cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Oreogrammitis graminella Parris & Sundue 2020, comb. nov.
Creators: name: Parris, Barbara S.
name: Sundue, Michael A.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Polypodiaceae
Oreogrammitis
Oreogrammitis graminella

description: 11. Oreogrammitis graminella (C.Chr.) Parris & Sundue, comb. nov.
Based on Polypodium simplex Baker, J. Bot. 14: 12 (1876) non Burm.f. (1768) nec Sw. (1801) nec Lowe (1858). Type:— SAMOA. Without locality, Whitmee 123 p. p. (CGE!, E!, K, GH). Polypodium graminellum C.Chr., Index Filic.: 530 (1906), nomen novum pro P. simplex Baker (1876) non Burm.f. (1786) nec Sw. (1801) nec Lowe (1858).
Synonyms: Grammitis graminella (C.Chr.) Sledge, Brit. Fern Gaz. 9: 340 (1967); Radiogrammitis graminella (C.Chr.) Parris, Gard. Bull. Singapore 58: 242.
description: Published as part of Parris, Barbara S. & Sundue, Michael A., 2020, The fern genus Oreogrammitis (Grammitidoideae: Polypodiaceae) re-defined, pp. 45-54 in Phytotaxa 436 (1) on page 48, DOI: 10.11646/phytotaxa.436.1.4, http://zenodo.org/record/13874603
Dielectric Strength of Noble and Quenched Gases for High Pressure Time Projection Chambers
Creators: name: Norman, L.
name: Silva, K.
name: Jones, B. J. P.
name: McDonald, A. D.
name: Tiscareno, M. R.
name: Woodruff, K.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Dielectric breakdown strength is one of the critical performance metrics for gases and mixtures used in large, high pressure gas time projection chambers. In this paper we experimentally study dielectric breakdown strengths of several important time projection chamber working gases and gas-phase insulators over the pressure range 100 mbar to 10 bar, and gap sizes ranging from 0.1to 10 mm. Gases characterized include argon, xenon, CO2, CF4, and mixtures 90-10 argon-CH4,90-10 argon-CO2and 99-1 argon-CF4. We develop a theoretical model for high voltage breakdown based on microphysical simulations that use PyBoltz electron swarm Monte Carlo results as input to Townsend- and Meek-like discharge criteria. This model is shown to be highly predictive at high pressure, out-performing traditional Paschen-Townsend and Meek-Raether models significantly. At lower pressure-times-distance, the Townsend-like model is an excellent description for noble gases whereas the Meek-like model provides a highly accurate prediction for insulating gases.
description: 19 pages, 6 figures, 2 tables
Der Osten ist eine Kugel. Fußball in Kultur und Geschichte des östlichen Europa. Hrsg. von Stephan Krause, Christian Lübke und Dirk Suckow
Creators: name: Schutte, Christoph
Publisher: name: Zeitschrift für Ostmitteleuropa-Forschung
Year: 2020

description: Zeitschrift für Ostmitteleuropa-Forschung, Bd. 69 Nr. 2 (2020)
Trigonidiini Saussure 1874
Creators: name: Hegg, Danilo
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Orthoptera
Trigonidiidae

description: Tribe Trigonidiini Saussure, 1874
Remarks
Trigonidiinae in the Australian region include a number of genera and subgenera that have been giving taxonomists headaches for decades. To start with, the genus Trigonidium was designated with type species Trigonidium cicindeloides from Spain, Europe. The subgenus Trigonidium (Trigonidium) was later proposed by Gorochov (1987). At present, it is doubtful whether all Australian species assigned to Trigonidium actually belong in Trigonidium sensu stricto at all (Tan et al. 2019). Several closely related genera and subgenera were designated based on the presence or absence of auditory tympana on the anterior tibiae and of a stridulatory apparatus in males (Otte & Alexander 1983). Examples are the subgenera Trigonidium (Metioche), Trigonidium (Balamara) Otte & Alexander, 1983, Trigonidium (Parametioche) Otte & Alexander, 1983, and the genus Trigonidomorpha. Because acoustic communication has been lost several times independently in crickets, some of these genera are likely to be polyphyletic (Otte & Alexander 1983: 197; Chintauan-Marquier et al. 2016; Rentz & Su 2019: 316; Tan et al. 2019). To complicate things, different morphs with or without auditory tympana can appear in the same species (Ingrisch 1977; Rentz & Su 2019).
It is outside of the scope of this work to resolve the wider systematics of Trigonidiinae in the Australian region. Based on the strong similarities between Trigonidium (Trigonidium) maoricum and Trigonidium (Trigonidium) cicindeloides and on the analysis of molecular data (Fig. 31), I am confident that T. maoricum belongs to the genus Trigonidium s. str. The genus Trigonidomorpha is synonymised here with Trigonidium (Trigonidium).
description: Published as part of Hegg, Danilo, 2024, Small crickets of New Zealand (Orthoptera: Grylloidea: Trigonidiidae and Mogoplistidae), with the description of two new genera and species, pp. 1-87 in European Journal of Taxonomy 955 (1) on page 57, DOI: 10.5852/ejt.2024.955.2655, http://zenodo.org/record/13742408
Electronic superlattices in corrugated graphene
Creators: name: Isacsson, A.
name: Jonsson, L. M.
name: Kinaret, J. M.
name: Jonson, M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We theoretically investigate electron transport through corrugated graphene ribbons and show how the ribbon curvature leads to an electronic superlattice with a period set by the corrugation wave length. Transport through the ribbon depends sensitively on the superlattice band structure which, in turn, strongly depends on the geometry of the deformed sheet. In particular, we find that for ribbon widths where the transverse level separation is comparable to the the band edge energy, a strong current switching occurs as function of an applied backgate voltage. Thus, artificially corrugated graphene sheets or ribbons can be used for the study of Dirac fermions in periodic potentials. Furthermore, this provides an additional design paradigm for graphene-based electronics.
description: 4 pages, 6 figures
Valence bond solid states with symplectic symmetry
Creators: name: Schuricht, Dirk
name: Rachel, Stephan
Publisher: name: arXiv
Year: 2008
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We introduce a one-dimensional valence bond solid (VBS) state with symplectic symmetry SP(n) and construct the corresponding parent Hamiltonian. We argue that there is a gap in the spectrum. We calculate exactly the static correlation functions, which fall off exponentially. Hence the model introduced here shares all properties of the Haldane scenario for integer-spin quantum antiferromagnets. We further show that the VBS state possesses string order and discuss its generalization to higher dimensions.
description: 10 pages, 5 figures
Oreogrammitis halconensis Parris & Sundue 2020, comb. nov.
Creators: name: Parris, Barbara S.
name: Sundue, Michael A.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Polypodiaceae
Oreogrammitis
Oreogrammitis halconensis

