserved quantities, which allow the prediction of additional phases. We exploit this feature and explore the phase diagram in detail for two specific parameter regimes. The model is based solely on Heisenberg interactions and seems sufficiently simple to be realized in quantum materials. A general scheme to determine exact singlet product states is briefly discussed.
description: 6 pages, 3 figures
Lensed Density Perturbations in Braneworlds: An Alternative to Perturbations from Inflation
Creators: name: Chung, Daniel J. H.
name: Freese, Katherine
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We consider a scenario in which our observable universe is a 3-dimensional surface (3-brane) living in extra dimensions with a warped geometry. We show that ``lensed'' density perturbations from other branes serve as possible seeds for structure formation on our observable brane (without inflation), and, in addition, provide constraints on braneworld scenarios with warped bulk geometry. Due to the warped bulk metric, any perturbation generated on one brane (or in the bulk matter) appears to an observer on a second brane to have a significantly different amplitude. We analyze lensed perturbations in the Randall-Sundrum type scenarios and the ``shortcut metric'' scenarios. For Lorentz violating metrics in the bulk, we find the attractive possibility that large density fluctuations that are causally produced elsewhere can lead to small density fluctuations on our brane on superhorizon (acausal) length scales, as required by structure formation. Our most interesting result is that the ``shortcut metrics'' in which geodesics traverse the extra dimensions provide an alternative to inflation with two important features: a possible solution to the horizon problem and a mechanism to generate perturbations necessary for structure formation.
description: 27 pages
Parapanteles masoni Austin and Dangerfield
Creators: name: Valerio, A. A.
name: Whitfield, J. B.
name: Janzen, D. H.
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Braconidae
Parapanteles
Parapanteles masoni

description: Parapanteles masoni Austin and Dangerfield
Figs. 4A, 4F
 Parapanteles masoni Austin & Dangerfield, 1992: 6: 45 –47.
 Female (Additional descriptive features to Austin and Dangerfield’s original description).
 Mesosoma. Propleuron with anterior edge nitid and remainder with punctate sculpture throughout its length; pronotum lateral area with anterior 1/3 with deep longitudinal and nitid grove, dorsal lateral groove with few smooth transversal ridges across its width and lower lateral groove but the latter with fewer and more thick than those present at dorsal groove, area between lateral grooves with nitid, dorsal edge with posterior edge with dense and confuse punctate sculpture, dorsal edge 1/4 and ventral edge 0.4 posterior edge height; scutellar groove with 11 narrow and well defined costulae; scutellum with big and confused punctate sculpture at anterior lateral 2/3 of its length, medial area with very sparse punctate sculpture an essentially nitid, lateral area with big and well defined costulate sculpture slightly narrower at anterior 1/5; axilla through mesonotum with transversal ridges that reach across 1/2 of its width, transversal ridges are divided at mid length by one carina, remainder axilla nitid; metanotum mainly nitid and subrectangular in shape, mid posterior costulae with two lateral depressions at posterior 1/2 and with remainder of area with few smooth rugulose sculpture.
 Wing. Hyaline, forewing with veins r and C+SC+R yellowish brown and pterostigma, remainder of veins whitish yellow; hind wing veins whitish yellow.
 Legs. Fore telotarsus shorter than fore basitarsus, fore telotarsus with a long hooklike setae at internolateral area of it.
 Material examined. Holotype, female, “[Australia], Finniss Riv. Stn., N. T., coll. 17 July 1986, [Col.] C. Wilson, on leaf Mimosa pigra [L. (Fabaceae)].” Paratype: one male with same data as holotype.
 Comments. All material deposited at ANIC. This is the only known species for the genus Parapanteles to be described and recorded from the Australian continent.
description: Published as part of Valerio, A. A., Whitfield, J. B. & Janzen, D. H., 2009, Review of world Parapanteles Ashmead (Hymenoptera: Braconidae: Microgastrinae), with description of fourteen new Neotropical species and the first description of the final instar larvae, pp. 1-49 in Zootaxa 2084 (1) on pages 12-13, DOI: 10.11646/zootaxa.2084.1.1, http://zenodo.org/record/5321470
Mode-Locked Rotating Detonation Waves: Experiments and a Model Equation
Creators: name: Koch, James
name: Kurosaka, Mitsuru
name: Knowlen, Carl
name: Kutz, J. Nathan
Publisher: name: arXiv
Year: 2019
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: Direct observation of a Rotating Detonation Engine combustion chamber has enabled the extraction of the kinematics of its detonation waves. These records exhibit a rich set of instabilities and bifurcations arising from the interaction of coherent wave fronts and global gain dynamics. We develop a model of the observed dynamics by recasting the Majda detonation analog as an autowave. The solution fronts become attractors of the engine; i.e., mode-locked rotating detonation waves. We find that detonative energy release competes with dissipation and gain recovery to produce the observed dynamics and a bifurcation structure common to driven-dissipative systems, such as mode-locked lasers.
description: 10 pages, 11 figures
Parapanteles rooibos Valerio, Whitfield and Kole
Creators: name: Valerio, A. A.
name: Whitfield, J. B.
name: Janzen, D. H.
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Braconidae
Parapanteles
Parapanteles rooibos

