cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
ALMA discovery of a dual dense probably rotating outflow from a massive young stellar object G18.88MME
Creators: name: Zinchenko, I. I.
name: Dewangan, L. K.
name: Baug, T.
name: Ojha, D. K.
name: Bhadari, N. K.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We report the discovery of a very dense jet-like fast molecular outflow surrounded by a wide-angle wind in a massive young stellar object (MYSO) G18.88MME (stellar mass $\sim$8 M$_{\odot}$) powering an Extended Green Object G18.89$-$0.47. Four cores MM1-4 are identified in the Atacama Large Millimeter/submillimeter Array (ALMA) 1.3 mm continuum map (resolution $\sim$0.$"$8) toward G18.88MME, and are seen at the center of the emission structure (extent $\sim$0.3 pc $\times$ 0.2 pc) detected in the ALMA map. G18.88MME is embedded in the core MM1 (mass $\sim$13-18 M$_{\odot}$), where no radio continuum emission is detected. The molecular outflow centered at MM1 is investigated in the SiO(5-4), HC$_{3}$N(24-23) and $^{13}$CO(2-1) lines. The detection of HC$_{3}$N in the outflow is rare in MYSOs and indicates its very high density. The position-velocity diagrams display a fast narrow outflow (extent $\sim$28000 AU) and a slower wide-angle more extended outflow toward MM1, and both of these components show a transverse velocity gradient indicative of a possible rotation. All these observed features together make G18.88MME as a unique object for studying the unification of the jet-driven and wind-driven scenarios of molecular outflows in MYSOs.
description: 5 pages, 6 figures, accepted for publication in Monthly Notices of the Royal Astronomical Society
Detectability of "Merger-nova" emission from a long-lived magnetar in short gamma-ray bursts
Creators: name: Yuan, Yong
name: Lü, Hou-Jun
name: Yuan, Hao-Yu
name: Ma, Shuai-Bing
name: Lei, Wei-Hua
name: Liang, En-Wei
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: One possible progenitor of short gamma-ray bursts (GRBs) is thought to be from a double neutron star (NS) merger, and the remnant of such a merger may be a supramassive NS, which is supported by rigid rotation and through its survival of hundreds of seconds before collapsing into a black hole (BH). If this is the case, an optical/infrared transient (namely merger-nova) is generated from the ejected materials and it is powered by radioactive decay from $r$-process, spin-down energy from a supramassive NS, as well as the magnetic wind from a newborn BH. In this paper, we systematically search for the signature of a supramassive NS central engine by analyzing the X-ray emission of short GRBs with internal plateau observed by {\em Swift}, and we find that five candidates of short GRBs have such feature with redshift measurement. Then, we calculate the possible merger-nova emission from those candidates for given the typical model parameters by considering the above three energy sources, and compare its brightness with the sensitivity of some optical telescopes. We find that the merger-nova emission of GRB 060801 in K-, r-, and U-bands with variations of $M_{\rm ej}$ ($10^{-4}-10^{-2} M_{\odot}$), $κ$ ($0.1-10 ~\rm cm^{2}~g^{-1}$), and $β$ ($0.1-0.3$) is very difficult to detect using the Vera C. Rubin, Panoramic Survey Telescope and Rapid Response System (Pan-STARRS), the Zwicky Transient Facility, and the Roman Space Telescope (Roman), except for the case of large ejecta mass $M_{\rm ej}=10^{-2} M_{\odot}$. However, we are very hopeful to detect the merger-nova emission of GRBs 090515, 100625A, and 101219A using more sensitive instruments, such as Vera C. Rubin, Pan-STARRS, and Roman. Moreover, the merger-nova emission of GRB 160821B is bright enough to detect in our calculations, and it is also consistent with current real observations of merger-nova emission.
description: 21 pages, 1 table, 6 figures. ApJ in press, two more references added, matched the published version
Revealing Charge Density Wave Formation in the LaTe_2 System by Angle Resolved Photoemission Spectroscopy
Creators: name: Garcia, D. R.
name: Gweon, G. -H.
name: Zhou, S. Y.
name: Graf, J.
name: Jozwiak, C. M.
name: Jung, M. H.
name: Kwon, Y. S.
name: Lanzara, A.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We present the first direct study of charge density wave (CDW) formation in quasi-2D single layer LaTe_2 using high-resolution angle resolved photoemission spectroscopy (ARPES) and low energy electron diffraction (LEED). CDW formation is driven by Fermi surface (FS) nesting, however characterized by a surprisingly smaller gap (50meV) than seen in the double layer RTe_3 compounds, extending over the entire FS. This establishes LaTe_2 as the first reported semiconducting 2D CDW system where the CDW phase is FS nesting driven. In addition, the layer dependence of this phase in the tellurides and the possible transition from a stripe to a checkerboard phase is discussed.
