cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
SND metadata profile: Natural Sciences
Creators: name: Swedish National Data Service
Publisher: name: Zenodo
Year: 2022
Subjects: metadata
metadata profile
SND metadata profile
SND
Swedish National Data Service

description: To make it easier for researchers from various fields to describe and share data, SND has developed several metadata profiles that are specific for certain fields, or topics. SND also offers a general profile to fit broader uses, and a profile for entry level data; a minimum metadata profile that fulfils the DataCite requirements to issue a DOI for a dataset. A new version of this document is in progress.
description: Funded by the Swedish Research Council.
Simple Titrimetric Method for the Estimation of Salbutamol Sulphate (SBS) in Pharmaceutical Formulations
Creators: name: Pangal, Anees
Publisher: name: figshare
Year: 2022
Subjects: subject: 30101 Analytical Spectrometry
subject: FOS: Chemical sciences

description: Simple Titrimetric Method for the Estimation of Salbutamol Sulphate (SBS) in Pharmaceutical Formulations
Single berry development – a new phenotyping and transcriptomics paradigm
Creators: name: Savoi, Stefania
name: Torregrosa, Laurent
name: Romieu, Charles
Publisher: name: VITIS - Journal of Grapevine Research
Year: 2023

description: Most present knowledge on berry development has been obtained from a random sampling of hundreds of berries to average their diversity of the experimental plot. According to recent studies, such heterogeneous samples formed from non-synchronized berries of mixed developmental stages are unsuitable for detecting fast physiological and molecular changes. Thus, it is necessary to revisit the physiological and transcriptional bases of berry ripening. Here we report the in-depth study of the late-ripening program in three genotypes. Berry expansion during the second growth phase was characterized on-vine through image analysis. Hundreds of sampled berries were individually analyzed for primary metabolites to calculate their respective accumulation rates with high precision. These primary individual fluxes and the growth kinetics allowed us to distinguish targeted developmental stages further investigated through RNA profiling. Single berry monitoring evidenced sharp developmental phases during which specific genes or pathways are quickly switched ON or OFF. The comparison between Syrah and the two microvines showed phenotypic differences in late-ripening stages in vines grown in the field (Syrah) and microvines (MV032 and MV102) grown in the greenhouse. This study shows that new high-throughput single berry phenotyping methods are required to compare unambiguous developmental stages in physiological or genetic studies.
description: VITIS - Journal of Grapevine Research, Vol. 62 (2023): Vitis (Special Issue)
Termination-dependent Surface In-gap States in a Mixed-valent Topological Insulator: SmB$_6$
Creators: name: Kim, Junwon
name: Kim, Kyoo
name: Kang, Chang-Jong
name: Kim, Sooran
name: Choi, Hong Chul
name: Kang, J. -S.
name: Denlinger, J. D.
name: Min, B. I.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We have investigated the surface states of a potential mixed-valent topological insulator SmB$_6$ based on the first principles density functional theory slab band structure analysis. We have found that metallic surface states are formed in the bulk band gap region, providing evidence for the topological insulating nature of SmB$_6$. The obtained surface in-gap states are quite different from those in existing reports in that they are formed differently depending on the Sm or B$_6$ surface termination, and are composed of mainly Sm $4f$ state indicating the essentiality of including $f$ electrons in describing the surface states. We have obtained the spin chiral structures of the Fermi surfaces, which are also in accordance with the topological insulating nature of SmB$_6$.
PHENOquad: A new multi sensor platform for field phenotyping and screening of yield relevant characteristics within grapevine breeding research
Creators: name: Engler, Hannes
name: Gauweiler, Pascal
name: Huber, Florian
name: Krause, Julius
name: Fischer, Benedikt
name: Hoffmann, Benedikt
name: Schumacher, Petra
name: Yushchenko, Artem
name: Gruna, Robin
name: Steinhage, Volker
name: Herzog, Katja
name: Töpfer, Reinhard
name: Kicherer, Anna
Publisher: name: VITIS - Journal of Grapevine Research
Year: 2023

