cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Naziritor zhobensis
Creators: name: Çiçek, Erdoğan
name: Fricke, Ronald
name: Eagderi, Soheil
name: Sungur, Sevil
name: Coad, Brian W
name: Hamdard, Mohammad Hamid
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Cypriniformes
Cyprinidae
Naziritor
Naziritor zhobensis

description: Naziritor zhobensis (Mirza, 1967)
Remarks. This species was originally described as Tor zhobensis Mirza, 1967 from the Zhob River drainage in Pakistan by Mirza (1967), then listed by Coad (1981: 11; 2015: 327) as a species possibly distributed in the Swat and Kabul Rivers, Afghanistan. The presence of the species needs clarification.
description: Published as part of Çiçek, Erdoğan, Fricke, Ronald, Eagderi, Soheil, Sungur, Sevil, Coad, Brian W & Hamdard, Mohammad Hamid, 2023, Fishes of Afghanistan; a revised and updated annotated checklist, pp. 1-69 in Zootaxa 5305 (1) on page 51, DOI: 10.11646/zootaxa.5305.1.1, http://zenodo.org/record/8048564
Superconductive Sodalite-like Clathrate Hydrides MXH$_{12}$ with Critical Temperatures of near 300 K under Pressures
Creators: name: Fan, Yuxiang
name: Li, Bin
name: Zhu, Cong
name: Cheng, Jie
name: Liu, Shengli
name: Shi, Zhixiang
Publisher: name: arXiv
Year: 2024
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We designed and investigated a series of ternary hydride compounds MXH$_{12}$ crystallizing in the cubic $Pm\overline{3}m$ structure as potential rare-earth and alkaline-earth superconductors. First-principles calculations were performed on these prospective superconductors across the pressure range of 50-200 GPa, revealing their electronic band structures, phonon dispersions, electron-phonon interactions, and superconducting properties. Several compounds were identified as dynamically stable, with ScYbH$_{12}$ and LuYbH$_{12}$ remaining stable at 70 GPa, and ScLuH$_{12}$ at 100 GPa. Notably, Eliashberg theory and electron-phonon coupling calculations predict CaLuH$_{12}$ to exhibit a remarkable $T_{c}$ of up to 294 K at 180 GPa. These findings unveil ternary hydrides as a promising class of high-temperature superconductors and provide insights for achieving superconductivity at lower or ambient pressures through material design and exploration.
Perileptus Schaum 1860
Creators: name: Deuve, Thierry
name: Kavanaugh, David H.
name: Liang, Hongbin
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Carabidae
Perileptus

description: Genus Perileptus Schaum, 1860
 Perileptus Schaum, 1860:663.
 TYPE SPECIES.— Carabus areolatus Creutzer, 1799.
 DIAGNOSIS.— Adults of this genus (Figs. 5a, 6a) can be recognized by the following combination of character states: size small to medium (BL = 2.0 to 3.5 mm), fully winged, dorsal surface covered with more or less long pubescence; eyes large, convex, pubescent; frons flat, frontal furrows wide and deep, attenuated posteriorly; terminal palpomeres slender, attenuated apically; mentum free, not fused with submentum; submentum with 10 or 12 setae; antennal scape distinctly pubescent; pronotum narrowed basally, with base broadly projected posteriorly, median longitudinal furrow deeply and sharply defined; elytra elongate and flattened, recurrent stria indistinct; legs short, protibiae without longitudinal furrows.
 GEOGRAPHICAL DISTRIBUTION.— Perileptus is a moderately diverse genus with about 50 described species arrayed in four subgenera (Lorenz 2005). It is represented in the Palearctic, Oriental, Afrotropical, Australian and Neotropical Regions. The study area is within the previously known range of this genus.
description: Published as part of Deuve, Thierry, Kavanaugh, David H. & Liang, Hongbin, 2016, Inventory of the Carabid Beetle Fauna of the Gaoligong Mountains, Western Yunnan Province, China: Species of the Tribe Trechini (Coleoptera: Caraboidea), with Descriptions of Four New Genera, One New Subgenus and 19 New Species., pp. 341-455 in Proceedings of the California Academy of Sciences 63 (12) on page 347, DOI: 10.5281/zenodo.13155283
Anyonic braiding via quench dynamics in fractional quantum Hall liquids
Creators: name: Li, Jie
name: Ye, Dan
name: Jiang, Chen-Xin
name: Jiang, Na
name: Wan, Xin
name: Hu, Zi-Xiang
Publisher: name: arXiv
Year: 2022
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: In a Laughlin fractional quantum Hall state, one- and two-quasihole states can be obtained by diagonalizing the many-body Hamiltonian with a trapping potential or, for larger systems, from the linear combination of the edge Jack polynomials. The quasihole states live entirely in the subspace of the lowest-energy branch in the energy spectrum with a fixed number of orbits, or a hard-wall confinement. The reduction in the Hilbert space dimension facilitates the study of time evolution of the quasihole states after, say, the removal of the trapping potential. We explore the quench dynamics under a harmonic external potential, which rotates the quasiholes in the droplet, and discuss the effect of long-range interaction and more realistic confinement. Accurate evaluation of the mutual statistics phase of anyons for a wide range of anyon separation can be achieved from the Berry-phase calculation.