description: Parapanteles rooibos Valerio, Whitfield and Kole
Figs. 3A, 6E, 11D
 Parapanteles rooibos, Valerio, Whitfield & Kole, 2005, Zootaxa, 855, 1–8.
 Female. Body length = 2.05–2.40 mm.
 Body color: Palpi yellowish (except basal segment) as fore femur distal 1/2, fore tibia and tarsomeres, mid leg distal tip of femur and basal 1/5 of mid tibia, hind tibia basal tip, distal half of mandibles and ovipositor; tarsal claws dark brown; composed eyes silver; ocelli dark orange; spurs of hind tibia whitish yellow as very basal pleura of metasoma; remainder of body black as ovipositor sheaths. Wings hyaline; forewing with veins translucent except pterostigma, 2RS, 2M, r and C+SC+R (except basal 1/4 whitish yellow); hind wing veins translucent except basal area of C+SC+R and distal tip of R1 brownish yellow.
 For a more extensive description of the species see Valerio et al. (2005).
 Rearing records and biology. Parapanteles rooibos was reared from Isturgia exerraria (Prout) (Geometridae: Ennominae) feeding on the legume Aspalathus linearis (commonly known as the rooibos tea plant) in South Africa.
 Material examined. Holotype, female, “ South Africa, Cederberg region, October 2003, Col. M. Kole. ” Paratypes six females and one male with same data as holotype. Holotype deposited in South African National Collection of Insects (SANC), Pretoria; paratypes in South African National Collection and in U. S. National Museum (USNM).
 Comments. This is the only known Parapanteles species from the African continent.
description: Published as part of Valerio, A. A., Whitfield, J. B. & Janzen, D. H., 2009, Review of world Parapanteles Ashmead (Hymenoptera: Braconidae: Microgastrinae), with description of fourteen new Neotropical species and the first description of the final instar larvae, pp. 1-49 in Zootaxa 2084 (1) on page 15, DOI: 10.11646/zootaxa.2084.1.1, http://zenodo.org/record/5321470
Optimization and Learning with Information Streams: Time-varying Algorithms and Applications
Creators: name: Dall'Anese, Emiliano
name: Simonetto, Andrea
name: Becker, Stephen
name: Madden, Liam
Publisher: name: arXiv
Year: 2019
Subjects: subject: Optimization and Control (math.OC)
subject: Machine Learning (cs.LG)
subject: Signal Processing (eess.SP)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: There is a growing cross-disciplinary effort in the broad domain of optimization and learning with streams of data, applied to settings where traditional batch optimization techniques cannot produce solutions at time scales that match the inter-arrival times of the data points due to computational and/or communication bottlenecks. Special types of online algorithms can handle this situation, and this article focuses on such time-varying optimization algorithms, with emphasis on Machine Leaning and Signal Processing, as well as data-driven Control. Approaches for the design of time-varying or online first-order optimization methods are discussed, with emphasis on algorithms that can handle errors in the gradient, as may arise when the gradient is estimated. Insights on performance metrics and accompanying claims are provided, along with evidence of cases where algorithms that are provably convergent in batch optimization may perform poorly in an online regime. The role of distributed computation is discussed. Illustrative numerical examples for a number of applications of broad interest are provided to convey key ideas.
description: Accepted for publication in IEEE Signal Processing Magazine. Limit of 40 references
Few-body bound states of two-dimensional bosons
Creators: name: Guijarro, G.
name: Astrakharchik, G. E.
name: Boronat, J.
name: Bazak, B.
name: Petrov, D. S.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We study clusters of the type A$_N$B$_M$ with $N\leq M\leq 3$ in a two-dimensional mixture of A and B bosons, with attractive AB and equally repulsive AA and BB interactions. In order to check universal aspects of the problem, we choose two very different models: dipolar bosons in a bilayer geometry and particles interacting via separable Gaussian potentials. We find that all the considered clusters are bound and that their energies are universal functions of the scattering lengths $a_{AB}$ and $a_{AA}=a_{BB}$, for sufficiently large attraction-to-repulsion ratios $a_{AB}/a_{BB}$. When $a_{AB}/a_{BB}$ decreases below $\approx 10$, the dimer-dimer interaction changes from attractive to repulsive and the population-balanced AABB and AAABBB clusters break into AB dimers. Calculating the AAABBB hexamer energy just below this threshold, we find an effective three-dimer repulsion which may have important implications for the many-body problem, particularly for observing liquid and supersolid states of dipolar dimers in the bilayer geometry. The population-imbalanced ABB trimer, ABBB tetramer, and AABBB pentamer remain bound beyond the dimer-dimer threshold. In the dipolar model, they break up at $a_{AB}\approx 2 a_{BB}$ where the atom-dimer interaction switches to repulsion.
description: 3 figures
A Predictive Ansatz for Neutrino Mixing and Leptogenesis
Creators: name: Xing, Zhi-zhong
Publisher: name: arXiv
Year: 2002
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We propose a non-SO(10) modification of the Buchmueller-Wyler ansatz for neutrino mixing and leptogenesis, in which charged lepton, Dirac and Majorana neutrino mass matrices have fewer free parameters. Predictions of this new ansatz for three light neutrino masses, three lepton flavor mixing angles, the neutrinoless double-beta decay and the cosmological matter-antimatter asymmetry are all in very good agreement with current experimental and observational data.
description: RevTex 14 pages. More discussions added. Accepted for publication in Phys. Lett. B
Baryon Fluctuations and the QCD Phase Transition
Creators: name: Bower, David
name: Gavin, Sean
Publisher: name: arXiv
Year: 2001
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The dynamic separation into phases of high and low baryon density in a heavy ion collision can enhance fluctuations of the net rapidity density of baryons compared to model expectations. We demonstrate that event-by-event proton and antiproton measurements can be used to observe this phenomenon. We then perform real-time lattice simulations to show how these fluctuations arise and how they can survive through freeze out.
description: 5 pages, 4 figures; added text, references
Higher Education No Panacea for Weak Rural Economies
Creators: name: Killian, Molly S.
name: Parker, Timothy S.
name: Killian, Molly S.
name: Parker, Timothy S.
Publisher: name: Unknown
Year: 1991
Subjects: Community/Rural/Urban Development
Labor and Human Capital