description: Balanced and stable yield is a major trait in grapevine breeding and breeding research. Grapevine yield hereby is a complex quantitative trait, as it is influenced by multiple plant parameters, like berry size, number of berries per bunch, number of bunches per shoot, management, and environmental factors. In the current breeding process, the complexity of this trait has shown that a classification according to descriptive factors for marker development is only possible to a limited extent. Precise field phenotyping of yield-related traits is the basic prerequisite to be able to measure such quantitative traits. This, however, is the major bottleneck due to labor, time and constrains of plant material in the breeding process. For this reason, one of our main goals with the newly developed phenotyping platform PHENOquad with its multisensor system PHENOboxx is to improve phenotyping efficiency of grapevine yield to overcome the phenotyping bottleneck. The newly developed embedded vision system PHENOboxx is mounted on an "all-terrain vehicle (ATV)". This allows a fast data acquisition on a large number of individual vines. In order to evaluate the yield potential of breeding material in comparison to established grapevine cultivars, various yield-related parameters of the vines are quantified directly in the field with high spatial and temporal resolution. As key parameters for yield-related phenotyping, the number of shoots, bunches, berries and the weight of dormant pruning wood was identified. The image data acquired are annotated to train the artificial intelligence (AI). Within the process, the image analysis results are compared to annotated ground truth data and correlated with the field reference data. We expect to increase the precision, target specificity and throughput of screening grapevine material without reducing its accuracy over time by using the PHENOquad. In addition, a weighting of yield-relevant parameters would be possible. This opens up new possibilities for efficient plant evaluation in the scope of grapevine breeding. Also new application possibilities for precision viticulture are conceivable.
description: VITIS - Journal of Grapevine Research, Vol. 62 (2023): Vitis (Special Issue)
Long-range spatial correlations and fluctuation statistics of lightning activity rates in Brazil
Creators: name: Ribeiro, H. V.
name: Antonio, F. J.
name: Alves, L. G. A.
name: Lenzi, E. K.
name: Mendes, R. S.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: We report on a statistical analysis of the lightning activity rates in all Brazilian cities. We find out that the average of lightning activity rates exhibit a dependence on the latitude of the cities, displaying one peak around the Tropic of Capricorn and another one just before the Equator. We verify that the standard deviation of these rates is almost a constant function of the latitude and that the distribution of the fluctuations surrounding the average tendency is quite well described by a Gumbel distribution, which thus connects these rates to extreme processes. We also investigate the behavior of the lightning activity rates versus the longitude of the cities. For this case, the average rates exhibit an approximate plateau for a wide range of longitude values, the standard deviation is an approximate constant function of longitude, and the fluctuations are described by a Laplace distribution. We further characterize the spatial correlation of the lightning activity rates between pairs of cities, where our results show that the spatial correlation function decays very slowly with the distance between the cities and that for intermediate distances the correlation exhibits an approximate logarithmic decay. Finally, we propose to model this last behavior within the framework of the Edwards-Wilkinson equation.
description: Accepted for publication in EPL
Effect of local instabilities on the onset of fire-induced progressive collapse in steel framed buildings
Creators: name: Venkatachari, Svetha
name: Kodur, Venkatesh
Publisher: name: figshare
Year: 2023
Subjects: Fire safety engineering
Structural engineering

description: This paper examines the influence of temperature-induced local buckling on the onset of fire-induced collapse in steel-framed buildings. A comprehensive finite element model is developed in ABAQUS to trace the overall response of steel-framed buildings under fire conditions, including fire-induced collapse. The model accounts for several critical factors that influence the onset of temperature-induced instabilities in steel-framed buildings, and temperature-induced local buckling is one of the parameters evaluated in this paper. The developed model is applied to predict the overall fire response and failure pattern of a ten-story steel-framed building. Results from the numerical analysis indicate that the occurrence of local buckling in columns has a significant influence on the onset of global instability and this effect is more pronounced in steel columns located on the higher stories of the building. The results indicate that the nonslender steel column, with a sufficiently high slenderness ratio, can transform into a slender section under fire exposure. This can cause the onset of local buckling in the column, which in turn can lead to an early onset of instability at member and global levels.
Raman-gain induced loss-compensation in whispering-gallery-microresonators and single-nanoparticle detection with whispering-gallery Raman-microlasers
Creators: name: Ozdemir, Sahin Kaya
name: Zhu, Jiangang
name: Yang, Xu
name: Peng, Bo
name: Yilmaz, Huzeyfe
name: He, Lina
name: Monifi, Faraz
name: Long, Gui Lu
name: Yang, Lan
Publisher: name: arXiv
Year: 2014
Subjects: subject: Optics (physics.optics)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: Recently optical whispering-gallery-mode resonators (WGMRs) have emerged as promising platforms to achieve label-free detection of nanoscale objects and to reach single molecule sensitivity. The ultimate detection performance of WGMRs are limited by energy dissipation in the material they are fabricated from. Up to date, to improve detection limit, either rare-earth ions are doped into the WGMR to compensate losses or plasmonic resonances are exploited for their superior field confinement. Here, we demonstrate, for the first time, enhanced detection of single-nanoparticle induced mode-splitting in a silica WGMR via Raman-gain assisted loss-compensation and WGM Raman lasing. Notably, we detected and counted individual dielectric nanoparticles down to a record low radius of 10 nm by monitoring a beatnote signal generated when split Raman lasing lines are heterodyne-mixed at a photodetector. This dopant-free scheme retains the inherited biocompatibility of silica, and could find widespread use for sensing in biological media. It also opens the possibility of using intrinsic Raman or parametric gain in other systems, where dissipation hinders the progress of the field and limits applications.
description: 25 pages, 8 figures, 70 references
The selection rule of graphene in a composite magnetic field
Creators: name: Ou, Y. C.
name: Chiu, Y. H.
name: Yang, P. H.
name: Lin, M. F.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: The generalized tight-binding model with exact diagonalization method is developed to calculate the optical properties of monolayer graphene in the presence of composite magnetic fields. The ratio of the uniform magnetic field and the modulated one accounts for a strong influence on the structure, number, intensity and frequency of absorption peaks, and thus the extra selection rules that are subsequently induced can be explained. When the modulated field increases, each symmetric peak, under a uniform magnetic field, splits into a pair of asymmetric peaks with lower intensities. The threshold absorption frequency exhibits an obvious evolution in terms of a redshift. These absorption peaks obey the same selection rule that is followed by Landau level transitions. Moreover, at a sufficiently strong modulation strength, the extra peaks in the absorption spectrum might arise from different selection rules.
Dissecting foliar physiology and chemical properties with integrated highthroughput phenotyping and molecular markers in grape improvement
Creators: name: Ikeogu, Ugochukwu
name: Gold, Kaitlin M.
name: Couture, John
name: Gambhir, Nikita
name: Simangunsong, Robetauli
name: Sapkota, Surya
name: Colizzi, Michael
name: Cadle-Davidson, Lance
name: Reisch, Bruce I.
Publisher: name: VITIS - Journal of Grapevine Research
Year: 2023

