cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Carbon Taxes and Feed-in Tariffs: Using Screening Curves and Load Duration to Determine the Optimal Mix of Generation Assets
Creators: name: Van Kooten, G. Cornelis
name: Lynch, Rachel
name: Duan, Jon
name: Van Kooten, G. Cornelis
name: Lynch, Rachel
name: Duan, Jon
Publisher: name: Unknown
Year: 2016
Subjects: subject: Environmental Economics and Policy
subject: Resource /Energy Economics and Policy
subject: Electricity
subject: renewable energy and climate change policy
subject: wind power
subject: nuclear energy

description: Mitigating climate change will require reduced use of fossil fuels to generate electricity. To do so and eschewing nuclear power, countries have turned to wind energy. In this study, we discuss how screening curves and load duration can be used to determine the optimal investment in generating assets, and extend this method to include wind and nuclear energy sources. We then use this approach to investigate the effects of carbon taxes and feed-in tariffs (FITs) on the optimal generation mix and the potential for reducing CO2 emissions. We find that a carbon tax is likely more effective than a feed-in tariff for removing fossil fuel assets and incentivizing investment in wind power. The tax leads to the removal of coal-fired capacity that is replaced by combined-cycle gas generation. However, if nuclear energy is permitted to enter the mix, the tax results in coal capacity replaced by nuclear power instead of gas, which leads to a significant reduction in greenhouse gas emissions compared to any other alternative considered. We also find that, because wind cannot substitute for baseload generation, the additional investment in wind resulting from a carbon tax or FIT is small compared to the absence of any incentives (only 7%). Finally, if the tax and FIT lead to the same mix of generating assets, the income distributional effects can be quite large. It is the distributional effects of policy, and associated rent seeking activities to implement a FIT, that could be the deciding factor in choosing between a carbon tax and feed-in tariff.
Introductory Lectures on D-Branes
Creators: name: Vancea, I. V.
Publisher: name: arXiv
Year: 2001
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: This is a pedagogical introduction to D-branes, addressed to graduate students in field theory and particle physics and to other beginners in string theory. I am not going to review the most recent results since there are already many good papers on web devoted to that. Instead, I will present some old techniques in some detail in order to show how some basic properties of strinfs and branes as the massless spectrum of string, the effective action of D-branes and their tension can be computed using QFT techniques. Also, I will present shortly the boundary state description of D-branes. The details are exposed for bosonic branes since I do not assume any previous knowledge of supersymmetry which is not a requirement for this school. However, for completeness and to provide basic notions for other lectures, I will discuss some properties of supersymemtric branes. The present lectures were delivered at Jorge André Swieca School on Particle and Fields, 2001, Campos do Jordão, Brazil.
description: 49 pages, LATeX file, some minor errors corrected and references added
A Study of the Sustainable Development of Rural Sports in Gannan
Creators: name: WANG, Xianyi
name: WANG, Xianyi
Publisher: name: Unknown
Year: 2016
Subjects: subject: Agribusiness
subject: Gannan
subject: Rural sports
subject: Sustainable development

description: Under the background of new urbanization and new rural construction, how to realize the sustainable development of rural sports is a problem to be solved. Using the methods of literature and logical analysis, based on expounding the relationship model of urbanization and new rural construction, with rural Gannan revolutionary base area as example, the rural sports development path is explored, so as to provide reference for sustainable development of rural sports.
Design and Control of a Bio-inspired Wheeled Bipedal Robot
Creators: name: Zhao, Haizhou
name: Yu, Lei
name: Qin, Siying
name: Jin, Gumin
name: Chen, Yuqing
Publisher: name: arXiv
Year: 2023
Subjects: subject: Robotics (cs.RO)
subject: Systems and Control (eess.SY)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Wheeled bipedal robots (WBRs) have the capability to execute agile and versatile locomotion tasks. This paper focuses on improving the dynamic performance of WBRs through innovations in both hardware and software development. Inspired by the human barbell squat, a bionic mechanical design is proposed and implemented as shown in Fig. 1. It distributes the weight onto its hip and knee joints to improve the effectiveness of joint motors while maintaining a relatively large workspace of the base link. Meanwhile, a novel model-based controller is devised, synthesizing height-variable wheeled linear inverted pendulum (HV-wLIP) model, Control Lyapunov Function (CLF) and whole-body dynamics for theoretically guaranteed stability and efficient computation. Compared with other alternatives, as a more accurate approximation of the WBR dynamics, the HV-wLIP can enable more agile response and provide theory basis for WBR controller design. Experimental results demonstrate that the robot could perform human-like deep squat, and is capable of maintaining tracking CoM velocity while manipulating base states. Furthermore, it exhibited robustness against external disturbances and unknown terrains even in the wild.
The Methods to Improve Quality of Service by Accounting Secure Parameters
Creators: name: Radivilova, Tamara
name: Kirichenko, Lyudmyla
name: Ageiev, Dmytro
name: Bulakh, Vitalii
Publisher: name: arXiv
Year: 2019
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences
subject: D.4.6; E.3; C.2
subject: 90B18