description: 9 pages, 9 figures
Higgs boson production at the LHC: fast and precise predictions in QCD at higher orders
Creators: name: Camarda, Stefano
name: Cieri, Leandro
name: Ferrera, Giancarlo
name: Urtasun-Elizari, Jesus
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We present a new numerical program, HTurbo, which provides fast and numerically precise predictions for Higgs boson production cross sections. The present version of the code implements the perturbative QCD expansion up to the next-to-next-to-leading order also combined with the resummation of the large logarithmic corrections at small transverse momenta up to next-to-next-to-leading logarithmic accuracy and it includes the Higgs boson production through gluon fusion and decay in two photons with the full dependence on the final-state kinematics. Arbitrary kinematical cuts can be applied to the final states in order to obtain fiducial cross sections and associated kinematical distributions. We present a benchmark comparison with the predictions obtained with the numerical programs HRes and HNNLO programs for which HTurbo represents an improved reimplementation.
description: 12 pages, 5 figures
title: Учебное пособие «История и культура Осетии» (краткий курс лекций для студентов педагогического вуза)
Creators: name: Тедеева Н.В.
Publisher: name: Северо-Осетинский государственный педагогический институт
Year: 2018

description: Пособие содержит материал, охватывающий основные этапы истории и культуры Осетии. Содержание курса будет способствовать приобщению будущих педагогов к общечеловеческим ценностям через национальные традиции, культуру, историю. Предназначено для студентов педагогического вуза.
description: The manual contains material covering the main stages of the history and culture of Ossetia. The course content will contribute to introducing future teachers to the universal values across national traditions, culture and history. Intended for students of pedagogical universities.
Learning from Radiation at a Very High Energy Lepton Collider
Creators: name: Chen, Siyu
name: Glioti, Alfredo
name: Rattazzi, Riccardo
name: Ricci, Lorenzo
name: Wulzer, Andrea
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the potential of lepton collisions with about $10\text{ TeV}$ center of mass energy to probe Electroweak, Higgs and Top short-distance physics at the $100\text{ TeV}$ scale, pointing out the interplay with the long-distance ($100\text{ GeV}$) phenomenon of Electroweak radiation. On one hand, we find that sufficiently accurate theoretical predictions require the resummed inclusion of radiation effects, which we perform at the double logarithmic order. On the other hand, we notice that short-distance physics does influence the emission of Electroweak radiation. Therefore the investigation of the radiation pattern can enhance the sensitivity to new short-distance physical laws. We illustrate these aspects by studying Effective Field Theory contact interactions in di-fermion and di-boson production, and comparing cross-section measurements that require or that exclude the emission of massive Electroweak bosons. The combination of the two types of measurements is found to enhance the sensitivity to the new interactions. Based on these results, we perform sensitivity projections to Higgs and Top Compositeness and to minimal $Z'$ new physics scenarios at future muon colliders.
description: 48 pages, 17 figures
Pethia ticto
Creators: name: Çiçek, Erdoğan
name: Fricke, Ronald
name: Eagderi, Soheil
name: Sungur, Sevil
name: Coad, Brian W
name: Hamdard, Mohammad Hamid
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Cypriniformes
Cyprinidae
Pethia
Pethia ticto

description: Pethia ticto (Hamilton, 1822)
Remarks. This species was originally described from the Lower Swat River drainage in Pakistan by Mirza (1973) and then listed by Coad (1981: 11; 2015: 327) as a possible distributed species for Afghanistan. The presence of the species needs clarification.
description: Published as part of Çiçek, Erdoğan, Fricke, Ronald, Eagderi, Soheil, Sungur, Sevil, Coad, Brian W & Hamdard, Mohammad Hamid, 2023, Fishes of Afghanistan; a revised and updated annotated checklist, pp. 1-69 in Zootaxa 5305 (1) on page 51, DOI: 10.11646/zootaxa.5305.1.1, http://zenodo.org/record/8048564
HZDR SRF Gun for User Operation & the New Gun-Lab
Creators: name: Xiang, Rong
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2018

description: PITZ Collaboration meeting May 2018, Zeuthen, DESY, Germany, 29 May 2018 - 30 May 2018
Charged Moments in $W_3$ Higher Spin Holography
Creators: name: Zhao, Suting
name: Northe, Christian
name: Weisenberger, Konstantin
name: Meyer, René
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We consider the charged moments in $SL(3,\mathbb{R})$ higher spin holography, as well as in the dual two-dimensional conformal field theory with $W_3$ symmetry. For the vacuum state and a single entangling interval, we show that the $W_3$ algebra of the conformal field theory induces an entanglement $W_3$ algebra acting on the quantum state in the entangling interval. The algebra contains a spin 3 modular charge which commutes with the modular Hamiltonian. The reduced density matrix is characterized by the modular energy and modular charge, hence our definition of the charged moments is also with respect to these conserved quantities. We evaluate the logarithm of the charged moments perturbatively in the spin 3 modular chemical potential, by computing the corresponding connected correlation functions of the modular charge operator up to quartic order in the chemical potential. This method provides access to the charged moments without using charged twist fields. Our result matches known results for the charged moment obtained from the charged topological black hole picture in $SL(3,\mathbb{R})$ higher spin gravity. Since our charged moments are not Gaussian in the chemical potential any longer, we conclude that the dual $W_3$ conformal field theories must feature breakdown of equipartition of entanglement to leading order in the large $c$ expansion.