description: An advanced phenotyping protocol using a hyperspectral spectrometer to better understand foliar chemical composition and physiological processes in relation to grapevine yield, quality, biotic and abiotic resistance was initiated with in-house and public spectral resources. The initial result for foliar pigments calibration was promising for classification and measurements to support breeding. We demonstrated the potential of adapting public spectral resources in supporting modern phenotyping in programs with limited resources and when combined with our current effort in deploying marker-assisted selection, the dual innovations provide new information to fast-tracking grapevine research and trait improvement.
description: VITIS - Journal of Grapevine Research, Vol. 62 (2023): Vitis (Special Issue)
SPIRE Point Source Photometry
Creators: name: Pearson, Chris
name: Lim, Tanya
name: North, Chris
name: Bendo, George
name: Conversi, Luca
name: Dowell, Darren
name: Griffin, Matt
name: Jin, Terry
name: Laporte, Nicolas
name: Papageorgiou, Andreas
name: Schulz, Bernhard
name: Shupe, Dave
name: Smith, Anthony J.
name: Xu, Kevin
Publisher: name: arXiv
Year: 2014
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: The different algorithms appropriate for point source photometry on data from the SPIRE instrument on-board the Herschel Space Observatory, within the Herschel Interactive Processing Environment (HIPE) are compared. Point source photometry of a large ensemble of standard calibration stars and dark sky observations is carried out using the 4 major methods within HIPE: SUSSEXtractor, DAOphot, the SPIRE Timeline Fitter and simple Aperture Photometry. Colour corrections and effective beam areas as a function of the assumed source spectral index are also included to produce a large number of photometric measurements per individual target, in each of the 3 SPIRE bands (250, 350, 500um), to examine both the accuracy and repeatability of each of the 4 algorithms. It is concluded that for flux densities down to the level of 30mJy that the SPIRE Timeline Fitter is the method of choice. However, at least in the 250 and 350um bands, all 4 methods provide photometric repeatability better than a few percent down to at approximately 100mJy. The DAOphot method appears in many cases to have a systematic offset of ~8% in all SPIRE bands which may be indicative of a sub-optimal aperture correction. In general, aperture photometry is the least reliable method, i.e. largest scatter between observations, especially in the longest wavelength band. At the faintest fluxes, <30mJy, SUSSEXtractor or DAOphot provide a better alternative to the Timeline Fitter.
description: 19 pages, 11 figures, accepted for publication in Experimental Astronomy
Structural study of alfa-Bi2O3 under pressure
Creators: name: Pereira, A. L. J.
name: Errandonea, D.
name: Beltrán, A.
name: Gracia, L.
name: Gomis, O.
name: Sans, J. A.
name: Garcia-Domene, B.
name: Miquel-Veyrat, A.
name: Manjón, F. J.
name: Muñoz, A.
name: Popescu, C.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: An experimental and theoretical study of the structural properties of monoclinic bismuth oxide (alfa-Bi2O3) under high pressures is here reported. Both synthetic and mineral bismite powder samples have been compressed up to 45 GPa and their equations of state have been determined with angle-dispersive x-ray diffraction measurements. Experimental results have been also compared to theoretical calculations which suggest the possibility of several phase transitions below 10 GPa. However, experiments reveal only a pressure-induced amorphisation between 15 and 25 GPa, depending on sample quality and deviatoric stresses. The amorphous phase has been followed up to 45 GPa and its nature discussed.
Preliminary study on mechanical properties of Q460 high strength steel during the cooling stage of fire
Creators: name: Jiang, Binhui
name: Wang, Mengjie
name: Lou, Guobiao
name: Li, Guoqiang
Publisher: name: figshare
Year: 2023
Subjects: Fire safety engineering
Structural engineering