description: A solution to the problem of ensuring quality of service, providing a greater number of services with higher efficiency taking into account network security is proposed. In this paper, experiments were conducted to analyze the effect of self-similarity and attacks on the quality of service parameters. Method of buffering and control of channel capacity and calculating of routing cost method in the network, which take into account the parameters of traffic multifractality and the probability of detecting attacks in telecommunications networks were proposed. The both proposed methods accounting the given restrictions on the delay time and the number of lost packets for every type quality of service traffic. During simulation the parameters of transmitted traffic (self-similarity, intensity) and the parameters of network (current channel load, node buffer size) were changed and the maximum allowable load of network was determined. The results of analysis show that occurrence of overload when transmitting traffic over a switched channel associated with multifractal traffic characteristics and presence of attack. It was shown that proposed methods can reduce the lost data and improve the efficiency of network resources.
description: 10 pages, 1 figure, 1 equation, 1 table. arXiv admin note: text overlap with arXiv:1904.05202
Pterotaenia Rondani 1868
Creators: name: O'Hara, James E.
name: Cerretti, Pierfilippo
name: Pape, Thomas
name: Evenhuis, Neal L.
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Ulidiidae
Pterotaenia

description: 473. Pterotaenia Rondani, 1868b: 28.
 ORIGINALLY INCLUDED SPECIES: Ortalis fasciata Wiedemann, 1830 (as “Pt. Fasciata Wdm”).
 TYPE SPECIES: Ortalis fasciata Wiedemann, 1830 (as “ Pt. Fasciata Wdm ”), by monotypy.
 CURRENT STATUS: Valid genus [teste Steyskal (1968b: 10)].
FAMILY: ULIDIIDAE.
description: Published as part of O'Hara, James E., Cerretti, Pierfilippo, Pape, Thomas & Evenhuis, Neal L., 2011, 3141, pp. 1-268 in Zootaxa 3141 on page 154
Dirac magnons in a honeycomb lattice quantum XY magnet CoTiO3
Creators: name: Yuan, Bo
name: Khait, Ilia
name: Shu, Guo-Jiun
name: Chou, F. C.
name: Stone, M. B.
name: Clancy, J. P.
name: Paramekanti, Arun
name: Kim, Young-June
Publisher: name: arXiv
Year: 2019
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The discovery of massless Dirac electrons in graphene and topological Dirac-Weyl materials has prompted a broad search for bosonic analogues of such Dirac particles. Recent experiments have found evidence for Dirac magnons above an Ising-like ferromagnetic ground state in a two-dimensional (2D) kagome lattice magnet and in the van der Waals layered honeycomb crystal CrI$_3$, and in a 3D Heisenberg magnet Cu$_3$TeO$_6$. Here we report on our inelastic neutron scattering investigation on large single crystals of a stacked honeycomb lattice magnet CoTiO$_3$, which is part of a broad family of ilmenite materials. The magnetically ordered ground state of CoTiO$_3$ features ferromagnetic layers of Co$^{2+}$, stacked antiferromagnetically along the $c$-axis. We discover that the magnon dispersion relation exhibits strong easy-plane exchange anisotropy and hosts a clear gapless Dirac cone along the edge of the 3D Brillouin zone. Our results establish CoTiO$_3$ as a model pseudospin-$1/2$ material to study interacting Dirac bosons in a 3D quantum XY magnet.
description: 7 pages, 5 figures; Supplemental Materials Available upon request
Assessment of Rice Market Competiveness Using Horizontal Price Transmission: Empirical Evidence from Southern Region of Nigeria
Creators: name: Akpan, S.B.
name: Udoka, S. J.
name: Inimfon, V. P.
name: Akpan, S.B.
name: Udoka, S. J.
name: Inimfon, V. P.
Publisher: name: Unknown
Year: 2016
Subjects: subject: Community/Rural/Urban Development
subject: Farm Management
subject: Land Economics/Use
subject: Market
subject: rice
subject: integration
subject: agricultural
subject: Akwa Ibom
subject: Nigeria.