description: 4 pages, 4 figures, Published in Phys. Rev. Lett
An investigation of single channel, global positioning system receivers for forestry applications
Creators: name: Shannon, Tim
Publisher: name: University of British Columbia
Year: 2009

description: The forest industry in British Columbia is converting much of its spatial data to digital format for input into Geographic Information Systems. The updating of these large databases stil l involves digitizing of analog data. This thesis examines the suitability of a single channel hand held Global Positioning System (GPS) receiver in the forests of British Columbia. GPS provides a means of directly capturing digital spatial attributes in the field. Field trials to evaluate the effects of forest canopy on the reception of satellite signals were conducted at the Malcolm Knapp Research Forest in Maple Ridge. Issues that need to be considered when implementing GPS in capturing spatial information are: 1) the frame of reference from which positions are calculated, (datums) 2) methods used to calculate the accuracy of position, 3) the accuracy of single point positions, 4) the accuracy of differential positioning, and 5) the effects of the forest canopy on the reception of signals from the satellites. The effect of choosing a different datum than that used to produce the base map can lead to positioning errors of several hundred metres. While commonly the largest source of error, it is preventable. Single point positions can be expected to be within 25-metres, in two dimensions, when Selective Availability is not enabled. When Selective Availability is enabled the accuracy will be degraded to 100 metres. To regain the accuracy lost due to Selective Availability, differential GPS will need to be used. Differentially corrected positions can be expected to be within 10-metres in two dimensions. The effect of the canopy on attenuating the signals emitted from the satellites is of concern. At best, the user can only expect intermittent signals under a closed canopy with the equipment tested. Evolving technologies are increasing the accuracy, speed and sensitivity of receivers, while decreasing the size, power consumption, and cost. The integration of GPS with other positioning and navigational aids shows the most promise for implementing GPS into forest management in British Columbia.
Partially composite two Higgs doublet model
Creators: name: Ko, P.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We consider a possibility that electroweak symmetry breaking (EWSB) is triggered by a fundamental Higgs and a composite Higgs arising in a dynamical symmetry breaking mechanism induced by a new strong dynamics. The resulting Higgs sector is a partially composite two-Higgs doublet model with specific boundary conditions on the coupling and mass parameters originating at a compositeness scale. The phenomenology of this model is discussed including the collider phenomenology at LHC and ILC.
description: To appear in the proceeding of SCGT06, Nagoya, Japan
Gluons, Light and Heavy Quarks in the Instanton Vacuum
Creators: name: Musakhanov, M.
name: Yakhshiev, U.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In this review we will concentrate on the nonperturbative effects in the properties of hadrons made from the light-heavy and heavy-heavy quarks in the framework of Instanton Liquid Model (ILM) of QCD vacuum. We briefly discuss the main features of ILM and its applicability in the heavy quark sector. The properties of gluonic systems, light and heavy quark correlators in the instanton background are also analyzed. Consideration of the both, perturbative and nonperturbative, gluon effects in the instanton background for the single heavy quark will lead to the mass shift due to the direct-instanton nonperturbative and ILM modified perturbative contributions, respectively. For the interacting heavy quark-antiquarks, the potential consists the direct instanton induced part and the one-gluon exchange (OGE) perturbative part. OGE interactions are screened at large distances due to the nonperturbative dynamics. We discuss the estimations of instanton contributions in the phenomenological Cornell type potential model. As related to the experimental data we discuss the charmonium properties and the role of instanton effects in their spectra and transitions. We discuss also the main features of heavy-light quarks systems in the ILM. As an example, it is considering the process of pions emission by exited heavy quarkonium states.
description: Talk presented at ICNFP 2020. arXiv admin note: text overlap with arXiv:2006.01545
Static wormhole solution for higher-dimensional gravity in vacuum
Creators: name: Dotti, Gustavo
name: Oliva, Julio
name: Troncoso, Ricardo
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: A static wormhole solution for gravity in vacuum is found for odd dimensions greater than four. In five dimensions the gravitational theory considered is described by the Einstein-Gauss-Bonnet action where the coupling of the quadratic term is fixed in terms of the cosmological constant. In higher dimensions d=2n+1, the theory corresponds to a particular case of the Lovelock action containing higher powers of the curvature, so that in general, it can be written as a Chern-Simons form for the AdS group. The wormhole connects two asymptotically locally AdS spacetimes each with a geometry at the boundary locally given by R times S^{1} times H_{d-3}. Gravity pulls towards a fixed hypersurface located at some arbitrary proper distance parallel to the neck. The causal structure shows that both asymptotic regions are connected by light signals in a finite time. The Euclidean continuation of the wormhole is smooth independently of the Euclidean time period, and it can be seen as instanton with vanishing Euclidean action. The mass can also be obtained from a surface integral and it is shown to vanish.
description: 11 pages, 1 eps figure, revtex. Reference added. Last version for PRD
Dynamical cooperation model for mitigating the segregation phase in Schelling's model
Creators: name: Okada, Akihisa
name: Inoue, Daisuke
name: Koyama, Shihori
name: Matsumori, Tadayoshi
name: Yoshida, Hiroaki
Publisher: name: arXiv
Year: 2022
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Physical sciences

description: We consider a Schelling-like segregation model, in which the behavior of individual agents is determined by a mixed individual and global utility. With a high ratio of global utility being incorporated, the agents are cooperative in order to realize a homogenized state, otherwise the agents are less cooperative, leading to an undesired Nash equilibrium with low utility. In the present study, we introduce a dynamically varying cooperation degree parameter to prevent the agents from falling into such a low-utility equilibrium state. More precisely, a large cooperation degree is assigned when the agents are in high-utility regions, whereas agents having low utility behave more individually. Simulation results show that homogenized phases with globally high utility are achieved with the present dynamical control, even for the case of a low mean value of cooperation degree. Since the cooperation degree represents the magnitude with which Pigouvian tax is enforced in the model of residential movement within a city, this result suggests the possibility of tax intervention to circumvent the undesired segregation of residents.
