cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Continuous dependence of an invariant measure on the jump rate of a piecewise-deterministic Markov process
Creators: name: Czapla, Dawid
name: Hille, Sander C.
name: Horbacz, Katarzyna
name: Wojewódka-Ściążko, Hanna
Publisher: name: arXiv
Year: 2019
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 60J05, 60J25, 37A30, 37A25

description: We investigate a piecewise-deterministic Markov process, evolving on a Polish metric space, whose deterministic behaviour between random jumps is governed by some semi-flow, and any state right after the jump is attained by a randomly selected continuous transformation. It is assumed that the jumps appear at random moments, which coincide with the jump times of a Poisson process with intensity $λ$. The model of this type, although in a more general version, was examined in our previous papers, where we have shown, among others, that the Markov process under consideration possesses a unique invariant probability measure, say $ν_λ^*$. The aim of this paper is to prove that the map $λ\mapstoν_λ^*$ is continuous (in the topology of weak convergence of probability measures). The studied dynamical system is inspired by certain stochastic models for cell division and gene expression.
description: 15 pages
Zeuxo (Zeuxo) holdichi Bamber 1990
Creators: name: Bamber, Roger N.
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Tanaidacea
Tanaididae
Zeuxo
Zeuxo holdichi

description: Zeuxo (Zeuxo) holdichi Bamber, 1990
 Zeuxo (Zeuxo) holdichi Bamber, 1990, 1588 –1596; figs 1–5.
 Material
 Eleven brooding ♀♀, 6♀♀ with oostegites, 28♀♀ without oostegites, 13♂♂, 7 neuters, 23 mancae, idiotypes (BMNH 2009.292 – 301), low-littoral Audouinella -bedded sand on bedrock, Thomas Porth, St Mary’s, 49  ◦  55.18  ′  N, 06  ◦  18.56  ′  W, 27 June 2009; 4 brooding ♀♀, 1♀ with oostegites, 1♂, 4 neuters, idiotypes (NMW 2009.034.7), 49  ◦  57.77  ′  N, 06  ◦  18.36  ′  W, macroalgae on gravel, 10.3 m depth, Tjärnö dredge, 28 June 2009; 1♂, idiotype, open sand, LWST, off Old Quay, St Martin’s Flats, St Martin’s, 49  ◦  57.46  ′  N, 06  ◦  17.41  ′  W, 10 September 2010; 26 brooding ♀♀, 8♀♀ with oostegites, 17♀♀ without oostegites, 12♂♂, 32 neuters, 21 mancae, idiotypes, low-littoral Audouinella -bedded sand, Pelistry Bay, St Mary’s, 49  ◦  55.68  ′  N, 06  ◦  16.82  ′  W, 12 September 2010. All coll. RNB.
 Other unpublished material examined
One ♀ with oostegites, Old Grimsby, Tresco, 10 September 2006 (coll. P R Garwood).
 Remarks
 This material represents the first published records of this species for the British Isles, although Bamber (1990) predicted its occurrence in southwestern UK. The typelocality for Zeuxo holdichi is littoral to 5 m depth in the Baie d’Arcachon (44  ◦  40  ′  N, 01  ◦  09  ′  W), since when it has been recorded littorally at St Geran, Golfe de St Malo, Brittany, 48  ◦  39.1  ′  N, 02  ◦  17.9  ′  W (29 June 1996), at Lilia, northwest of Plougerneau, Brittany, 48  ◦  37.9  ′  N, 04  ◦  33.8  ′  W (2 July 1996), in the Baie du Mont St Michel (coll. M. Davis; unpublished), in Mill Bay Dock, Plymouth (3 September 2009; id. P. Garwood, coll. P. Smith), and within Zostera beds in Galicia, Spain (42  ◦  29.53  ′  N, 08  ◦  52.03  ′  W) (Esquete-Garrote et al. 2009) and in the Ria de Aveiro, Portugal (40  ◦  40  ′  N, 08  ◦  40  ′  W) (Cunha et al. 1999) (Figure 2).
 It is a smaller and more slender species than Tanais dulongii, with which it occurred sympatrically in the Isles of Scilly, and it is without the dorsal rows of plumose setae on the first two pleonites found in Tanais species. Although only recorded to date from St Mary’s and Tresco, Zeuxo holdichi is probably present throughout the archipelago.
description: Published as part of Bamber, Roger N., 2011, The marine fauna and flora of the Isles of Scilly. Tanaidacea (Crustacea: Peracarida), pp. 1801-1815 in Journal of Natural History 45 (29 - 30) on page 1808, DOI: 10.1080/00222933.2011.560968, http://zenodo.org/record/5203995
Minnesota Farm Business Notes No. 474
Creators: name: Christiansen, M. K.
name: Hammond, Jerome W.
name: Christiansen, M. K.
name: Hammond, Jerome W.
Publisher: name: Unknown
Year: 1965
Subjects: subject: Livestock Production/Industries
subject: Marketing
subject: FOS: Economics and business

description: "Milk Marketing Regulations" and "Production and Market Growth of Nonfat Dry Milk"
Akanthophoreus gracilis
Creators: name: Bamber, Roger N.
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Tanaidacea
Akanthophoreidae
Akanthophoreus
Akanthophoreus gracilis

