cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Exact Results for a Kondo Problem in One Dimensional t-J Model
Creators: name: Wang, Yupeng
name: Dai, Jianhui
name: Hu, Zhanning
name: Pu, Fu-Cho
Publisher: name: arXiv
Year: 1997
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We propose an integrable Kondo problem in a one-dimensional (1D) $t-J$ model. With the open boundary condition of the wave functions at the impurity sites, the model can be exactly solved via Bethe ansatz for a class of $J_{R,L}$ (Kondo coupling constants) and $V_{L,R}$ (impurity potentials) parametrized by a single parameter $c$. The integrable value of $J_{L,R}$ runs from negative infinity to positive infinity, which allows us to study both the ferromagnetic Kondo problem and antiferromagnetic Kondo problem in a strongly correlated electron system. Generally, there is a residual entropy for the ground state, which indicates a typical non-Fermi liquid behavior.
description: 5 pages Revtex, no figures
The effects of bycatch relationships on quota lease prices
Creators: name: Kerr, Suzi
name: Aitken, Andrew
name: Kerr, Suzi
name: Aitken, Andrew
Publisher: name: Unknown
Year: 2004
Subjects: Industrial Organization
Resource /Energy Economics and Policy

description: Because some species are caught jointly, fishers who want to catch one must own quota for the other. This has both ecological and economic implications. Previous literature on the economics of bycatch includes (Boyce 1996), (Larson, Brett et al. 1998), (Squires, Cambell et al. 1998), (Neher 1988) and (Squires and Kirkley 1995). Most existing literature either theoretically models bycatch relationships or discusses the problems and approaches to management when there are significant bycatch relationships. We focus instead on the market implications. A joint production relationship means that the lease prices of the quota should be related. We test this idea using a specific instance where the bycatch relationship is clear and simple. We use observer data to identify the relationship between hoki and hake catches, both spatially and temporally. This offers a simple 'natural experiment' where the level of bycatch varies across space and time and we can study the effect of this variation on the relationships between the quota lease prices. We first develop a more formal model of the joint determination of lease prices. We use this to develop testable hypotheses about lease price relationships. We then develop the dataset on bycatch intensity and link these data to our other data on quota lease prices and their determinants. Finally we test our hypotheses.
Reconstruction National Accounts: Economic growth in Java 1815-1939
Publisher: name: Utrecht University
Year: 2018
Subjects: subject: Social Sciences - Social and economic geography (5.7)
subject: Humanities - History and archaeology (6.1)
subject: Java
subject: national accounts
subject: economic development
subject: level of income
subject: economic production

description: The dataset in this datapackage was constructed for the 'Indonesian Economic History' project, which has been a concerted effort of several researchers at different universities and research institutions. The aim of the project was to reconstruct the national accounts of Java (1815-1939) and of Indonesia (1900-2000) and to analyze the long-term evolution of the economy of Indonesia in this period. The reconstructed national accounts form the prime source of information about the economy's development over time. The national accounts provide an analytical framework for a more thorough understanding of changes and discontinuities in the economic performance of Indonesia.

This dataset presents the first set of estimates with regard to the historical national accounts for Java between 1815 and 1939. The richness of the available sources is rather unique; it will be difficult to find a non-OECD country for which comparable sources exist for the 19th century. This creates the unique opportunity to study the long term development of the economy of a ‘developing’ country in the one-and-a-half century before independence in some detail.
The system of national accounts focuses attention on those data that are necessary for reconstructing the level of income and production in an economy, gives all relevant information its weight (i.e. salt production has a different weight than rice output), and integrates the information into a single concept (GDP) that has a clear economic meaning.
Pseudopygmephorellus mazandaranicus Katlav & Hajiqanbar 2015
Creators: name: Hajiqanbar, Hamidreza
name: Arjomandi, Elham
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Trombidiformes
Pygmephoridae
Pseudopygmephorellus
Pseudopygmephorellus mazandaranicus

description: Pseudopygmephorellus mazandaranicus Katlav & Hajiqanbar, 2015
 Material examined – 7♀, Mazandaran province, Mazichal elevations, 14 June 2016, from under elytra of Onthophagus sp. (Coleoptera: Scarabaeidae), collected from cow's dung.
 World distribution – Iran, Mazandaran province, phoretic on scarabaeid beetles Onthophagus sp., Aphodius depressus (Kugelann) and A. varians Dufschmid (Coleoptera: Scarabaeidae) (Katlav et al. 2015); and current study.
description: Published as part of Hajiqanbar, Hamidreza & Arjomandi, Elham, 2019, Heterostigmatic mites (Acari: Trombidiformes: Prostigmata) associated with Coleoptera and Hymenoptera in Mazandaran province, northern Iran, pp. 343-352 in Persian Journal of Acarology 8 (4) on page 346, DOI: 10.22073/pja.v8i4.56685, http://zenodo.org/record/7173876
Back Reaction of Gravitational Radiation on the Schwarzschild Black Hole
Creators: name: Abramo, L. R.
name: Finelli, F.
Publisher: name: arXiv
Year: 1999
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We address some of the issues that appear in the study of back reaction in Schwarzschild backgrounds. Our main object is the effective energy-momentum tensor (EEMT) of gravitational perturbations. It is commonly held that only asymptotically flat or radiation gauges can be employed for these purposes. We show that the traditional Regge-Wheeler gauge for the perturbations of the Schwarszchild metric can also be used for computing physical quantities both at the horizon and at infinity. In particular, we find that the physically relevant components of the EEMT of gravitational perturbations have the same asymptotic behaviour as the stress-energy tensor of a scalar field in the Schwarzschild background, even though some of the metric components themselves diverge.
description: 13 pages, LaTex; one reference updated; submitted to Class. Q. Grav
title: Statistisches Jahrbuch Deutscher Städte 23. Jahrgang 1928
title: Amtliche Veröffentlichung des Deutschen Städtetages
titleType: AlternativeTitle
Creators: name: Deutscher Städtetag
name: Verband Deutscher Städtestatistiker
Publisher: name: Friedrich Brandstetter
Year: 1928
Subjects: subject: 351