description: 28 pages, no figures, v2: accepted for publication in JHEP
Wilson loops in the Hamiltonian formalism
Creators: name: Pisarski, Robert D.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In a gauge theory, the gauge invariant Hilbert space is unchanged by the coupling to arbitrary local operators. In the presence of Wilson loops, though, the physical Hilbert space must be enlarged by adding test electric charges along the loop. I discuss how at nonzero temperature Polyakov loops are naturally related to the propagator of a test charge. 't Hooft loops represent the propagation of a test magnetic charge, and so do not alter the physical Hilbert space.
Empirical Bayes Linked Matrix Decomposition
Creators: name: Lock, Eric F.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Machine Learning (stat.ML)
subject: Machine Learning (cs.LG)
subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: Data for several applications in diverse fields can be represented as multiple matrices that are linked across rows or columns. This is particularly common in molecular biomedical research, in which multiple molecular "omics" technologies may capture different feature sets (e.g., corresponding to rows in a matrix) and/or different sample populations (corresponding to columns). This has motivated a large body of work on integrative matrix factorization approaches that identify and decompose low-dimensional signal that is shared across multiple matrices or specific to a given matrix. We propose an empirical variational Bayesian approach to this problem that has several advantages over existing techniques, including the flexibility to accommodate shared signal over any number of row or column sets (i.e., bidimensional integration), an intuitive model-based objective function that yields appropriate shrinkage for the inferred signals, and a relatively efficient estimation algorithm with no tuning parameters. A general result establishes conditions for the uniqueness of the underlying decomposition for a broad family of methods that includes the proposed approach. For scenarios with missing data, we describe an associated iterative imputation approach that is novel for the single-matrix context and a powerful approach for "blockwise" imputation (in which an entire row or column is missing) in various linked matrix contexts. Extensive simulations show that the method performs very well under different scenarios with respect to recovering underlying low-rank signal, accurately decomposing shared and specific signals, and accurately imputing missing data. The approach is applied to gene expression and miRNA data from breast cancer tissue and normal breast tissue, for which it gives an informative decomposition of variation and outperforms alternative strategies for missing data imputation.
description: 29 pages, 8 figures
Unphysical Discontinuities, Intruder States and Regularization in $GW$ Methods
Creators: name: Monino, Enzo
name: Loos, Pierre-François
Publisher: name: arXiv
Year: 2022
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: By recasting the non-linear frequency-dependent $GW$ quasiparticle equation into a linear eigenvalue problem, we explain the appearance of multiple solutions and unphysical discontinuities in various physical quantities computed within the $GW$ approximation. Considering the $GW$ self-energy as an effective Hamiltonian, it is shown that these issues are key signatures of strong correlation in the $(N\pm1)$-electron states and can be directly related to the intruder state problem. A simple and efficient regularization procedure inspired by the similarity renormalization group is proposed to avoid such issues and speed up convergence of partially self-consistent $GW$ calculations.
description: 8 pages, 5 figures (supplementary material available)
Polynomial representations of classical Lie algebras and flag varieties
Creators: name: Morozov, A.
name: Reva, M.
name: Tselousov, N.
name: Zenkevich, Y.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: Representation Theory (math.RT)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Recently we have started a program to describe the action of Lie algebras associated with Dynkin-type diagrams on generic Verma modules in terms of polynomial vector fields. In this paper we explain that the results for the classical ABCD series of Lie algebras coincide with the more conventional approach, based on the knowledge of the entire algebra, not only the simple roots. We apply the coset description, starting with a large representation and then reducing it with the help of the algebra, commuting with the original one. The irreducible representations are then obtained by gauge fixing this residual symmetry.
Sonnenfleckenzeichnung Nr. 3633.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 17.06.1902, erstellt von Alfred Wolfer
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1902

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich. Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zugeordnete numerische Werte wurden in einer separat geführten, chronologischen Tabelle erfasst. Unter Umständen sind tabellarisch notierte Werte, die für Protuberanzen mit rot geschrieben wurden, direkt auf der Fleckenzeichnung vermerkt
description: ETH-Bibliothek
Carassius gibelio
Creators: name: Çiçek, Erdoğan
name: Fricke, Ronald
name: Eagderi, Soheil
name: Sungur, Sevil
name: Coad, Brian W
name: Hamdard, Mohammad Hamid
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Cypriniformes
Cyprinidae
Carassius
Carassius gibelio

description: Carassius gibelio (Bloch, 1782)
Remarks. This species is widely introduced in Europe and Asia. It is probable that it was also introduced via transboundary waterways. The presence of the species needs clarification.