description: 12. Oreogrammitis halconensis (Copel.) Parris & Sundue, comb. nov.
Based on Polypodium halconense Copel., Philipp. J. Sci., C. Bot. 2: 138 (1907). Type:— PHILIPPINES. Mindoro: Mount Halcon, 2300 m, Merrill 5976 (lectotype MICH!, chosen by Parris (2015)).
Synonyms: Ctenopteris halconensis (Copel.) Copel., Fern Fl. Philipp. 3: 533 (1960); Themelium halconense (Copel.) Parris, Kew Bull. 59: 225 (2004); Grammitis halconensis (Copel.) Christenh., Global Flora 4: 50 (2018).
description: Published as part of Parris, Barbara S. & Sundue, Michael A., 2020, The fern genus Oreogrammitis (Grammitidoideae: Polypodiaceae) re-defined, pp. 45-54 in Phytotaxa 436 (1) on page 48, DOI: 10.11646/phytotaxa.436.1.4, http://zenodo.org/record/13874603
Karsten Brüggemann: Licht und Luft des Imperiums. Legitimations- und Repräsentationsstrategien russischer Herrschaft in den Ostseeprovinzen im 19. und frühen 20. Jahrhundert
Creators: name: Ijabs, Ivars
Publisher: name: Zeitschrift für Ostmitteleuropa-Forschung
Year: 2020

description: Zeitschrift für Ostmitteleuropa-Forschung, Bd. 69 Nr. 2 (2020)
Effectiveness outcomes of preadmission testing for presurgical patients
Creators: name: Home, Elfriede
Publisher: name: University of British Columbia
Year: 2010

description: A prospective control study comparing elective surgical patients who had some or all of their presurgical testing done before admission with those who were tested after admission, was done at a 300 bed teaching and referral hospital in Vancouver, British Columbia. The intent of the study was to determine whether or not a program of preadmission testing (PAT) resulted in fewer inappropriate admissions and fewer delayed, postponed or cancelled surgical procedures. In addition, the amount of repeated testing was compared in the two groups. A matched subsample of 62 pairs from an overall sample of 90 PAT and 277 nonPAT patients admitted during an eight week period, was examined. Some interviews with surgeons, anesthetists, head nurses and significant others, also were carried out. It was found that preadmission testing did not significantly effect surgical workflow nor result in fewer inappropriate admissions. Preadmission tested patients, on the other hand, were far more likely to have tests repeated and had more venipunctures than patients who were tested after admission.
Bulk Cr tips for scanning tunneling microscopy and spin-polarized scanning tunneling microscopy
Creators: name: Bassi, A. Li
name: Casari, C. S.
name: Cattaneo, D.
name: Donati, F.
name: Foglio, S.
name: Passoni, M.
name: Bottani, C. E.
name: Biagioni, P.
name: Brambilla, A.
name: Finazzi, M.
name: Ciccacci, F.
name: Duo', L.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: A simple, reliable method for preparation of bulk Cr tips for Scanning Tunneling Microscopy (STM) is proposed and its potentialities in performing high-quality and high-resolution STM and Spin Polarized-STM (SP-STM) are investigated. Cr tips show atomic resolution on ordered surfaces. Contrary to what happens with conventional W tips, rest atoms of the Si(111)-7x7 reconstruction can be routinely observed, probably due to a different electronic structure of the tip apex. SP-STM measurements of the Cr(001) surface showing magnetic contrast are reported. Our results reveal that the peculiar properties of these tips can be suited in a number of STM experimental situations.
Oreogrammitis havilandii Parris & Sundue 2020, comb. nov.
Creators: name: Parris, Barbara S.
name: Sundue, Michael A.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Polypodiaceae
Oreogrammitis
Oreogrammitis havilandii