description: The study examined the horizontal price transmission and market integration between the local and foreign rice market in the Southern region of Nigeria. The study used average monthly prices of local and foreign rice in the rural and urban markets from January 2005 to June 2014. The findings show that, prices of local and foreign rice in the rural and urban markets have constant exponential growth rate of 0.60%. The Pearson correlation coefficient revealed a strong positive relationship between prices of local and foreign rice in both rural and urban markets. The cross-product Granger causality test revealed bidirectional relationship between prices of local and foreign rice in the region. The results of the cross co-integration test revealed the presence of co-integration between prices of the two products. The coefficients of the price variable in the cross co-integration equations for the local and foreign rice markets converge to the law of one price which connotes instantaneous price adjustment and competitiveness. The result of the cross - product error correction model also confirmed the existence of the short run market integration between the two markets. The study established the fact that, price of local rice competes favorably with its foreign counter part and thus a perfect substitute especially in the rural area. Based on the finding, it is recommended that, short term policies should be used to intervene in the rice sub sector in the region. Policies aimed at boosting local production of rice should be encouraged, while value additions in the domestic produced rice should be pursuit vigorously.
Field demonstration of solar-powered electrocoagulation water treatment system for purifying groundwater contaminated by both total coliforms and arsenic
Creators: name: Chamteut Oh
name: Seungil Pak
name: Han, Young-Soo
name: Nguyen Thi Hoang Ha
name: Moonil Hong
name: Sangwoo Ji
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Space Science
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: FOS: Biological sciences
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: People who drink groundwater in rural areas of Southeast Asia are exposed to pathogens and arsenic (As)-related health problems. A water treatment system consisting of electrocoagulation reactors, using iron (Fe) electrodes and a filtration tank, was designed to treat complex contaminated groundwater for drinking. Its applicability was demonstrated near the Red River in Vietnam. The water treatment system reduced 10.3 CFU/mL of total coliform and 376 μg/L of As(III) in the groundwater to 0 CFU/mL and 6.68 μg/L, respectively. Total coliforms were attenuated by Fe(II) infiltration or enmeshed during Fe precipitate formation. Of the total As, 43% formed As(III) complexation with the Fe precipitates and the other 57% was oxidized to As(V) then adsorbed to Fe precipitates. The Fe precipitates, containing total coliforms and As, were separated from the discharge water in the filtration tank. The system required 49 W of power to operate, which equates to 423 kWh/year, to continuously purify 0.5 t water/day. This requirement was powered by a 380–750 W solar panel, without external energy supply, making the water treatment system an appropriate option for addressing drinking water problems in rural areas.
Ptilocheta Rondani 1857
Creators: name: O'Hara, James E.
name: Cerretti, Pierfilippo
name: Pape, Thomas
name: Evenhuis, Neal L.
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Tachinidae
Ptilocheta

description: 475. Ptilocheta Rondani, 1857: 13.
 TYPE SPECIES: Ptilocera palpalis Robineau-Desvoidy, 1830 [= Zeuxia cinerea Meigen, 1826], automatic [by designation of the same species (by subsequent designation of Townsend, 1916: 8) for Ptilocera Robineau-Desvoidy, 1830].
 CURRENT STATUS: Unnecessary new replacement name for Ptilocera Robineau-Desvoidy, 1830 (as “ Ptilocera Mgn. ”); junior synonym of Zeuxia Meigen, 1826. New synonymy.
FAMILY: TACHINIDAE.
 REMARKS: Previous catalogers (e.g., Herting, 1993: 111) have placed Ptilocheta Rondani, 1857 as a junior synonym of Stevenia Robineau-Desvoidy, 1830 in Rhinophoridae, but this is incorrect. Rondani’s (1857: 13) proposal of the new replacement name indicated “Mgn.” as the author of Ptilocera with reference to Rondani (1856: 87), but this is best explained as an error since Rondani got the authorship (Robineau-Desvoidy) correct in his 1856 work. Ptilocera Robineau-Desvoidy, 1830 is currently treated as a junior synonym of Zeuxia Meigen, 1826 [teste Herting & Dely-Draskovits (1993: 368)], thus the new synonymy here of Ptilocheta Rondani, 1857 with Zeuxia Meigen, 1826.
 EMENDATIONS: Ptilochoeta Bezzi, 1894: 352 (unjustified), n. syn.
description: Published as part of O'Hara, James E., Cerretti, Pierfilippo, Pape, Thomas & Evenhuis, Neal L., 2011, 3141, pp. 1-268 in Zootaxa 3141 on page 155
Didymodon nicholsonii Culm.
Creators: name: Ros, Rosa M.
name: Olaf, Susana Rams
name: Eloy, Olaf Werner
name: Cerón, Eloy
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Plantae
Bryophyta
Bryopsida
Pottiales
Pottiaceae
Didymodon
Didymodon nicholsonii

description: Didymodon nicholsonii Culm.
RECORDS. — Jiménez et al. (2003), Jiménez (2006): sine loco. Very rare.
description: Published as part of Ros, Rosa M., Olaf, Susana Rams, Eloy, Olaf Werner & Cerón, Eloy, 2024, Revisiting the Bryophyte Checklist of Algeria: Exploring Diversity and Distribution, pp. 49-116 in Cryptogamie, Bryologie 20 (5) on page 73, DOI: 10.5252/cryptogamie-bryologie2024v45a5, http://zenodo.org/record/14593891
Supplementary document for 65536-ary orbital angular momentum - shift keying free-space optical communication based on few-shot learning - 6325766.pdf
Creators: name: Wenhui, Chen
name: Chen, Weicheng
name: Lin, Qian
name: Zhang, Zhishen
name: Zhuang, Zikuan
name: Su, Zhikun
name: Zhang, Li
Publisher: name: Optica Publishing Group
Year: 2023
Subjects: Uncategorized

description: experimental details and numerical simulation
Sasakian Geometry on Sphere Bundles II: Constant Scalar Curvature
Creators: name: Boyer, Charles P.
name: Tønnesen-Friedman, Christina W.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 53D42