description: 11 pages, 11 figures
On Euclidean and Noetherian Entropies in AdS Space
Creators: name: Dutta, Suvankar
name: Gopakumar, Rajesh
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We examine the Euclidean action approach, as well as that of Wald, to the entropy of black holes in asymptotically $AdS$ spaces. From the point of view of holography these two approaches are somewhat complementary in spirit and it is not obvious why they should give the same answer in the presence of arbitrary higher derivative gravity corrections. For the case of the $AdS_5$ Schwarzschild black hole, we explicitly study the leading correction to the Bekenstein-Hawking entropy in the presence of a variety of higher derivative corrections studied in the literature, including the Type IIB $R^4$ term. We find a non-trivial agreement between the two approaches in every case. Finally, we give a general way of understanding the equivalence of these two approaches.
description: 36 pages, 1 figure, LaTex, v2: references added as well as clarificatory remarks in the introduction
Deep Position-wise Interaction Network for CTR Prediction
Creators: name: Huang, Jianqiang
name: Hu, Ke
name: Tang, Qingtao
name: Chen, Mingjian
name: Qi, Yi
name: Cheng, Jia
name: Lei, Jun
Publisher: name: arXiv
Year: 2021
Subjects: subject: Information Retrieval (cs.IR)
subject: FOS: Computer and information sciences

description: Click-through rate (CTR) prediction plays an important role in online advertising and recommender systems. In practice, the training of CTR models depends on click data which is intrinsically biased towards higher positions since higher position has higher CTR by nature. Existing methods such as actual position training with fixed position inference and inverse propensity weighted training with no position inference alleviate the bias problem to some extend. However, the different treatment of position information between training and inference will inevitably lead to inconsistency and sub-optimal online performance. Meanwhile, the basic assumption of these methods, i.e., the click probability is the product of examination probability and relevance probability, is oversimplified and insufficient to model the rich interaction between position and other information. In this paper, we propose a Deep Position-wise Interaction Network (DPIN) to efficiently combine all candidate items and positions for estimating CTR at each position, achieving consistency between offline and online as well as modeling the deep non-linear interaction among position, user, context and item under the limit of serving performance. Following our new treatment to the position bias in CTR prediction, we propose a new evaluation metrics named PAUC (position-wise AUC) that is suitable for measuring the ranking quality at a given position. Through extensive experiments on a real world dataset, we show empirically that our method is both effective and efficient in solving position bias problem. We have also deployed our method in production and observed statistically significant improvement over a highly optimized baseline in a rigorous A/B test.
description: Accepted by SIGIR 2021
The relationship between social-emotional learning skills (SEL) and peer-perceptions of leadership in a sample of underserved middle school youths
Creators: name: Wang, Angela Weiyi
Publisher: name: No Publisher Supplied
Year: 2021

description: Current thinking about 21st-century schools and civic involvement recognizes social-emotional competencies and character education as the groundwork of engaged citizenship and conscious leadership (Elias, 2009; Wilczenski & Coomey, 2007). Social emotional leaning (SEL), in the context of positive character, is essential to nurturing emerging young leaders to participate effectively in a global and highly politicized world where their performances are challenged in the numerous and multifaceted roles that contemporary leadership demands (Elias, 2009). Although there is substantial interest in youth leadership development as a vehicle to promote psychosocial development in adolescents, no studies have examined the relationship between SEL and peer perceptions of youth leadership.This study evaluated this relationship in a group of 203 students in grades 6-8th from two diverse urban middle schools in NJ. Participants self-identified their race and ethnicity (38.9% Hispanic; 28.6% Black; 21.2% White; 10.3% Asian; 1.0% Others). The primary goal of the current study was to address several gaps in the youth leadership development literature by quantitatively assessing the role of social emotional learning (SEL) in peer perceived ethical leadership nominations in the context of urban middle schools. Focusing on peer perceptions of ethical leadership, I explored (a) the effect of teacher-rated SEL on predicting peer-nominated student leadership facets; (b) the mediating functionality of self-reported self-efficacy on SEL and peer-nominated student leadership facets; (c) the difference in effects of SEL on leadership between male- versus female-identifying students; and (d) the difference in effects of SEL on leadership between native English-speaking (L1) students versus non-native English-speaking (L2) students. Results indicated that SEL had a signiﬁcant and positive impact on peer-nominated student leadership, yet this relationship is not mediated through self-efficacy. In addition, results showed that gender moderated the relationship between SEL and leadership, such that SEL had a stronger positive effect for female students than it did for male students on leadership nominations in Spring 2016, but not Fall 2015. Moreover, SEL had a stronger positive effect on leadership for non-native English-speaking students than it did for native English speakers for both Fall 2015 and Spring 2016. These findings, their implications for theory and practice, study limitations, and future directions were explored.