description: 13. Oreogrammitis havilandii (Baker) Parris & Sundue, comb. nov.
Based on Polypodium havilandii Baker, Trans. Linn. Soc. London, Bot. 2, 4: 253 (1894b). Type:— MALAYSIA. Sabah: Mount Kinabalu, 10500 ft, rec. August 1892, Haviland 1488 (holotype K!).
Synonyms: Grammitis havilandii (Baker) Copel., Gen. Filic.: 211 (1947); Radiogrammitis havilandii (Baker) Parris, Gard. Bull. Singapore 58: 242 (2007). Polypodium multisorum Copel., Philipp. J. Sci., C. Bot. 12: 61 (1917). Type:— MALAYSIA. Sabah: Mount Kinabalu, Paka Cave, Topping 1665 (lectotype AFS 3275 in MICH!, chosen by Parris (1990); isolectotypes BM!, US!).
description: Published as part of Parris, Barbara S. & Sundue, Michael A., 2020, The fern genus Oreogrammitis (Grammitidoideae: Polypodiaceae) re-defined, pp. 45-54 in Phytotaxa 436 (1) on page 48, DOI: 10.11646/phytotaxa.436.1.4, http://zenodo.org/record/13874603
TESS Experiments: Testing a Theory of Hybrid Femininity
Creators: name: Melin, Julia
Publisher: name: Roper Center for Public Opinion Research
Year: 2023

description: Time-sharing Experiments for the Social Sciences (TESS) offers researchers the opportunity to capture the internal validity of experiments. Investigators submit proposals, and TESS fields successful proposals for free on a representative sample of adults in the United States. This experiment was conducted to test whether hypermasculinity, as signaled through occupation, creates status and reward distinctions among women in external labor markets. Respondents were randomly assigned to one of six conditions in which they were asked to imagine that they worked in the HR department of a prominent company which was hiring for a senior level management position and received a resume of a woman with 5 years of project management experience in either military/defense (hypermasculine) or the cosmetics industry (hyperfeminine). Hiring industry and job descriptions were varied to reflect hypermasculine (Senior Technical Project Manager in the automotive industry), hyperfeminine (Senior Event Planning Manager at and wedding/social event planning company), or neutral (Senior Manager at a management consulting company) gender-typing. A total of 1,682 respondents participated. Respondents were asked to recommend compensation, rate the applicant’s status, and indicate how masculine/feminine they perceived the applicant to be. After treatment, respondents verified the applicant’s occupational background and indicated their own supervisory/hiring experience and occupational background. This allowed for comparison of responses across treatments and respondent demographics.
(Trigonidium) Rambur 1838
Creators: name: Hegg, Danilo
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia

description: Subgenus Trigonidium Rambur, 1838
Trigonidium Rambur, 1838: 39.
Trigonidomorpha Chopard, 1925: 40 syn. nov.
Trigonidomorpha – Chopard 1968: 328. — Otte & Alexander 1983: 222. — Desutter-Grandcolas et al. 2016: 416. — Tan et al. 2019: 577–578. — Rentz & Su 2019: 316.
Trigonidium – Otte & Alexander 1983: 225–227, fig. 177, table 15.
Trigonidium (Trigonidium) – Gorochov 1987: 5–17. — Rentz & Su 2019: 303. — Tan et al. 2019: 573–587.
Trigonidiomorpha [sic] – Baehr 1989: 20.
Trigonidium (Trigonidomorpha) – Otte 1994: 46. — Gorochov et al. 2018: 317.
Type species
Trigonidium cicindeloides Rambur, 1838 by original monotypy.
Amended diagnosis
Small trigs, body length <6 mm; body black with yellow legs, or entirely yellow, or in between. Eyes large and bulging, facing forwards. Short stridulum present on right tegmen in males, not used to generate any sound. Adults come in two morphs, wingless and winged. In wingless morph, tegmina rounded in lateral profile, thin, transparent, appressed to the abdomen; hindwings absent. Auditory tympana absent. In winged morph, tegmina thick and coloured yellow-brown; hindwings present, although they might be chewed off or dropped after a few days. Auditory tympana present on both anterior and posterior sides of Tibia I, the anterior tympana larger than the posterior ones. Intermediate morphs (i.e., wingless with reduced tympana, or winged without tympana) possible but rare.
Etymology
Meaning unknown; not explained by Rambur (1838). Trigonidium is neuter gender.
Measurements
See Table 7.
Habitat and ecology
Diurnal, predatory crickets; living primarily in meadows with tall grass, although occasionally found in the foliage or on the flowers of shrubs. While the New Zealand species is not known to produce any sound, the European species Trigonidium (Trigonidium) cicindeloides generates sound by rubbing the spurs of the last two segments in the maxillary palpi against one another (Ingrisch 1977).
Distribution
New Zealand, country-wide except for Rakiura/ Stewart Island and subantarctic islands. Also Australia, tropical and subtropical Asia, Africa and Europe.
description: Published as part of Hegg, Danilo, 2024, Small crickets of New Zealand (Orthoptera: Grylloidea: Trigonidiidae and Mogoplistidae), with the description of two new genera and species, pp. 1-87 in European Journal of Taxonomy 955 (1) on pages 57-58, DOI: 10.5852/ejt.2024.955.2655, http://zenodo.org/record/13742408
Oreogrammitis hirtella Parris & Sundue 2020, comb. nov.
Creators: name: Parris, Barbara S.
name: Sundue, Michael A.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Polypodiaceae
Oreogrammitis
Oreogrammitis hirtella