description: Akanthophoreus gracilis (Krøyer, 1842)
 Leptognathia gracilis Holdich and Jones, 1983, 70–71; fig. 24.
 Material
 One ♀, 1 neuter, 49  ◦  55.43  ′  N, 06  ◦  16.41  ′  W, muddy sand with some shell breccia, 36 m depth, van Veen grab, 27 June 2009; 2♀♀, 49  ◦  55.42  ′  N, 06  ◦  16.41  ′  W, muddy sand with some shell breccia, 37 m depth, van Veen grab, 27 June 2009.
 Remarks
 This species is generally regarded as a northern species, having been found in the North Sea, the Irish Sea, the west coasts of Scotland and Ireland as well as further north (Greenland; records from Alaska are in need of re-examination). Indeed, Holdich and Jones (1983) stated that its southern limit “is approximately 52  ◦  N ”. These two records, from the muddy-sand with gravel or shell substratum typical for the species, extend its known distribution much further south.
 Not recorded previously from the Isles of Scilly. It is unlikely that the taxa recorded as “ Leptognathia sp. ” by Rostron (1983, 1988) were of this species, as her sampling was in cleaner sand; those records are presumed to have been Tanaissus danica (see below).
description: Published as part of Bamber, Roger N., 2011, The marine fauna and flora of the Isles of Scilly. Tanaidacea (Crustacea: Peracarida), pp. 1801-1815 in Journal of Natural History 45 (29 - 30) on pages 1808-1810, DOI: 10.1080/00222933.2011.560968, http://zenodo.org/record/5203995
The Aichelburg-Sexl Boost of Domain-Walls and Cosmic Strings
Creators: name: Barrabes, C.
name: Hogan, P. A.
name: Israel, W.
Publisher: name: arXiv
Year: 2002
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We consider the application of the Aichelburg-Sexl boost to plane and line distributions of matter. Our analysis shows that for a domain wall the space-time after the boost is flat except on a null hypersurface which is the history of a null shell. For a cosmic string we study the influence of the boost on the conical singularity and give the new value of the conical deficit.
description: Latex File, 12 pages, accepted for publication in Physical Review D
Agricultural Producer Groups in Poland: Empirical Survey Results
Creators: name: Banaszak, Ilona
name: Banaszak, Ilona
Publisher: name: Unknown
Year: 2008
Subjects: subject: International Relations/Trade
subject: Research Methods/ Statistical Methods
subject: Producer groups
subject: Poland

description: The article presents basic results from an empirical survey carried out in Poland with leaders of farmer organizations called producer groups. The main objective of the research was to understand the process of formation and the mechanism of functioning of the groups as well as to identify problems and critical points during the groups’ running. The data suggest that the core element to understand the phenomena of producer groups in Poland is not only to analyze the economic and market situation of the groups, but also to investigate the nature of collective actions in their governance dimension.
Luminosity Models and Density Profiles for Nuclear Star Clusters for a Nearby Volume-Limited Sample of 29 Galaxies
Creators: name: Pechetti, Renuka
name: Seth, Anil
name: Neumayer, Nadine
name: Georgiev, Iskren
name: Kacharov, Nikolay
name: Brok, Mark den
Publisher: name: arXiv
Year: 2019
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Nuclear Star Clusters (NSCs) are dense clusters of stars that reside in the centers of a majority of the galaxies. In this paper, we study the density profiles for 29 galaxies in a volume-limited survey within 10 Mpc to characterize their NSCs. These galaxies span a 3$\times$10$^8$ - 8$\times$10$^{10}$ M$_\odot$ and a wide range of Hubble types. We use high-resolution Hubble space telescope archival data to create luminosity models for the galaxies using Sérsic profiles to parameterize the NSCs. We also provide estimates for photometric masses of NSCs and their host galaxies using color-M/L relationships and examine their correlation. We use the Multi-Gaussian Expansion (MGE) to derive the NSC densities and their 3-D mass density profiles. The 3-D density profiles characterize the NSC densities on the scales as small as $\sim$1 pc, approaching the likely spheres of influence for black holes in these objects. We find that these densities correlate with galaxy mass, with galaxies most NSCs being denser than typical globular clusters. We parametrize the 3-D NSC density profiles, and their scatter and slope as a function of galaxy stellar mass to enable the construction of realistic nuclear mass profiles. These are useful in predicting the rate of tidal disruption events in galaxies. We will verify the results of this paper in a follow-up paper that presents the dynamical modeling of the same sample of NSCs.
description: 20 pages, 11 figures, Submitted for publication in the AAS Journals
Re-visit the N/Z ratio of free nucleons from collisions of neutron -rich nuclei as a probe of EoS of asymmetric nuclear matter
Creators: name: Li, Qingfeng
name: Li, Zhuxia
name: Zhao, Enguang
name: Stoecker, H.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The N/Z ratio of free nucleons from collisions of neutron-rich nuclei as a function of their momentum is studied by means of Isospin dependent Quantum Molecular Dynamics. We find that this ratio is not only sensitive to the form of the density dependence of the symmetry potential energy but also its strength determined by the symmetry energy coefficient. The uncertainties about the symmetry energy coefficient influence the accuracy of probing the density dependence of the symmetry energy by means of the N/Z ratio of free nucleons of neutron-rich nuclei.
description: 15 pages, 6 figures, 2 tables. accepted by Commun. Theor. Phys. (Beijing, China)
Propagators and running coupling from SU(2) lattice gauge theory
Creators: name: Bloch, Jacques C. R.
name: Cucchieri, Attilio
name: Langfeld, Kurt
name: Mendes, Tereza
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We perform numerical studies of the running coupling constant alpha_R(p^2) and of the gluon and ghost propagators for pure SU(2) lattice gauge theory in the minimal Landau gauge. Different definitions of the gauge fields and different gauge-fixing procedures are used respectively for gaining better control over the approach to the continuum limit and for a better understanding of Gribov-copy effects. We find that the ghost-ghost-gluon-vertex renormalization constant is finite in the continuum limit, confirming earlier results by all-order perturbation theory. In the low momentum regime, the gluon form factor is suppressed while the ghost form factor is divergent. Correspondingly, the ghost propagator diverges faster than 1/p^2 and the gluon propagator appears to be finite. Precision data for the running coupling alpha_R(p^2) are obtained. These data are consistent with an IR fixed point given by lim_{p \to 0} alpha_R(p^2) = 5(1).
description: Latex, 31 pages with 7 figures and 4 tables
OD-Vis: A Map-based Dashboard for Insight Discovery of OD Data
Creators: name: Zuo, Chenyu
name: Balac, Milos
name: Grübel, Jascha
name: Axhausen, Kay W.
Publisher: name: ETH Zurich
Year: 2024
Subjects: Map-based dashboard
OD data
Visual analytics
Transportation