The spatially resolved stellar populations of isolated early-type galaxies
Creators: name: Reda, Fatma M.
name: Proctor, Robert N.
name: Forbes, Duncan A.
name: Hau, George K. T.
name: Larsen, Søren S.
name: ;
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present radial stellar population parameters for a subsample of 12 galaxies from the 36 isolated early-type galaxies of Reda et al. Using new long-slit spectra, central values and radial gradients for the stellar age, metallicity [Z/H] and alpha-element abundance [E/Fe] are measured. Similarly, the central stellar population parameters are derived for a further 5 isolated early-type galaxies using their Lick indices from the literature. On average, the seventeen isolated galaxies have mean central [Z/H]o and [E/Fe]o of 0.29+/-0.03 and 0.17+/-0.03 respectively and span a wide range of ages from 1.7 to 15 Gyrs. We find that isolated galaxies follow similar scaling relations between central stellar population parameters and galaxy velocity dispersion to their counterparts in high density environments. However, we note a tendency for isolated galaxies to have slightly younger ages, higher [Z/H] and lower [E/Fe]. Such properties are qualitatively consistent with the expectation of an extended star formation history for galaxies in lower density environments. Generally we measure constant age and [E/Fe] radial gradients. We find that the age gradients anti-correlate with the central galaxy age. Metallicity gradients range from near zero to strongly negative. For our high mass galaxies metallicity gradients are shallower with increasing mass. Such behaviour is not predicted in dissipational collapse models but might be expected in multiple mergers. The metallicity gradients correlate with the central age and metallicity, as well as to the age gradients. In conclusion, our stellar population data for isolated galaxies are more compatible with an extended merger/accretion history than early dissipative collapse.
description: The paper contains 8 figures and 5 tables. Accepted for publication in the MNRAS
Estimating the Causal Effects of Marketing Interventions Using Propensity Score Methodology
Creators: name: Rubin, Donald B.
name: Waterman, Richard P.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics

description: Propensity score methods were proposed by Rosenbaum and Rubin [Biometrika 70 (1983) 41--55] as central tools to help assess the causal effects of interventions. Since their introduction more than two decades ago, they have found wide application in a variety of areas, including medical research, economics, epidemiology and education, especially in those situations where randomized experiments are either difficult to perform, or raise ethical questions, or would require extensive delays before answers could be obtained. In the past few years, the number of published applications using propensity score methods to evaluate medical and epidemiological interventions has increased dramatically. Nevertheless, thus far, we believe that there have been few applications of propensity score methods to evaluate marketing interventions (e.g., advertising, promotions), where the tradition is to use generally inappropriate techniques, which focus on the prediction of an outcome from background characteristics and an indicator for the intervention using statistical tools such as least-squares regression, data mining, and so on. With these techniques, an estimated parameter in the model is used to estimate some global ``causal'' effect. This practice can generate grossly incorrect answers that can be self-perpetuating: polishing the Ferraris rather than the Jeeps ``causes'' them to continue to win more races than the Jeeps $\Leftrightarrow$ visiting the high-prescribing doctors rather than the low-prescribing doctors ``causes'' them to continue to write more prescriptions. This presentation will take ``causality'' seriously, not just as a casual concept implying some predictive association in a data set, and will illustrate why propensity score methods are generally superior in practice to the standard predictive approaches for estimating causal effects.
description: Published at http://dx.doi.org/10.1214/088342306000000259 in the Statistical Science (http://www.imstat.org/sts/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Relating entropies of quantum channels
Creators: name: Kurzyk, Dariusz
name: Pawela, Łukasz
name: Puchała, Zbigniew
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In this work, we study two different approaches to defining the entropy of a quantum channel. One of these is based on the von Neumann entropy of the corresponding Choi-Jamiołkowski state. The second one is based on the relative entropy of the output of the extended channel relative to the output of the extended completely depolarizing channel. This entropy then needs to be optimized over all possible input states. Our results first show that the former entropy provides an upper bound on the latter. Next, we show that for unital qubit channels, this bound is saturated. Finally, we conjecture and provide numerical intuitions that the bound can also be saturated for random channels as their dimension tends to infinity.
THE ADVANTAGES AS AN INSTRUMENT OF MANAGEMENT OF THE VARIABLE COST METHOD IN COMPARISON WITH THE OBSERVATION METHOD
Creators: name: Nhaca, Áureo
Publisher: name: figshare
Year: 2021
Subjects: subject: 150105 Management Accounting
subject: FOS: Economics and business

description: This work paper aims to identify and demonstrate the main differences between absorption costing and variable costing methods, comparing the advantages and disadvantages of each of the methods to later be able to identify which would be the best tool to be applied by the company, and the costing method that would offer better profitability for the same, being considered as a trustworthy management tool. A case study of the Facímpia company was used, where it was possible to analyze each method and then to make the right decision, by means of the results obtained with respect to the costs involved in the production as well as to the net profit of the same, having arrived at the conclusion that the stocks of each method could induce the manager to make a decision contrary to what should be due to the fact that the absorption indicates that there is more of stocks and the variable does not.