description: Statistisches Jahrbuch Deutscher Gemeinden, vol. 23
Are Kaluza-Klein modes enhanced by parametric resonance?
Creators: name: Tsujikawa, S.
Publisher: name: arXiv
Year: 2000
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study parametric amplification of Kaluza-Klein (KK) modes in a higher $D$-dimensional generalized Kaluza-Klein theory, which was originally considered by Mukohyama in the narrow resonance case. It was suggested that KK modes can be enhanced by an oscillation of a scale of compactification by the $d$-dimensional sphere $S^d~(d=D-4)$ and by the direct product $S^{d_1}\times S^{d_2}~(d_1+d_2=D-4)$. We extend this past work to the more general case where initial values of the scale of compactification and the quantum number of the angular momentum $l$ of KK modes are not small. We perform analytic approaches based on the Mathieu equation as well as numerical calculations, and find that the expansion of the universe rapidly makes the KK field deviate from instability bands. As a result, KK modes are not enhanced sufficiently in an expanding universe in these two classes of models.
description: 15 pages, 5 figures
High Energy Processes in Wolf-Rayet Stars
Creators: name: Skinner, Stephen L.
name: Schmutz, Werner
name: Guedel, Manuel
name: Zhekov, Svetozar
Publisher: name: arXiv
Year: 2018
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Wolf-Rayet (WR) stars are massive ($\geq$10 M$_{\odot}$) evolved stars undergoing advanced nuclear burning in their cores, rapidly approaching the end of their lives as supernovae. Their powerful winds enrich the interstellar medium with heavy elements, providing raw material for future generations of stars. We briefly summarize high-energy processes in WR stars, focusing mainly on their X-ray emission. We present new results from Chandra observations of the eclipsing WR+O binary CQ Cep covering a full orbit which stringently test X-ray emission models.
description: To appear in Proc. 8th International Workshop on Astronomy and Relativistic Astrophysics (IWARA2018), Ollantaytambo, Peru (9-15 Sep. 2018); A.N., 2019, in press
Propygmephorus crossi Katlav & Hajiqanbar 2016
Creators: name: Hajiqanbar, Hamidreza
name: Arjomandi, Elham
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Acari
Pyemotidae
Propygmephorus
Propygmephorus crossi

description: Propygmephorus crossi Katlav & Hajiqanbar, 2016
 Material examined – 2♀, Mazandaran province, Sisangan forest, 19 May 2016, associated with Lucanus ibericus Motschulsky (Coleoptera: Lucanidae).
 World distribution – Iran, Mazandaran province, phoretic on carabid beetles Pseudoophonus rufipes (De Geer) and Pterostichus caspius (Menetries) (Coleoptera: Carabidae) (Katlav et al. 2016); and current study.
 Remarks – Lucanid beetle Lucanus ibericus is a new phoretic host for mites of the genus Propygmephorus.
description: Published as part of Hajiqanbar, Hamidreza & Arjomandi, Elham, 2019, Heterostigmatic mites (Acari: Trombidiformes: Prostigmata) associated with Coleoptera and Hymenoptera in Mazandaran province, northern Iran, pp. 343-352 in Persian Journal of Acarology 8 (4) on page 346, DOI: 10.22073/pja.v8i4.56685, http://zenodo.org/record/7173876
Rung-Rung Current Correlations on a 2-Leg t-J Ladder
Creators: name: Scalapino, D. J.
name: White, S. R.
name: Affleck, I.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We report the results of numerical calculations of rung-rung current correlations on a 2-leg t-J ladder with J/t=0.35 for dopings x=0.125 and x=0.19. We find that the amplitude of these correlations decays exponentially. We argue that this can be understood within a bosonization framework in terms of the pinned phase variables associated with a C1SO phase with d_{x^2-y^2}-like power law pairing correlations.
description: 10 pages, 2 figures
Cacostegania australis Warren 1901
Creators: name: Mbata, Keith J.
name: Prins, Jurate De
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Geometridae
Cacostegania
Cacostegania australis