description: 14. Oreogrammitis hirtella (Blume) Parris & Sundue, comb. nov.
Based on Polypodium hirtellum Blume, Enum. Pl. Javae: 122 (1828). Type:— INDONESIA. Java: Mount Gede summit, Blume 71 (lectotype L!, chosen by Parris (2007); isolectotypes BM!, K!).
Synonyms: Grammitis hirtella (Blume) Tuyama, Bot. Mag. Tokyo 51: 125 (1937); Radiogrammitis hirtella (Blume) Parris, Gard. Bull. Singapore 58: 242 (2007). Grammitis pusilla Blume, Fl. Javae 2: 109 (1829) excl. varieties, nomen illegit. superfl. pro P. hirtellum Blume; Polypodium pusillum (Blume) Christ, Ann. Jard. Buitenzorg 15: 145 (1897).
description: Published as part of Parris, Barbara S. & Sundue, Michael A., 2020, The fern genus Oreogrammitis (Grammitidoideae: Polypodiaceae) re-defined, pp. 45-54 in Phytotaxa 436 (1) on page 48, DOI: 10.11646/phytotaxa.436.1.4, http://zenodo.org/record/13874603
Imaging and Dynamics of Light Atoms and Molecules on Graphene
Creators: name: Meyer, Jannik C.
name: Girit, C. O.
name: Crommie, M. F.
name: Zettl, A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Observing the individual building blocks of matter is one of the primary goals of microscopy. The invention of the scanning tunneling microscope [1] revolutionized experimental surface science in that atomic-scale features on a solid-state surface could finally be readily imaged. However, scanning tunneling microscopy has limited applicability due to restrictions, for example, in sample conductivity, cleanliness, and data aquisition rate. An older microscopy technique, that of transmission electron microscopy (TEM) [2, 3] has benefited tremendously in recent years from subtle instrumentation advances, and individual heavy (high atomic number) atoms can now be detected by TEM [4 - 7] even when embedded within a semiconductor material [8, 9]. However, detecting an individual low atomic number atom, for example carbon or even hydrogen, is still extremely challenging, if not impossible, via conventional TEM due to the very low contrast of light elements [2, 3, 10 - 12]. Here we demonstrate a means to observe, by conventional transmision electron microscopy, even the smallest atoms and molecules: On a clean single-layer graphene membrane, adsorbates such as atomic hydrogen and carbon can be seen as if they were suspended in free space. We directly image such individual adatoms, along with carbon chains and vacancies, and investigate their dynamics in real time. These techniques open a way to reveal dynamics of more complex chemical reactions or identify the atomic-scale structure of unknown adsorbates. In addition, the study of atomic scale defects in graphene may provide insights for nanoelectronic applications of this interesting material.
description: 9 pages manuscript and figures, 9 pages supplementary information
Karualona fatimae Sinev et Semenyuk 2023
Creators: name: Gusakov, Vladimir A.
name: Dien, Tran Duc
name: Tran, Hoan Quoc
name: Thanh, Nguyen Thi Hai
name: Huan, Phan Trong
name: Ha, Vo Thi
name: Dinh, Cu Nguyen
Publisher: name: Zenodo
Year: 2025
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Branchiopoda
Anomopoda
Chydoridae
Karualona
Karualona fatimae

description: 26. Karualona fatimae Sinev et Semenyuk, 2023
Localities and specimens found: 50 – 11♀, 5♀ ov, 9♀ em, 12j; 51 – 3♀, 1j.
Distribution and ecology. This is another lately discovered member of the genus Karualona from Southeast Asia, which was previously identified in the region usually as K. karua (King, 1853) or K. cf. karua (Sinev & Semenyuk 2023). Karualona fatimae was described in Vietnam and is still known here only from Cat Tien National Park (Dong Nai Province), including before its description as K. karua (Sinev & Korovchinsky 2013; Sinev & Semenyuk 2021, 2023). We also found K. fatimae only in this territory. According to Sinev & Semenyuk (2023), previous references of K. karua in Chinese Hainan Island and some locations in Thailand and Malaysia (Sinev & Yusoff 2015, 2018; Sinev et al. 2015; Tiang-nga et al. 2020) belong to K. fatimae as well. Dadykin et al. (2024b) report the presence of K. fatimae in Central Asia (Tajikistan), where it was previously listed as Alonella karua King, 1853. In general, the currently known distribution of K. fatimae covers Sri Lanka, Central and Southeast Asia, South China and probably India (Sinev & Semenyuk 2023; Dadykin et al. 2024b).
Karualona fatimae is characterized as a phytophilous cladoceran.It inhabits slow-flowing rivers, lakes, reservoirs, ponds, rice fields, swamps and some temporary water bodies (Sinev & Semenyuk 2023). In our material, this species was detected in a permanent forest lake, in the rhizosphere of floating plants (see Appendix 1).
description: Published as part of Gusakov, Vladimir A., Dien, Tran Duc, Tran, Hoan Quoc, Thanh, Nguyen Thi Hai, Huan, Phan Trong, Ha, Vo Thi & Dinh, Cu Nguyen, 2025, An annotated checklist of the main representatives of meiobenthos from inland water bodies of Central and Southern Vietnam. III. Water fleas (Cladocera), pp. 401-455 in Zootaxa 5613 (3) on page 416, DOI: 10.11646/zootaxa.5613.3.1, http://zenodo.org/record/15216705
Rampart Nations. Bulwark Myths of East European Multiconfessional Societies in the Age of Nationalism. Hrsg. von Liliya Berezhnaya und Heidi Hein-Kircher
Creators: name: Faber, Martin
Publisher: name: Zeitschrift für Ostmitteleuropa-Forschung
Year: 2020