A Hybrid Model of Neutrino Masses and Oscillations: Bulk Neutrinos in the Split-Fermion Scenario
Creators: name: Dienes, Keith R.
name: Hossenfelder, Sabine
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Higher-dimensional models of neutrino physics with one or more right-handed neutrinos in the bulk have attracted considerable attention in recent years. However, a critical issue for such models is to find a way of introducing the required flavor dependence needed for generating neutrino oscillations. In this paper, we point out that a natural ``minimal'' framework that accomplishes this can be constructed by combining the bulk-neutrino hypothesis for right-handed neutrinos with the split-fermion scenario for left-handed neutrinos. This combination leads to a unique flavor signature for neutrino phenomenology which easily incorporates large flavor mixing angles. This hybrid scenario also has a number of additional important features. For example, one previous difficulty of the split-fermion scenario applied to neutrinos has been that the mass matrix is exponentially sensitive to neutrino displacements within the brane. However, in our hybrid scenario, the interactions between the brane and bulk naturally convert this dependence from exponential to linear. Another important feature is that our hybrid scenario provides its own natural regulator for Kaluza-Klein sums. Thus, in our scenario, all Kaluza-Klein summations are manifestly finite, even in cases with multiple extra dimensions. But most importantly, our mechanism completely decouples the effective neutrino flavor mixing angles from the sizes of the overlaps between the neutrino wavefunctions within the brane. Thus, we are able to obtain large neutrino mixing angles even when these neutrinos have significant spatial separations and their overlaps vanish.
description: 11 pages, LaTeX, 1 figure
Carbon dioxide enrichment and the role of carbohydrate reserves in root growth potential of cold-stored Engelmann spruce (Picea Engelmannii Parry) seedlings
Creators: name: Chomba, Bernard Malata
Publisher: name: University of British Columbia
Year: 2008

description: Two experiments were conducted to examine the role of carbohydrate reserves in spring root growth potential (RGP)of Engelmann spruce (Picea engelmannii Parry) seedlings. In the first experiment, the effects of pre-storage carbon dioxide enrichment (CE) on total non-structural carbohydrates (TNC) and post-storage root growth were studied. Seedlings were grown from seed for 202 days in growth chambers with ambient (340 μL•L-1) and CO2 enriched(1000 μL•L-1) air. Reciprocal transfers between treatments took place at 60 and 120 days. Photoperiod was reduced at100 days to induce bud set. After 180 days seedlings were hardened-off for storage at -5°C. At 268 and 327 days, seedlings were planted in a growth chamber in three water baths. New roots >5 mm long were counted after 28 days growth. Seedlings were also assessed for bud break every two days. At each planting time, and at 80, 120, 140, and 202days, seedlings were randomly selected from each of the CO2 treatments and harvested for analysis of starch and soluble sugar content. Growth data were also collected. In the second experiment, the relative contributions of reserve carbon and current photosynthate to new root growth were studied. Seedlings were raised using standard nursery procedures up to bud set (end of September, 1990). Seedlings were then moved into a growth chamber and placed in four Plexiglas boxes for stable carbon isotope labelling. Two boxes received ambient CO2 with normal isotopic composition [More abstracts follows]
STA-VPR: Spatio-temporal Alignment for Visual Place Recognition
Creators: name: Lu, Feng
name: Chen, Baifan
name: Zhou, Xiang-Dong
name: Song, Dezhen
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: Recently, the methods based on Convolutional Neural Networks (CNNs) have gained popularity in the field of visual place recognition (VPR). In particular, the features from the middle layers of CNNs are more robust to drastic appearance changes than handcrafted features and high-layer features. Unfortunately, the holistic mid-layer features lack robustness to large viewpoint changes. Here we split the holistic mid-layer features into local features, and propose an adaptive dynamic time warping (DTW) algorithm to align local features from the spatial domain while measuring the distance between two images. This realizes viewpoint-invariant and condition-invariant place recognition. Meanwhile, a local matching DTW (LM-DTW) algorithm is applied to perform image sequence matching based on temporal alignment, which achieves further improvements and ensures linear time complexity. We perform extensive experiments on five representative VPR datasets. The results show that the proposed method significantly improves the CNN-based methods. Moreover, our method outperforms several state-of-the-art methods while maintaining good run-time performance. This work provides a novel way to boost the performance of CNN methods without any re-training for VPR. The code is available at https://github.com/Lu-Feng/STA-VPR.
description: Accepted for publication in IEEE RA-L 2021
Modeling Chandra X-ray observations of Galaxy Clusters using Cosmological Simulations
Creators: name: Nagai, Daisuke
name: Kravtsov, Andrey V.
name: Vikhlinin, Alexey
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: X-ray observations of galaxy clusters potentially provide powerful cosmological probes if systematics due to our incomplete knowledge of the intracluster medium (ICM) physics are understood and controlled. In this paper, we study the effects of galaxy formation on the properties of the ICM and X-ray observable-mass relations using high-resolution self-consistent cosmological simulations of galaxy clusters and comparing their results with recent Chandra X-ray observations. We show that despite complexities of their formation and uncertainties in their modeling, clusters of galaxies both in observations and numerical simulations are remarkably regular outside of their cores, which holds great promise for their use as cosmological probes.