description: Cacostegania australis Warren, 1901b
COMMON NAME(S): Geometer moth.
SYNONYM(S): Stegania glaucichroa Hampson, 1910c.
IUCN STATUS: Not Evaluated (NE).
DISTRIBUTION: Angola, Democratic Republic of Congo, Zambia.
LOCALITY IN ZAMBIA: Mumbwa in the Central Province.
LARVAL HOSTPLANT(S): Unknown.
SOURCES: De Prins & De Prins 2022; Hampson 1910c.
description: Published as part of Mbata, Keith J. & Prins, Jurate De, 2023, Annotated checklist of moths of Zambia (Insecta: Lepidoptera), pp. 1-503 in Zootaxa 5354 (1) on page 208, DOI: 10.11646/zootaxa.5354.1.1, http://zenodo.org/record/10130434
Gender differences in academic and research integrity
Publisher: name: Utrecht University
Year: 2021
Subjects: subject: Social Sciences - Psychology (5.1)
subject: Social Sciences - Educational sciences (5.3)
subject: Humanities - Philosophy, ethics and religion (6.3)
subject: research integrity
subject: academic integrity
subject: gender

description: This data was collected as part of a study on gender differences in academic and research integrity. The dataset contains data on gender and on attitudes, suspecting and reporting others, and behavior regarding a range of topics in academic and research integrity. In this folder, four data files can be found (.csv, .dat, .sav, .xlsx). Only the formats of these files differ, the contents are the same.
A new view of the electronic structure of the spin-Peierls compound alpha'-NaV2O5
Creators: name: Horsch, P.
name: Mack, F.
Publisher: name: arXiv
Year: 1998
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The present understanding of the electronic and magnetic properties of $α'$-NaV$_2$O$_5$ is based on the hypothesis of strong charge disproportionation into V$^{4+}$ and V$^{5+}$, which is assumed to lead to a spin-1/2 Heisenberg chain system. A recent structure analysis shows, however, that the V-ions are in a mixed valence state and indistiguishable. We propose an explanation for the insulating state, which is not based on charge modulation, and show that strong correlations together with the Heitler-London character of the relevant intermediate states naturally lead to antiferromagnetic Heisenberg chains. The interchain coupling is weak and frustrated, and its effect on the uniform susceptibility is found to be small.
description: EPJ-style, 7 pages with 5 eps figures
Imparipes sevastianovi Khaustov 2008
Creators: name: Hajiqanbar, Hamidreza
name: Arjomandi, Elham
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Acari
Scutacaridae
Imparipes
Imparipes sevastianovi

description: Imparipes sevastianovi Khaustov, 2008
 Material examined – 2♀, Mazandaran province, Behshahr, Abbas-Abad forest, 16 August 2016, associated with Lasius flavoniger Seifert (Hymenoptera: Formicidae).
 World distribution – Ukraine, associated with Lasius fuliginosus Latreille (Khaustov 2008); Russia (Western Siberia) associated with L. fuliginosus (Khaustov 2016); Iran (current study).
 Remarks – This is the first record of I. sevastianovi from Iran. Moreover, Lasius flavoniger is a new host record for I. sevastianovi.
description: Published as part of Hajiqanbar, Hamidreza & Arjomandi, Elham, 2019, Heterostigmatic mites (Acari: Trombidiformes: Prostigmata) associated with Coleoptera and Hymenoptera in Mazandaran province, northern Iran, pp. 343-352 in Persian Journal of Acarology 8 (4) on page 347, DOI: 10.22073/pja.v8i4.56685, http://zenodo.org/record/7173876
Criticality and Averaging in Cosmology
Creators: name: Tanimoto, Masayuki
Publisher: name: arXiv
Year: 1999
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We propose comparing cosmological solutions in terms of their total spatial volumes $V(τ)$ as functions of proper time $τ$, assuming synchronous gauge, and with this intention evaluate the variations of $V(τ)$ about the Friedmann-Lema\^ıtre-Robertson-Walker (FLRW) solutions for dust. This can be done successfully in a simple manner without solving perturbation equations. In particular, we find that first variations vanish with respect to all directions which do not possess homogeneity and isotropy preserving components; in other words, every FLRW solution is a {\it critical point} for $V(τ)$ in the properly restricted subspace of the space of solutions. This property may support a validity of the interpretation of the FLRW solutions as constituting an averaged model. We also briefly investigate the second variations of $V(τ)$.
description: 12 pages, PTPTeX, some minor corrections, final version for publication in Prog. Theor. Phys
Trochometridium kermanicum Mortazavi & Hajiqanbar 2011
Creators: name: Hajiqanbar, Hamidreza
name: Arjomandi, Elham
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Trombidiformes
Trochometridiidae
Trochometridium
Trochometridium kermanicum