description: In a previous paper [BTF21] the authors employed the fiber join construction of Yamazaki [Yam99] together with the admissible construction of Apostolov, Calderbank, Gauduchon, and Tønnesen-Friedman [ACGTF08a] to construct new extremal Sasaki metrics on odd dimensional sphere bundles over smooth projective algebraic varieties. In the present paper we continue this study by applying a recent existence theorem [BHLTF23] that shows that under certain conditions one can always obtain a constant scalar curvature Sasaki metric in the Sasaki cone. Moreover, we explicitly describe this construction for certain sphere bundles of dimension 5 and 7.
description: 25 pages
Molecular docking and molecular dynamics simulation studies to identify potent AURKA inhibitors: Assessing the performance of density functional theory, MM-GBSA and mass action kinetics calculations
Creators: name: Sathishkumar Chinnasamy
name: Gurudeeban Selvaraj
name: Kaushik, Aman Chandra
name: Satyavani Kaliamurthi
name: Chandrabose Selvaraj
name: Singh, Sanjeev Kumar
name: Thirugnanasambandam, Ramanathan
name: Gu, Keren
name: Wei, Dong-Qing
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Cell Biology
subject: Molecular Biology
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Molecular docking and molecular dynamics simulation studies to identify potent AURKA inhibitors: Assessing the performance of density functional theory, MM-GBSA and mass action kinetics calculations
Ptilops Rondani 1857
Creators: name: O'Hara, James E.
name: Cerretti, Pierfilippo
name: Pape, Thomas
name: Evenhuis, Neal L.
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Tachinidae
Ptilops

description: 476. Ptilops Rondani, 1857: 13.
ORIGINALLY INCLUDED SPECIES: None.
 FIRST INCLUDED SPECIES: Ptilops nubilis Rondani, 1862; Ptilops vidua Rondani, 1862; Ptilops puella Rondani, 1862; Ptilops infans Rondani, 1862; Ptilops adolescens Rondani, 1862; Tachina chalybeata Meigen, 1824 (in Rondani, 1862d: 165–167).
 TYPE SPECIES: Ptilocera adolescens Rondani, 1862 [= Tachina chalybeata Meigen, 1824], by subsequent designation (Townsend, 1916: 8).
 CURRENT STATUS: Junior synonym of Dufouria Robineau-Desvoidy, 1830 [teste Herting & Dely-Draskovits (1993: 393)].
FAMILY: TACHINIDAE.
 REMARKS: Brauer (1893: 486) designated Tachina nigrita Fallén, 1810 as type species, but this was not an originally included species. See also REMARKS under Ptylops Rondani, 1859 below.
description: Published as part of O'Hara, James E., Cerretti, Pierfilippo, Pape, Thomas & Evenhuis, Neal L., 2011, 3141, pp. 1-268 in Zootaxa 3141 on page 155
Additional file 6 of Comparative transcriptomic analysis of two Cucumis melo var. saccharinus germplasms differing in fruit physical and chemical characteristics
Creators: name: Liang, Renfan
name: Su, Yicheng
name: Qin, Xiaojuan
name: Gao, Zhongkui
name: Fu, Zhixin
name: Qiu, Huijun
name: Lin, Xu
name: Zhu, Jinlian
Publisher: name: figshare
Year: 2022
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 6.
Neutropenic complications in the PANTHER phase III study of adjuvant tailored dose-dense chemotherapy in early breast cancer
Creators: name: Antroula Papakonstantinou
name: Hedayati, Elham
name: Hellström, Mats
name: Hemming Johansson
name: Gnant, Michael
name: Steger, Günther
name: Greil, Richard
name: Untch, Michael
name: Moebus, Volker
name: Loibl, Sibylle
name: Foukakis, Theodoros
name: Bergh, Jonas
name: Matikas, Alexios
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Cell Biology
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: Science Policy

description: Introduction: Myelosuppresion is a common side effect of chemotherapy and granulocyte-colony stimulating factor (G-CSF) is often used to reduce the risk of neutropenic events. The purpose of this exploratory analysis was to investigate neutropenic complications in the phase III PANTHER trial of standard 3-weekly chemotherapy with 5-fluorouracil, epirubicin and cyclophosphamide plus docetaxel (FEC/D) versus bi-weekly tailored dose-dense EC/D adjuvant chemotherapy in breast cancer. Patients and methods: Febrile neutropenia, neutropenic infection and infection grade 3–4 according to CTC AE 3.0, were explored in relation to G-CSF use. Per cycle analysis was performed concerning dose reduction and dose delays in conjunction with G-CSF administration. Results: In the experimental group, 98.9% of patients received primary G-CSF support during EC and 97.4% during docetaxel, compared with 49.7% during FEC and 63.88% during docetaxel in the standard group. Overall, the use of G-CSF was associated with a lower risk for developing neutropenic events (OR 0.44, 95% CI 0.35–0.55, p Discussion: In conclusion, G-CSF support reduces neutropenic events and permits increased relative dose intensity, which is essential for improved survival outcomes.
Numerical simulation of Feller's diffusion equation
Creators: name: Dutykh, Denys
Publisher: name: arXiv
Year: 2019
Subjects: subject: Analysis of PDEs (math.AP)
subject: Computational Physics (physics.comp-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 35K20 (primary), 65M06, 65M75 (secondary)