description: Zeitschrift für Ostmitteleuropa-Forschung, Bd. 69 Nr. 2 (2020)
Flavor symmetry for strong phases and determination of $β_s, ΔΓ$ in $B_s \to J/ψϕ$
Creators: name: Gronau, Michael
name: Rosner, Jonathan L.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Studies of angular and time distributions and CP-violating observables in $B_s\to J/ψϕ$ decays yield a space of parameters which can be considerably reduced if relative strong phases among different amplitudes are specified. We show that the relations between $B_s \to J/ψϕ$ and $B^0 \to J/ψK^{*0}$ amplitudes given by flavor symmetry [actually U(3) rather than SU(3)] are likely to be quite reliable, and hence the use of strong phases from $B^0 \to J/ψK^{*0}$ in the analysis of $B_s \to J/ψϕ$ is justified. We point out the potential advantage of using helicity angles over transversity angles, and comment on a way to measure a sizable CP-violating phase independent of strong phases.
description: Corrections and additions, final version to be published in Physics Letters B
Reheating-volume measure for random-walk inflation
Creators: name: Winitzki, Sergei
Publisher: name: arXiv
Year: 2008
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Astrophysics (astro-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The recently proposed "reheating-volume" (RV) measure promises to solve the long-standing problem of extracting probabilistic predictions from cosmological "multiverse" scenarios involving eternal inflation. I give a detailed description of the new measure and its applications to generic models of eternal inflation of random-walk type. For those models I derive a general formula for RV-regulated probability distributions that is suitable for numerical computations. I show that the results of the RV cutoff in random-walk type models are always gauge-invariant and independent of the initial conditions at the beginning of inflation. In a toy model where equal-time cutoffs lead to the "youngness paradox," the RV cutoff yields unbiased results that are distinct from previously proposed measures.
description: Figure 1 updated, version accepted for publication in Phys.Rev.D
Oreogrammitis hirtelloides Parris & Sundue 2020, comb. nov.
Creators: name: Parris, Barbara S.
name: Sundue, Michael A.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Polypodiaceae
Oreogrammitis
Oreogrammitis hirtelloides

description: 15. Oreogrammitis hirtelloides (Copel.) Parris & Sundue, comb. nov.
Based on Polypodium hirtelloides Copel., Bernice P. Bishop Mus. Bull. 59: 17 (1929). Type:— FIJI: Viti Levu: Nadarivatu, along stream above swimming pool, 1000 m, 24 August 1927, Gillespie 2387 (BISH!, MICH, UC).
Synonyms: Grammitis hirtelloides (Copel.) Copel., Philipp. J. Sci. 80: 146 (1952); Radiogrammitis hirtelloides (Copel.) Parris, Gard. Bull. Singapore 58: 242 (2007).
description: Published as part of Parris, Barbara S. & Sundue, Michael A., 2020, The fern genus Oreogrammitis (Grammitidoideae: Polypodiaceae) re-defined, pp. 45-54 in Phytotaxa 436 (1) on page 48, DOI: 10.11646/phytotaxa.436.1.4, http://zenodo.org/record/13874603
On the corotation torque in a radiatively inefficient disk
Creators: name: Baruteau, C.
name: Masset, F.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We consider the angular momentum exchange at the corotation resonance between a two-dimensional gaseous disk and a uniformly rotating external potential, assuming that the disk flow is adiabatic. We first consider the linear case for an isolated resonance, for which we give an expression of the corotation torque that involves the pressure perturbation, and which reduces to the usual dependence on the vortensity gradient in the limit of a cold disk. Although this expression requires the solution of the hydrodynamic equations, it provides some insight into the dynamics of the corotation region. In the general case, we find an additional dependence on the entropy gradient at corotation. This dependence is associated to the advection of entropy perturbations. These are not associated to pressure perturbations. They remain confined to the corotation region, where they yield a singular contribution to the corotation torque. In a second part, we check our torque expression by means of customized two-dimensional hydrodynamical simulations. In a third part, we contemplate the case of a planet embedded in a Keplerian disk, assumed to be adiabatic. We find an excess of corotation torque that scales with the entropy gradient, and we check that the contribution of the entropy perturbation to the torque is in agreement with the expression obtained from the linear analysis. We finally discuss some implications of the corotation torque expression for the migration of low mass planets in the regions of protoplanetary disks where the flow is radiatively inefficient on the timescale of the horseshoe U-turns.
description: 36 pages, 19 figures, accepted for publication in ApJ
Manfred Richter: Johann Amos Comenius und das Colloquium Charitativum von Thorn 1645. Ein Beitrag zum Ökumenismus
Creators: name: Kuße, Holger
Publisher: name: Zeitschrift für Ostmitteleuropa-Forschung
Year: 2020

description: Zeitschrift für Ostmitteleuropa-Forschung, Bd. 69 Nr. 2 (2020)
The isocohomological property, higher Dehn functions, and relatively hyperbolic groups
Creators: name: Ji, R.
name: Ramsey, B.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Group Theory (math.GR)
subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 20F65; 58B34