description: Trochometridium kermanicum Mortazavi & Hajiqanbar, 2011
 Material examined – 3♀, Mazandaran province, Miankaleh peninsula, 15 August 2016, from under elytra of Coccobius schreberi (L.) (Col.: Scarabaeidae), collected from cows dung.
 World distribution – Iran, Kerman province, associated with Paulusiella sp. (Coleoptera: Elateridae) (Mortazavi et al. 2011); Razavi Khorasan province, associated with Komarowia tartara (Saussure) (Hymenoptera: Tiphiidae) (Loghmani et al. 2014a); Golestan province, associated with Labidura riparia (Pallas) (Dermaptera: Labiduridae) (Rahiminejad et al. 2014); Mazandaran province (current study).
description: Published as part of Hajiqanbar, Hamidreza & Arjomandi, Elham, 2019, Heterostigmatic mites (Acari: Trombidiformes: Prostigmata) associated with Coleoptera and Hymenoptera in Mazandaran province, northern Iran, pp. 343-352 in Persian Journal of Acarology 8 (4) on page 344, DOI: 10.22073/pja.v8i4.56685, http://zenodo.org/record/7173876
Elattoma cerambycidum Rahiminejad & Hajiqanbar 2011
Creators: name: Hajiqanbar, Hamidreza
name: Arjomandi, Elham
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Trombidiformes
Pygmephoridae
Elattoma
Elattoma cerambycidum

description: Elattoma cerambycidum Rahiminejad & Hajiqanbar, 2011
 Material examined – 7♀, Mazandaran province, Neka forest, 4 July 2016, from under elytra of Morimus verecundus (Falderman) (Coleoptera: Cerambycidae).
 World distribution – Iran, Golestan province, phoretic on Morimus verecundus (Coleoptera: Cerambycidae) (Rahiminejad et al. 2011); Mazandaran province (current study).
description: Published as part of Hajiqanbar, Hamidreza & Arjomandi, Elham, 2019, Heterostigmatic mites (Acari: Trombidiformes: Prostigmata) associated with Coleoptera and Hymenoptera in Mazandaran province, northern Iran, pp. 343-352 in Persian Journal of Acarology 8 (4) on page 345, DOI: 10.22073/pja.v8i4.56685, http://zenodo.org/record/7173876
Integrable asymmetric $λ$-deformations
Creators: name: Driezen, Sibylle
name: Sevrin, Alexander
name: Thompson, Daniel C.
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We construct integrable deformations of the $λ$-type for asymmetrically gauged WZW models. This is achieved by a modification of the Sfetsos gauging procedure to account for a possible automorphism that is allowed in $G/G$ models. We verify classical integrability, derive the one-loop beta function for the deformation parameter and give the construction of integrable D-brane configurations in these models. As an application, we detail the case of the $λ$-deformation of the cigar geometry corresponding to the axial gauged $SL(2,R)/U(1)$ theory at large $k$. Here we also exhibit a range of both A-type and B-type integrability preserving D-brane configurations.
description: 25 pages, 1 figure
Additional file 3 of Turbot reovirus (SMReV) genome encoding a FAST protein with a non-AUG start site
Creators: name: Ke, Fei
name: He, Li-Bo
name: Pei, Chao
name: Zhang, Qi-Ya
Publisher: name: figshare
Year: 2020
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Evolutionary Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Marine Biology
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: 60506 Virology

description: Additional file 3:GenBank accession numbers of the RNA dependent RNA polymerase in the family Reoviridae. (DOC 94 KB)
Trans-Planckian redshifts and the substance of the space-time river
Creators: name: Jacobson, Ted
Publisher: name: arXiv
Year: 2000
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Condensed Matter (cond-mat)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Trans-Planckian redshifts in cosmology and outside black holes may provide windows on a hypothetical short distance cutoff on the fundamental degrees of freedom. In cosmology, such a cutoff seems to require a growing Hilbert space, but for black holes, Unruh's sonic analogy has given rise to both field theoretic and lattice models demonstrating how such a cutoff in a fixed Hilbert space might be compatible with a low energy effective quantum field theory of the Hawking effect. In the lattice case, the outgoing modes arise via a Bloch oscillation from ingoing modes. A short distance cutoff on degrees of freedom is incompatible with local Lorentz invariance, but may nevertheless be compatible with general covariance if the preferred frame is defined non-locally by the cosmological background. Pursuing these ideas in a different direction, condensed matter analogs may eventually allow for laboratory observations of the Hawking effect. This paper introduces and gives a fairly complete but brief review of the work that has been done in these areas, and tries to point the way to some future directions.
description: 18 pages, to appear in Progress of Theoretical Physics Supplement, Proceedings of Yukawa International Seminar 1999; typos corrected
Imitation Learning for Object Manipulation Based on Position/Force Information Using Bilateral Control
Creators: name: Adachi, Tsuyoshi
name: Fujimoto, Kazuki
name: Sakaino, Sho
name: Tsuji, Toshiaki
Publisher: name: arXiv
Year: 2018
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: This study proposes an imitation learning method based on force and position information. Force information is required for precise object manipulation but is difficult to obtain because the acting and reaction forces cannnot be separated. To separate the forces, we proposed to introduce bilateral control, in which the acting and reaction forces are divided using two robots. In the proposed method, two models of neural networks learn a task; to draw a line along a ruler. We verify the possibility that force information is essential to imitate the human skill of object manipulation.
description: 6 psges, 20 figures
Additional file 21 of Evolution of loss of heterozygosity patterns in hybrid genomes of Candida yeast pathogens
Creators: name: Mixão, Verónica
name: Nunez-Rodriguez, Juan Carlos
name: del Olmo, Valentina
name: Ksiezopolska, Ewa
name: Saus, Ester
name: Boekhout, Teun
name: Gacser, Attila
name: Gabaldón, Toni
Publisher: name: figshare
Year: 2023
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 21: Fig. S1. Pairwise comparisons in C. orthopsilosis and C. metapsilosis strains. The different hybrid clades are highlighted with the same colors as in Fig. 3.
MPEC 2024-G05 : 2023 ME2
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2024
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Decolonised Sexualities: The Lived Experiences of Black Township Women Who Love Women
Publisher: name: Utrecht University
Year: 2018
Subjects: subject: Humanities - Other humanities (6.5)
subject: South Africa
subject: Townships
subject: Black Lesbians
subject: Female Masculinity
subject: Sexual Health
subject: HIV
subject: Gender

