cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Essays on the economics of migration
Creators: name: Jaupart, Pascal
Publisher: name: London School of Economics and Political Science (LSE)
Year: 2017
Subjects: subject: H Social Sciences
subject: HC Economic History and Conditions

description: This thesis contributes to our understanding of the economics of international migration. It consists of three chapters exploring some of the consequences and implications of human migration.
 Chapter 1, ‘No Country for Young Men’, studies the effects of international migration on the schooling and labour outcomes of left-behind children. While a large literature on the topic already exists and focuses on Latin America and China, little is known about how migration affects left-behind individuals in other parts of the world; and Central Asia in particular. The study concentrates on Tajikistan, the country with the highest level of remittance inflows relative to the size of the economy. Using panel data tracking the same children over time, I find important and gender-differenced schooling and labour supply responses. In a nutshell, young males are found to benefit from the migration of one of their household members, while young women are not.
 The second chapter, ‘Invasive Neighbours’, provides new evidence on the effect of immigration on electoral outcomes in developing countries. The Dominican Republic is used as case study as it provides a highly interesting context to analyse this issue. The vast majority of its immigrants come from neighbouring Haiti, and together the two countries share the island of Hispaniola. I find robust evidence that higher immigrant concentration is associated with greater support for the right-wing political coalition that has traditionally been more opposed to immigration. At the same time, the popularity of the centre-left coalition is found to decline in localities experiencing larger inflows of foreigners. Political competition, citizenship and identity considerations seem to be shaping voting behaviour and individual attitudes towards immigrants in the Dominican Republic.
 The third and last chapter, ‘The Elusive Quest for Social Diversity?’, analyses the effect of social housing supply on ethnic and social diversity in France’s largest metropolitan areas. High income countries generally rely on the provision of affordable housing through various schemes to both facilitate access to decent accommodation and encourage social diversity at the local level. The analysis takes advantage of a national policy reform to shed light on the issue. I find strong evidence of a positive relationship between social housing and ethnic diversity in local labour markets with large immigrant networks and strong labour demand. Social housing provision also affects the distribution of households’ income at the local level. This chapter contributes to the small but growing literature on the impact of social housing developments on the neighbourhoods in which they are built.
Sonnenfleckenzeichnung Nr. 15498.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 26.08.1943, erstellt von William Brunner, Assistent
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1943

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich, später ergänzt mit einer kleinen Tabelle für die Auszählung der Flecken nach ihrer Verteilung auf Abschnitte der sichtbaren Sonnenhälfte, nach Quadrant bzw. nach Halbkugel (N, S, W, E). Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Später wurden ergänzende Angaben aufgrund auswärtiger Beobachtungen direkt auf der Fleckenzeichnung hinzugefügt. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Construction of bulk solutions for towers of pole-skipping points
Creators: name: Kim, Keun-Young
name: Lee, Kyung-Sun
name: Nishida, Mitsuhiro
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The pole-skipping phenomenon has been proposed as a connection between chaotic properties of black hole geometries and special points where regular solutions of linearized Einstein equations at horizons have extra free parameters. In this work, we pursue the special points in the near-horizon analysis of integer spin-$\ell$ fields on the Rindler-AdS black hole. We construct linear combinations of field components to simplify coupled equations of massive fields and investigate towers of the special points along with imaginary Matsubara frequencies $iω=2π(n+1-\ell)T$ with a non-negative integer $n$ and the Hawking temperature $T$. We also propose that integrals of spin-$\ell$ bulk propagators over horizons of static black holes capture behaviors at the special points, which are generalizations of integrals of graviton propagators for shock wave geometries. Their interpretation is provided in terms of four-point amplitudes with the spin-$\ell$ exchange.
description: 27 pages, 3 figures. v2: introduction improved
Sonnenfleckenzeichnung Nr. 148.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 22.06.1968, erstellt von Sergio Cortesi, Sonnenobservatorium Specola Solare Ticinese in Locarno
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1968

description: Bleistiftzeichnung mit Tinte und Farbstift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf dem Vordruck der Eidgenössischen Sternwarte Zürich. Instrument: Zeiss-Coudé-Refraktor mit 15 cm Öffnung und 225 cm Brennweite.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden auf dem Vordruck eingetragen. Zusätzlich sind zuhanden der späteren statistischen Verarbeitung die Angaben für die Bestimmung der Fleckenrelativzahl notiert
Vanishing of the quantum spin Hall phase in a semi-Dirac Kane Mele model
Creators: name: Mondal, Sayan
name: Basu, Saurabh
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study the vanishing of the topological properties of a quantum spin Hall insulator induced by a deformation of the band structure that interpolates between the Dirac and the semi-Dirac limits of a tight-binding model on a honeycomb lattice. The above scenario is mimicked in a simple model, where there exists a differential hopping along one of the three neighbours (say, $t_1$) compared to the other two (say, $t$). For $t_1 = t$, the properties of the quantum spin Hall phase is described by the familiar Kane Mele model, while $t2t$. We demonstrate the evolution of the topological phase in presence of the Rashba and intrinsic spin-orbit couplings via computing the electronic band structure, edge modes in a nanoribbon and the $\mathbb{Z}_2$ invariant. The latter aids in arriving at the phase diagram which conclusively shows vanishing of the topological phase in the semi-Dirac limit. Further we demonstrate in gradual narrowing down of the plateau in the spin Hall conductivity, which along with a phase diagram provide robust support on the vanishing of the $\mathbb{Z}_2$ invariant and hence the quantum spin Hall phase.
Dolichopus latipennis Fallen
Creators: name: Negrobov, Oleg P.
name: Grichanov, Igor Ya.
name: Barkalov, Anatolii V.
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Dolichopodidae
Dolichopus
Dolichopus latipennis