description: The property that the polynomial cohomology with coefficients of a finitely generated discrete group is canonically isomorphic to the group cohomology is called the (weak) isocohomological property for the group. In the case when a group is of type $HF^\infty$, i.e. that has a classifying space with the homotopy type of a cellular complex with finitely many cells in each dimension, we show that the isocohomological property is equivalent to the universal cover of the classifying space satisfying polynomially bounded higher Dehn functions. If a group is hyperbolic relative to a collection of subgroups, each of which is polynomially combable (respectively $HF^\infty$ and isocohomological), then we show that the group itself has these respective properties too. Combining with the results of Connes-Moscovici and Dru{ţ}u-Sapir we conclude that a group satisfies the Novikov conjecture if it is relatively hyperbolic to subgroups that are of property RD, of type $HF^\infty$ and isocohomological.
description: 35 pages, no figures
Klaus Garber: Der Reformator und Aufklärer Martin Opitz. Ein Humanist im Zeitalter der Krisis
Creators: name: Tebarth, Hans-Jakob
Publisher: name: Zeitschrift für Ostmitteleuropa-Forschung
Year: 2020

description: Zeitschrift für Ostmitteleuropa-Forschung, Bd. 69 Nr. 2 (2020)
Zenonas Norkus: An Unproclaimed Empire. The Grand Duchy of Lithuania from the Viewpoint of Comparative Historical Sociology of Empires
Creators: name: Frost, Robert
Publisher: name: Zeitschrift für Ostmitteleuropa-Forschung
Year: 2020

description: Zeitschrift für Ostmitteleuropa-Forschung, Bd. 69 Nr. 2 (2020)
Oreogrammitis hirtiformis Parris & Sundue 2020, comb. nov.
Creators: name: Parris, Barbara S.
name: Sundue, Michael A.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Polypodiaceae
Oreogrammitis
Oreogrammitis hirtiformis

description: 16. Oreogrammitis hirtiformis (Rosenst.) Parris & Sundue, comb. nov.
Based on Polypodium hirtiforme Rosenst., Repert. Spec. Nov. Regni Veg. 12: 176 (1913). Type:— PAPUA NEW GUINEA. Morobe, Bolan Mountains, 2400–3000 m, 1912, Keysser B 48 (lectotype S!, chosen by Parris (1983); isolectotypes BM!, MICH!, UC!).
Synonyms: Grammitis hirtiformis (Rosenst.) Copel., Philip. J. Sci. 80: 190 (1952); Radiogrammitis hirtiformis (Rosenst.) Parris, Gard. Bull. Singapore 58: 242 (2007).
description: Published as part of Parris, Barbara S. & Sundue, Michael A., 2020, The fern genus Oreogrammitis (Grammitidoideae: Polypodiaceae) re-defined, pp. 45-54 in Phytotaxa 436 (1) on page 48, DOI: 10.11646/phytotaxa.436.1.4, http://zenodo.org/record/13874603
Extreme Value Theory and the Solar Cycle
Creators: name: Ramos, A. Asensio
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We investigate the statistical properties of the extreme events of the solar cycle as measured by the sunspot number. The recent advances in the methodology of the theory of extreme values is applied to the maximal extremes of the time series of sunspots. We focus on the extreme events that exceed a carefully chosen threshold and a generalized Pareto distribution is fitted to the tail of the empirical cumulative distribution. A maximum likelihood method is used to estimate the parameters of the generalized Pareto distribution and confidence levels are also given to the parameters. Due to the lack of an automatic procedure for selecting the threshold, we analyze the sensitivity of the fitted generalized Pareto distribution to the exact value of the threshold. According to the available data, that only spans the previous ~250 years, the cumulative distribution of the time series is bounded, yielding an upper limit of 324 for the sunspot number. We also estimate that the return value for each solar cycle is ~188, while the return value for a century increases to ~228. Finally, the results also indicate that the most probable return time for a large event like the maximum at solar cycle 19 happens once every ~700 years and that the probability of finding such a large event with a frequency smaller than ~50 years is very small. In spite of the essentially extrapolative character of these results, their statistical significance is very large.
description: 6 pages, 4 figures, accepted for publication in A&A
Egg size variation in Pacific herring, Clupea harengus pallasi (Valenciennes), and its effects on larval growth and survival
Creators: name: Kingston, Gary
Publisher: name: University of British Columbia
Year: 2010

description: This thesis investigated variation in egg size with size of the female parent in Pacific herring, Clupea harengus pallasi (Valenciennes), and the effect of this variation on subsequent larval growth and survival. Egg weight was found to increase markedly with length or weight of the female; larger females had mean egg weights up to 50% greater than those observed in the smaller females. Differences in egg size had no effect on fertilization rate, incubation time, or hatching success, contrary to some of the other findings in the literature. Total weight at hatch, that is, the weight of the larvae and yolk combined, was highly correlated with original egg weight. Larvae from larger eggs generally had more yolk at hatch, grew more quickly on the yolk reserves, and took longer to reach complete yolk absorption. The net result was that small differences in size at hatch were amplified and larvae from larger eggs were substantially longer and heavier at yolk absorption than larvae of the same age from smaller eggs. Under starvation conditions, larvae from larger eggs survived 4 to 5 days longer than larvae from smaller eggs at 9.1 °C. The magnitude of this difference was temperature dependent. When fed an Artemia diet larvae from smaller eggs and larvae from larger eggs had similar growth rates regardless of when feeding was initiated. Trends in survival with egg size were not significant except when feeding was initiated early. In this case, survival declined significantly as egg size increased. Implications of these results in terms of fisheries management are discussed.
Trigonidium (Trigonidium) australianum
Creators: name: Hegg, Danilo
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Orthoptera
Trigonidiidae
Trigonidium
Trigonidium australianum