description: Education is much touted as the most important factor in stimulating employment growth. But the importance of higher education levels has probably been overstated. Other factors also come into play. The mix of local industries, local labor costs, and location can all affect employment growth. When all characteristics of a local economy are considered, education appears less important than some of those other factors.
Surface Fluctuations and the Stability of Metal Nanowires
Creators: name: Zhang, C. H.
name: Kassubek, F.
name: Stafford, C. A.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The surface dynamics and thermodynamics of metal nanowires are investigated in a continuum model. Competition between surface tension and electron-shell effects leads to a rich stability diagram, with fingers of stability extending to extremely high temperatures for certain magic conductance values. The linearized dynamics of the nanowire's surface are investigated, including both acoustic surface phonons and surface self-diffusion of atoms. On the stability boundary, the surface exhibits critical fluctuations, and the nanowire becomes inhomogeneous. Some stability fingers coalesce at higher temperatures, or exhibit overhangs, leading to reentrant behavior. The nonlinear surface dynamics of unstable nanowires are also investigated in a single-mode approximation. We find evidence that some unstable nanowires do not break, but rather neck down to the next stable radius.
description: 9 pages, 5 figures, expanded version
SberQuAD -- Russian Reading Comprehension Dataset: Description and Analysis
Creators: name: Efimov, Pavel
name: Chertok, Andrey
name: Boytsov, Leonid
name: Braslavski, Pavel
Publisher: name: arXiv
Year: 2019
Subjects: subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences

description: SberQuAD -- a large scale analog of Stanford SQuAD in the Russian language - is a valuable resource that has not been properly presented to the scientific community. We fill this gap by providing a description, a thorough analysis, and baseline experimental results.
Pertinent and Persistent Identifiers – a National Strategy
Creators: name: Vials Moore, Adam
name: Brown, Josh
name: Brown, Christopher
name: Meadows, Alice
name: Murphy, Fiona
name: Jones, Phill
Publisher: name: Zenodo
Year: 2021
Subjects: FAIR
PIDs
Persistent Identifiers
RAiD
ORCID
DOI
Crossref
ROR

description: Over the past year Jisc has led a project examining the role 5 key persistent identifiers (PIDs) can play in the open access landscape.

 The priority PIDs are: outputs (DOI), people (ORCID), organisations (ROR), grants (DOI), projects (RAiD)

 We present an overview of those PIDs along with a discussion of how embedding them within the wider open research workflows will have a positive impact on the FAIRness of data and metadata.

 Findable: Persistently identifying this information will protect the integrity of research data – ensuring correct attribution and accountability as well as enabling recognition of more contributions and roles for researchers allowing provenance to be established where lesser-known outputs are the basis for more established later “keystone” work.

 Accessible: The broadening of access to open science to more and diverse stakeholders by ensuring that within data and the associated works, the contributions of researchers, their funding, organisations and the narrative of the projects being undertaken are described with open metadata using agreed standards, which increases accessibility and addresses inequality.

 Interoperable: Machine to machine processes enabled by the metadata and infrastructure that support and enable PIDs decrease costs – financial, attentional and opportunity. That cost reduction also frees up time and generates more value-additive qualitative, narrative and / or contextual information

 Reusable: Links expressed in the metadata associated with PIDs within, and created by, the entities (software, instruments etc.) involved in the emitting and processing of data enables easier reuse.
Machine learning algorithms to infer trait-matching and predict species interactions in ecological networks
Creators: name: Pichler, Maximilian
name: Boreux, Virginie
name: Klein, Alexandra-Maria
name: Schleuning, Matthias
name: Hartig, Florian
Publisher: name: arXiv
Year: 2019
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: Machine Learning (cs.LG)
subject: Quantitative Methods (q-bio.QM)
subject: Machine Learning (stat.ML)
subject: FOS: Biological sciences
subject: FOS: Computer and information sciences