description: Dolichopus latipennis Fallén
Dolichopus latipennis Fallén, 1823: 8.
Hygroceleuthus latipennis (Fallén): Loew, 1857: 10.
Dolichopus (Hygroceleuthus) latipennis (Fallén): Becker, 1917: 180.
Material. Russia: 73, 2♀ Republic of Altai, Kosh-Agach district, Plateau Ukok, 2400 m, 49.26ºN, 87.65ºE, 10.VII.2008, Coll. A. Barkalov / sweeping on sedge along lake bank [SZM]; 13, [Yakutia:] Yakutsk env., Chugur-Murak, 21.VI.1957, Gorodkov / meadow along former riverbed bank [ZIN]; 13, [Irkutsk Region:] Goloustnoe, Baikal Lake, meadow, 28.VI.1941, Chernovskii [ZIN]; 13, Yakutia, Mikhailovka vill., 60 km NE Amga, 22.VI.1986, Bagachanova [IBPC]; 13, Starodubsk, Sakhalin, 24.VII.1973, V.Logvinovskii [VSU].
Distribution. Type locality: [Sweden:] “Paroeciae Farhult Scaniae”. Palearctic:? Austria, Belgium, Czech, Denmark, Estonia, Finland, France, Germany, Ireland, Latvia, Netherlands, Norway, Poland, Sweden, UK, N Russia (Karelia, Murmansk, Nenets), E Russia (Buryatia, Irkutsk, Kamchatka, Republic of Altai, Sakhalin, Sayan Mnt., Yakutia), Mongolia, China (Qinghai); Nearctic: Canada (Quebec, Northwest Terr.).
description: Published as part of Negrobov, Oleg P., Grichanov, Igor Ya. & Barkalov, Anatolii V., 2009, The Dolichopus latipennis species group (= Hygroceleuthus Loew) in the Palearctic Region (Diptera: Dolichopodidae), pp. 37-45 in Zootaxa 2087 on page 43, DOI: 10.5281/zenodo.187407
Sonnenfleckenzeichnung Nr. 15276.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 31.12.1942, erstellt als eine von zwei Tagesaufnahmen um 10 h 35 MEZ von William Brunner, Assistent
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1942