description: This database was compiled as part of the NWO funded doctoral research project entitled “Decolonised Sexualities: The Lived Experiences of Black Township Women Who Love Women” under the supervision of Prof. Dr. R.L. Buikema (Utrecht University), Prof. Dr. G.D. Wekker (Utrecht University) and Dr. Z. Matebeni (University of Cape Town). This research project centres the lived experiences of black township women in same-sex relationships in Cape Town and Johannesburg – South Africa. The main question—‘How do black township women construct their same-sex sexuality?’—called for a mixed methods approach, combining qualitative and quantitative data which was collected over a 10 month period between January and October 2014. The mixed method approach generated 209 questionnaires (physically stored at the Archive of the Faculty of Humanities at Janskerkof 13, Utrecht), 34 in-depth interviews, and 18 focus group discussions from Cape Town and Johannesburg as well as 2 Focus Group discussions from the West Coast in the Western Cape.

The mixed methods approach I employed was grounded in Utrecht University as well as feminist research ethics. In order to produce both the broader picture and the nuanced subtleties of the lives and lived experiences of the research participants, the approach included a questionnaire that was devised prior to my departure to South Africa.  The purpose of the survey was not to develop empirical generalisations, but rather to provide an in-depth understanding of knowledge, sexual acts and risks of HIV and other sexually transmitted infections for black township women in same-sex relationships—the first of its kind to be carried out in South African Townships. For qualitative data, a semi-structured approach was employed for the focus group discussions and in-depth interviews, for which an interview schedule was devised. These various methods were employed to bring out subjective meaning, reflection on experiences, and daily lived experiences, as well as to gain exploratory insights into the sexuality, kinship, friendships, and intimate relationships of the women concerned. For data collection, I collaborated with NGOs - The Triangle Project in Cape Town and Forum for Empowerment of Women in Johannesburg.

For further description on the methods and data collection, please check in the archive folder - Decolonised Sexualities for a word document titled "data description". For an in-depth description of the findings from this data set, please check a copy my dissertation at: https://dspace.library.uu.nl/handle/1874/359562
Topography and instability of monolayers near domain boundaries
Creators: name: Diamant, H.
name: Witten, T. A.
name: Ege, C.
name: Gopal, A.
name: Lee, K. Y. C.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: We theoretically study the topography of a biphasic surfactant monolayer in the vicinity of domain boundaries. The differing elastic properties of the two phases generally lead to a nonflat topography of ``mesas'', where domains of one phase are elevated with respect to the other phase. The mesas are steep but low, having heights of up to 10 nm. As the monolayer is laterally compressed, the mesas develop overhangs and eventually become unstable at a surface tension of about K(dc)^2 (dc being the difference in spontaneous curvature and K a bending modulus). In addition, the boundary is found to undergo a topography-induced rippling instability upon compression, if its line tension is smaller than about K(dc). The effect of diffuse boundaries on these features and the topographic behavior near a critical point are also examined. We discuss the relevance of our findings to several experimental observations related to surfactant monolayers: (i) small topographic features recently found near domain boundaries; (ii) folding behavior observed in mixed phospholipid monolayers and model lung surfactants; (iii) roughening of domain boundaries seen under lateral compression; (iv) the absence of biphasic structures in tensionless surfactant films.
description: 17 pages, 9 figures, using RevTeX and epsf, submitted to Phys Rev E
Changes in the division of labor within highly educated German couples when the first child is born
Creators: name: Dechant, Anna
name: Blossfeld, Hans-Peter
Publisher: name: JFR - Journal of Family Research
Year: 2015