description: Abstracts of the ICA, 7
description: ISSN:2570-2106
On Accurate and Reliable Anomaly Detection for Gas Turbine Combustors: A Deep Learning Approach
Creators: name: Yan, Weizhong
name: Yu, Lijie
Publisher: name: arXiv
Year: 2019
Subjects: subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: Monitoring gas turbine combustors health, in particular, early detecting abnormal behaviors and incipient faults, is critical in ensuring gas turbines operating efficiently and in preventing costly unplanned maintenance. One popular means of detecting combustor abnormalities is through continuously monitoring exhaust gas temperature profiles. Over the years many anomaly detection technologies have been explored for detecting combustor faults, however, the performance (detection rate) of anomaly detection solutions fielded is still inadequate. Advanced technologies that can improve detection performance are in great need. Aiming for improving anomaly detection performance, in this paper we introduce recently-developed deep learning (DL) in machine learning into the combustors anomaly detection application. Specifically, we use deep learning to hierarchically learn features from the sensor measurements of exhaust gas temperatures. And we then use the learned features as the input to a neural network classifier for performing combustor anomaly detection. Since such deep learned features potentially better capture complex relations among all sensor measurements and the underlying combustor behavior than handcrafted features do, we expect the learned features can lead to a more accurate and robust anomaly detection. Using the data collected from a real-world gas turbine combustion system, we demonstrated that the proposed deep learning based anomaly detection significantly indeed improved combustor anomaly detection performance.
description: 8 pages
Comparative study of the direct $α+d$ $\rightarrow$ $^6$Li + $γ$ astrophysical capture reaction in few-body models
Creators: name: Tursunov, E. M.
name: Turakulov, S. A.
name: Kadyrov, A. S.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Nuclear Theory (nucl-th)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: A comparative analysis of the astrophysical S factor and the reaction rate for the direct $ α(d,γ)^{6}{\rm Li}$ capture reaction, and the primordial abundance of the $^6$Li element, resulting from two-body, three-body and combined cluster models is presented. It is shown that the two-body model, based on the exact-mass prescription, can not correctly describe the dependence of the isospin-forbidden E1 S factor on energy and does not reproduce the temperature dependence of the reaction rate from the direct LUNA data. It is demonstrated that the isospin-forbidden E1 astrophysical S factor is very sensitive to the orthogonalization procedure of Pauli-forbidden states within the three-body model. On the other hand, the E2 S factor does not depend on the orthogonalization method. This insures that the orthogonolizing pseudopotentials method yields a very good description of the LUNA collaboration's low-energy direct data. At the same time, the SUSY transformation significantly underestimates the data from the LUNA collaboration. On the other hand, the energy dependence of the E1 S factor are the same in both methods. The best description of the LUNA data for the astrophysical S factor and the reaction rates is obtained within the combined E1(three-body OPP)+E2(two-body) model. It yields a value of $(0.72 \pm 0.01) \times 10^{-14}$ for the $^6$Li/H primordial abundance ratio, consistent with the estimation $(0.80 \pm 0.18) \times 10^{-14}$ of the LUNA collaboration. For the $^6{\rm Li}/^7{\rm Li}$ abundance ratio an estimation $(1.40\pm 0.12)\times 10^{-5}$ is obtained in good agreement with the Standard Model prediction.
description: 7 pages, 4 figures, 1 table. arXiv admin note: substantial text overlap with arXiv:1903.02403, arXiv:1808.04125
Curvature, Covering Spaces, and Seiberg-Witten Theory
Creators: name: LeBrun, Claude
Publisher: name: arXiv
Year: 2001
Subjects: subject: Differential Geometry (math.DG)
subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 53C27; 57R57