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. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Neutron displacement noise-free interferometer for gravitational-wave detection
Creators: name: Nishizawa, Atsushi
name: Iwaguchi, Shoki
name: Chen, Yanbei
name: Morimoto, Taigen
name: Ishikawa, Tomohiro
name: Wu, Bin
name: Watanabe, Izumi
name: Kawasaki, Yuki
name: Shimizu, Ryuma
name: Shimizu, Hirohiko
name: Kitaguchi, Masaaki
name: Michimura, Yuta
name: Kawamura, Seiji
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: An interferometer design that cancels all displacement noises of its test masses and maintains a gravitational-wave (GW) signal by combining multiple detector signals is called a displacement noise-free interferometer (DFI). The idea has been considered previously for a laser interferometer. However, a limitation of a laser DFI is that its sensitive frequency band is too high for astrophysical GW sources, $\sim 10^5\,{\rm Hz}$ even for a kilometer-sized interferometer. To circumvent this limitation, in this paper, we propose a neutron DFI, in which neutrons are used instead of light. Since neutrons have velocities much lower than the speed of light, the sensitive frequency band of a neutron DFI can be lowered down to $\sim 10^{-1}\,{\rm Hz}$. Therefore, a neutron DFI can be utilized for detecting GWs that are inaccessible by an ordinary laser interferometer on the ground.
description: 7 pages, 5 figures. Published version in Physical Review D
A bifurcation integrates information from many noisy ion channels
Creators: name: Graf, Isabella R.
name: Machta, Benjamin B.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Biological Physics (physics.bio-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: In various biological systems information from many noisy molecular receptors must be integrated into a collective response. A striking example is the thermal imaging organ of pit vipers. Single nerve fibers in the organ reliably respond to mK temperature increases, a thousand times more sensitive than their molecular sensors, thermo-TRP ion channels. Here, we propose a mechanism for the integration of this molecular information. In our model, amplification arises due to proximity to a dynamical bifurcation, separating a regime with frequent and regular action potentials (APs), from a regime where APs are irregular and infrequent. Near the transition, AP frequency can have an extremely sharp dependence on temperature, naturally accounting for the thousand-fold amplification. Furthermore, close to the bifurcation, most of the information about temperature available in the TRP channels' kinetics can be read out from the timing of APs even in the presence of readout noise. While proximity to such bifurcation points typically requires fine-tuning of parameters, we propose that having feedback act from the order parameter (AP frequency) onto the control parameter robustly maintains the system in the vicinity of the bifurcation. This robustness suggests that similar feedback mechanisms might be found in other sensory systems which also need to detect tiny signals in a varying environment.
Additional file 1 of Challenges in the cross-sectoral collaboration on vulnerable pregnant women: a qualitative study among Danish general practitioners
Creators: name: Brygger Venø, L.
name: Pedersen, L. B.
name: Søndergaard, J.
name: Ertmann, R. K.
name: Jarbøl, D. E.
Publisher: name: figshare
Year: 2022
Subjects: subject: Cell Biology
subject: Neuroscience
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Developmental Biology
subject: Cancer
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Additional file 1: Appendix 1. Interview guide.
A simple way to incorporate loss when modelling multimode entangled state generation
Creators: name: Vendromin, Colin
name: Dignam, Marc M.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We show that the light generated via spontaneous four-wave mixing or parametric down conversion in multiple, coupled, lossy cavities is a multimode squeezed thermal state. Requiring this state to be the solution of the Lindblad master equation results in a set of coupled first-order differential equations for the time-dependent squeezing parameters and thermal photon numbers of the state. The benefit of this semi-analytic approach is that the number of coupled equations scales linearly with the number of modes but is independent of the number of photons generated. With this analytic form of the state, correlation variances are easily expressed as analytic functions of the time-dependent mode parameters. Thus, our solution makes it computationally tractable and relatively straight forward to calculate the generation and evolution of multimode entangled states in multiple coupled, lossy cavities, even when there are a large number of modes and/or photons.
description: 18 pages, 5 figures
Observation of quantum phase-synchronization in a nuclear spin-system
Creators: name: Krithika, V. R.
name: Solanki, Parvinder
name: Vinjanampathy, Sai
name: Mahesh, T. S.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We report an experimental study of phase-synchronization in a pair of interacting nuclear spins subjected to an external drive in nuclear magnetic resonance architecture. A weak transition-selective radio-frequency field applied on one of the spins is observed to cause phase-localization, which is experimentally established by measuring the Husimi distribution function under various drive conditions. To this end, we have developed a general interferometric technique to directly extract values of the Husimi function via the transverse magnetization of the undriven nuclear spin. We further verify the robustness of synchronization to detuning in the system by studying the Arnold tongue behaviour.
Sonnenfleckenzeichnung unnummeriert, einen Zürcher Lückentag ergänzend.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 29.11.1942, erstellt von Enrique Gullon an der Sternwarte Madrid
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1942

description: Zeichnung mit Tinte, erstellt auf einem eigenen Vordruck in Madrid. Instrument: Grubb Refraktor Teleskop (Öffnung: 20 cm, f = 3 m, projiziertes Sonnenbild D = 6,5 cm).
Instrumentennachweis gemäss Aparicio (u.a.): Sunspot, in: Solar Physics, Vol. 289, S. 4335-49, DOI: 10.1007/s11207-014-0567-x
Real-time methods for spectral functions
Creators: name: Roth, Johannes V.
name: Schweitzer, Dominik
name: Sieke, Leon J.
name: von Smekal, Lorenz
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In this paper we develop and compare different real-time methods to calculate spectral functions. These are classical-statistical simulations, the Gaussian state approximation (GSA), and the functional renormalization group (FRG) formulated on the Keldysh closed-time path. Our test-bed system is the quartic anharmonic oscillator, a single self-interacting bosonic degree of freedom, coupled to an external heat bath providing dissipation analogous to the Caldeira-Leggett model. As our benchmark we use the spectral function from exact diagonalization with constant Ohmic damping. To extend the GSA for the open system, we solve the corresponding Heisenberg-Langevin equations in the Gaussian approximation. For the real-time FRG, we introduce a novel general prescription to construct causal regulators based on introducing scale-dependent fictitious heat baths. Our results explicitly demonstrate how the discrete transition lines of the quantum system gradually build up the broad continuous structures in the classical spectral function as temperature increases. At sufficiently high temperatures, classical, GSA and exact-diagonalization results all coincide. The real-time FRG is able to reproduce the effective thermal mass, but overestimates broadening and only qualitatively describes higher excitations, at the present order of our combined vertex and loop expansion. As temperature is lowered, the GSA follows the ensemble average of the exact solution better than the classical spectral function. In the low-temperature strong-coupling regime, the qualitative features of the exact result are best captured by our real-time FRG calculation, with quantitative improvements to be expected at higher truncation orders.
description: 35 pages, 8 figures, revised version accepted for publication in PRD
Additional file 3 of Challenges in the cross-sectoral collaboration on vulnerable pregnant women: a qualitative study among Danish general practitioners
Creators: name: Brygger Venø, L.
name: Pedersen, L. B.
name: Søndergaard, J.
name: Ertmann, R. K.
name: Jarbøl, D. E.
Publisher: name: figshare
Year: 2022
Subjects: subject: Cell Biology
subject: Neuroscience
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Developmental Biology
subject: Cancer
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Additional file 3: Appendix 3. Theoretical Domains Framework (TDF), domains and constructs coding manual.
Additional file 2 of Challenges in the cross-sectoral collaboration on vulnerable pregnant women: a qualitative study among Danish general practitioners
Creators: name: Brygger Venø, L.
name: Pedersen, L. B.
name: Søndergaard, J.
name: Ertmann, R. K.
name: Jarbøl, D. E.
Publisher: name: figshare
Year: 2022
Subjects: subject: Cell Biology
subject: Neuroscience
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Developmental Biology
subject: Cancer
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Additional file 2: Appendix 2. COREQ items.
Dolichopus rotundipennis Loew
Creators: name: Negrobov, Oleg P.
name: Grichanov, Igor Ya.
name: Barkalov, Anatolii V.
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Dolichopodidae
Dolichopus
Dolichopus rotundipennis