description: Published as part of Çiçek, Erdoğan, Fricke, Ronald, Eagderi, Soheil, Sungur, Sevil, Coad, Brian W & Hamdard, Mohammad Hamid, 2023, Fishes of Afghanistan; a revised and updated annotated checklist, pp. 1-69 in Zootaxa 5305 (1) on page 51, DOI: 10.11646/zootaxa.5305.1.1, http://zenodo.org/record/8048564
Symmetries at Causal Boundaries in 2D and 3D Gravity
Creators: name: Adami, H.
name: Mao, Pujian
name: Sheikh-Jabbari, M. M.
name: Taghiloo, V.
name: Yavartanoo, H.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study 2d and 3d gravity theories on spacetimes with causal (timelike or null) codimension one boundaries while allowing for variations in the position of the boundary. We construct the corresponding solution phase space and specify boundary degrees freedom by analysing boundary (surface) charges labelling them. We discuss Y and W freedoms and change of slicing in the solution space. For D dimensional case we find D+1 surface charges, which are generic functions over the causal boundary. We show that there exist solution space slicings in which the charges are integrable. For the 3d case there exists an integrable slicing where charge algebra takes the form of Heisenberg \oplus\ {\cal A}_3 where {\cal A}_3 is two copies of Virasoro at Brown-Henneaux central charge for AdS_3 gravity and BMS_3 for the 3d flat space gravity.
description: 22 pages, 1 figure
Nonunitary Superconductivity in Complex Quantum Materials
Creators: name: Ramires, Aline
Publisher: name: arXiv
Year: 2022
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We present a comprehensive discussion on nonunitary superconductivity in complex quantum materials. Starting with a brief review of the notion of nonunitary superconductivity, we discuss its spectral signatures in simple models with only the spin as an internal degree of freedom. In complex materials with multiple internal degrees of freedom, there are many more possibilities for the development of nonunitary order parameters. We provide examples focusing on d-electron systems with two orbitals, applicable to a variety of materials. We discuss the consequences for the superconducting spectra, highlighting that gap openings of band crossings at finite energies can be attributed to a nonunitary order parameter if this is associated with a finite superconducting fitness matrix $\hat{F}_C(\mathbf{k})$. We speculate that nonunitary superconductivity in complex quantum materials is in fact very common and can be associated with multiple cases of time-reversal symmetry breaking superconductors.
High-mobility two-dimensional electron gas in $γ$-Al$_2$O$_3$/SrTiO$_3$ heterostructures
Creators: name: Chen, Xiang-Hong
name: Hu, Zhi-Xin
name: Gao, Kuang-Hong
name: Li, Zhi-Qing
Publisher: name: arXiv
Year: 2022
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The origin of the two-dimensional electron gas (2DEG) in the interface between $γ$-Al$_2$O$_3$ (GAO) and SrTiO$_3$ (STO) (GAO/STO) as well as the reason for the high mobility of the 2DEG is still in debate. In this paper, the electronic structures of [001]-oriented GAO/STO heterostructures with and without oxygen vacancies are investigated by first-principle calculations based on the density functional theory. The calculation results show that the necessary condition for the formation of 2DEG is that the GAO/STO heterostructure has the interface composed of Al and TiO$_2$ layers. For the heterostructure without oxygen vacancy on the GAO side, the 2DEG originates from the polar discontinuity near the interface, and there is a critical thickness for the GAO film, below which the 2DEG would not present and the heterostructure exhibits insulator characteristics. For the case that only the GAO film contains oxygen vacancies, the polar discontinuity near the interface disappears, but the 2DEG still exists. In this situation, the critical thickness of the GAO film for 2DEG formation does not exist either. When the GAO film and STO substrate both contain oxygen vacancies, it is found that the 2DEG retains as long as the oxygen vacancies on the STO side are not very close to the interface. The low-temperature mobilities of the 2DEGs in these GAO/STO heterostructures are considered to be governed by the ionized impurity scattering, and $\sim$3 to $\sim$11 times as large as that in LaAlO$_3$/SrTiO$_3$ heterojunction. The high mobility of the 2DEG is mainly due to the small electron effective mass in GAO/STO heterostructure.
description: 10 pages, 6 figures
Emergent quantum state designs and biunitarity in dual-unitary circuit dynamics
Creators: name: Claeys, Pieter W.
name: Lamacraft, Austen
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: Recent works have investigated the emergence of a new kind of random matrix behaviour in unitary dynamics following a quantum quench. Starting from a time-evolved state, an ensemble of pure states supported on a small subsystem can be generated by performing projective measurements on the remainder of the system, leading to a projected ensemble. In chaotic quantum systems it was conjectured that such projected ensembles become indistinguishable from the uniform Haar-random ensemble and lead to a quantum state design. Exact results were recently presented by Ho and Choi [Phys. Rev. Lett. 128, 060601 (2022)] for the kicked Ising model at the self-dual point. We provide an alternative construction that can be extended to general chaotic dual-unitary circuits with solvable initial states and measurements, highlighting the role of the underlying dual-unitarity and further showing how dual-unitary circuit models exhibit both exact solvability and random matrix behaviour. Building on results from biunitary connections, we show how complex Hadamard matrices and unitary error bases both lead to solvable measurement schemes.