description: The Yamabe invariant Y(M) of a smooth compact manifold is roughly the supremum of the scalar curvatures of unit-volume constant-scalar-curvature Riemannian metrics g on M. (To be precise, one only considers those constant-scalar-curvature metrics which are Yamabe minimizers, but this technicality does not, e.g. affect the sign of the answer.) In this article, it is shown that many 4-manifolds M with Y(M) < 0 have have finite covering spaces \tilde{M} with Y(\tilde{M}) > 0.
description: Source file for published version. Discussion expanded, minor errors corrected. 8 pages, LaTeX2e
Electron g-factor engineering for non-reciprocal spin photonics
Creators: name: Sengupta, Parijat
name: Khandekar, Chinmay
name: Van Mechelen, Todd
name: Rahman, Rajib
name: Jacob, Zubin
Publisher: name: arXiv
Year: 2019
Subjects: subject: Applied Physics (physics.app-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We study the interplay of electron and photon spin in non-reciprocal materials. Traditionally, the primary mechanism to design non-reciprocal photonic devices has been magnetic fields in conjunction with magnetic oxides, such as iron garnets. In this work, we present an alternative paradigm that allows tunability and reconfigurability of the non-reciprocity through spintronic approaches. The proposed design uses the high-spin-orbit coupling of a narrow-band gap semiconductor (InSb) with ferromagnetic dopants. A combination of the intrinsic and a gate-applied electric field gives rise to a strong external Rashba spin-orbit coupling (RSOC) in a magnetically doped InSb film. The RSOC which is gate alterable is shown to adjust the magnetic permeability tensor via the electron g-factor of the medium. We use electronic band structure calculations (k$\cdot$p theory) to show the gate-adjustable RSOC manifest itself in the non-reciprocal coefficient of photon fields via shifts in the Kerr and Faraday rotations. In addition, we show that photon spin properties of dipolar emitters placed in the vicinity of a non-reciprocal electromagnetic environment is distinct from reciprocal counterparts. The Purcell factor (F$_{p}$) of a spin-polarized emitter (right-handed circular dipole) is significantly enhanced due to a larger g-factor while a left-handed dipole remains essentially unaffected. Our work can lead to electron spin controlled reconfigurable non-reciprocal photonic devices.
description: 10 pages, 7 figures
Minnesota Farm Business Notes No. 476
Creators: name: Nodland, Truman R.
name: Engene, Selmer A.
name: Hyslop, John D.
name: Dahl, Reynold P.
name: Nodland, Truman R.
name: Engene, Selmer A.
name: Hyslop, John D.
name: Dahl, Reynold P.
Publisher: name: Unknown
Year: 1965
Subjects: Agricultural Finance
Farm Management

description: "Trends in Farm Receipts and Expenses" and "Analyzing Spring Wheat Protein Premiums"
Phase Field Benchmark Problems for Dendritic Growth and Linear Elasticity
Creators: name: Jokisaari, Andrea M.
name: Voorhees, Peter W.
name: Guyer, Jonathan E.
name: Warren, James A.
name: Heinonen, Olle G.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: We present the second set of benchmark problems for phase field models that are being jointly developed by the Center for Hierarchical Materials Design (CHiMaD) and the National Institute of Standards and Technology (NIST) along with input from other members in the phase field community. As the integrated computational materials engineering (ICME) approach to materials design has gained traction, there is an increasing need for quantitative phase field results. New algorithms and numerical implementations increase computational capabilities, necessitating standard problems to evaluate their impact on simulated microstructure evolution as well as their computational performance. We propose one benchmark problem for solidification and dendritic growth in a single-component system, and one problem for linear elasticity via the shape evolution of an elastically constrained precipitate. We demonstrate the utility and sensitivity of the benchmark problems by comparing the results of 1) dendritic growth simulations performed with different time integrators and 2) elastically constrained precipitate simulations with different precipitate sizes, initial conditions, and elastic moduli. These numerical benchmark problems will provide a consistent basis for evaluating different algorithms, both existing and those to be developed in the future, for accuracy and computational efficiency when applied to simulate physics often incorporated in phase field models.
Baryogensis in fresh inflation
Creators: name: Bellini, Mauricio
Publisher: name: arXiv
Year: 2002
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: I study the possibility of baryogenesis can take place in fresh inflation. I find that it is possible that violation of baryon number conservation can occur during the period out-of-equilibrium in this scenario. Indeed, baryogenesis could be possible before the thermal equilibrium is restored at the end of fresh inflation.
description: 11 pages, no figures
A systematic study of proto-neutron star convection in three-dimensional core-collapse supernova simulations
Creators: name: Nagakura, Hiroki
name: Burrows, Adam
name: Radice, David
name: Vartanyan, David
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: This paper presents the first systematic study of proto-neutron star (PNS) convection in three dimensions (3D) based on our latest numerical Fornax models of core-collapse supernova (CCSN). We confirm that PNS convection commonly occurs, and then quantify the basic physical characteristics of the convection. By virtue of the large number of long-term models, the diversity of PNS convective behavior emerges. We find that the vigor of PNS convection is not correlated with CCSN dynamics at large radii, but rather with the mass of PNS $-$ heavier masses are associated with stronger PNS convection. We find that PNS convection boosts the luminosities of $ν_μ$, $ν_τ$, $\barν_μ$, and $\barν_τ$ neutrinos, while the impact on other species is complex due to a competition of factors. Finally, we assess the consequent impact on CCSN dynamics and the potential for PNS convection to generate pulsar magnetic fields.
description: Accepted to MNRAS
The Governance of Cooperation – Policy implications for rural Central and Eastern Europe
Creators: name: Murray, Catherine
name: Beckmann, Volker
name: Hurrelmann, Annette
name: Murray, Catherine
name: Beckmann, Volker
name: Hurrelmann, Annette
Publisher: name: Unknown
Year: 2008
Subjects: subject: Community/Rural/Urban Development
subject: International Development
subject: International Relations/Trade
subject: cooperation
subject: social capital
subject: rural policy
subject: policy evaluation