description: Most previous studies on the fire-related mechanical properties of high-strength steel (HSS) focused on the fire-heating and post-fire stages, with the cooling stage of fire being ignored. In this paper, the mechanical properties of Q460 steel during the cooling stage were experimentally studied. Results show that the mechanical properties of Q460 steel in the cooling stage are not only related to the test temperature (Tt), but also related to the peak heating temperature (Tp). The yield strength and ultimate strength of Q460 steel show an overall download trend with the increase of Tp when Tt is the same. The differences in mechanical properties of Q460 steel between the cooling and heating stages were enlarged after Tp exceeds a certain value. This certain value was different for different mechanical properties. After Tp exceeds 800 ℃, the yield strength and ultimate strength in the cooling stage were significantly smaller than those in the heating stage, while the ultimate strain in the cooling stage was greater than that in the heating stage.
From classical to quantum criticality
Creators: name: Podolsky, Daniel
name: Shimshoni, Efrat
name: Silvi, Pietro
name: Montangero, Simone
name: Calarco, Tommaso
name: Morigi, Giovanna
name: Fishman, Shmuel
Publisher: name: arXiv
Year: 2014
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study the crossover from classical to quantum phase transitions at zero temperature within the framework of $ϕ^4$ theory. The classical transition at zero temperature can be described by the Landau theory, turning into a quantum Ising transition with the addition of quantum fluctuations. We perform a calculation of the transition line in the regime where the quantum fluctuations are weak. The calculation is based on a renormalization group analysis of the crossover between classical and quantum transitions, and is well controlled even for space-time dimensionality $D$ below 4. In particular, for $D=2$ we obtain an analytic expression for the transition line which is valid for a wide range of parameters, as confirmed by numerical calculations based on the Density Matrix Renormalization Group. This behavior could be tested by measuring the phase diagram of the linear-zigzag instability in systems of trapped ions or repulsively-interacting dipoles.
description: 7 pages, 3 figures
Two main distinct evolutionary stories describe the Italian grapevine assortment
Creators: name: Crespan, Manna
name: Mercati, Francesco
name: De Lorenzis, Gabriella
name: D'Onofrio, Claudio
name: Sunseri, Francesco
Publisher: name: VITIS - Journal of Grapevine Research
Year: 2023

description: A dataset of high-quality 7k SNP profiles of 1,038 unique Eurasian grapevine varieties was used to infer the most likely grapevine migration events, a spatial ancestry estimation, and a model about the origin of Eurasian grapevine germplasm. The comparison of putative gene flow scenarios from Caucasus throughout Europe aided to fit the more reliable spreading routes around the Mediterranean Basin. The same dataset was also used to assess the population genetic diversity, structure, and relatedness of Italian varieties. These data suggested a different history between Northern and Southern Italian grapevines, appearing clearly split into two different clusters. Interestingly, the Italian genotypes were shown to be distinguishable from all the other Eurasian populations for the first time. The same SNP panel was used to determine parental relationships, identifying the main parents of traditional Italian and closely related cultivars. The parentage network suggested that Italian germplasm largely originated from a few key parents distributed into several geographical areas of genetic influence, with more or less large overlaps. These key cultivars are ‘Bombino bianco’, ‘Garganega’/‘Grecanico’, ‘Mantonico bianco’, ‘Orsolina’/‘Coccalona nera’, ‘Muscat à petits grains blanc’, ‘Malvasia odorosissima’, ‘Sangiovese’, ‘Sciaccarello’, ‘Visparola’ and ‘Vulpea’. The pedigree reconstruction by fullsib and second-degree relationships highlighted the pivotal role of some cultivars, such as ‘Visparola’, until now scarcely known. A hypothetic migration of this variety from Southern to Northern Italy along the Eastern side, as well as ‘Sangiovese’ migration from Southern to Central Italy along the Western side might be supposed. Moreover, ‘Muscat à petits grains blanc’, mainly through its offspring ‘Malvasia odorosissima’, furnished a consistent contribution to the development of many aromatic grapes grown in the Northern-Western part of the Italian Peninsula. These results represent the most complete study of grapevine Italian population genetics that has been carried out until now on the Italian germplasm.
description: VITIS - Journal of Grapevine Research, Vol. 62 (2023): Vitis (Special Issue)
Universal Set of Quantum Gates for Double-Dot Exchange-Only Spin Qubits with Intradot Coupling
Creators: name: De Michielis, Marco
name: Ferraro, Elena
name: Fanciulli, Marco
name: Prati, Enrico
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We present a universal set of quantum gate operations based on exchange-only spin qubits in a double quantum dot, where each qubit is obtained by three electrons in the (2,1) filling. Gate operations are addressed by modulating electrostatically the tunneling barrier and the energy offset between the two dots, singly and doubly occupied respectively. We propose explicit gate sequences of single qubit operations for Hadamard gate and $π$/8 gate, and the two-qubit controlled NOT (CNOT) gate, to complete the universal set. The unswitchable interaction between the two electrons of the doubly occupied quantum dot is taken into account. Short gate times are obtained by employing spin density functional theory simulations.
A mathematical theory of super-resolution by using a system of sub-wavelength Helmholtz resonators
Creators: name: Ammari, Habib
name: Zhang, Hai
Publisher: name: arXiv
Year: 2014
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35R30, 35B30