description: Dolichopus rotundipennis Loew
Dolichopus rotundipennis Loew, 1848: 329
Hygroceleuthus rotundipennis (Loew): Loew, 1857: 10.
Dolichopus (Hygroceleuthus) rotundipennis (Loew): Becker, 1917: 180.
Material. Russia: 73, Transbaikalia Region, “Pad’ Kapshil”, 6.VI.1943, V.B. Dubinin [ZMU]; 143, Khargun, 6 km O Kyrei, Sayan Mnt., sedge marsh 11.VII.1965, Gorodkov [ZIN]. Kazakhstan: 13, Astana Province, Kokshetau Mtn., Akmolinsk Region, 22.VII.1957, Ler [ZIN]; 23, Kokshetau Mtn. near Tersakkan River, W Akmolinsk, 14.VII.1957, Nartshuk [ZIN]. Tajikistan: 23, 1♀, Verenkul’ Lake near Iskander-Kul’ Lake, Gissarskii Ridge 14.VII. & 6.VIII.1947, Kirichenko [ZIN]; 13, Khodzhakel-Ata River, N slope of Alai Mnt., 28.VII.1928, Rozmir-ch [ZIN].
Distribution. Type locality: [Russia:] “Sibirien”. Russia (W Siberia, Sayan Mtns., Buryatia, Transbaikalia, S Yakutia), Kazakhstan, Tajikistan, Mongolia, China (Qinghai).
description: Published as part of Negrobov, Oleg P., Grichanov, Igor Ya. & Barkalov, Anatolii V., 2009, The Dolichopus latipennis species group (= Hygroceleuthus Loew) in the Palearctic Region (Diptera: Dolichopodidae), pp. 37-45 in Zootaxa 2087 on pages 43-44, DOI: 10.5281/zenodo.187407
Sonnenfleckenzeichnung Nr. 15244.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 09.11.1942, erstellt von William Otto Brunner
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1942

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich, später ergänzt mit einer kleinen Tabelle für die Auszählung der Flecken nach ihrer Verteilung auf Abschnitte der sichtbaren Sonnenhälfte, nach Quadrant bzw. nach Halbkugel (N, S, W, E). Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Sonnenfleckenzeichnung unnummeriert, einen Zürcher Lückentag ergänzend.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 27.09.1942, erstellt von Axel Teodor Hellberg in Malmö
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1942

description: Bleistiftzeichnung mit Tinte und Farbstift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Malmö auf dem Vordruck der Eidgenössischen Sternwarte Zürich, später ergänzt mit einer kleinen Tabelle für die Auszählung der Flecken nach ihrer Verteilung auf Abschnitte der sichtbaren Sonnenhälfte, nach Quadrant bzw. nach Halbkugel (N, S, W, E). Instrument: unbekannt
Sonnenfleckenzeichnung unnummeriert, einen Zürcher Lückentag ergänzend.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 13.12.1942, erstellt von Gaston Coutrez, Observatoire Royal de Belgique in Uccle
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1942