description: 6 pages, 4 figures. To appear in the Proceedings of "Heating vs. Cooling in Galaxies and Clusters of Galaxies", August 2006, Garching (Germany)
Investigation of UV absorbers on Venus using the 283 and 365 nm phase curves obtained from Akatsuki
Creators: name: Lee, Y. J.
name: Muñoz, A. García
name: Yamazaki, A.
name: Yamada, M.
name: Watanabe, S.
name: Encrenaz, T.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The so-called unknown absorber in the clouds of Venus is an important absorber of solar energy, but its vertical distribution remains poorly quantified. We analyze the 283 and 365-nm phase curves of the disk-integrated albedo measured by Akatsuki. Based on our models, we find that the unknown absorber can exist either well-mixed over the entire upper cloud or within a thin layer. The necessary condition to explain the 365-nm phase curve is that the unknown absorber must absorb efficiently within the cloud scale height immediately below the cloud top. Using this constraint, we attempt to extract the SO$_2$ abundance from the 283-nm phase curve. However we cannot disentangle the absorption by SO$_2$ and by the unknown absorber. Considering previous SO$_2$ abundance measurements at mid-infrared wavelengths, the required absorption coefficient of the unknown absorber at 283~nm must be more than twice that at 365~nm.
description: Supplementary Information is available https://agupubs.onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1029%2F2020GL090577&file=2020GL090577-sup-0001-Supporting+Information+SI-S01.pdf
Geschäftsanfall der Gerichte in Thüringen 2015
Creators: name: (:Unkn) Unknown
Publisher: name: Universität Tübingen
Year: 2016
Subjects: subject: Justiz , Thüringen , Statistik
subject: 360

description: Die Justizgeschäftsstatistiken widerspiegeln die Arbeit der Gerichte und Staatsanwaltschaften. Es werden der Geschäftsanfall, die Geschäftsentwicklung und Angaben zur Rechtsprechung bei den ordentlichen Gerichten, Fachgerichten sowie Staatsanwaltschaften erfasst und aufbereitet. In Thüringen wurden die Geschäftsstatistiken im Bereich der Rechtspflege mit den Familien- und Arbeitsrechtssachen im Jahr 1991 eingeführt. Im Jahr 1993 erfolgte die erstmalige Erhebung der Statistiken im Zivil-, Straf- und Verwaltungsrecht, der Staatsanwaltschaften sowie der Rehabilitierungsverfahren, 1994 die der Finanzgerichtsbarkeit. Alle im vorliegenden Bericht aufgeführten Justizgeschäftsstatistiken basieren auf jeweiligen Anordnungen des Thüringer Ministeriums für Migration, Justiz und Verbraucherschutz.
Gauge and Yukawa mediated supersymmetry breaking in the triplet seesaw scenario
Creators: name: Joaquim, Filipe R.
name: Rossi, Anna
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We propose a novel supersymmetric unified scenario of the triplet seesaw mechanism where the exchange of the heavy triplets generates both neutrino masses and soft supersymmetry breaking terms. Our framework is very predictive since it relates neutrino mass parameters, lepton flavour violation in the slepton sector, sparticle and Higgs spectra and electroweak symmetry breakdown. The phenomenological viability and experimental signatures in lepton flavor violating processes are discussed.
description: 11 pages, 3 eps figs. Comments and references added. Final version to be published in Phys. Rev. Lett
Study of X(1812) as a $(K^*\bar K^*)$ Molecular State
Creators: name: Chen, Hong
name: Ping, Rong-Gang
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate the decay and the production mechanism of the resonance X(1812) recently observed in the $\jp\toγX(1812), X(1812)\toωϕ$ at BESII. The decay widths of $X(1812)\toηη'$,$ ηη$,$ ωϕ$,$ K^+K^-$,$ ρ^+ρ^-$, $ ωω$,$ K^{*+}K^{*-}$ and $π^+π^-$ are evaluated based on the scenario of the X(1812) as a candidate of $(\ksks)$ molecule. It turns out that the quark exchange mechanism plays an important role in the understanding of the large decay width for the $X(1812)\toωϕ$. It is also found that the decay widths for $X(1812)\toηη'$ and $ηη$ are enhanced by the quark exchange mechanism. These channels are suggested to be the tools to test the molecular scenario in experiment. The branching fraction of $Br(X\toωϕ)$ is evaluated to be about 4.60%. Searches for additional evidence about the X(1812) in $\jp$ radiative decays are reviewed. In the molecular scenario, the X(1812) production rate is also evaluated to be $Γ(\jp\toγX)/Γ(\jp\toγK^{*+}K^{*-})=2.13^{+7.41}_{-1.85}$, which is close to the measured value $2.83\pm0.92$.
description: 4 figures, 10 pages
Survey for Distant Solar Twins (SDST) -- II. Design, observations and data
Creators: name: Liu, Fan
name: Murphy, Michael T.
name: Lehmann, Christian
name: Flynn, Chris
name: Smith, Daniel
name: Kos, Janez
name: Berke, Daniel A.