description: When becoming parents for the first time, German couples often adapt their division of paid and unpaid work, creating a more gender-specific allocation. Using longitudinal data from the qualitative event-centered project “Household division of domestic labor as a process”, we compare theoretically- postulated mechanisms of change in the division of work within couples with explanations given by the couples interviewed themselves. Our qualitative analysis demonstrates that economic and gender norm theories are quite successful at predicting changes towards a more traditional specialization when couples become parents for the first time, while they are less helpful in explaining the persistence of equal arrangements in the domestic division of work, or the change towards more equal arrangements. The interviews also show that the explanations which differentiate – within unpaid work – between childcare and housework are a better predictor of the realities of the arrangements. Furthermore, the causal order of the decisions suggested by the theories differs from the couples’ actual decision making processes: when facing the transition to parenthood, they decide first upon the division of childcare, and then of labor market activity and housework. Zusammenfassung Der Übergang zur Erstelternschaft und Veränderungen der innerfamilialen Arbeitsteilung bei hochgebildeten Paaren in Deutschland Wenn Paare in Deutschland Eltern werden, verändern sie häufig ihre Aufteilung von bezahlter und unbezahlter Arbeit in Richtung eines geschlechtsspezifischen Arrangements. Auf Basis von qualitativen, ereigniszentrierten Längsschnittdaten des Projektes “Innerfamiliale Arbeitsteilung als Prozess” vergleicht der vorliegende Artikel theoretische Annahmen zu Veränderungen der Arbeitsteilung in Paarbeziehungen mit den Erklärungen, die hochgebildete Paare selbst geben. Unsere qualitative Analyse zeigt, dass sowohl ökonomische als auch Gender-Theorien relativ erfolgreich erklären, warum Paare sich für eine eher traditionelle Spezialisierung der Arbeiten entscheiden, wenn sie den Übergang zur Erstelternschaft erleben. Diese Theorien sind hingegen weniger erfolgreich darin, zu erklären, warum Paare egalitäre Arrangements beibehalten oder wählen. Anhand der qualitativen Interviews wird ersichtlich, dass Erklärungsmuster, die im Bereich der unbezahlten Arbeit zwischen Kinderbetreuung und Hausarbeit unterscheiden, besser die Realität der Paare erfassen. Darüber hinaus ist die von den Theorien vorgeschlagene kausale Reihenfolge der Entscheidungen eine andere als die der Paare: im Übergang zur Elternschaft entscheiden werdende Eltern zunächst über die Kinderbetreuung und dann über Erwerbstätigkeit und Hausarbeit.
description: JFR - Journal of Family Research, Vol 27 No 3 (2015)
Additional file 4: of Smokeless tobacco mortality risks: an analysis of two contemporary nationally representative longitudinal mortality studies
Creators: name: Fisher, Michael
name: Tan-Torres, Susan
name: Gaworski, Charles
name: Black, Ryan
name: Mohamadi Sarkar
Publisher: name: figshare
Year: 2019
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Developmental Biology