description: Bleistiftzeichnung mit Tinte und Farbstift, erstellt als Zeichnung nach eigener Vorlage in Uccle.
Instrument: Merz-Grubb Refraktor Teleskop (Öffnung 160 mm, f = 2450 mm, projiziertes Sonnenbild D = 25 cm)
Spectral and spatial power evolution design with machine learning-enabled Raman amplification
Creators: name: Soltani, Mehran
name: Da Ros, Francesco
name: Carena, Andrea
name: Zibar, Darko
Publisher: name: arXiv
Year: 2021
Subjects: subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: We present a machine learning (ML) framework for designing desired signal power profiles over the spectral and spatial domains in the fiber span. The proposed framework adjusts the Raman pump power values to obtain the desired two-dimensional (2D) profiles using a convolutional neural network (CNN) followed by the differential evolution (DE) technique. The CNN learns the mapping between the 2D profiles and their corresponding pump power values using a data-set generated by exciting the amplification setup. Nonetheless, its performance is not accurate for designing 2D profiles of practical interest, such as a 2D flat or a 2D symmetric (with respect to the middle point in distance). To adjust the pump power values more accurately, the DE fine-tunes the power values initialized by the CNN to design the proposed 2D profile with a lower cost value. In the fine-tuning process, the DE employs the direct amplification model which consists of 8 bidirectional propagating pumps, including 2 second-order and 6 first order, in an 80 km fiber span. We evaluate the framework to design broadband 2D flat and symmetric power profiles, as two goals for wavelength division multiplexing (WDM) system performing over the whole C-band. Results indicate the framework's ability to achieve maximum power excursion of 2.81 dB for a 2D flat, and maximum asymmetry of 14% for a 2D symmetric profile.
Sonnenfleckenzeichnung Nr. 15239.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 01.11.1942, erstellt von William Brunner, Assistent
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1942

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich, später ergänzt mit einer kleinen Tabelle für die Auszählung der Flecken nach ihrer Verteilung auf Abschnitte der sichtbaren Sonnenhälfte, nach Quadrant bzw. nach Halbkugel (N, S, W, E). Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Unter Umständen sind Angaben zu Protuberanzen vermerkt
title: Individual differences in conceptual and procedural knowledge: the case of algebra
Creators: name: Ayesu, Felix
Publisher: name: Memorial University of Newfoundland
Year: 2021

description: As children learn algebra, it is not certain whether they are learning both the procedural
and conceptual aspects in a balanced way. Instead, students may be learning one of these
types of knowledge more than the other. Previous research on children’s understanding of
fractions have used cluster analysis to demonstrate that there are some students who rely
more on conceptual knowledge, some who rely more on procedural knowledge, and some
who rely equally on both. Using cluster analysis, the current study found that there are
individual differences in the understanding of algebra in a sample of 104 grade eight
students. Four clusters were found representing students who do relatively poorly on
conceptual and procedural knowledge, those who do well on both types of knowledge,
those who are relatively better conceptual problem solvers, and those who are relatively
better procedural problem solvers. Furthermore, both conceptual and procedural
knowledge are significant contributors to students’ overall performance in algebra, which
suggests that both conceptual and procedural knowledge are important in algebraic
learning.
A Meshless Method to Compute Pressure Fields from Image Velocimetry
Creators: name: Sperotto, Pietro
name: Pieraccini, Sandra
name: Mendez, Miguel A.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We propose a meshless method to compute pressure fields from image velocimetry data, regardless of whether this is available on a regular grid as in cross-correlation based velocimetry or on scattered points as in tracking velocimetry. The proposed approach is based on Radial Basis Functions (RBFs) regression and relies on the solution of two constrained least square problems. The first one is the regression of the measurements to create an analytic representation of the velocity field. This regression can be constrained to impose boundary conditions (e.g. no-slip velocity on a wall or inlet conditions) or differential constraints (e.g. the solenoidal condition for an incompressible flow). The second one is the meshless integration of the pressure Poisson equation, achieved by seeking a solution in the form of a RBF expansion and using constraints to impose boundary conditions. We first illustrate the derivation of the two least square problems and the numerical techniques implemented for their solution. Then, we showcase the method with three numerical test cases of growing complexity. These are a 2D Gaussian Vortex, a 2D flow past a cylinder from CFD and a 3D Stokes flow past a sphere. For each case, we consider randomly sampled vector fields simulating particle tracking measurements and analyze the sensitivity to noise and seeding density.
description: Submitted to Measurement Science and Technology
Aggregation in non-uniform systems with advection and localized source
Creators: name: Zagidullin, Rishat R.
name: Smirnov, Alexander P.
name: Matveev, Sergey A.
name: Brilliantov, Nikolai V.
name: Krapivsky, P. L.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Numerical Analysis (math.NA)
subject: Analysis of PDEs (math.AP)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences
subject: FOS: Mathematics
subject: G.1.2; G.1.3; G.1.7; G.1.8; I.6.1; I.6.6
subject: 65L12, 35B30, 35B40, 74S10

description: We explore analytically and numerically agglomeration driven by advection and localized source. The system is inhomogeneous in one dimension, viz. along the direction of advection. We analyze a simplified model with mass-independent advection velocity, diffusion coefficient, and reaction rates. We also examine a model with mass-dependent coefficients describing aggregation with sedimentation. For the simplified model, we obtain an exact solution for the stationary spatially dependent agglomerate densities. In the model describing aggregation with sedimentation, we report a new conservation law and develop a scaling theory for the densities. For numerical efficiency we exploit the low-rank approximation technique; this dramatically increases the computational speed and allows simulations of large systems. The numerical results are in excellent agreement with the predictions of our theory.
description: 10 pages, 6 figures
title: Symbols of suffering and silence memorialisation in Uganda and beyond
Creators: name: Blackmore, Kara
Publisher: name: London School of Economics and Political Science (LSE)
Year: 2020