name: Martell, Sarah L.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Studies of solar twins have key impacts on the astronomical community, but only $\sim$100--200 nearby solar twins ($<$ 1 kpc) have been reliably identified over the last few decades. The aim of our survey (SDST) is to identify $\sim$150--200 distant solar twins and analogues (up to $\lesssim$ 4 kpc) closer to the Galactic Centre. We took advantage of the precise Gaia and Skymapper surveys to select Sun-like candidates in a 2-degree field, which were observed with the HERMES spectrograph on the Anglo-Australian Telescope. We successfully built up the required signal-to-noise ratio (25-per-pixel in the HERMES red band) for most targets as faint as Gaia G of 17.4 mag. The stellar photometric/astrometric parameters (e.g., \teff, \logg, mass) of our candidates are derived in this paper, while the spectroscopic parameters will be presented in the third paper in this SDST series. The selection success rate - the fraction of targets which belong to solar twins or analogues - was estimated from simulated survey data and the Besançon stellar population model, and compared with the actual success rate of the survey. We find that expected and actual success rates agree well, indicating that the numbers of solar twins and analogues we discover in SDST are consistent with expectations, affirming the survey approach. These distant solar analogues are prime targets for testing for any variation in the strength of electromagnetism in regions of higher dark matter density, and can make additional contributions to our understanding of, e.g., Galactic chemical evolution in the inner Milky Way.
description: 15 pages, 13 figures. Accepted by MNRAS
Geschäftsanfall der Gerichte in Thüringen 2016
Creators: name: (:Unkn) Unknown
Publisher: name: Universität Tübingen
Year: 2017
Subjects: subject: Justiz , Thüringen , Statistik
subject: 360

description: Die Justizgeschäftsstatistiken widerspiegeln die Arbeit der Gerichte und Staatsanwaltschaften. Es werden der Geschäftsanfall, die Geschäftsentwicklung und Angaben zur Rechtsprechung bei den ordentlichen Gerichten, Fachgerichten sowie Staatsanwaltschaften erfasst und aufbereitet. In Thüringen wurden die Geschäftsstatistiken im Bereich der Rechtspflege mit den Familien- und Arbeitsrechtssachen im Jahr 1991 eingeführt. Im Jahr 1993 erfolgte die erstmalige Erhebung der Statistiken im Zivil-, Straf- und Verwaltungsrecht, der Staatsanwaltschaften sowie der Rehabilitierungsverfahren, 1994 die der Finanzgerichtsbarkeit. Alle im vorliegenden Bericht aufgeführten Justizgeschäftsstatistiken basieren auf jeweiligen Anordnungen des Thüringer Ministeriums für Migration, Justiz und Verbraucherschutz.
TALABALARNING KASBGA YO'NALTIRILGAN O'QISH KO'NIKMA VA MALAKALARINI SHAKLLANTIRISH   XUSUSIDA AYRIM MULOHAZALAR
Creators: name: Moydinova, Shoxida
Publisher: name: Zenodo
Year: 2024

description: Ilmiy kashfiyotlardan doimo xabardor bo'lish uchun turli sohalardagi mutaxassislar xorijiy tillarni, xususan, ingliz tilini bilishlari kerak. Til millatning ajralmas xususiyati bo‘lib, mamlakatlar va xalqlar o‘rtasidagi asosiy aloqa vositasiga aylanadi. Ushbu maqolada  nofilologik oliygoh talabalarining ingliz tilida o’qish malakalarini shakllantirish masalasi tahlil qilingan.
Deep Reinforcement Learning for the Control of Robotic Manipulation: A Focussed Mini-Review
Creators: name: Liu, Rongrong
name: Nageotte, Florent
name: Zanne, Philippe
name: de Mathelin, Michel
name: Dresp-Langley, Birgitta
Publisher: name: arXiv
Year: 2021
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: Deep learning has provided new ways of manipulating, processing and analyzing data. It sometimes may achieve results comparable to, or surpassing human expert performance, and has become a source of inspiration in the era of artificial intelligence. Another subfield of machine learning named reinforcement learning, tries to find an optimal behavior strategy through interactions with the environment. Combining deep learning and reinforcement learning permits resolving critical issues relative to the dimensionality and scalability of data in tasks with sparse reward signals, such as robotic manipulation and control tasks, that neither method permits resolving when applied on its own. In this paper, we present recent significant progress of deep reinforcement learning algorithms, which try to tackle the problems for the application in the domain of robotic manipulation control, such as sample efficiency and generalization. Despite these continuous improvements, currently, the challenges of learning robust and versatile manipulation skills for robots with deep reinforcement learning are still far from being resolved for real world applications.