description: The newly acceded Central and Eastern European states find their rural development strategy should fit into the European Union’s (EU) framework and policy for rural development. The EU’s approach is based on using rural networks for policy implementation, or building networks where they are missing in a participatory manner. This principle has been expounded in the new Rural Development Regulation for the period 2007-2013. Such an approach requires cooperation between individuals, or the coordinated action and collaboration of individuals within a group. Thus governance structures are instituted within these groups. This paper explores the governance of cooperation using case studies conducted in rural CEE. The case studies were undertaken within the IDARI project (Integrated Development of Agriculture and Rural Institutions in Central and Eastern European Countries). An evaluation tool was developed to classify the effect of policy on cooperation between agents. Policy can have a direct or indirect effect on existing networks, both of which should be understood at the policy design stage.
Dielectric Measurements of PAN Precursor and Stabilized Fibers
Creators: name: Hofele, Julia
name: Link, Guido
name: Jelonnek, John
Publisher: name: Institute of Electrical and Electronics Engineers (IEEE)
Year: 2020

description: Given that the carbon fiber production is an energy intensive process, new approaches are investigated. One option might be dielectric heating, but in order to design an efficient applicator, the knowledge of the temperature dependent dielectric properties is a requirement. In this paper the focus is on the dielectric measurements of the Polyacrylonitrile (PAN) precursor fibers and stabilized fibers. A measurement system was developed that is capable to monitor in-situ changes of the dielectric properties during the stabilization process of the PAN fiber. First results show that the losses of the PAN fiber are strongly varying with the temperature. Additionally, the change in the dielectric properties due to the chemical transformation during the stabilization process can be tracked. The strong temperature dependency is decreasing with a higher degree of stabilization.
Resistance distance in directed cactus graphs
Creators: name: R., Balaji
name: Bapat, Ravindra B.
name: Goel, Shivani
Publisher: name: arXiv
Year: 2019
Subjects: subject: Combinatorics (math.CO)
subject: Functional Analysis (math.FA)
subject: FOS: Mathematics

description: Let $G=(V,E)$ be a strongly connected and balanced digraph with vertex set $V=\{1,\dotsc,n\}$. The classical distance $d_{ij}$ between any two vertices $i$ and $j$ in $G$ is the minimum length of all the directed paths joining $i$ and $j$. The resistance distance (or, simply the resistance) between any two vertices $i$ and $j$ in $V$ is defined by $r_{ij}:=l_{ii}^†+l_{jj}^†-2l_{ij}^†$, where $l_{pq}^{\dagger}$ is the $(p,q)^{\rm th}$ entry of the Moore-Penrose inverse of $L$ which is the Laplacian matrix of $G$. In practice, the resistance $r_{ij}$ is more significant than the classical distance. One reason for this is, numerical examples show that the resistance distance between $i$ and $j$ is always less than or equal to the classical distance, i.e. $r_{ij} \leq d_{ij}$. However, no proof for this inequality is known. In this paper, we show that this inequality holds for all directed cactus graphs.
Thermally induced spin flips above an atom chip
Creators: name: Jones, M. P. A.
name: Vale, C. J.
name: Sahagun, D.
name: Hall, B. V.
name: Hinds, E. A.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We describe an experiment in which Bose-Einstein condensates and cold atom clouds are held by a microscopic magnetic trap near a room temperature metal wire 500 $μ$m in diameter. The ensemble of atoms breaks into fragments when it is brought close to the ceramic-coated aluminum surface of the wire, showing that fragmentation is not peculiar to copper surfaces. The lifetime for atoms to remain in the microtrap is measured over a range of distances down to $27 μ$m from the surface of the metal. We observe the loss of atoms from the microtrap due to spin flips. These are induced by radio-frequency thermal fluctuations of the magnetic field near the surface, as predicted but not previously observed.
description: 4 pages, 4 figures
General relativistic model for experimental measurement of the speed of propagation of gravity by VLBI
Creators: name: Kopeikin, Sergei
name: Fomalont, Ed
Publisher: name: arXiv
Year: 2002
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Astrophysics (astro-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: A relativistic sub-picosecond model of gravitational time delay in radio astronomical observations is worked out and a new experimental test of general relativity is discussed in which the effect of retardation of gravity associated with its finite speed can be observed. As a consequence, the speed of gravity can be measured by differential VLBI observations. Retardation in propagation of gravity is a central part of the Einstein theory of general relativity which has not been tested directly so far. The idea of the proposed gravitational experiment is based on the fact that gravity in general relativity propagates with finite speed so that the deflection of light caused by the body must be sensitive to the ratio of the body's velocity to the speed of gravity. The interferometric experiment can be performed, for example, during the very close angular passage of a quasar by Jupiter. Due to the finite speed of gravity and orbital motion of Jupiter, the variation in its gravitational field reaches observer on Earth not instantaneously but at the retarded instant of time and should appear as a velocity-dependent excess time delay in addition to the well-known Shapiro delay, caused by the static part of the Jupiter's gravitational field. Such Jupiter-QSO encounter events take place once in a decade. The next such event will occur on September 8, 2002 when Jupiter will pass by quasar J0842+1835 at the angular distance 3.7 arcminutes. If radio interferometric measurement of the quasar coordinates in the sky are done with the precision of a few picoseconds (about 5 microarcseconds) the effect of retardation of gravity and its speed of propagation may be measured with an accuracy about 10%.
description: 4 pages, Proceedings of the 6th European VLBI Network Symposium, Ros, E., Porcas, R.W., Zensus, J.A. (eds.), MPIfR, Bonn, Germany (2002)
Minnesota Farm Business Notes No. 477
Creators: name: Kaldenberg, Ronald E.
name: Dahl, Reynold P.
name: Sundquist, W. Burt
name: Kaldenberg, Ronald E.
name: Dahl, Reynold P.
name: Sundquist, W. Burt
Publisher: name: Unknown
Year: 1965
Subjects: Agribusiness
Crop Production/Industries
Farm Management