description: A rigorous mathematical theory is developed to explain the super-resolution phenomenon observed in the experiment by F.Lemoult, M.Fink and G.Lerosey (Acoustic resonators for far-field control of sound on a subwavelength scale, Phys. Rev. Lett., 107 (2011)). A key ingredient is the calculation of the resonances and the Green function in the half space with the presence of a system of Helmholtz resonators in the quasi-stationary regime. By using boundary integral equations and generalized Rouche's theorem, the existence and the leading asymptotic of the resonances are rigorously derived. The integral equation formulation also yields the leading order terms in the asymptotics of the Green function. The methodology developed in the paper provides an elegant and systematic way for calculating resonant frequencies for Helmholtz resonators in assorted space settings as well as in various frequency regimes. By using the asymptotics of the Green function, the analysis of the imaging functional of the time-reversal wave fields becomes possible, which clearly demonstrates the super-resolution property. The result provides the first mathematical theory of super-resolution in the context of a deterministic medium and sheds light to the mechanism of super-resolution and super-focusing for waves in deterministic complex media.
Analysis of Croatian wild and cultivated grapevine diversity by genotyping by sequencing
Creators: name: Marinov, Luka
name: Zdunić, Goran
name: Di Gaspero, Gabriele
name: Magris, Gabriele
name: Morgante, Michele
name: Lukšić, Katarina
name: Hančević, Katarina
name: Maletić, Edi
name: Bubola, Marijan
name: Pejić, Ivan
Publisher: name: VITIS - Journal of Grapevine Research
Year: 2023

description: Minor varieties represent a significant part of the grapevine germplasm (Vitis vinifera L. subsp. vinifera) in Croatia. During the long history of grape cultivation in insular, coastal and continental Croatia, numerous local varieties were cultivated, many of which are still used today. There are also several populations of wild grapevine (Vitis vinifera subsp. sylvestris Hegi Gmel) that have survived until the present in natural sites. Here, we developed a single primer enrichment technology (SPET) panel consisting of 61,308 probes for targeted sequencing of the V. vinifera gene space. In doing so, we examined a total of 28,092 gene models, 88.2% of all predicted genes, interrogating an average of 19 Mb nucleotides per individual genome, which corresponds to 4% of the haploid genome length. This is the first time that SPET-based sequencing has been applied to Croatian grapevine germplasm to generate multilocus genotype data of 126 cultivated accessions and 50 wild specimens. We identified 531,900 variants sites, 208,802 of which reside in coding sequences, 140,836 in introns, 118,416 in UTRs, and 63,424 in the nearby intergenic space that revealed the presence of 33 clonally propagated specimens representing both synonymies and clones within local varieties (22) as well as synonymies between local and international varieties (11), mostly from neighbouring countries. To investigate possible contribution of wild grapevine (Vitis vinifera subsp. sylvestris Hegi Gmel) to the development of present cultivars, four wild grapevine populations were included. None of the cultivated varieties showed close kinship with local wild specimens. This study opens new possibilities for studying the genetic diversity of Croatian grapevine germplasm and provides additional information with respect to SSR genotyping and phenotyping.
description: VITIS - Journal of Grapevine Research, Vol. 62 (2023): Vitis (Special Issue)
Presentations from 11th Scientific conference "Science - from possibility to action" and training on KNOWLEDGE JUNCTION
Creators: name: Popova, Donka
Publisher: name: Zenodo
Year: 2019
Subjects: food safety
risk asssessment
Knowledge Junction

description: Presentations presented at 11th Scientific conference „Science - from possibility to action” and training on KNOWLEDGE JUNCTION carried out in November 2018.
description: BG; PPTX; PDF; DPopova@mzh.government.bg
Grapevine genetic resources of Armenia: molecular fingerprinting and phylogenetic relationship among wild and cultivated grapevine
Creators: name: Margaryan, Kristine
name: Gasparyan, Boris
name: Prtrosyan, Artur
name: Harutyunyan, Frunz
name: Töpfer, Reinhard
name: Maul, Erika
Publisher: name: VITIS - Journal of Grapevine Research
Year: 2023