description: Trigonidium (Trigonidium) australianum (Chopard, 1925)
Figs 31, 32E–F
Metioche australiana Chopard, 1925: 36.
Trigonidomorpha sjostedti Chopard, 1925: 40 syn. nov.
Trigonidomorpha areolata Chopard, 1925: 38 syn. nov.
Metioche australiana – Chopard 1968: 334.
Metioche areolata – Chopard 1968: 334.
Trigonidium australiana – Otte & Alexander 1983: 228.
Trigonidomorpha sjostedti – Otte & Alexander 1983: 223. — Rentz & Su 2019: 316.
Trigonidium (Trigonidium) australiana – Rentz & Su 2019: 304.
Amended diagnosis
A small trig (body length 4 to 5 mm), with black body and yellow legs, very similar to Trigonidium (Trigonidium) maoricum in every aspect. Slightly smaller than the latter, it has a shorter stridulatory file with less than 20 teeth. Adult insects come in a wingless morph without hindwings or auditory tympana, and in a winged morph with hindwings and with auditory tympana. The winged morph was previously mistaken to be a different species, Trigonidomorpha sjostedti.
Etymology
The Latin adjective australianum refers to the country the insect is found in.
Material examined
AUSTRALIA • 1 ♂, 1 ♀; Queensland, Brisbane, Oxley Creek Commons; 27.53566° S, 152.99306° E; 10 m a.s.l.; 17 Nov. 2023; D. Hegg leg.; in tall grass; insect net; MPN OR0403, OR0405 • 1 ♂; same data as for preceding; GenBank: PP761115; MPN OR0402 • 1 ♀; same data as for preceding; GenBank: PP761116; MPN OR0404.
Description
Not included in this paper since this is not a New Zealand species.
MEASUREMENTS. See Table 7.
Distribution
Australia. Northern, eastern and western coastal regions.
description: Published as part of Hegg, Danilo, 2024, Small crickets of New Zealand (Orthoptera: Grylloidea: Trigonidiidae and Mogoplistidae), with the description of two new genera and species, pp. 1-87 in European Journal of Taxonomy 955 (1) on pages 64-66, DOI: 10.5852/ejt.2024.955.2655, http://zenodo.org/record/13742408
Quantum singularities in the BTZ spacetime
Creators: name: Pitelli, João Paulo M.
name: Letelier, Patricio S.
Publisher: name: arXiv
Year: 2008
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The spinless Bañados-Teiltelboim-Zanelli (BTZ) spacetime is considered in the quantum theory context. Specially, we study the case of negative mass parameter using quantum test particles obeying the Klein-Gordon and Dirac equations. We study if this classical singular spacetime, with a naked singularity at the origin, remains singular when tested with quantum particles. The need of additional information near the origin is confirmed for massive scalar particles and all the possible boundary conditions necessary to turn the spatial portion of the wave operator self-adjoint are found. When tested by massless scalar particles or fermions, the singularity is ``healed'' and no extra boundary condition are needed. Near infinity, no boundary conditions are necessary.
description: 6 pages, rvtex, accepted for publication in PRD
Comment on "Scaling behavior of classical wave transport in mesoscopic media at the localization transition"
Creators: name: Cherroret, N.
name: Skipetrov, S. E.
name: Van Tiggelen, B. A.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We emphasize the importance of the position dependence of the diffusion coefficient D(r) in the self-consistent theory of localization and argue that the scaling law T ~ ln(L)/L^2 obtained by Cheung and Zhang [Phys. Rev. B 72, 235102 (2005)] for the average transmission coefficient T of a disordered slab of thickness L at the localization transition is an artifact of replacing D(r) by its harmonic mean. The correct scaling T ~ 1/L^2 is obtained by properly treating the position dependence of D(r).
description: 2 pages, 1 figure
Oreogrammitis holttumii Parris & Sundue 2020, comb. nov.
Creators: name: Parris, Barbara S.
name: Sundue, Michael A.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Polypodiaceae
Oreogrammitis
Oreogrammitis holttumii