description: This article is devoted to Feller's diffusion equation which arises naturally in probabilities and physics (e.g. wave turbulence theory). If discretized naively, this equation may represent serious numerical difficulties since the diffusion coefficient is practically unbounded and most of its solutions are weakly divergent at the origin. In order to overcome these difficulties we reformulate this equation using some ideas from the Lagrangian fluid mechanics. This allows us to obtain a numerical scheme with a rather generous stability condition. Finally, the algorithm admits an elegant implementation and the corresponding Matlab code is provided with this article under an open source license.
description: 22 pages, 2 tables, 4 figures, 3 appendices, 25 references. Other author's papers can be downloaded at http://www.denys-dutykh.com/
Economic Comparison of Agricultural Sector of Eurasian Countries – Is There Any Potential for Development Through Economic Cooperation?
Creators: name: Benešová, Irena
name: Novotná, Zuzana
name: Šánová, Petra
name: Laputková, A.
name: Benešová, Irena
name: Novotná, Zuzana
name: Šánová, Petra
name: Laputková, A.
Publisher: name: Unknown
Year: 2016
Subjects: subject: Agricultural Finance
subject: Consumer/Household Economics
subject: International Development
subject: Eurasia
subject: post-Soviet countries
subject: agriculture index
subject: economic indicators
subject: cluster analysis
subject: economic development

description: Eurasia represents an important economic region for the majority of the post-Soviet republics. The structure of their economies is highly dissimilar and reflects the status of agriculture. The aim of the paper is to analyse the relation between agriculture index and GDP per capita Using the basic economic indicators in agriculture (contribution of agriculture to GDP, share of employment in agriculture, agriculture value added per worker and share of rural population) as well as the cluster analysis, the countries were divided into four groups. There are sub-groups within the post-Soviet republics, differing considerably in the status of agriculture in their national economy. A negative correlation between GDP per capita (PPP) and the level of the agriculture index has been proved in the monitored countries.
Eliminating nonlinear phase mismatch in resonantly enhanced 4-wave mixing
Creators: name: Johnsson, Mattias
name: Korsunsky, Evgeny
name: Fleischhauer, Michael
Publisher: name: arXiv
Year: 2002
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Resonantly enhanced four wave mixing in double-Lambda systems is limited by ac-Stark induced nonlinear phase shifts. With counter-propagating pump fields the intensity-phase coupling has minimal impact on the dynamics, but it is of critical importance for co-propagation. The nonlinear phase terms lead to an increase of the conversion length linearly proportional to the inverse seed intensity, while without nonlinear phase-mismatch the scaling is only logarithmic. We here show that the ac-Stark contributions can be eliminated while retaining the four-wave mixing contribution by choosing a suitable five level system with appropriate detunings.
description: 3 pages, 3 figures
Tight bounds on Pauli channel learning without entanglement
Creators: name: Chen, Senrui
name: Oh, Changhun
name: Zhou, Sisi
name: Huang, Hsin-Yuan
name: Jiang, Liang
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: Information Theory (cs.IT)
subject: Machine Learning (cs.LG)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Quantum entanglement is a crucial resource for learning properties from nature, but a precise characterization of its advantage can be challenging. In this work, we consider learning algorithms without entanglement to be those that only utilize states, measurements, and operations that are separable between the main system of interest and an ancillary system. Interestingly, we show that these algorithms are equivalent to those that apply quantum circuits on the main system interleaved with mid-circuit measurements and classical feedforward. Within this setting, we prove a tight lower bound for Pauli channel learning without entanglement that closes the gap between the best-known upper and lower bound. In particular, we show that $Θ(2^n\varepsilon^{-2})$ rounds of measurements are required to estimate each eigenvalue of an $n$-qubit Pauli channel to $\varepsilon$ error with high probability when learning without entanglement. In contrast, a learning algorithm with entanglement only needs $Θ(\varepsilon^{-2})$ copies of the Pauli channel. The tight lower bound strengthens the foundation for an experimental demonstration of entanglement-enhanced advantages for Pauli noise characterization.
description: 20 pages, 2 figure; v2: add Fig.2 comparing our lower bound with noisy-entanglement-assisted upper bound, close to accepted version; v3: correct a typo in Notes added
Chemical Evolution Models of Local dSph Galaxies
Creators: name: Carigi, Leticia
name: Hernandez, Xavier
name: Gilmore, Gerard
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We calculate chemical evolution models for 4 dwarf spheroidal satellites of the Milky Way (Carina, Ursa Minor, Leo I and Leo II) for which reliable non-parametric star formation histories have been derived. In this way, the independently obtained star formation histories are used to constrain the evolution of the systems we are treating. This allows us to obtain robust inferences on the history of such crucial parameters of galactic evolution as gas infall, gas outflows and global metallicities for these systems. We can then trace the metallicity and abundance ratios of the stars formed, the gas present at any time within the systems and the details of gas ejection, of relevance to enrichment of the galaxies environment. We find that galaxies showing one single burst of star formation (Ursa Minor and Leo II) require a dark halo slightly larger that the current estimates for their tidal radii, or the presence of a metal rich selective wind, which might carry away much of the energy output of their supernovae before this might have interacted and heated the gas content, for the gas to be retained until the observed stellar population have formed. Systems showing extended star formation histories (Carina and Leo I) however, are consistent with the idea that their tidally limited dark haloes provide the necessary gravitational potential wells to retain their gas. The complex time structure of the star formation in these systems, remains difficult to understand. Observations of detailed abundance ratios for Ursa Minor, strongly suggest that the star formation history of this galaxy might in fact resemble the complex picture presented by Carina or Leo I, but localized at a very early epoch.
description: 13 pages, 8 figures, MNRAS accepted
Oil Prices, Exchange Rate and Prices for Agricultural Commodities: Empirical Evidence from Russia
Creators: name: Burakov, D.
name: Burakov, D.
Publisher: name: Unknown
Year: 2016
Subjects: subject: Agricultural Finance
subject: Community/Rural/Urban Development
subject: Agricultural commodity
subject: world oil prices
subject: exchange rate
subject: Granger causality test
subject: impulse response analysis.