description: Estimated mortality risk from all-causes and specific diseases according to cigarette or SLT use. (PDF 39 kb)
Probing the susceptibility $χ'(q)$ in cuprates using Ni impurities
Creators: name: Morr, Dirk K.
name: Schmalian, Joerg
name: Stern, Raivo
name: Slichter, Charles P.
Publisher: name: arXiv
Year: 1998
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Recent NMR experiments on $YBa_2(Cu_{1-x}Ni_x)_3O_{6+δ}$ (Bobroff et al. Phys. Rev. Lett. 79, 2117 (1997)) have shown that Ni impurities provide an important probe for the momentum dependence of the static spin susceptibility $χ'(q)$. Combining the measurements of the $^{17}$O line width $Δν$ with those of the Gaussian relaxation time $T_{2G}$, we find that the magnetic correlation length $ξ$ must have a substantial temperature dependence. Using numerical simulations we present a detailed analysis of $Δν$ as a function of temperature and impurity concentration. For a Lorentzian shape of $χ'(q)$ $Δν$ strongly depends on $ξ$, in contrast to the Gaussian form. This result together with the experimental finding that $ξ$ is temperature dependent rules out the Gaussian form of $χ'(q)$.
description: 4 pages, RevTeX, 4 eps figures embedded in the text
The corona contracts in a black-hole transient
Creators: name: Kara, E.
name: Steiner, J. F.
name: Fabian, A. C.
name: Cackett, E. M.
name: Uttley, P.
name: Remillard, R. A.
name: Gendreau, K. C.
name: Arzoumanian, Z.
name: Altamirano, D.
name: Eikenberry, S.
name: Enoto, T.
name: Homan, J.
name: Neilsen, J.
name: Stevens, A. L.
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The geometry of the accretion flow around stellar-mass black holes can change on timescales of days to months. When a black hole emerges from quiescence (that is, it "turns on" after accreting material from its companion) it has a very hard (high-energy) X-ray spectrum produced by a hot corona positioned above its accretion disk, and then transitions to a soft (lower-energy) spectrum dominated by emission from the geometrically thin accretion disk, which extends to the innermost stable circular orbit. Much debate persists over how this transition occurs and whether it is driven largely by a reduction in the truncation radius of the disk or by a reduction in the spatial extent of the corona. Observations of X-ray reverberation lags in supermassive black-hole systems suggest that the corona is compact and that the disk extends nearly to the central black hole. Observations of stellar-mass black holes, however, reveal equivalent (mass-scaled) reverberation lags that are much larger, leading to the suggestion that the accretion disk in the hard X-ray state of stellar-mass black holes is truncated at a few hundreds of gravitational radii from the black hole. Here we report X-ray observations of the black-hole transient MAXI J1820+070. We find that the reverberation time lags between the continuum-emitting corona and the irradiated accretion disk are 6 to 20 times shorter than previously seen. The timescale of the reverberation lags shortens by an order of magnitude over a period of weeks, whereas the shape of the broadened iron K emission line remains remarkably constant. This suggests a reduction in the spatial extent of the corona, rather than a change in the inner edge of the accretion disk.
description: Published in Nature January 9, 2019
Thermodynamics of a weakly interacting Bose-Einstein gas
Creators: name: Haugset, T.
name: Haugerud, H.
name: Ravndal, F.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The one-loop effective potential for non-relativistic bosons with a delta function repulsive potential is calculated for a given chemical potential using functional methods. After renormalization and at zero temperature it reproduces the standard ground state energy and pressureas function of the particle density. At finite temperatures it is found necessary to include ring corrections to the one-loop result in order to satisfy the Goldstone theorem. It is natural to introduce an effective chemical potential directly related to the order parameter and which uniformly decreases with increasing temperatures. This is in contrast to the the ordinary chemical potential which peaks at the critical temperature. The resulting thermodynamics in the condensed phase at very low temperatures is found to be the same as in the Bogoliubov approximation where the degrees of freedom are given by the Goldstone bosons. At higher temperatures the ring corrections dominate and result in a critical temperature unaffected by the interaction.
description: 39 pages, 9 figures, picTex, submitted to Annals of Physics. Discussions on renormalization and off-diagonal self energies are made clearer in this version. A short derivation of the non-relativistic limit is added
The untilted diffuse matter Bianchi V Universe
Creators: name: Christodoulakis, T.
name: Kofinas, G.
name: Zarikas, Vasilios
Publisher: name: arXiv
Year: 1999
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: A diffuse matter filled Type V Universe is studied. The anisotropic behaviour, the distortion caused to the CMBR and the parameter region allowed by present cosmological bounds are examined. It is shown how the overall sky pattern of temperature anisotropies changes under a non-infinitesimal spatial coordinate transformation that preserves the Type V manifest homogeneity.
description: (RevTeX) 23 pages, 2 figures, to appear in Physics Letters A
Mesoscopic Fluctuations in Stochastic Spacetime
Creators: name: Shiokawa, K.
Publisher: name: arXiv
Year: 2000
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Mesoscopic effects associated with wave propagation in spacetime with metric stochasticity are studied. We show that the scalar and spinor waves in a stochastic spacetime behave similarly to the electrons in a disordered system. Viewing this as the quantum transport problem, mesoscopic fluctuations in such a spacetime are discussed. The conductance and its fluctuations are expressed in terms of a nonlinear sigma model in the closed time path formalism. We show that the conductance fluctuations are universal, independent of the volume of the stochastic region and the amount of stochasticity.
description: 26 pages, 3 figures, one comment added, to appear in Physical Review D
X-ray reflectivity with a twist: quantitative time-resolved X-ray reflectivity using monochromatic synchrotron radiation
Creators: name: Joress, Howie
name: Arlington, Shane Quinlan
name: Weihs, Timothy P.
name: Brock, Joel D.
name: Woll, Arthur
Publisher: name: arXiv
Year: 2018
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We have developed an improved method of time-resolved x-ray reflectivity (XRR) using monochromatic synchrotron radiation. Our method utilizes a polycapillary x-ray optic to create a range of incident angles and an area detector to collect the specular reflections. By rotating the sample normal out of the plane of the incident fan, we can separate the surface diffuse scatter from the reflectivity signal, greatly improving the quality of the XRR spectra compared to previous implementations. We demonstrate the time-resolved capabilities of this system, with temporal resolution as low as 10 ms, by measuring XRR during the annealing of Al/Ni nano-scale multilayers and use this information to extract the activation energy for interdiffusion in this system.
Tafel-Vbis: Summary of all death duties in the Netherlands in 1921
Publisher: name: Utrecht University
Year: 2019
Subjects: subject: Humanities - History and archaeology (6.1)
subject: economic history
subject: Netherlands
subject: demography

description: This database is a transcription of the original Tafel-Vbis source for the year 1921. Tafel V-bis is the name of a specific ledger in the Dutch inheritance tax administration which lists all of the deceased people in the Netherlands for whom a death duty (inheritance tax declaration named Memorie van Successie) was drawn up. This dataset was compiled from all remaining Tafel-Vbis ledgers across the Netherlands. It lists basic information about the people who were taxed, such as: name, place of birth, residence, marital status, and net wealth. It gives a reference to the corresponding death duty (memorie van successie). It also contains a number of people who were investigated whether tax should be payed, but were not taxed. More information about the dataset can be found in the readme.txt and accompanying data paper.
Restricted Maximin surfaces and HRT in generic black hole spacetimes
Creators: name: Marolf, Donald
name: Wall, Aron C.
name: Wang, Zhencheng
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The AdS/CFT understanding of CFT entanglement is based on HRT surfaces in the dual bulk spacetime. While such surfaces need not exist in sufficiently general spacetimes, the maximin construction demonstrates that they can be found in any smooth asymptotically locally AdS spacetime without horizons or with only Kasner-like singularities. In this work, we introduce restricted maximin surfaces anchored to a particular boundary Cauchy slice $C_\partial$. We show that the result agrees with the original unrestricted maximin prescription when the restricted maximin surface lies in a smooth region of spacetime. We then use this construction to extend the existence theorem for HRT surfaces to generic charged or spinning AdS black holes whose mass-inflation singularities are not Kasner-like. We also discuss related issues in time-independent charged wormholes.
description: 10 pages, 3 figures
Archidispus minor Karafiat 1959
Creators: name: Hajiqanbar, Hamidreza
name: Arjomandi, Elham
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Acari
Scutacaridae
Archidispus
Archidispus minor