description: "Minnesota's Country Elevator Industry" and "Managerial Services for Farmers- A Look Ahead"
The final SDSS-IV/SPIDERS X-ray point source spectroscopic catalogue
Creators: name: Comparat, J.
name: Merloni, A.
name: Dwelly, T.
name: Salvato, M.
name: Schwope, A.
name: Coffey, D.
name: Wolf, J.
name: Arcodia, R.
name: Liu, T.
name: Buchner, J.
name: Nandra, K.
name: Georgakakis, A.
name: Clerc, N.
name: Brusa, M.
name: Brownstein, J. R.
name: Schneider, D. P.
name: Pan, K.
name: Bizyaev, D.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We look to provide a detailed description of the SPectroscopic IDentification of ERosita Sources (SPIDERS) survey, an SDSS-IV programme aimed at obtaining spectroscopic classification and redshift measurements for complete samples of sufficiently bright X-ray sources. We describe the SPIDERS X-ray Point Source Spectroscopic Catalogue, considering its store of 11,092 observed spectra drawn from a parent sample of 14,759 ROSAT and XMM sources over an area of 5,129 deg$^2$ covered in SDSS-IV by the eBOSS survey. This programme represents the largest systematic spectroscopic observation of an X-ray selected sample. A total of 10,970 (98.9\%) of the observed objects are classified and 10,849 (97.8\%) have secure redshifts. The majority of the spectra (10,070 objects) are active galactic nuclei (AGN), 522 are cluster galaxies, and 294 are stars. The observed AGN redshift distribution is in good agreement with simulations based on empirical models for AGN activation and duty cycle. Forming composite spectra of type 1 AGN as a function of the mass and accretion rate of their black holes reveals systematic differences in the H-beta emission line profiles. This study paves the way for systematic spectroscopic observations of sources that are potentially to be discovered in the upcoming eROSITA survey over a large section of the sky.
description: accepted in A&A Please visit our project page : http://www.mpe.mpg.de/XraySurveys/SPIDERS The catalogs are here : https://data.sdss.org/sas/dr16/eboss/spiders/analysis/VAC_SPIDERS_2RXS_DR16.fits and https://data.sdss.org/sas/dr16/eboss/spiders/analysis/VAC_SPIDERS_XMMSL2_DR16.fits
Invariant description of solutions of hydrodynamic type systems in hodograph space: hydrodynamic surfaces
Creators: name: Ferapontov, E. V.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences

description: Hydrodynamic surfaces are solutions of hydrodynamic type systems viewed as non-parametrized submanifolds of the hodograph space. We propose an invariant differential-geometric characterization of hydrodynamic surfaces by expressing the curvature form of the characteristic web in terms of the reciprocal invariants.
description: 12 pages
GPS-X Based Simulation and Validation Study for Simultaneous Nitri-Denitrification (SND) Process in Biofloc MBBR
Creators: name: Magdum, Sandip
name: Kalyanraman, V.
Publisher: name: figshare
Year: 2021
Subjects: subject: 90701 Environmental Engineering Design
subject: FOS: Environmental engineering
subject: 90703 Environmental Technologies
subject: 90409 Wastewater Treatment Processes
subject: FOS: Chemical engineering