description: In this paper, we investigate long and short-term impact of changes in oil prices and the exchange rate on prices of seven groups of agricultural products in Russia (buckwheat, grain crops, potatoes, oat, wheat, rye, barley). In this paper, Granger causality approach is applied to test long-run interlinkages with monthly data from January 1999 to October 2015. For testing the response of agricultural prices to sudden shocks in oil prices and exchange rate in the short run, we use impulse-response techniques. The results of impulse response analysis show that agricultural prices are not particularly sensitive to changes in oil prices and the exchange rate of Russian ruble in the short term, except for imported commodities. In the long run, Granger causal relationship between agricultural prices and oil prices is missing, and with exchange rate is observed only in case of imported agricultural goods.
Instantons in Chiral Magnets
Creators: name: Hongo, Masaru
name: Fujimori, Toshiaki
name: Misumi, Tatsuhiro
name: Nitta, Muneto
name: Sakai, Norisuke
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We exhaustively construct instanton solutions and elucidate their properties in one-dimensional anti-ferromagnetic chiral magnets based on the $O(3)$ nonlinear sigma model description of spin chains with the Dzyaloshinskii-Moriya (DM) interaction. By introducing an easy-axis potential and a staggered magnetic field, we obtain a phase diagram consisting of ground-state phases with two points (or one point) in the easy-axis dominant cases, a helical modulation at a fixed latitude of the sphere, and a tricritical point allowing helical modulations at an arbitrary latitude. We find that instantons (or skyrmions in two-dimensional Euclidean space) appear as composite solitons in different fashions in these phases: temporal domain walls or wall-antiwall pairs (bions) in the easy-axis dominant cases, dislocations (or phase slips) with fractional instanton numbers in the helical state, and isolated instantons and calorons living on the top of the helical modulation at the tricritical point. We also show that the models with DM interaction and an easy-plane potential can be mapped into those without them, providing a useful tool to investigate the model with the DM interaction.
description: 7 pages, 4 figures
Additional file 5 of Comparative transcriptomic analysis of two Cucumis melo var. saccharinus germplasms differing in fruit physical and chemical characteristics
Creators: name: Liang, Renfan
name: Su, Yicheng
name: Qin, Xiaojuan
name: Gao, Zhongkui
name: Fu, Zhixin
name: Qiu, Huijun
name: Lin, Xu
name: Zhu, Jinlian
Publisher: name: figshare
Year: 2022
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 5.
Synthesis, catalysis, antimicrobial activity, and DNA interactions of new Cu(II)-Schiff base complexes
Creators: name: Adam, Mohamed Shaker S.
name: Abdel-Rahman, Laila H.
name: Abu-Dief, Ahmed M.
name: Hashem, Nahla A.
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Biochemistry
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Structural features and catalytic activities of five ternary copper (II)-Schiff base complexes are investigated. The ligands are derived from 3-methoxysalicylaldehyde (MS) or 4-diethylaminosalicylaldehyde (DS) and amino acids {L-phenylalanine (Phe), L histidine (His) or DL-tryptophan (Trp)}, as primary ligands, and 2,4′-bipyridyl (DP) as a secondary ligand. Cu(II)-complexes are characterized by various physicochemical tools. The catalytic efficiency of Cu(II)-complexes is studied in the oxidation of benzyl alcohol by an aqueous H2O2 in different reaction conditions. Temperature and catalyst features are involved in order to obtain the optimized catalytic oxidation conditions of benzaldehyde production. The Schiff base ligands and their ternary complexes are screened for their antimicrobial activities in various types of fungi and bacteria. The interaction between Cu(II)-complexes and (CT-DNA) was examined by employing various techniques, including viscosity, spectral and gel electrophoreses studies.
A Hybrid Deep Learning Approach for Diagnosis of the Erythemato-Squamous Disease
Creators: name: Putatunda, Sayan
Publisher: name: arXiv
Year: 2019
Subjects: subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: The diagnosis of the Erythemato-squamous disease (ESD) is accepted as a difficult problem in dermatology. ESD is a form of skin disease. It generally causes redness of the skin and also may cause loss of skin. They are generally due to genetic or environmental factors. ESD comprises six classes of skin conditions namely, pityriasis rubra pilaris, lichen planus, chronic dermatitis, psoriasis, seboreic dermatitis and pityriasis rosea. The automated diagnosis of ESD can help doctors and dermatologists in reducing the efforts from their end and in taking faster decisions for treatment. The literature is replete with works that used conventional machine learning methods for the diagnosis of ESD. However, there isn't much instances of application of Deep learning for the diagnosis of ESD. In this paper, we propose a novel hybrid deep learning approach i.e. Derm2Vec for the diagnosis of the ESD. Derm2Vec is a hybrid deep learning model that consists of both Autoencoders and Deep Neural Networks. We also apply a conventional Deep Neural Network (DNN) for the classification of ESD. We apply both Derm2Vec and DNN along with other traditional machine learning methods on a real world dermatology dataset. The Derm2Vec method is found to be the best performer (when taking the prediction accuracy into account) followed by DNN and Extreme Gradient Boosting.The mean CV score of Derm2Vec, DNN and Extreme Gradient Boosting are 96.92 percent, 96.65 percent and 95.80 percent respectively.
description: Pre-review version of the paper accepted at the 2020 IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT)
Exploring stakeholders’ perceptions of the quality and governance of water resources in the Wenchi municipality
Creators: name: Okumah, Murat
name: Yeboah, Ata Senior
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Medicine
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Despite increasing evidence that understanding and integrating local people’s perceptions of water quality and governance helps improve water governance processes, only a limited volume of research addresses this topic in developing countries. Therefore, using in-depth interviews and content analysis, the goal of this paper is to explore stakeholders’ perceptions of the quality and governance of water resources in Wenchi, Ghana. Results show that stakeholders perceive river water quality to be deteriorating. Stakeholders’ judgement of river quality is influenced by water use value, pollution sources, organoleptic properties and sanitary conditions of the riverbank. Stakeholders highlighted key areas that require authorities’ efforts: formulation and enforcement of by-laws, awareness raising, provision of financial, logistic and technical support, conducting research and community mobilisation. These findings need to be carefully reviewed and systematically integrated into expert views to advance our understanding of the problem, how best to address it and who to target during interventions.
Additional file 7 of Comparative transcriptomic analysis of two Cucumis melo var. saccharinus germplasms differing in fruit physical and chemical characteristics
Creators: name: Liang, Renfan
name: Su, Yicheng
name: Qin, Xiaojuan
name: Gao, Zhongkui
name: Fu, Zhixin
name: Qiu, Huijun
name: Lin, Xu
name: Zhu, Jinlian
Publisher: name: figshare
Year: 2022
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 7.
Efficient Anatomical Labeling of Pulmonary Tree Structures via Deep Point-Graph Representation-based Implicit Fields
Creators: name: Xie, Kangxian
name: Yang, Jiancheng
name: Wei, Donglai
name: Weng, Ziqiao
name: Fua, Pascal
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Artificial Intelligence (cs.AI)
subject: Graphics (cs.GR)
subject: Machine Learning (cs.LG)
subject: Image and Video Processing (eess.IV)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: 68T45, 62P10, 68U10, 68U05, 05C90