description: Ecologists have long suspected that species are more likely to interact if their traits match in a particular way. For example, a pollination interaction may be more likely if the proportions of a bee's tongue fit a plant's flower shape. Empirical estimates of the importance of trait-matching for determining species interactions, however, vary significantly among different types of ecological networks. Here, we show that ambiguity among empirical trait-matching studies may have arisen at least in parts from using overly simple statistical models. Using simulated and real data, we contrast conventional generalized linear models (GLM) with more flexible Machine Learning (ML) models (Random Forest, Boosted Regression Trees, Deep Neural Networks, Convolutional Neural Networks, Support Vector Machines, naive Bayes, and k-Nearest-Neighbor), testing their ability to predict species interactions based on traits, and infer trait combinations causally responsible for species interactions. We find that the best ML models can successfully predict species interactions in plant-pollinator networks, outperforming GLMs by a substantial margin. Our results also demonstrate that ML models can better identify the causally responsible trait-matching combinations than GLMs. In two case studies, the best ML models successfully predicted species interactions in a global plant-pollinator database and inferred ecologically plausible trait-matching rules for a plant-hummingbird network, without any prior assumptions. We conclude that flexible ML models offer many advantages over traditional regression models for understanding interaction networks. We anticipate that these results extrapolate to other ecological network types. More generally, our results highlight the potential of machine learning and artificial intelligence for inference in ecology, beyond standard tasks such as image or pattern recognition.
description: 48 pages, 5 figures
Lepton Flavor Violating Process in Degenerate and Inverse-Hierarchical Neutrino Models
Creators: name: Kageyama, A.
name: Kaneko, S.
name: Shimoyama, N.
name: Tanimoto, M.
Publisher: name: arXiv
Year: 2001
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We have investigated the lepton flavor violation in the supersymmetric framework assuming the large mixing angle MSW solution with the quasi-degenerate and the inverse-hierarchical neutrino masses. In the case of the quasi-degenerate neutrinos, the predicted branching ratio BR$(μ\to e γ)$ strongly depends on $m_ν$ and $U_{e3}$. For $U_{e3}\simeq 0.05$ with $m_ν\simeq 0.3 \eV$, the prediction is close to the present experimental upper bound if the right-handed Majorana neutrino masses are degenerate. On the other hand, the prediction is larger than the experimental upper bound for $U_{e3}\geq 0.05$ in the case of the inverse-hierarchical neutrino masses.
description: Latex file, 20 pages, 6 figures, revised version, discussion are added, one figure and one equation also added
Diffraction and sigma_{gamma* p}
Creators: name: Schildknecht, D.
name: Tentyukov, M.
name: Kuroda, M.
name: Surrow, B.
Publisher: name: arXiv
Year: 2002
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The empirical scaling law, wherein the total photoabsorption cross section depends on the single variable eta=(Q^2+m_0^2)/Lambda^2(W^2), provides empirical evidence for saturation in the sense of sigma_{gamma* p}(W^2,Q^2)/sigma_{gamma p}(W^2) --> 1 for W^2 --> infinity at fixed Q^2. The total photoabsorption cross section is related to elastic diffraction in terms of a sum rule. The excess of diffractive production over the elastic component is due to inelastic diffraction that contains the production of hadronic states of higher spins. Motivated by the diffractive mass spectrum, the generalized vector dominance/color dipole picture (GVD/CDP) is extended to successfully describe the DIS data in the full region of x=<0.1, all Q^2>=0, where the diffractive two-gluon-exchange mechanism dominates.
description: 7 pages with 3 figures,(eps files), Latex. Talk presented by D. Schildknecht at DIS2002, Cracow, Poland, 30 April to 4 May
MOESM1 of Clinic and patient variation in intermediate clinical outcomes for type 2 diabetes: a multilevel analysis
Creators: name: Lim, Yvonne
name: Swee Ang
name: Nazrila Nasir
name: Fatanah Ismail
name: Siti Ismail
name: Sheamini Sivasampu
Publisher: name: figshare
Year: 2019
Subjects: subject: Space Science
subject: Medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Science Policy
subject: Computational Biology

description: Additional file 1. Detailed multilevel model results for HbA1c, SBP and LDL-C. The table includes the results for multilevel linear regression for the empty model, model with addition of patient variables and final model with patient and clinic variables. Both fixed and random effects are reported. Proportional changes in variance with the addition of variables and goodness of fit results are also included.
Low-cost wireless sensor network time synchronisation with energy conservation
Creators: name: Zhang, Charlotte
Publisher: name: Loughborough University
Year: 2021
Subjects: subject: 89999 Information and Computing Sciences not elsewhere classified
subject: FOS: Computer and information sciences