Dione di Prusa, 'Caridemo (or. 30)'. Introduzione, testo critico, traduzione e commento a cura di Mariella Menchelli
Creators: name: Amato, Eugenio
Publisher: name: Göttinger Forum für Altertumswissenschaft
Year: 2021

description: Rezension zu: Dione di Prusa, 'Caridemo (or. 30)'. Introduzione, testo critico, traduzione e commento a cura di Mariella Menchelli (Speculum, 24), Napoli, D' Auria 1999, 340 S.
description: Göttinger Forum für Altertumswissenschaft, Bd. 5 (2002): Göttinger Forum für Altertumswissenschaft
Thermodynamics of Solitonic Matter Waves in a Toroidal Trap
Creators: name: Salasnich, L.
name: Parola, A.
name: Reatto, L.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: We investigate the thermodynamic properties of a Bose-Einstein condensate with negative scattering length confined in a toroidal trapping potential. By numerically solving the coupled Gross-Pitaevskii and Bogoliubov-de Gennes equations, we study the phase transition from the uniform state to the symmetry-breaking state characterized by a bright-soliton condensate and a localized thermal cloud. In the localized regime three states with a finite condensate fraction are present: the thermodynamically stable localized state, a metastable localized state and also a metastable uniform state. Remarkably, the presence of the stable localized state strongly increases the critical temperature of Bose-Einstein condensation.
description: 4 pages, 4 figures, to be published in Physical Review A as a Rapid Communication. Related papers can be found at http://www.padova.infm.it/salasnich/tdqg.html
Substituent effects on indole universal bases in DNA
Creators: name: Benitah, Avi
name: Qualley, Dominic F.
name: Woski, Stephen A.
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Biophysics
subject: Biochemistry
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Pharmacology
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: Plant Biology

description: A series of eleven 5-substituted-indole nucleoside residues were synthesized and incorporated into 15-mer oligodeoxynucleotide duplexes with each of the four natural bases (A, G, C, T) paired with the non-natural residues. The universal base properties of these residues were evaluated by comparing the stabilities of these complexes determined by UV thermal denaturation experiments. All of the substituted indoles were more stable than an unsubstituted indole residue, and measures of electronic influences of substituents on the indole pi system correlate with stability. Several residues were more promiscuous than the previously studied 5-nitroindole residue, but the relationship between substituents and selectivity is not clear.
Strafgefangene und Verwahrte in den Justizvollzugsanstalten Thüringens am 31.03.2006
Creators: name: (:Unkn) Unknown
Publisher: name: Universität Tübingen
Year: 2006
Subjects: subject: Strafvollzug , Thüringen , Statistik
subject: 360

description: Die Strafvollzugsstatistik erfasst die Gefangenen und Verwahrten in den Justizvollzugsanstalten auf der Grundlage ihres so genannten Buchwerkes, getrennt für Männer und Frauen sowie im offenen und geschlossenen Vollzug einschließlich Jugendstrafvollzug. Thüringen verfügt zur Zeit über insgesamt fünf Justizvollzugsanstalten sowie eine Jugendstrafanstalt und eine Jugendarrestanstalt. Außerdem besteht bei vier Justizvollzugsanstalten und der Jugendstrafanstalt eine Abteilung des offenen Vollzugs. Weibliche Strafgefangene in den Justizvollzugsanstalten Thüringens werden nur bis zum Jahre 1994 gesondert nachgewiesen. Ab 1995 werden die weiblichen Gefangenen auf der Grundlage einer Vereinbarung zwischen den Freistaaten Sachsen und Thüringen zum Vollzug der Freiheitsstrafe vorwiegend nach Sachsen verlegt. Rechtsgrundlage dieser Erhebung sind die Nummern 72 Abs. 1-3 und 73 der Vollzugsgeschäftsordnung (VGO). Zum Stichtag 31. März eines jeden Jahres werden Strukturdaten nach verschiedenen demographischen und kriminologischen Aspekten aller wegen Verbüßung einer Freiheitsstrafe (einschließlich Ersatzfreiheitsstrafe) oder Jugendstrafe einsitzenden Gefangenen erfasst. Erste Veröffentlichungen dazu erfolgten im Februar 1995 für die Berichtsjahre 1991 bis 1994. Im vorliegenden Bericht werden diese Ergebnisse für das Jahr 2006 dokumentiert. Weitere Veröffentlichungen erscheinen im September eines jeden Jahres. Alle im Laufe eines Jahres eingewiesenen und entlassenen Personen (Gefangenenbewegung) werden in einem gesonderten statistischen Bericht jeweils im Februar eines jeden Jahres veröffentlicht.
Variability in CD39 and CD73 protein levels in uveal melanoma patients
Creators: name: Harou, Olivier
name: Cros-Perrial, Emeline
name: Alix, Eudeline
name: Callet-Bauchu, Evelyne
name: Bertheau, Charlotte
name: Dumontet, Charles
name: Devouassoux-Shisheboran, Mojgan
name: Jordheim, Lars Petter
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Biochemistry
subject: Biotechnology
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: Cancer
subject: Hematology
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Extracellular adenosine is produced from ATP by CD39 and CD73, and can modulate tumor development by acting on cancer cells or immune cells. Adenosine metabolism has been poorly studied in uveal melanoma. We studied the protein levels of CD39 and CD73 in a small, well described cohort of patients with uveal melanoma. Our results show a high variability in the levels of the two proteins, both in positivity and in intensity. Our results suggest that similar studies on larger cohorts could determine the clinical value and the druggability of these enzymes in the given clinical setting. Supplemental data for this article is available online at http://dx.doi.org/10.1080/15257770.2022.2032738