description: Pulmonary diseases rank prominently among the principal causes of death worldwide. Curing them will require, among other things, a better understanding of the complex 3D tree-shaped structures within the pulmonary system, such as airways, arteries, and veins. Traditional approaches using high-resolution image stacks and standard CNNs on dense voxel grids face challenges in computational efficiency, limited resolution, local context, and inadequate preservation of shape topology. Our method addresses these issues by shifting from dense voxel to sparse point representation, offering better memory efficiency and global context utilization. However, the inherent sparsity in point representation can lead to a loss of crucial connectivity in tree-shaped structures. To mitigate this, we introduce graph learning on skeletonized structures, incorporating differentiable feature fusion for improved topology and long-distance context capture. Furthermore, we employ an implicit function for efficient conversion of sparse representations into dense reconstructions end-to-end. The proposed method not only delivers state-of-the-art performance in labeling accuracy, both overall and at key locations, but also enables efficient inference and the generation of closed surface shapes. Addressing data scarcity in this field, we have also curated a comprehensive dataset to validate our approach. Data and code are available at \url{https://github.com/M3DV/pulmonary-tree-labeling}.
description: Accepted by Medical Image Analysis
Preserving Non-Null with Suslin+ forcing
Creators: name: Kellner, Jakob
Publisher: name: arXiv
Year: 2002
Subjects: subject: Logic (math.LO)
subject: FOS: Mathematics
subject: 03E40