description: 13+7 pages
Capoeta capoeta
Creators: name: Çiçek, Erdoğan
name: Fricke, Ronald
name: Eagderi, Soheil
name: Sungur, Sevil
name: Coad, Brian W
name: Hamdard, Mohammad Hamid
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Cypriniformes
Cyprinidae
Capoeta
Capoeta capoeta

description: Capoeta capoeta (Güldenstädt, 1773)
Remarks. This species is distributed in Caspian Sea basin. Afghanistan is not included in the natural distribution range of the species. Previous records were based on misidentification, probably of Capoeta heratensis.
description: Published as part of Çiçek, Erdoğan, Fricke, Ronald, Eagderi, Soheil, Sungur, Sevil, Coad, Brian W & Hamdard, Mohammad Hamid, 2023, Fishes of Afghanistan; a revised and updated annotated checklist, pp. 1-69 in Zootaxa 5305 (1) on page 51, DOI: 10.11646/zootaxa.5305.1.1, http://zenodo.org/record/8048564
ESW Edge-Weights : Ensemble Stochastic Watershed Edge-Weights for Hyperspectral Image Classification
Creators: name: Agarwal, Rohan
name: Aziz, Aman
name: Krishnan, Aditya Suraj
name: Challa, Aditya
name: Danda, Sravan
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Hyperspectral image (HSI) classification is a topic of active research. One of the main challenges of HSI classification is the lack of reliable labelled samples. Various semi-supervised and unsupervised classification methods are proposed to handle the low number of labelled samples. Chief among them are graph convolution networks (GCN) and their variants. These approaches exploit the graph structure for semi-supervised and unsupervised classification. While several of these methods implicitly construct edge-weights, to our knowledge, not much work has been done to estimate the edge-weights explicitly. In this article, we estimate the edge-weights explicitly and use them for the downstream classification tasks - both semi-supervised and unsupervised. The proposed edge-weights are based on two key insights - (a) Ensembles reduce the variance and (b) Classes in HSI datasets and feature similarity have only one-sided implications. That is, while same classes would have similar features, similar features do not necessarily imply the same classes. Exploiting these, we estimate the edge-weights using an aggregate of ensembles of watersheds over subsamples of features. These edge weights are evaluated for both semi-supervised and unsupervised classification tasks. The evaluation for semi-supervised tasks uses Random-Walk based approach. For the unsupervised case, we use a simple filter using a graph convolution network (GCN). In both these cases, the proposed edge weights outperform the traditional approaches to compute edge-weights - Euclidean distances and cosine similarities. Fascinatingly, with the proposed edge-weights, the simplest GCN obtained results comparable to the recent state-of-the-art.
description: This article is under review at Geoscience and Remote Sensing Letters. Copyright could be transferred at any time
Dilaton invading from infinitesimal extra dimension
Creators: name: Matsumoto, Minoru
name: Nakayama, Yu
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We show that the Wess-Zumino action for the spontaneously broken Weyl (or conformal) symmetry, a.k.a dilaton effective action, in even $D$ dimensions can be obtained from the Kaluza-Klein dimensional reduction of the Lovelock action in $D+ε$ dimensions by taking the $ε\to 0$ limit, where the dilaton is identified with the metric in the extra dimension. The construction gives an explicit form of the dilaton effective action in any even dimensions.
description: 10 pages, v2: reference added
Chemically-adhesive particles form stronger and stiffer magnetorheological fluids
Creators: name: Rendos, Abigail
name: Yee, Daryl W.
name: Macfarlane, Robert J.
name: Brown, Keith A.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Magnetorheological fluids (MRF) are suspensions of magnetic particles that solidify in the presence of magnetic fields due to the particles forming chains along field lines. The magnetic forces between particles dominate the solidification process and determine the yield stress of the material. Here, we investigate how reversible chemical links between particles influence MRF yield stress and stiffness through rheological testing in flow and oscillation mode. First, we functionalize particles with phosphonate groups that are expected to link through hydrogen bonding and find that this MRF exhibits up to 40% higher yield stress and 100% higher stiffness than an MRF composed of unfunctionalized particles. To explain this, we model the chemical attraction as an adhesion that supplements dipole-dipole interactions between particles. Interestingly, we find that the increase in yield stress is largest for dilute suspensions that are expected to solidify into isolated chains, while the proportional increase in yield stress is less for MRF with higher concentrations. This is explained by the higher concentration MRF forming a body-centered tetragonal (BCT) lattice in which interparticle adhesion forces are no longer aligned with the field. To explore the possibility of dynamically tuning interparticle interactions, we functionalize particles with polystyrene polymers with thymine terminal groups that will only exhibit interparticle hydrogen bonding in the presence of a linking molecule, namely melamine. We find that MRF formed with these particles also exhibit up to a 40% increase in yield stress and ~100% increase in stiffness, but only in the presence of melamine. In addition to confirming the role of hydrogen bonding in increasing MRF performance, these results highlight the possibility of dynamically tuning MRF performance using magnetic fields and chemical modifications.