description: This thesis consists of a collection of seven essays that address issues of representation, memorialisation and symbolic reparations. Employing a primarily ethnographic approach, it reveals different forms and functions of memory in the aftermath of mass violence. Together, these essays argue for a more nuanced way of understanding how governments, survivors, heritage practitioners, humanitarians, artists and development actors utilise conflict memories, sometimes revealing narrative gaps entrenched in silence. These insights are useful for a better conceptualisation of symbolic repair within the fields of transitional justice, critical heritage and memory studies. Each essay, addresses different geographical and material aspects of conflict memory to create a mosaic of perspectives with a primary focus on Uganda. The Ugandan case studies explore three regions of the country: the Luwero Triangle, Northern Uganda and the Rwenzori Mountain region. Each case shows the need to approach memory work with different types of evidence, including museum displays, monuments, material culture remains from humanitarian assistance, oral literature, sites of trauma, artworks and popular culture. Such evidence both informs the analysis and extends the kinds of data suitable for critical heritage research. Taken together, the essays in this thesis argue that in nations recovering from multiple violent conflicts, whose recovery is absent of holistic statedriven processes for memorialisation, it is critical to understand the everyday negotiations of memory as well as the artistic approaches to repair. Furthermore, the collection highlights the significant role that globalised systems of representation, assistance and peacebuilding have on memory projects within and outside the Ugandan context. Overall, this thesis constitutes a critique of the expectations placed on memory work to repair societies, given the contextual and political barriers to implementing conventional memory projects. By its end, it advocates for a less didactic and more dialogical approach to memorialisation, making space for meaningful work that does not mimic Euro-American models of remembrance.
Dolichopus zhelochovzevi Negrobov
Creators: name: Negrobov, Oleg P.
name: Grichanov, Igor Ya.
name: Barkalov, Anatolii V.
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Dolichopodidae
Dolichopus
Dolichopus zhelochovzevi

description: Dolichopus zhelochovzevi Negrobov
Dolichopus (Hygroceleuthus) zhelochovzevi Negrobov, 1976: 509.
Material. 13, [Russia: Yakutia:] Oi-Bes’ near Pavlovskoe vil., Yakutsk env., 29.VI.1925, Bianki [ZIN].
Remarks. The material examined [ZIN] was mentioned by Stackelberg (1933) among the material of D. latipennis. Nevertheless, we have found, in the ZIN collection, one male of D. latipennis from the environs of Yakutsk (see above).
Distribution. Type locality: “USSR, near Yakutsk” [ZMU]. Dolichopus zhelochovzevi was described by a single male from environs of Yakutsk. Now the species is known from rather large area in central Yakutia (Grichanov & Bagachanova 2006).
description: Published as part of Negrobov, Oleg P., Grichanov, Igor Ya. & Barkalov, Anatolii V., 2009, The Dolichopus latipennis species group (= Hygroceleuthus Loew) in the Palearctic Region (Diptera: Dolichopodidae), pp. 37-45 in Zootaxa 2087 on page 44, DOI: 10.5281/zenodo.187407
Sonnenfleckenzeichnung Nr. 15273.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 28.12.1942, erstellt von William Brunner, Assistent, mit Ergänzungen für eine Aufnahme am folgenden Tag
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1942

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich, später ergänzt mit einer kleinen Tabelle für die Auszählung der Flecken nach ihrer Verteilung auf Abschnitte der sichtbaren Sonnenhälfte, nach Quadrant bzw. nach Halbkugel (N, S, W, E). Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Später wurden ergänzende Angaben aufgrund auswärtiger Beobachtungen direkt auf der Fleckenzeichnung hinzugefügt. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Impacts of the $^{12}\rm{C}\left(α,γ\right)^{16}\!\rm{O}$ reaction rate on $^{56}{\rm Ni}$ nucleosynthesis in pair-instability supernovae
Creators: name: Kawashimo, Hiroki
name: Sawada, Ryo
name: Suwa, Yudai
name: Moriya, Takashi J.
name: Tanikawa, Ataru
name: Tominaga, Nozomu
Publisher: name: arXiv
Year: 2023
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Nuclear reactions are key to our understanding of stellar evolution, particularly the $^{12}\rm{C}\left(α,γ\right)^{16}\!\rm{O}$ rate, which is known to significantly influence the lower and upper ends of the black hole (BH) mass distribution due to pair-instability supernovae (PISNe). However, these reaction rates have not been sufficiently determined. We use the $\texttt{MESA}$ stellar evolution code to explore the impact of uncertainty in the $^{12}\rm{C}\left(α,γ\right)^{16}\!\rm{O}$ rate on PISN explosions, focusing on nucleosynthesis and explosion energy by considering the high resolution of the initial mass. Our findings show that the mass of synthesized radioactive nickel ($^{56}{\rm Ni}$) and the explosion energy increase with $^{12}\rm{C}\left(α,γ\right)^{16}\!\rm{O}$ rate for the same initial mass, except in the high-mass edge region. With a high (about twice the $\texttt{STARLIB}$ standard value) rate, the maximum amount of nickel produced falls below 70 $M_\odot$, while with a low rate (about half of the standard value) it increases up to 83.9 $M_\odot$. These results highlight that carbon "preheating" plays a crucial role in PISNe by determining core concentration when a star initiates expansion. Our results also suggest that the onset of the expansion, which means the end of compression, competes with collapse caused by helium photodisintegration, and the maximum mass that can lead to an explosion depends on the $^{12}\rm{C}\left(α,γ\right)^{16}\!\rm{O}$ reaction rate.
description: 17 pages, 12 figures
Sonnenfleckenzeichnung unnummeriert, einen Zürcher Lückentag ergänzend.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 27.12.1942, erstellt von Paul Bourgeois, Observatoire Royal de Belgique in Uccle
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1942