description: We introduce the notion of effective Axiom A and use it to show that some popular tree forcings are Suslin+. We introduce transitive nep and present a simplified version of Shelah's "preserving a little implies preserving much": If I is a Suslin ccc ideal (e.g. Lebesgue-null or meager) and P is a transitive nep forcing (e.g. P is Suslin+) and P doesn't make any I-positive Borel set small, then P doesn't make any I-positive set small.
description: 14 pages
Classical Open-String Field Theory ; $A_{\infty}$-Algebra, Renormalization Group and Boundary States
Creators: name: Nakatsu, T.
Publisher: name: arXiv
Year: 2001
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate classical bosonic open-string field theory from the perspective of the Wilson renormalization group of world-sheet theory. The microscopic action is identified with Witten's covariant cubic action and the short-distance cut-off scale is introduced by length of open-string strip which appears in the Schwinger representation of open-string propagator. {\it Classical open-string field theory} in the title means open-string field theory governed by a classical part of the low energy action. It is obtained by integrating out suitable tree interactions of open-strings and is of non-polynomial type. We study this theory by using the BV formalism. It turns out to be deeply related with deformation theory of $A_{\infty}$-algebra. We introduce renormalization group equation of this theory and discuss it from several aspects. It is also discussed that this theory is interpreted as a boundary open-string field theory. Closed-string BRST charge and boundary states of closed-string field theory in the presence of open-string field play important roles.
description: 91 pages, 17 figures. This is the published version. Section 1 (Introduction) is revised to include a brief review on renormalization group. Other parts do not change
Pticoptera Rondani 1856
Creators: name: O'Hara, James E.
name: Cerretti, Pierfilippo
name: Pape, Thomas
name: Evenhuis, Neal L.
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Platyhelminthes
Insecta
Rhabdocoela
Trigonostomidae
Pticoptera

description: 474. Pticoptera Rondani, 1856: 187.
 CURRENT STATUS: Unjustified emendation of Ptychoptera Meigen, 1803; junior synonym of Ptychoptera Meigen, 1803. New synonymy.
FAMILY: PTYCHOPTERIDAE.
REMARKS: Name made available as an emendation by virtue of similar spelling changes in one or more names from “y” to “i” in the same work.
description: Published as part of O'Hara, James E., Cerretti, Pierfilippo, Pape, Thomas & Evenhuis, Neal L., 2011, 3141, pp. 1-268 in Zootaxa 3141 on page 154
Testing the $α'{}^3$ term in the non-abelian open superstring effective action
Creators: name: Koerber, Paul
name: Sevrin, Alexander
Publisher: name: arXiv
Year: 2001
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Recently, a proposal for the full non-abelian open superstring effective action through ${\cal O}(α'{}^3)$ has been formulated in {\tt hep-th/0108169}. We test this result by calculating the spectrum in the presence of constant magnetic background fields and by comparing the result to string theoretic predictions. The agreement is perfect. Other proposals for the superstring effective action through this order do not reproduce the spectrum correctly.
description: LaTeX, 12 pages, v2: small but potentially confusing typo in eq. (5.1) corrected, ref. added, v3: more typos and disturbing error in introduction/conclusion eliminated
Spurious Ferromagnetic Remanence Detected by Hybrid Magnetometer
Creators: name: Bevilacqua, Giuseppe
name: Biancalana, Valerio
name: Dancheva, Yordanka
name: Stiaccini, Leonardo
name: Vigilante, Antonio
Publisher: name: arXiv
Year: 2019
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Applied Physics (physics.app-ph)
subject: Atomic Physics (physics.atom-ph)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: Nuclear magnetic resonance detection in ultra low field regime enables the measurement of different components of a spurious remanence in the polymeric material constituting the sample container. A differential atomic magnetometer detects simultaneously the static field generated by the container and the time-dependent signal from the precessing nuclei. The nuclear precession responds with frequency shifts and decay rate variations to the container magnetization. Two components of the latter act independently on the atomic sensor and on the nuclear sample. A model of the measured signal allows a detailed interpretation, on the basis of the interaction geometry.
description: 3 pages, 4 figures, submitted
Multi-physics modeling of non-equilibrium phenomena in inductively coupled plasma discharges: Part I. A state-to-state approach
Creators: name: Kumar, Sanjeev
name: Munafo, Alessandro
name: Jo, Sung Min
name: Panesi, Marco
Publisher: name: arXiv
Year: 2023
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: This work presents a vibrational and electronic state-to-state model for nitrogen plasma implemented within a multi-physics modular computational framework to study non-equilibrium effects in inductively coupled plasma (ICP) discharges. Within the computational framework, the set of vibronic (i.e., vibrational and electronic) master equations are solved in a tightly coupled fashion with the flow governing equations. This tight coupling eliminates the need for invoking any simplifying assumptions when computing the state of the plasma, thereby ensuring a higher degree of physical fidelity. To mitigate computational complexity, a maximum entropy coarse-graining strategy is deployed, effectively truncating the internal state space. The efficacy of this reduced StS model is empirically substantiated through zero-dimensional isochoric simulations. In these simulations, the results obtained from the reduced-order model are rigorously compared against those obtained from the full StS model, thereby confirming the accuracy of the reduced StS framework. The developed Coarse-grained StS model was employed to study the plasma discharge within the VKI Plasmatron facility. Our results reveal pronounced discrepancies between the plasma flow fields obtained from StS simulations and those derived from Local Thermodynamic Equilibrium (LTE) models, which are conventionally used in the simulation of such facilities. The analysis demonstrates a substantial departure of the internal state populations of atoms and molecules from the Boltzmann distribution. These nonequilibrium effects have important consequences on the energy coupling dynamics, thereby impacting the overall morphology of the plasma discharge. A deeper analysis of the results demonstrates that the population distribution is in a Quasi-Steady-State in the hot plasma core.
description: 42 pages, 22 figures