description: Armenia is characterized by a high diversity of cultivated (Vitis vinifera L. subsp. Vinifera) and wild (Vitis vinifera L. subsp. sylvestris) grapes. The country has played a leading role in the centuries-lasting history of grapevine cultivation in the Near East. Varying climatic conditions and the existence of wild grapes lead to the formation and promotion of viticulture and winemaking, as evidenced by nearly 450 autochthonous varieties. Hundreds of unique indigenous cultivars are still preserved in old vineyards and abandoned gardens, though most of them are threatened by extinction. Wild grapes, thriving along riverbanks, climbing the rocks and embracing the trees can be found in Vayots Dzor, Tavush, Syunik provinces and in Artsakh. With the main goal to estimate the phylogenetic relationships among Armenian wild grapes and indigenous cultivars, and evaluating the possible contribution of wild grapes to the genetic makeup of indigenous cultivars, we analyzed 79 unique cultivars and 111 putative wild plants, collected from different viticulture regions, with 24 nSSR markers. The genetic diversity analysis conducted for wild grapes and indigenous cultivars unfolded the allelic richness of wild and cultivated gene pools and surprisingly for us revealed the absence of significant differences for all genetic parameters between the two subspecies. Moreover, the results registered for the number of different alleles (Na), effective number of alleles (Ne), and Shannon’s information index (I) have shown comparatively high values for wild grapes, while the observed negative value of Fixation index (F) for indigenous cultivars mirrored an abundance of heterozygote genotypes presuming random mating. The neighbour-joining (NJ) cluster analysis indicated a clear separation between the two subspecies vinifera and sylvestris and formed two main clusters. Applied non-hierarchical horizontal clustering using Structure software assigned the 190 genotypes into two clusters. The delta K criterion (ΔK) suggested K = 2 as the optimal uppermost hierarchical level of structure. Obtained results were comparable with the NJ cluster analysis and confirmed the divergence of sylvestris from vinifera, indicating a clear separation between the two subspecies. Meanwhile, results highlighted the role of gene flow between wild grapes and cultivars through observed overlaps and admixed ancestry values. Grapevine genetic resources of Armenia can contribute to overcoming biotic and abiotic stresses and better adaptation to climate change.
description: VITIS - Journal of Grapevine Research, Vol. 62 (2023): Vitis (Special Issue)
Vitis genetic resources: current challenges, achievements and perspectives
Creators: name: Lacombe, Thierry
Publisher: name: VITIS - Journal of Grapevine Research
Year: 2023

description: Management and knowledge of Vitis genetic resources aim to help address the multiple current and future challenges facing the professional sector: i) preservation of wild and cultivated grapevine heritage, ii) clonal selection of existing cultivars, iii) creation of new cultivars by hybridisation or other technologies, iv) progress in fundamental and applied sciences on all viticultural and oenological issues. It is therefore a vast field of study and actions that deals with all taxonomic levels within the Vitis genus (subgenus, species and their hybrids, cultivars and their variants, clones), in natural and cultivated environments, on all continents, both for fruit production (wine and table grapes) and for rootstocks. To meet the many expectations, different actors should ideally coordinate the following actions: 1) research and identification of sources of genetic diversity, 2) access, collection and sampling of this diversity, 3) ex situ and/or in situ conservation, 4) characterization, 5) dissemination of plant material and related information, 6) use of genetic resources by the different applicants. Following this outline, we will try to assess the challenges and achievements over the last 5-10 years, and discuss the perspectives of this disciplinary field taking into account elements of the wine-growing, scientific, institutional and regulatory context.
description: VITIS - Journal of Grapevine Research, Vol. 62 (2023): Vitis (Special Issue)
Dynamically protected cat-qubits: a new paradigm for universal quantum computation
Creators: name: Mirrahimi, Mazyar
name: Leghtas, Zaki
name: Albert, Victor V.
name: Touzard, Steven
name: Schoelkopf, Robert J.
name: Jiang, Liang
name: Devoret, Michel H.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We present a new hardware-efficient paradigm for universal quantum computation which is based on encoding, protecting and manipulating quantum information in a quantum harmonic oscillator. This proposal exploits multi-photon driven dissipative processes to encode quantum information in logical bases composed of Schrödinger cat states. More precisely, we consider two schemes. In a first scheme, a two-photon driven dissipative process is used to stabilize a logical qubit basis of two-component Schrödinger cat states. While such a scheme ensures a protection of the logical qubit against the photon dephasing errors, the prominent error channel of single-photon loss induces bit-flip type errors that cannot be corrected. Therefore, we consider a second scheme based on a four-photon driven dissipative process which leads to the choice of four-component Schrödinger cat states as the logical qubit. Such a logical qubit can be protected against single-photon loss by continuous photon number parity measurements. Next, applying some specific Hamiltonians, we provide a set of universal quantum gates on the encoded qubits of each of the two schemes. In particular, we illustrate how these operations can be rendered fault-tolerant with respect to various decoherence channels of participating quantum systems. Finally, we also propose experimental schemes based on quantum superconducting circuits and inspired by methods used in Josephson parametric amplification, which should allow to achieve these driven dissipative processes along with the Hamiltonians ensuring the universal operations in an efficient manner.
description: 28 pages, 11 figures
Measurements of xenon ions velocity in Cylindrical Hall Thruster with Laser-Induced Fluorescence spectroscopy
Creators: name:  TATIANA PERROTIN
name:   STEPHANE MAZOUFFRE
name:   JAUME NAVARRO-CAVALLE
name:   PABLO FAJARDO
name:   EDUARDO AHEDO
Publisher: name: Proceedings of the Aerospace Europe Conference - EUCASS - CEAS - 2023
Year: 2023
Subjects: ELECTRIC PROPULSION
CYLINDRICAL HALL THRUSTER
LASER-INDUCED FLUORESCENCE