description: An efficient time synchronisation could increase the performance of wireless sensor networks (WSNs) applications significantly. Most existing research of time synchronisation in WSNs focuses on clock estimation and message exchange to improve the synchronisation accuracy without taking network performance as the primary consideration. In this thesis, we will investigate how to extend the network lifetime while maintaining a high level of network performance via energy conservation and time synchronisation mechanisms.To balance energy consumption and clock time accuracy in WSNs, this thesis proposes a new approach of time synchronisation that takes into account of the energy conservation factors, which reduces the energy consumption of individual nodes and extends the lifetime of WSNs by aligning schedules and reducing management packets (Chapter 3). As a cross-layer mechanism, the implementation of the proposed time synchronisation is carried out by the MAC (Medium Access Control) and application layers.To improve the network energy conservation, a new wireless sensor network MAC protocol, named SA-MAC (Schedule Awareness MAC), is proposed. It better supports the scheduling mechanism with dimensionality reduction to generate concentrated schedule tables with active time slots information of the two-hop neighbours. The energy conservation of sensor nodes is based on the theory of periodic activation and sleep, which relies on schedule tables with accurate timestamps. The schedule tables are maintained by frequent time synchronisations (Chapter 4).To maintain the clock accuracy of individual wireless sensor nodes, a clock adjustment method (TimeSync) for WSNs is proposed, which includes the system model, the clock offset estimation and the clock skew estimation (Chapter 5).To balance the network energy and extend the network lifetime, a simplified reverse firefly method (SRF) was proposed. The process of the method relieves both the timeslot conflict problem and the node movement problem with energy level information exchange and comparison (Chapter 6).By designing and implementing a set of simulation experiments, we show that by integrating the three methods above (SA-MAC, TimeSync and SRF), the energy consumption of the WSNs is reduced by more than 10% compared to the state-of-the-art MAC protocols 802.11 and S-MAC with TPSN. In the meantime, the clock accuracy of the individual nodes is maintained, which is similar to the clock accuracy achieved by TPSN.In conclusion, the benefits of the proposed methods on WSN energy conservation and time synchronisation are discussed and the future works of clock offset estimation, node lifetime extension and network maintenance are highlighted.
The Shock Physics of Giant Impacts: Key Requirements for the Equations of State
Creators: name: Stewart, Sarah T.
name: Davies, Erik J.
name: Duncan, Megan S.
name: Lock, Simon J.
name: Root, Seth
name: Townsend, Joshua P.
name: Kraus, Richard G.
name: Caracas, Razvan
name: Jacobsen, Stein B.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We discuss major challenges in modeling giant impacts between planetary bodies, focusing on the equations of state (EOS). During the giant impact stage of planet formation, rocky planets are melted and partially vaporized. However, most EOS models fail to reproduce experimental constraints on the thermodynamic properties of the major minerals over the required phase space. Here, we present an updated version of the widely-used ANEOS model that includes a user-defined heat capacity limit in the thermal free energy term. Our revised model for forsterite (Mg$_2$SiO$_4$), a common proxy for the mantles of rocky planets, provides a better fit to material data over most of the phase space of giant impacts. We discuss the limitations of this model and the Tillotson equation of state, a commonly used alternative model.
description: M-ANEOS source code public release (https://github.com/isale-code/M-ANEOS); forsterite EOS public release (https://github.com/ststewart/aneos-forsterite-2019); manuscript accepted (no changes): Stewart, S., et al. (accepted). In J. Lane, T. Germann, and M. Armstrong (Eds.), 21st Biennial APS Conference on Shock Compression of Condensed Matter (SCCM19). AIP Publishing
The QCD Axion and Unification
Creators: name: Perez, Pavel Fileviez
name: Murgui, Clara
name: Plascencia, Alexis D.
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The QCD axion is one of the most appealing candidates for the dark matter in the Universe. In this article, we discuss the possibility to predict the axion mass in the context of a simple renormalizable grand unified theory where the Peccei-Quinn scale is determined by the unification scale. In this framework, the axion mass is predicted to be in the range $m_a \simeq (3 - 13) \times 10^{-9} \ \rm{eV}$. We study the axion phenomenology and find that the ABRACADABRA and CASPEr-Electric experiments will be able to fully probe this mass window.
description: 14 pages plus appendices, 6 figures. v2: minor changes to the text, references added, accepted for publication in JHEP
MOESM1 of Population genomics and morphological features underlying the adaptive evolution of the eastern honey bee (Apis cerana)
Creators: name: Yancan, Li
name: Tianle, Chao
name: Yunhan, Fan
name: Delong, Lou
name: Guizhi, Wang
Publisher: name: figshare
Year: 2019
Subjects: subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Marine Biology