description: Archidispus minor Karafiat, 1959
 Material examined – 2♀, Mazandaran province, Miankaleh, 6 August 2016, from under elytra of Harpalus sp. (Coleoptera: Carabidae), attracted to light trap.
 World distribution – Austria, Germany, Greece, Hungary, India, Poland, Ukraine and Iran (Razavi Khorasan province) associated with several beetles of the family Carabidae including Acupalpus spp., Agonum spp., Amara spp., Anisodactylus binotatus, Calathus spp., Harpalus spp., Poecilus spp., Pterosticus spp., Pseudoophonus calceatus Duft, Stenolophus spp. (Ebermann 1991; Khaustov 2008; Loghmani et al. 2014b); Mazandaran province (current study).
description: Published as part of Hajiqanbar, Hamidreza & Arjomandi, Elham, 2019, Heterostigmatic mites (Acari: Trombidiformes: Prostigmata) associated with Coleoptera and Hymenoptera in Mazandaran province, northern Iran, pp. 343-352 in Persian Journal of Acarology 8 (4) on page 346, DOI: 10.22073/pja.v8i4.56685, http://zenodo.org/record/7173876
Will Buying Tropical Forest Carbon Benefit The Poor? Evidence from Costa Rica
Creators: name: Kerr, Suzi
name: Lipper, Leslie
name: Pfaff, Alexander
name: Cavatassi, Romina
name: Davis, Benjamin
name: Hendy, Joanna
name: Sanchez, Arturo
name: Kerr, Suzi
name: Lipper, Leslie
name: Pfaff, Alexander
name: Cavatassi, Romina
name: Davis, Benjamin
name: Hendy, Joanna
name: Sanchez, Arturo
Publisher: name: Unknown
Year: 2004
Subjects: subject: Environmental Economics and Policy
subject: Food Security and Poverty
subject: Resource /Energy Economics and Policy
subject: land use
subject: deforestation
subject: poverty
subject: climate change
subject: development
subject: Costa Rica

description: We review claims linking both payments for carbon and poverty to deforestation. We examine these effects empirically for Costa Rica during the late 20th century using an econometric approach that addresses the irreversibilities in deforestation. We find significant effects of the relative returns to forest on deforestation rates. Thus, carbon payments would induce conservation and also carbon sequestration, and if land users were poor could conserve forest while addressing rural poverty. We note that the poor appear to be marginalized in the sense of living where land profitability is lower. Those areas also have more forest. We find that poorer areas may have a higher supply response to payments, but even without this effect poor areas might be included and benefit more due to higher (per capita) forest area. They might be included less due to transactions costs, though. Unless the Clean Development Mechanism of the Kyoto Protocol is modified in its implementation to allow credits from avoided deforestation, such benefits are likely to be limited.
title: Test rig for analysis of friction damping in torsional excited systems
Creators: name: Kulke, Vincent
name: Tergeist, Mathias
name: Peters, Volker
name: Heinisch, Dennis
name: Ostermeyer, Georg-Peter
name: Schiefer, Frank
name: Hohl, Andreas
Publisher: name: Universitätsbibliothek Braunschweig
Year: 2018
Subjects: subject: 622
subject: 620.

description: While drilling a wellbore, several types of vibrations exist that can lead to inefficient drilling. These are commonly subdivided into lateral, torsional, and axial vibrations. Especially in hard and dense formations, high-frequency torsional oscillations (HFTOs) are observed in the bottom-hole assembly (BHA). These HFTOs can lead to premature failure of components [1]. It has been shown that HFTOs are induced by a self-excitation mechanism caused by the bit-rock interaction [2]. Common self-excitation mechanisms are regenerative effects, mode coupling, or a velocity-weakening torque characteristic at the drill bit. One alternative to prevent the occurrence of torsional vibrations are bit design changes that influence the bit-rock interaction and the energy input into the system. This approach requires a very good understanding of the excitation mechanism. Another option is to increase the damping of the system, which affects the energy output during vibration. This is a well-known technique to reduce self-excited vibration amplitudes. This paper describes the investigation of a friction damper by experiment and simulation.
CoARA Action Plan 2024-2027. Conference of Rectors of Spanish Universities (CRUE)
Creators: name: Conferencia de Rectores de las Universidades Españolas
Publisher: name: Zenodo
Year: 2025
Subjects: CoARA
CRUE
Research Assessment
European Research Area
Conference of Rectors of Spanish Universities

description: In December 2022, CRUE joined the Coalition for Advancing Research Assessment (CoARA) and signed the Agreement on Reforming Research Assessment (ARRA), reaffirming its commitment to fostering new research assessment models. As an association of universities, CRUE supports initiatives to strengthen the Spanish University System (SUE).

On 12 December 2024, CRUE presented its 2024-2027 Action Plan, outlining key initiatives to advance a more diverse and inclusive research assessment culture, in line with CoARA’s recommendations and developed through consultation with its expert groups.