description: The Velocity Distribution Function of the xenon ions and atoms was measured by means of Laser-Induced Fluorescence spectroscopy in a plasma thruster. The device characterized was a miniaturized Cylindrical Hall Thruster designed to operate in the discharge power range of 100 -300 W. The axial component of the velocity was probed at multiple axial and radial positions inside the discharge chamber and in the near-field. The results allowed for identifying the ionization and acceleration regions, estimating the axial electric field, and observing the effects of the peculiar magnetic topology of the CHT on the ions. The experimental fluorescence lineshapes were reconstructed using a theoretical model to distinguish the features of the VDF from any broadening mechanisms that modify the aspect of the optical transition.
Convective heat transfer coefficient of steel member in localized fire condition
Creators: name: Zhou, Jinggang
name: Zhou, Xuanyi
name: Cong, Beihua
name: Wang, Wei
Publisher: name: figshare
Year: 2023
Subjects: Structural engineering
Fire safety engineering

description: At present, values adopted from specifications are mostly used to define the convective heat transfer coefficient ch in localized fire researches. In this paper, the specific scenario of the steel column surrounded by fire plume is selected as a typical case to explore the surface ch change rules of the steel column. This paper conducts a two-way coupling simulation analysis of the fire and the thermal models by means of CFD codes. First, the validity of this simulation methodology is verified. Following this, the distribution laws of the spatial velocity are analyzed, and the ch coefficient of the steel column surface is explored in detail using two different calculation formulas. The ch results obtained based on Newton's Law of Cooling is more likely to consider the temperature boundary layer situations above the column surface, which is lower at the bottom of the column and increases with height, with relative maximum value in the lower and middle parts of the column, reaching around 35 W/m2 K. In contrast, the c h distributions along the height obtained by the empirically based practical formula are similar to the distribution of fire plume velocity along the height. In other words, it considers mostly the effect of the velocity boundary layer, while the effect of significant changes in fluid temperature on convective heat transfer behavior is less considered.
Long-term memory guides resource allocation in working memory
Creators: name: Bruning, Allison Lee
name: 0000-0003-0299-139X
Publisher: name: The University of Texas at Austin
Year: 2021
Subjects: Working memory
Long-term memory

description: Working memory capacity is incredibly limited and thus it is important to use this resource wisely. Prior knowledge in long-term memory can aide in efficient encoding of information by allowing for the prioritization of novel stimuli over familiar ones. Here we used a full-report procedure in a visual working memory paradigm, where participants reported the location of six colored circles in any order, to examine the influence of prior information on resource allocation in working memory. Participants learned that one of the items appeared in a restricted range of locations, whereas the remaining items could appear in any location. We found that participants’ memory performance benefited from learning this prior information. Specifically, response precision increased for all items when prior information was available for one of the items. Responses for both familiar and novel items were systematically ordered from highest to lowest precision. Participants tended to report the familiar item in the second half of the six responses and did so with greater precision than for novel items. Moreover, novel items that appeared near the center of the prior location were reported with greater error than novel items that appeared elsewhere. This shows that people strategically allocated working memory resources by ignoring information that appeared in predictable locations and prioritizing the encoding of information that appeared in unpredictable locations. Together these findings demonstrate that people rely on long-term memory not only for remembering familiar items, but also for the strategic allocation of their limited capacity working memory resources
Dynamical properties of $k$-free lattice points
Creators: name: Huck, Christian
name: Baake, Michael
Publisher: name: arXiv
Year: 2014
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 52C07, 37A45 (Primary) 11H06, 42A38, 37A35 (Secondary)

description: We revisit the visible points of a lattice in Euclidean $n$-space together with their generalisations, the $k$th-power-free points of a lattice, and study the corresponding dynamical system that arises via the closure of the lattice translation orbit. Our analysis extends previous results obtained by Sarnak and by Cellarosi and Sinai for the special case of square-free integers and sheds new light on previous joint work with Peter Pleasants.
description: 5 pages, 2 figures
MPEC 2023-F244 : 2022 FF2
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
From  to ISOTiger – Community Driven Developments for Syntax Annotation in SynAF
Creators: name: Bosch, Sonja
name: Eckart, Kerstin
name: Faaß, Gertrud
name: Heid, Ulrich
name: Lee, Kiyong
name: Pareja-Lora, Antonio
name: Pretorius, Laurette
name: Romary, Laurent
name: Witt, Andreas
name: Zeldes, Amir
name: Zipser, Florian
Publisher: name: University of Tübingen
Year: 2014

description: In 2010, ISO published a standard for syntactic annotation, ISO 24615:2010 (SynAF). Back then, the document specified a comprehensive reference model for the representation of syntactic annotations, but no accompanying XML serialisation. ISO's subcommittee on language resource management (ISO TC 37/SC 4) is working on making the SynAF serialisation ISOTiger an additional part of the standard. This contribution addresses the current state of development of ISOTiger, along with a number of open issues on which we are seeking community feedback in order to ensure that ISOTiger becomes a useful extension to the SynAF reference model.
Srinivas' Problem for Rational Double Points
Creators: name: Brevik, John
name: Nollet, Scott
Publisher: name: arXiv
Year: 2014
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14B05, 13C20