description: Additional file 1: Figure S1. Maximum likelihood tree with one migration event.
Onset of Delocalization in Quasi-1D Waveguides with Correlated Surface Disorder
Creators: name: Izrailev, F. M.
name: Makarov, N. M.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: We present first analytical results on transport properties of many-mode waveguides with rough surfaces having long-range correlations. We show that propagation of waves through such waveguides reveals a quite unexpected phenomena of a complete transparency for a subset of propagating modes. These modes do not interact with each other and effectively can be described by the theory of 1D transport with correlated disorder. We also found that with a proper choice of model parameters one can arrange a perfect transparency of waveguides inside a given window of energy of incoming waves. The results may be important in view of experimental realizations of a selective transport in application to both waveguides and electron/optic nanodevices.
description: RevTex, 4 pages, no figures, few references are added
The orientation of planes of dwarf galaxies in the quasi-linear Universe
Creators: name: Libeskind, Noam I
name: Carlesi, Edoardo
name: Muller, Oliver
name: Pawlowski, Marcel S
name: Hoffman, Yehuda
name: Pomarede, Daniel
name: Courtois, Helene M
name: Tully, R. Brent
name: Gottloeber, Stefan
name: Steinmetz, Matthias
name: Sorce, Jenny
name: Knebe, Alexander
Publisher: name: arXiv
Year: 2019
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: To date at least 10 highly flattened planes of dwarf galaxies are claimed to have been discovered in the Local Universe. The origin of these planes of galaxies remains unknown. One suggestion is that they are related to the large-scale structure of the cosmic web. A recent study found that the normal of a number of these dwarf galaxy planes are very closely aligned with the eigenvector of the shear tensor corresponding to the direction of greatest collapse obtained by reconstructing the full velocity field in the linear regime. Here we extend that work by both considering an additional 5 planes beyond the 5 examined previously and by examining the alignment with respect to the quasi-linear field, a more sophisticated reconstruction, which is a better approximation on smaller (quasi-linear) scales. Our analysis recovers the previous result while not finding a significantly tight alignment with the additional 5 planes. However, the additional 5 planes normals also do not appear to be randomly oriented. We conclude that this could either be due to the normals of the new planes being poorly defined and described; the quasi-linear field at those locations being poorly constrained; or different formation mechanisms for the orientation of planes of dwarf galaxies.
description: 9 pages, 3 figures, 1 table
New classes of quasi-solvable potentials, their exactly-solvable limit and related orthogonal polynomials
Creators: name: Ganguly, Asish
Publisher: name: arXiv
Year: 2002
Subjects: subject: Mathematical Physics (math-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We have generated, using an sl(2,R) formalism, several new classes of quasi-solvable elliptic potentials, which in the appropriate limit go over to the exactly solvable forms. We have obtained exact solutions of the corresponding spectral problems for some real values of the potential parameters. We have also given explicit expressions of the families of associated orthogonal polynomials in the energy variable.
description: 14 pages, 5 tables, LaTeX2e
Derivation of the sterile neutrino Boltzmann equation from quantum kinetics
Creators: name: Johns, Lucas
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: An extensive, growing body of work has been penned on cosmologies that include one or more sterile neutrinos. Early entries in the literature formulated a Boltzmann-like equation describing sterile-neutrino production in a way that bypasses the numerical tracking of high-frequency complex phases, and meticulous quantum-kinetic analyses shortly thereafter put the formula on firmer ground. A new and more direct derivation is given here, showing that the equation follows almost immediately from a quantum relaxation-time approximation and an expansion in the mixing angle. Besides reproducing the desired result, the relaxation ansatz captures to a high degree of accuracy the interlaced dynamics of oscillations, decoherence, and plasma repopulation. Successes and limitations of the semiclassical equation are illustrated numerically and are shown to reflect the accuracy of the approximations employed in the derivation. The inclusion of interactions among the sterile neutrinos is also briefly addressed.
description: 7 pages, 5 figures
Three Generation Neutrino Oscillation Parameters after SNO