description: The application of simulation models provides us the fastest mode to analyze and get a design understanding of variable parameters such as incoming contaminant load, flow, and temperature on biological wastewater treatment for the new or retrofitting facility. Overall modelling methods used for wastewater treatment plant engineering design assistance, troubleshooting, optimization, planning, operator training, and education purpose. Operational difficulties and new processes such as nutrient removal led to increased use of the models, and this in turn to the need for the creation of mathematical models incorporating all the involved mechanisms. GPS-X simulation software (v7.0, Hydromantis Environmental Software Solutions, Inc., Hamilton, Ontario, Canada) can be utilized for MBBR (moving bed bio-reactor) based system with minimum complexity. The developed biofloc MBBR removes ammoniacal nitrogen from wastewater by using SND (simultaneous nitri-denitrification) process. The purpose of this study is to validate the process design parameters required to achieve optimum SND in biofloc MBBR by using GPS-X simulating software.
title: Meandering Main Pancreatic Duct - a cause for recurrent acute pancreatitis
Creators: name: Kulkarni, Amol Anil
Publisher: name: EURORAD
Year: 2021
Subjects: subject: Abdominal imaging
subject: Abdomen
subject: Pancreas
subject: CT
subject: MR-Cholangiography
subject: Clinical Cases

description: Clinical History: A 20-years-old non-smoker/non-alcoholic male suffered from two episodes of acute pancreatitis in the last 6 months. The last episode occurred one month ago. The episodes were unprovoked with raised Sr.lipase & Sr.amylase levels. Both episodes were managed conservatively. Investigations including LFT, Lipid profile, Sr.calcium, Sr. PTH were normal.

description: 20 years, male
Valuing Information on GM Foods in the Presence of Country-of-Origin Labels
Creators: name: Xie, Jing
name: Hyeyoung, Kim
name: House, Lisa
name: Xie, Jing
name: Hyeyoung, Kim
name: House, Lisa
Publisher: name: Unknown
Year: 2013
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Consumer/Household Economics
subject: Food Consumption/Nutrition/Food Safety
subject: Marketing
subject: FOS: Economics and business
subject: Genetically modified food
subject: biotechnology
subject: country of origin
subject: consumer attitudes

description: Information on production methods (genetic modification or organic production) and locations (country of origin) are commonly found on food package labels. Both pieces of information may be used as a proxy for food safety and quality by consumers. Our study investigates the interactive effects between information on production method and COOL by conducting choice experiments in the European Union, United States and Japan. This study also investigates the effect of information about potential benefits of biotechnology on consumer acceptance of GM foods. Results indicate that consumers preferred GM foods produced domestically to GM foods imported from foreign countries, and individuals with information on consumer benefits, producer benefits, and environmental benefits were willing to pay more than individuals without information in some cases, but the effect of information varied by type of information, location, and the country of origin of the products.
Mesoscopic Aharonov-Bohm oscillations in metallic rings
Creators: name: Ludwig, T.
name: Mirlin, A. D.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study the amplitude of mesoscopic Aharonov-Bohm oscillations in quasi-one-dimensional (Q1D) diffusive rings. We consider first the low-temperature limit of a fully coherent sample. The variance of oscillation harmonics is calculated as a function of the length of the leads attaching the ring to reservoirs. We further analyze the regime of relatively high temperatures, when the dephasing due to electron-electron interaction suppresses substantially the oscillations. We show that the dephasing length L_phi^AB governing the damping factor exp(-2pi R /L_phi^AB) of the oscillations is parametrically different from the common dephasing length for the Q1D geometry. This is due to the fact that the dephasing is governed by energy transfers determined by the ring circumference 2pi R, making L_phi^AB R-dependent.
description: 16 pages, 4 figures, to appear in proceedings of NATO/Euresco Conference "Fundamental Problems of Mesoscopic Physics: Interactions and Decoherence", Granada (Spain), September 2003
Finslerian geometrization of quantum mechanics in the hydrodynamical representation
Creators: name: Liang, Shi-Dong
name: Sabau, Sorin V.
name: Harko, Tiberiu
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We consider a Finslerian type geometrization of the non-relativistic quantum mechanics in its hydrodynamical (Madelung) formulation, by also taking into account the effects of the presence of the electromagnetic fields on the particle motion. In the Madelung representation the Schrödinger equation can be reformulated as the classical continuity and Euler equations of classical fluid mechanics in the presence of a quantum potential, representing the quantum hydrodynamical evolution equations. The equation of particle motion can then be obtained from a Lagrangian similar to its classical counterpart. After the reparametrization of the Lagrangian it turns out that the Finsler metric describing the geometric properties of quantum hydrodynamics is a Kropina metric. We present and discuss in detail the metric and the geodesic equations describing the geometric properties of the quantum motion in the presence of electromagnetic fields. As an application of the obtained formalism we consider the Zermelo navigation problem in a quantum hydrodynamical system, whose solution is given by a Kropina metric. The case of the Finsler geometrization of the quantum hydrodynamical motion of spinless particles in the absence of electromagnetic interactions is considered in detail, and the Zermelo navigation problem for this case is also discussed.
description: 15 pages, no figures, accepted for publication in PRD
LISA data analysis: The monochromatic binary detection and initial guess problems
Creators: name: Hellings, Ronald W.
Publisher: name: arXiv
Year: 2002
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We consider the detection and initial guess problems for the LISA gravitational wave detector. The detection problem is the problem of how to determine if there is a signal present in instrumental data and how to identify it. Because of the Doppler and plane-precession spreading of the spectral power of the LISA signal, the usual power spectrum approach to detection will have difficulty identifying sources. A better method must be found. The initial guess problem involves how to generate {\it a priori} values for the parameters of a parameter-estimation problem that are close enough to the final values for a linear least-squares estimator to converge to the correct result. A useful approach to simultaneously solving the detection and initial guess problems for LISA is to divide the sky into many pixels and to demodulate the Doppler spreading for each set of pixel coordinates. The demodulated power spectra may then be searched for spectral features. We demonstrate that the procedure works well as a first step in the search for gravitational waves from monochromatic binaries.
description: 8 pages, 8 figures
title: Stochastic Service Network Design for Intermodal Freight Transportation
Creators: name: Müller, Jan Philipp
Publisher: name: UNSPECIFIED
Year: 2022