description: For the completion B of a local geometric normal domain, V. Srinivas asked which subgroups of Cl B arise as the image of the map from Cl A to Cl B on class groups as A varies among normal geometric domains with B isomorphic to the completion of A. For two dimensional rational double point singularities we show that all subgroups arise in this way. We also show that in any dimension, every normal hypersurface singularity has completion isomorphic to that of a geometric UFD. Our methods are global, applying Noether-Lefschetz theory to linear systems with non-reduced base loci.
description: 11 pages. arXiv admin note: substantial text overlap with arXiv:1110.1867
title: Bayesian Decisions using Regions of Practical Equivalence (ROPE): Foundations
Creators: name: Schwaferts, Patrick
name: Augustin, Thomas
Publisher: name: Universitätsbibliothek der Ludwig-Maximilians-Universität München
Year: 2020

description: Kruschke [2018] proposes the so called HDI+ROPE decision rule about accepting or rejecting a parameter null value for practical purposes using a region of practical equivalence (ROPE) around the null value and the posterior highest density interval (HDI) in the context of Bayesian statistics. Further, he mentions the so called ROPE-only decision rule within his supplementary material, which is based on ROPE, but uses the full posterior information instead of the HDI. Of course, if it is about formalizing and guiding decisions then statistical decision theory is the framework to rely on, and this technical report elaborates the decision theoretic foundations of both decision rules. It appears that the foundation of the HDI+ROPE decision rule is rather artificial compared to the foundation of the ROPE-only decision rule, such that latter might be characterized as being closer to the underlying practical purpose than former. Still, the ROPE-only decision rule employs a truly arbitrary, and thus debatable, choice of loss values.
Comparisons on fluid-solid heat transfer simulation for localized fire resistance
Creators: name: Zhou, Xuanyi
name: Zhou, Jinggang
name: Cong, Beihua
name: Wang, Wei
Publisher: name: figshare
Year: 2023
Subjects: Fire safety engineering
Structural engineering

description: A research idea of multi-physics field coupling can be used to solve the structural fire resistance problem. Most of the previous CFD-FEM numerical simulations in structural fire resistance studies apply adiabatic surface temperature (AST) to accurately describe the complex fire analysis boundary conditions, and this methodology belongs to the use of iterative coupling methods to achieve fluid-solid heat transfer coupling. However, there is less application for another direct two-way coupling method. In this paper, a 2.5-meter-high square steel tube column is selected to investigate the thermodynamic phenomena when surrounding by fire plume. Based on CFD code, the thermal-mechanical coupling in fluid domain is firstly realized, and then the fluid-solid thermal coupling is realized by using iterative coupling method (AST method) and direct coupling method (Conjugate heat transfer method, CHT method) respectively, and the accuracy of this two coupling methodology is verified by comparing with experimental data. The heat flux received at the column surface is analyzed in the CHT method while the characteristics of the AST parameters are analyzed in the AST method. Finally, the mechanical analysis is completed with the solid temperature as the boundary condition and the thermal-mechanical coupling in solid domain is realized.
Spin-orbit coupling in octamers in a spinel sulfide CuIr$_2$S$_4$: Competition between spin-singlet and quadrupolar states, and its relevance to remnant paramagnetism
Creators: name: Nasu, Joji
name: Motome, Yukitoshi
Publisher: name: arXiv
Year: 2014
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We theoretically investigate magnetic properties in the low-temperature phase with the formation of eight-site clusters, octamers, in the spinel compound CuIr$_2$S$_4$. The octamer state was considered to be a spin-singlet state induced by a Peieirls instability through the strong anisotropy of $d$ orbitals, the so-called orbital Peierls state. We reexamine this picture by taking into account the spin-orbit coupling which was ignored in the previous study. We derive a low-energy effective model between $j_{\rm eff}=1/2$ quasispins on Ir$^{4+}$ cations in an octamer from the multiorbital Hubbard model with the strong spin-orbit coupling by performing the perturbation expansion from the strong correlation limit. The effective Hamiltonian is in the form of the Kitaev-Heisenberg model but with an additional interaction, a symmetric off-diagonal exchange interaction originating from the perturbation process including both d-d and d-p-d hopping. Analyzing the effective Hamiltonian on two sites and the octamer by the exact diagonalization, we find that there is a competition between a spin-singlet state and a quadrupolar state. The former singlet state is a conventional one, adiabatically connected to the orbital-Peierls state. On the other hand, the latter quadrupolar state is stabilized by the additional interaction, which consists of a linear combination of different total spin momenta along the spin quantization axis. In the competing region, the model exhibits paramagnetic behavior with a renormalized small effective moment at low temperature. This peculiar remnant paramagnetism is not obtained in the Kitaev-Heisenberg model without the additional interaction. Our results renew the picture of the octamer state and provide a scenario for the intrinsic paramagnetic behavior recently observed in a muon spin rotation experiment [K. M. Kojima et al., Phys. Rev. Lett. 112, 087203 (2014)].
description: 13 pages, 12 figures