description: 15 pages, 5 figures
The scatter in the galaxy-halo connection: a machine learning analysis
Creators: name: Stiskalek, Richard
name: Bartlett, Deaglan J.
name: Desmond, Harry
name: Anbajagane, Dhayaa
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We apply machine learning, a powerful method for uncovering complex correlations in high-dimensional data, to the galaxy-halo connection of cosmological hydrodynamical simulations. The mapping between galaxy and halo variables is stochastic in the absence of perfect information, but conventional machine learning models are deterministic and hence cannot capture its intrinsic scatter. To overcome this limitation, we design an ensemble of neural networks with a Gaussian loss function that predict probability distributions, allowing us to model statistical uncertainties in the galaxy-halo connection as well as its best-fit trends. We extract a number of galaxy and halo variables from the Horizon-AGN and IllustrisTNG100-1 simulations and quantify the extent to which knowledge of some subset of one enables prediction of the other. This allows us to identify the key features of the galaxy-halo connection and investigate the origin of its scatter in various projections. We find that while halo properties beyond mass account for up to 50 per cent of the scatter in the halo-to-stellar mass relation, the prediction of stellar half-mass radius or total gas mass is not substantially improved by adding further halo properties. We also use these results to investigate semi-analytic models for galaxy size in the two simulations, finding that assumptions relating galaxy size to halo size or spin are not successful.
description: 20 pages, 11 figures. Accepted in MNRAS
Cyprinion microphthalmum
Creators: name: Çiçek, Erdoğan
name: Fricke, Ronald
name: Eagderi, Soheil
name: Sungur, Sevil
name: Coad, Brian W
name: Hamdard, Mohammad Hamid
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Cypriniformes
Cyprinidae
Cyprinion
Cyprinion microphthalmum

description: Cyprinion microphthalmum (Day, 1880)
Remarks. This species was reported from Quetta, Pakistan. This species is not found in Afghanistan. The presence of the species needs clarification.
description: Published as part of Çiçek, Erdoğan, Fricke, Ronald, Eagderi, Soheil, Sungur, Sevil, Coad, Brian W & Hamdard, Mohammad Hamid, 2023, Fishes of Afghanistan; a revised and updated annotated checklist, pp. 1-69 in Zootaxa 5305 (1) on page 51, DOI: 10.11646/zootaxa.5305.1.1, http://zenodo.org/record/8048564
Sonnenfleckenzeichnung Nr. 3549.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 25.02.1902, erstellt von Alfred Wolfer
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1902

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich. Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zugeordnete numerische Werte wurden in einer separat geführten, chronologischen Tabelle erfasst. Unter Umständen sind tabellarisch notierte Werte, die für Protuberanzen mit rot geschrieben wurden, direkt auf der Fleckenzeichnung vermerkt
description: ETH-Bibliothek
\textsc{The Three Hundred} project: The \textsc{Gizmo-Simba} run
Creators: name: Cui, Weiguang
name: Dave, Romeel
name: Knebe, Alexander
name: Rasia, Elena
name: Gray, Meghan
name: Pearce, Frazer
name: Power, Chris
name: Yepes, Gustavo
name: Anbajagane, Dhayaa
name: Ceverino, Daniel
name: Contreras-Santos, Ana
name: de Andres, Daniel
name: De Petris, Marco
name: Ettori, Stefano
name: Haggar, Roan
name: Li, Qingyang
name: Wang, Yang
name: Yang, Xiaohu
name: Borgani, Stefano
name: Dolag, Klaus
name: Zu, Ying
name: Kuchner, Ulrike
name: Cañas, Rodrigo
name: Ferragamo, Antonio
name: Gianfagna, Giulia
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We introduce \textsc{Gizmo-Simba}, a new suite of galaxy cluster simulations within \textsc{The Three Hundred} project. \textsc{The Three Hundred} consists of zoom re-simulations of 324 clusters with $M_{200}\gtrsim 10^{14.8}M_\odot$ drawn from the MultiDark-Planck $N$-body simulation, run using several hydrodynamic and semi-analytic codes. The \textsc{Gizmo-Simba} suite adds a state-of-the-art galaxy formation model based on the highly successful {\sc Simba} simulation, mildly re-calibrated to match $z=0$ cluster stellar properties. Comparing to \textsc{The Three Hundred} zooms run with \textsc{Gadget-X}, we find intrinsic differences in the evolution of the stellar and gas mass fractions, BCG ages, and galaxy colour-magnitude diagrams, with \textsc{Gizmo-Simba} generally providing a good match to available data at $z \approx 0$. \textsc{Gizmo-Simba}'s unique black hole growth and feedback model yields agreement with the observed BH scaling relations at the intermediate-mass range and predicts a slightly different slope at high masses where few observations currently lie. \textsc{Gizmo-Simba} provides a new and novel platform to elucidate the co-evolution of galaxies, gas, and black holes within the densest cosmic environments.
description: 20 pages, 12 figures, matched to published version in MNRAS
Radial perturbations of scalar-Gauss-Bonnet black holes beyond spontaneous scalarization
Creators: name: Blázquez-Salcedo, Jose Luis
name: Doneva, Daniela D.
name: Kunz, Jutta
name: Yazadjiev, Stoytcho S.