description: In view of the accelerating climate change, greenhouse gas emissions from freight transportation must be significantly reduced over the next decades. Intermodal transportation can make a significant contribution here. During the transportation process, different modes of transportation are combined, enabling a modal shift to environmentally friendly alternatives such as rail and inland waterway transportation. However, at the same time, the organization of several modes is more complex compared to the unimodal case (where, for example, only trucks are employed). In particular, an efficient management of uncertainties, such as fluctuating transportation demand volumes or delays, is required to realize low costs and transportation times, thereby ensuring the attractiveness of intermodal transportation for a further modal shift. Stochastic service network design can explicitly consider such uncertainities in the planning in order to increase the performance of intermodal transportation. Decisions for the network design as well as for the mode choice are defined by mathematical optimization models, which originate from operations research and include relevant uncertainities by stochastic parameters. As central research gap, this dissertation addresses important operational constraints and decision variables of real-life intermodal networks, which have not been considered in these models so far and, in consequence, strongly limit their application in everyday operations. The resulting research contribution are two new variants of stochastic service network design models: The "stochastic service network design with integrated vehicle routing problem" integrates corresponding routing problems for road vehicles into the planning of intermodal networks. This new variant ensures a cost- and delay-minimal mode choice in the case of uncertain transportation times. The "stochastic service network design with short-term schedule modifications" deals with modifications of intermodal transportation schedules in order to adapt them to fluctuating demand as best as possible. For both new model variants, heuristic solution methods are presented which can efficiently solve even large network instances. Extensive case studies with real-world data demonstrate significant savings potentials compared to deterministic models as well as (simplified) stochastic models that already exist in literature.
The Role of Sensory Profile in the Extra-Virgin Olive Oil Consumers Choice
Creators: name: Cicia, Gianni
name: Caracciolo, Francesco
name: Del Giudice, Teresa
name: Sannino, G.
name: Verneau, Fabio
name: Cicia, Gianni
name: Caracciolo, Francesco
name: Del Giudice, Teresa
name: Sannino, G.
name: Verneau, Fabio
Publisher: name: Unknown
Year: 2013
Subjects: Agribusiness
Agricultural and Food Policy
Food Consumption/Nutrition/Food Safety

description: sensory profiles promoted by the Extra-virgin olive oil (EVO) is an important element of the Mediterranean diet and a valuable agricultural crop for Southern Europe countries in terms of both farm income and cultivated area. Moreover, given the increased popularity of the Mediterranean diet among consumers in US, Canada, Australia and large parts Asia, EVO consumption has grown almost worldwide. In Italy olive-oil production has switched from low yields and low-input cultivation to a capital intensive farming system involving innovations of both agricultural practices and processing techniques: sensory characteristics of the product were significantly improved, changing the traditional taste from “neutral odour and flavour” and well known organoleptic features, to new complex sensory profiles. This evolution is due to the developments that have taken place in the sensory analysis of olive oil and the use of trained panel responses as a means of monitoring and guidance in the production of quality oils. Currently, agricultural research and sensory panels managed not only to identify what aspects of taste and smell are indicators of quality of the oil but also the correlation of these with the production techniques. The situation today is that consumers can find on the market EVOs characterized by well-differentiated sensory profiles. On the consumption side, however, buyers seem still to prefer neutral flavour oils with little or no personality. This aspect deserves a central position in present research on EVOs because consumer preferences risk undermining all efforts to improve the quality of the product made from the production side. In the following work, the role of sensory components in the consumers preferences of EVOs will be explicitly evaluated through an Hedonic Price model. During October 2012, a sample of 68 EVOs available on the shelf of a Supermarket belonging to one of the largest big retailers operating in Italy were bought. The 68 different EVOOs were also evaluated by a panel of expert tasters to get a precise sensory profile for each of them. The results estimation of a simultaneous two equations model well highlighted the idiosyncrasy of the consumers’ preferences towards the trained experts.
Penentration of dynamic localized states in DC-driven Josephson junction ladders by discrete jumps
Creators: name: Fistul, M. V.
name: Page, J. B.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: We give a theoretical study of unusual resistive (dynamic) localized states in anisotropic Josephson junction ladders, driven by a DC current at one edge. These states comprise nonlinearly coupled rotating Josephson phases in adjacent cells, and with increasing current they are found to expand into neighboring cells by a sequence of sudden jumps. We argue that the jumps arise from instabilities in the ladder's superconducting part, and our analytic expressions for the peculiar voltage (rotational frequency) ratios and I-V curves are in very good agreement with direct numerical simulations.
description: Accepted, Physical Review E. 5 pages, 5 figures. Revtex, with postscript figures