description: Bleistiftzeichnung mit Tinte und Farbstift, erstellt als Zeichnung nach eigener Vorlage in Uccle.
Instrument: Merz-Grubb Refraktor Teleskop (Öffnung 160 mm, f = 2450 mm, projiziertes Sonnenbild D = 25 cm)
On quantum algorithms for the Schrödinger equation in the semi-classical regime
Creators: name: Jin, Shi
name: Li, Xiantao
name: Liu, Nana
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Numerical Analysis (math.NA)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Solving the time-dependent Schrödinger equation is an important application area for quantum algorithms. We consider Schrödinger's equation in the semi-classical regime. Here the solutions exhibit strong multiple-scale behavior due to a small parameter $\hbar$, in the sense that the dynamics of the quantum states and the induced observables can occur on different spatial and temporal scales. Such a Schrödinger equation finds many applications, including in Born-Oppenheimer molecular dynamics and Ehrenfest dynamics. This paper considers quantum analogues of pseudo-spectral (PS) methods on classical computers. Estimates on the gate counts in terms of $\hbar$ and the precision $\varepsilon$ are obtained. It is found that the number of required qubits, $m$, scales only logarithmically with respect to $\hbar$. When the solution has bounded derivatives up to order $\ell$, the symmetric Trotting method has gate complexity $\mathcal{O}\Big({ (\varepsilon \hbar)^{-\frac12} \mathrm{polylog}(\varepsilon^{-\frac{3}{2\ell}} \hbar^{-1-\frac{1}{2\ell}})}\Big),$ provided that the diagonal unitary operators in the pseudo-spectral methods can be implemented with $\mathrm{poly}(m)$ operations. When physical observables are the desired outcomes, however, the step size in the time integration can be chosen independently of $\hbar$. The gate complexity in this case is reduced to $\mathcal{O}\Big({\varepsilon^{-\frac12} \mathrm{polylog}( \varepsilon^{-\frac3{2\ell}} \hbar^{-1} )}\Big),$ with $\ell$ again indicating the smoothness of the solution.
Comment on New apparatus design for high-precision measurement of G with atom interferometry
Creators: name: Dubetsky, B.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: It is shown that even in the case of a negligibly small change in the gradient of the gravitational field of the mass source in the axial direction, the dependence of this gradient in the radial direction leads to a systematic error in Newton gravitational constant value. The magnitude of this error is calculated for two configurations of the field. For both configurations it was found that this error is larger than the inaccuracy predicted in the article by M. Jain et al [Eur. Phys. J. D 75, 197 (2021)]. In addition, we found the geometry of the source mass, for which this systematic error disappears.
description: 3 pages, 1 figure
Sonnenfleckenzeichnung Nr. 15192.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 05.09.1942, erstellt von William Otto Brunner
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1942

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich, später ergänzt mit einer kleinen Tabelle für die Auszählung der Flecken nach ihrer Verteilung auf Abschnitte der sichtbaren Sonnenhälfte, nach Quadrant bzw. nach Halbkugel (N, S, W, E). Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Coelinius Nees 1819
Creators: name: Souza-Gessner, Carolina Da Silva
name: Almeida, Luis Felipe Ventura De
name: Penteado-Dias, Angélica Maria
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Braconidae
Coelinius

description: Genus Coelinius Nees, 1819
Diagnosis. Fore wing vein r-m absent; mandible with at least four teeth (a fifth tooth also present in some species, between main teeth two and three); metapleuron with setae semi-erect and directed towards the posterior portion of body; eyes nearly bare, setae, when visible, sparse and usually shorter than the width of a facet of compound eye; female with metasoma compressed laterally.
description: Published as part of Souza-Gessner, Carolina Da Silva, Almeida, Luis Felipe Ventura De & Penteado-Dias, Angélica Maria, 2019, Four new species of Coelinius (Hymenoptera: Braconidae: Alysiinae) from the neotropical region, pp. 278-288 in Zootaxa 4586 (2) on page 279, DOI: 10.11646/zootaxa.4586.2.4, http://zenodo.org/record/2644482
Tadpoles and vacuum bubbles in light-front quantization
Creators: name: Chabysheva, Sophia S.
name: Hiller, John R.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We develop a method by which vacuum transitions may be included in light-front calculations. This allows tadpole contributions which are important for symmetry-breaking effects and yet are missing from standard light-front calculations. These transitions also dictate a nontrivial vacuum and contributions from vacuum bubbles to physical states. In nonperturbative calculations these separate classes of contributions (tadpoles and bubbles) cannot be filtered; instead, we regulate the bubbles and subtract the vacuum energy from the eigenenergy of physical states. The key is replacement of momentum-conserving delta functions with model functions of finite width; the width becomes the regulator and is removed after subtractions. The approach is illustrated in free scalar theory, quenched scalar Yukawa theory, and in a limited Fock-space truncation of $ϕ^4$ theory.
description: 19 pages, 2 figures, RevTeX 4-2
Sonnenfleckenzeichnung unnummeriert, einen Zürcher Lückentag ergänzend.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 23.10.1942, erstellt in Zürich aufgrund der eingesandten Zeichnung von Karl Rapp in Locarno-Monti
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1942