Publisher: name: arXiv
Year: 2022
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Spontaneous scalarization of black holes in scalar-Gauss-Bonnet (sGB) gravity is a very interesting phenomenon allowing black holes to circumvent the no-hair theorem and acquire scalar hair while leaving the weak field regime of the theory practically unaltered. It was recently shown that if we allow for a different form of the coupling between the scalar field and the Gauss-Bonnet invariant, a new type of scalarization is possible beyond the standard one that can be excited only nonlinearly. In this case the spectrum of black hole solutions can be more complicated, naturally opening the question about their stability. The goal of the present paper is to study this question including the possible loss of hyperbolicity of the radial perturbation equation. We show that one of the nonlinearly scalarized phases of the Schwarzschild black hole can be stable and hyperbolic for large enough black hole masses. These results establish the studied hairy black holes as viable astrophysical candidates.
description: 21 pages, 7 figures
Observation of microcavity fine structure
Creators: name: Koks, C.
name: Baalbergen, F. B.
name: van Exter, M. P.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We observe fine structure in the resonance spectra of optical microcavities. We identify the polarization-resolved modes in the spectrum and find that resonance frequencies split in accordance with the theoretical prediction. The observed fine structure is dominantly caused by an optical spin-orbit coupling and non-paraxial propagation and reflection. Both effects are intrinsic, i.e. present in an ideal rotation-symmetric system, and scale inversely proportional to the mirror radius of curvature. For cavities with a small radius of curvature, the influence of fine structure on the resonance spectrum is important and unavoidable and should thus be taken into account.
description: 9 pages, 8 figures
Binary evolution, gravitational-wave mergers and explosive transients in multiple-populations gas-enriched globular-clusters
Creators: name: Rozner, Mor
name: Perets, Hagai B.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Most globular clusters (GCs) show evidence for multiple stellar populations, suggesting the occurrence of several distinct star-formation episodes. The large fraction of second population (2P) stars observed requires a very large 2P gaseous mass to have accumulated in the cluster core to form these stars. Hence the first population of stars (1P) in the cluster core has had to become embedded in 2P gas, just prior to the formation of later populations. Here we explore the evolution of binaries in ambient 2P gaseous media of multiple-population GCs. We mostly focus on black hole binaries and follow their evolution as they evolve from wide binaries towards short periods through interaction with ambient gas, followed by gravitational-wave (GW) dominated inspiral and merger. We show this novel GW-merger channel could provide a major contribution to the production of GW-sources. We consider various assumptions and initial conditions and calculate the resulting gas-mediated change in the population of binaries and the expected merger rates due to gas-catalyzed GW-inspirals. For plausible conditions and assumptions, we find an expected GW merger rate observable by aLIGO of the order of up to a few tens of $\rm{Gpc^{-3} yr^{-1}}$, and an overall range for our various models of $0.08-25.51 \ \rm{Gpc^{-3} yr^{-1}}$. Finally, our results suggest that the conditions and binary properties in the early stage of GCs could be critically affected by gas-interactions and may require a major revision in the current modeling of the evolution of GCs.
description: accepted to APJ
Cyprinion milesi
Creators: name: Çiçek, Erdoğan
name: Fricke, Ronald
name: Eagderi, Soheil
name: Sungur, Sevil
name: Coad, Brian W
name: Hamdard, Mohammad Hamid
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Cypriniformes
Cyprinidae
Cyprinion
Cyprinion milesi

description: Cyprinion milesi (Day, 1880)
Remarks. This species was reported from Trál, Afghanistan. However, Trál is a small town in Pakistan. The record was probably based on misidentifications of C. watsoni. The presence of the species needs clarification.
description: Published as part of Çiçek, Erdoğan, Fricke, Ronald, Eagderi, Soheil, Sungur, Sevil, Coad, Brian W & Hamdard, Mohammad Hamid, 2023, Fishes of Afghanistan; a revised and updated annotated checklist, pp. 1-69 in Zootaxa 5305 (1) on page 51, DOI: 10.11646/zootaxa.5305.1.1, http://zenodo.org/record/8048564
title: Учебное пособие «Этногенез осетинского народа» (краткий курс лекций для студентов педагогического вуза)
Creators: name: Тедеева Н.В.
Publisher: name: Северо-Осетинский государственный педагогический институт
Year: 2018

description: В пособии представлены основные этапы этногенеза осетин, начиная с каменного века и заканчивая появлением народа, называющегося осетинами. Предназначено для студентов педагогического вуза.
description: The textbook presents the main stages of the ethnogenesis of the Ossetians from the stone age to the emergence of a people called the Ossetians. Intended for students of pedagogical universities.