Creators: name: Bandyopadhyay, Abhijit
name: Choubey, Sandhya
name: Goswami, Srubabati
name: Kar, Kamales
Publisher: name: arXiv
Year: 2001
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Astrophysics (astro-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We examine the solar neutrino problem in the context of the realistic three neutrino mixing scenario including the SNO charged current (CC) rate. The two independent mass squared differences $Δm^2_{21}$ and $Δm^2_{31} \approx Δm^2_{32}$ are taken to be in the solar and atmospheric ranges respectively. We incorporate the constraints on $Δ$m$^2_{31}$ as obtained by the SuperKamiokande atmospheric neutrino data and determine the allowed values of $Δm^2_{21}$, $θ_{12}$ and $θ_{13}$ from a combined analysis of solar and CHOOZ data. Our aim is to probe the changes in the values of the mass and mixing parameters with the inclusion of the SNO data as well as the changes in the two-generation parameter region obtained from the solar neutrino analysis with the inclusion of the third generation. We find that the inclusion of the SNO CC rate in the combined solar + CHOOZ analysis puts a more restrictive bound on $θ_{13}$. Since the allowed values of $θ_{13}$ are constrained to very small values by the CHOOZ experiment there is no qualitative change over the two generation allowed regions in the $Δm^2_{21} - \tan^2 θ_{12}$ plane. The best-fit comes in the LMA region and no allowed area is obtained in the SMA region at 3$σ$ level from combined solar and CHOOZ analysis.
description: One reference added. Version to apprear in PRD
Distributed Detection of Sparse Stochastic Signals via Fusion of 1-bit Local Likelihood Ratios
Creators: name: Li, Chengxi
name: He, You
name: Wang, Xueqian
name: Li, Gang
name: Varshney, Pramod K.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: In this letter, we consider the detection of sparse stochastic signals with sensor networks (SNs), where the fusion center (FC) collects 1-bit data from the local sensors and then performs global detection. For this problem, a newly developed 1-bit locally most powerful test (LMPT) detector requires 3.3Q sensors to asymptotically achieve the same detection performance as the centralized LMPT (cLMPT) detector with Q sensors. This 1-bit LMPT detector is based on 1-bit quantized observations without any additional processing at the local sensors. However, direct quantization of observations is not the most efficient processing strategy at the sensors since it incurs unnecessary information loss. In this letter, we propose an improved-1-bit LMPT (Im-1-bit LMPT) detector that fuses local 1-bit quantized likelihood ratios (LRs) instead of directly quantized local observations. In addition, we design the quantization thresholds at the local sensors to ensure asymptotically optimal detection performance of the proposed detector. It is shown theoretically and numerically that, with the designed quantization thresholds, the proposed Im-1-bit LMPT detector for the detection of sparse signals requires less number of sensor nodes to compensate for the performance loss caused by 1-bit quantization.
description: 5 pages,2 figures, published in IEEE Signal Processing Letters (SPL)
Further remarks on $ππ$ scattering dispersion relations
Creators: name: Xiao, Zhiguang
name: Zheng, Hanqing
Publisher: name: arXiv
Year: 2002
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The naive use of higher order perturbation theory leads the left--hand cut integrals in $ππ$ dispersion relations~\cite{hjy,Xiao01} divergent. This problem is discussed and solved. Also we point out that the Adler zero condition imposes three constraints on the dispersion relations. The $σ$ pole position is determined using the improved method, $M_σ= 483\pm 13 {\rm MeV}$,$Γ_σ= 705 \pm 50{\rm MeV}$. The scattering length parameter is found to be in excellent agreement with the experimental result.
description: replace with revised version to appear in Chinese Physics Letters. Numerical calculation improved. $M_\sigma\simeq 483 {\rm MeV}$,$\Gamma_\sigma\simeq 705 {\rm MeV}$
Ice-shelf vibrations modeled by a full 3-D elastic model (Version#7)
Creators: name: Yuri V. Konovalov
Publisher: name: Zenodo
Year: 2025
Subjects: ice shelf vibrations, ice shelf modeling, elastic models, finite-difference models, meltwater lakes

description: This version presents a model (description and code) of ice shelf vibrations that takes into account the presence of meltwater lakes on the ice shelf surface and is based on the finite difference method. The subglacial flow of seawater in the cavity is described by the wave equation, as in previous versions. In this model, the gravity waves on the surface of meltwater lakes are described by the wave equation for long gravity waves.