description: Bleistiftzeichnung mit Tinte und Farbstift, erstellt als Projektionsbildzeichnung für die Beobachtungen in Locarno-Monti auf dem Vordruck der Eidgenössischen Sternwarte Zürich. Instrument in Locarno: Spiegelfernrohr, Öffnung von 11 cm, Okular von 88facher Vergrösserung, Beobachtungen mit einem Graukeil.
Blatt mit weiterer Bearbeitung der Werte in Zürich
Sonnenfleckenzeichnung Nr. 15492.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 20.08.1943, erstellt von William Brunner, Assistent
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1943

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich, später ergänzt mit einer kleinen Tabelle für die Auszählung der Flecken nach ihrer Verteilung auf Abschnitte der sichtbaren Sonnenhälfte, nach Quadrant bzw. nach Halbkugel (N, S, W, E). Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Unter Umständen sind Angaben zu Protuberanzen vermerkt
Optimal allocation of sample size for randomization-based inference from $2^K$ factorial designs
Creators: name: Ravichandran, Arun
name: Pashley, Nicole E.
name: Libgober, Brian
name: Dasgupta, Tirthankar
Publisher: name: arXiv
Year: 2023
Subjects: subject: Methodology (stat.ME)
subject: Applications (stat.AP)
subject: FOS: Computer and information sciences

description: Optimizing the allocation of units into treatment groups can help researchers improve the precision of causal estimators and decrease costs when running factorial experiments. However, existing optimal allocation results typically assume a super-population model and that the outcome data comes from a known family of distributions. Instead, we focus on randomization-based causal inference for the finite-population setting, which does not require model specifications for the data or sampling assumptions. We propose exact theoretical solutions for optimal allocation in $2^K$ factorial experiments under complete randomization with A-, D- and E-optimality criteria. We then extend this work to factorial designs with block randomization. We also derive results for optimal allocations when using cost-based constraints. To connect our theory to practice, we provide convenient integer-constrained programming solutions using a greedy optimization approach to find integer optimal allocation solutions for both complete and block randomization. The proposed methods are demonstrated using two real-life factorial experiments conducted by social scientists.
description: 27 pages
Coelinius Nees 1819
Creators: name: Souza-Gessner, Carolina Da Silva
name: Almeida, Luis Felipe Ventura De
name: Penteado-Dias, Angélica Maria
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Braconidae
Coelinius

description: Key to Brazilian species of Coelinius Nees
1. Notauli complete (Fig. 12). Mandibles with four teeth (Fig. 10). Ovipositor sheath very short, not projecting beyond apex of metasoma, less than 0.2× length of T1 (Figs 1, 7)........................................................... 2
- Notauli developed only anteriorly (Fig. 17). Mandibles with five teeth (Figs 16, 25). Ovipositor sheath longer, more than 0.3 5× length T1 (Figs 14, 22)................................................................................ 3
2. Frons rugose (Fig. 8). Stigma length less than 1.5× vein R1 length. Head and mesosoma mostly black (Fig. 7)................................................................................................. C. itamonte sp. nov.
- Frons smooth and shiny. Stigma length more than 1.5× vein R1 length. Head and mesosoma mostly brownish (Fig. 4).......................................................................................... C. canastra sp. nov.
3. Mesosoma length more than 2.0× its height (Fig. 26). Metapleuron densely setose (Fig. 26). Mandible length 2.0× its apical width.................................................................................... C. lux sp. nov.
- Mesosoma length 1.57–1.80× its height (Fig. 20). Metapleuron not as densely setose (Fig. 20). Mandible length less than 2.0× its apical width.......................................................................... .. C. kali sp. nov.
description: Published as part of Souza-Gessner, Carolina Da Silva, Almeida, Luis Felipe Ventura De & Penteado-Dias, Angélica Maria, 2019, Four new species of Coelinius (Hymenoptera: Braconidae: Alysiinae) from the neotropical region, pp. 278-288 in Zootaxa 4586 (2) on page 279, DOI: 10.11646/zootaxa.4586.2.4, http://zenodo.org/record/2644482