Gaia-DR2 asteroid observations and INPOP planetary ephemerides
Creators: name: Deram, P.
name: Fienga, A.
name: Verma, A. K.
name: Gastineau, M.
name: Laskar, J.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We used the INPOP19a planetary ephemerides to perform the orbital adjustment of 14099 asteroids based on Gaia-DR2 observations, and compare for 23 of them the resulting orbits to radar data. As Gaia-DR2 has been processed using the planetary ephemeris INPOP10e, the primary goal of this paper is to confirm the portability of the data when using an updated version of the solar system model. In particular, we point out the fact that the Gaia satellite positions -- provided with respect to the INPOP10e solar system barycenter -- must be corrected when using another planetary ephemeris . We also present a convenient least square formalism that only handles small matrices and allows the adjustment of global parameters, such as masses. In order to check the consistency of the Gaia observations with other types of observations, we perform an orbital adjustment in combining Gaia and radar range observations for 23 objects, together with a careful post-fit analysis including an estimation of the Gaia systematic errors. Finally, we show that to ensure the combined use of Gaia angular DR2 observations and radar ranging, a more developed than firstly proposed dynamical modeling is required together with the addition of the systematic Gaia bias in the fit procedure.These results give promising directions for the next Gaia delivery, Gaia-DR3.
description: in press for Celestial mechanics and Dynamical Astronomy
Ptychobarbus conirostris Steindachner 1866
Creators: name: Çiçek, Erdoğan
name: Fricke, Ronald
name: Eagderi, Soheil
name: Sungur, Sevil
name: Coad, Brian W
name: Hamdard, Mohammad Hamid
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Cypriniformes
Cyprinidae
Ptychobarbus
Ptychobarbus conirostris

description: Ptychobarbus conirostris Steindachner, 1866
Remarks. This species was reported from Afghanistan by Mirza and Hameed (1975). Despite this record, Mirza (1991) and Mirza and Afridi (2002) report that this species is not found in Afghanistan. Indeed, there is no other record of its occurrence and distribution in Afghanistan. The presence of the species needs clarification.
description: Published as part of Çiçek, Erdoğan, Fricke, Ronald, Eagderi, Soheil, Sungur, Sevil, Coad, Brian W & Hamdard, Mohammad Hamid, 2023, Fishes of Afghanistan; a revised and updated annotated checklist, pp. 1-69 in Zootaxa 5305 (1) on page 51, DOI: 10.11646/zootaxa.5305.1.1, http://zenodo.org/record/8048564
Conformal symmetry in damped Pais-Uhlenbeck oscillator
Creators: name: Masterov, Ivan
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Two Lagrangian formulations for describing of the damped harmonic oscillator have been introduced by Bateman. For these models we construct higher derivative generalization which enjoys the l-conformal Newton-Hooke symmetry. The dynamics of generalized systems corresponds to the damped Pais-Uhlenbeck oscillator for a particular choice of its frequencies.
description: 10 pages
The 700 ks Chandra Spiderweb Field I: evidence for widespread nuclear activity in the Protocluster
Creators: name: Tozzi, P.
name: Pentericci, L.
name: Gilli, R.
name: Pannella, M.
name: Fiore, F.
name: Miley, G.
name: Nonino, M.
name: Rottgering, H. J. A.
name: Strazzullo, V.
name: Anderson, C. S.
name: Borgani, S.
name: Calabro', A.
name: Carilli, C.
name: Dannerbauer, H.
name: Di Mascolo, L.
name: Feruglio, C.
name: Gobat, R.
name: Jin, S.
name: Liu, A.
name: Mroczkowski, T.
name: Norman, C.
name: Rasia, E.
name: Rosati, P.
name: Saro, A.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: (Abridged) We present an analysis of the 700 ks Chandra ACIS-S observation of the field around the Spiderweb Galaxy at z=2.156, focusing on the nuclear activity in the associated large-scale environment. We identify unresolved X-ray sources down to flux limits of 1.3X10^{-16} and 3.9X10^{-16} erg/s/cm^2 in the soft and hard band, respectively. We search for counterparts in the optical, NIR and submm bands to identify X-ray sources belonging to the protocluster. We detect 107 X-ray unresolved sources within 5 arcmin (corresponding to 2.5 Mpc) of J1140-2629, among which 13 have optical counterparts with spectroscopic redshift 2.11~1.84+-0.04. The best-fit intrinsic absorption for 5 protocluster X-ray members is N_H>10^{23} cm^{-2}, while other 6 have upper limits of the order of fewX10^{22} cm^{-2}. Two sources can only be fitted with very flat Γ<=1, and are therefore considered Compton-thick candidates. Their 0.5-10 keV rest frame luminosities are larger than 2X10^{43} erg/s, significantly greater than X-ray luminosities expected from star formation activity. The X-ray luminosity function of AGN in the volume associated to the Spiderweb protocluster in the range 10^{43}10.5, corresponding to an enhancement of 6.0^{+9.0}_{-3.0} with respect to the COSMOS field at comparable redshifts and stellar mass range. We conclude that the galaxy population in the Spiderweb Protocluster is characterized by enhanced X-ray nuclear activity triggered by environmental effects on Mpc scales.
description: Astronomy & Astrophysics. Minor changes in this version. Version accepted in A&A