description: 17. Oreogrammitis holttumii (Copel.) Parris & Sundue, comb. nov.
Based on Grammitis holttumii Copel., Univ. Calif. Publ. Bot. 18: 224 (1942). Type:— MALAYSIA. Peninsular Malaysia: Pahang, 4800 ft, 3 April 1930, Holttum SFN 23384 (holotype MICH!; isotypes K!, SING!, UC!).
Synonym: Radiogrammitis holttumii (Copel.) Parris, Gard. Bull. Singapore 58: 242 (2007).
description: Published as part of Parris, Barbara S. & Sundue, Michael A., 2020, The fern genus Oreogrammitis (Grammitidoideae: Polypodiaceae) re-defined, pp. 45-54 in Phytotaxa 436 (1) on page 49, DOI: 10.11646/phytotaxa.436.1.4, http://zenodo.org/record/13874603
Self-assembled Pt nanowires on Ge(001): Relaxation effects
Creators: name: Schwingenschloegl, Udo
name: Schuster, Cosima
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Absorption of Pt on the Ge(001) surface results in stable self-organized Pt nanowires, extending over some hundred nanometers. Based on band structure calculations within density functional theory and the generalized gradient approximation, the structural relaxation of the Ge--Pt surface is investigated. The surface reconstruction pattern obtained agrees well with findings from scanning tunneling microscopy. In particular, strong Pt--Pt dimerization is characteristical for the nanowires. The surface electronic structure is significantly perturbed due to Ge--Pt interaction, which induces remarkable shifts of Ge states towards the Fermi energy. As a consequence, the topmost Ge layers are subject to a metal-insulator transition.
description: 4 pages, 2 figures, final version accepted by Europhys. Lett., minor modifications of the text
Ornebius Guerin-Meneville 1844
Creators: name: Hegg, Danilo
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Orthoptera
Mogoplistidae
Ornebius

description: Genus Ornebius Guérin-Méneville, 1844
Ornebius Guérin-Méneville, 1844: 331.
Liphoplus Saussure, 1877: 483.
Ornebius – Kirby 1906: 57. — Chopard 1968: 219. — Otte & Alexander 1983: 386, fig. 330. — Otte 1994: 91. — Rentz & Su 2019: 273.
Type species
Ornebius xanthopterus Guérin-Méneville, 1844.
Diagnosis (after Otte & Alexander 1983)
Difficult to differentiate from other genera of scaly crickets; this is not a problem in New Zealand, where it is the only known genus in the family. Body length generally between 6.5 mm and 8 mm in both males and females. The last dorsal segment of the abdomen is never black between the cerci; paraprocts whitish to brown, never black. Posterior margin of forewing with a continuous dark band or three darkened areas, brown or black, never red. Tibia I and II banded. Front of mirror not hidden beneath pronotum.
Etymology
The meaning of the name Ornebius is unknown. Ornebius is male gender.
Measurements
See Table 8.
For a detailed description of Ornebius in the Australian region, see Otte & Alexander (1983: 386); Rentz & Su (2019: 273).
Habitat and ecology
Nocturnal crickets, arboreal; their melodious song is heard in the foliage of trees and shrubs.
Distribution
New Zealand: New Plymouth, Auckland, Northland and Coromandel; Kermadec Islands. The mainland populations are introduced from Australia. Also found in Australia and wider Pacific Region, tropical and subtropical Asia and Africa, South and Central America.
description: Published as part of Hegg, Danilo, 2024, Small crickets of New Zealand (Orthoptera: Grylloidea: Trigonidiidae and Mogoplistidae), with the description of two new genera and species, pp. 1-87 in European Journal of Taxonomy 955 (1) on pages 66-67, DOI: 10.5852/ejt.2024.955.2655, http://zenodo.org/record/13742408
Detections of Lyman Continuum from Star-forming Galaxies at z~3 Through Subaru/Suprime-Cam Narrow-band Imaging
Creators: name: Iwata, I.
name: Inoue, A. K.
name: Matsuda, Y.
name: Furusawa, H.
name: Hayashino, T.
name: Kousai, K.
name: Akiyama, M.
name: Yamada, T.
name: Burgarella, D.
name: Deharveng, J. -M.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Knowing the amount of ionizing photons from young star-forming galaxies is of particular importance to understanding the reionization process. Here we report initial results of Subaru/Suprime-Cam deep imaging observation of the SSA22 proto-cluster region at z=3.09, using a special narrow-band filter to optimally trace Lyman continuum (LyC) from galaxies at z~3. The unique wide field-of-view of Suprime-Cam enabled us to search for ionizing photons from 198 galaxies (73 Lyman break galaxies (LBGs) and 125 Ly-alpha emitters (LAEs)) with spectroscopically measured redshifts z~3.1. We detected LyC from 7 LBGs, as well as from 10 LAE candidates. Some of the detected galaxies show significant spatial offsets of LyC from non-ionizing UV emission. For some LBGs the observed non-ionizing UV to LyC flux density ratios are smaller than values expected from population synthesis models with a standard Salpeter initial mass function (IMF) with moderate dust attenuation (which is suggested from the observed UV slopes), even if we assume very transparent IGM along the sightlines of these objects. This implies an intrinsically bluer spectral energy distribution, e.g, that produced by a top-heavy IMF, for these LBGs. The observed flux desity ratios of non-ionizing UV to LyC of 7 detected LBGs range from 2.4 to 23.8 and the median is 6.6. The observed flux density ratios of the detected LAEs are even smaller than LBGs, if they are truly at z~3.1. We find that the median value of the flux density ratio for the deteced LBGs suggest that their escape fractions is likely to be higher than 4%, if the LyC escape is isotropic. The results imply that some of the LBGs in the proto-cluster at z~3 have the escape fraction significantly higher than that of galaxies (in a general field) at z~1 studied previously.
description: 9 pages, 5 figures. Accepted for publication in ApJ
Jakub Adamski: Gotycka architektura sakralna na Śląsku w latach 1200-1420. Główne kierunki rozwoju. [Gotische Sakralarchitektur in Schlesien in den Jahren 1200-1420. Hauptströmungen der Entwicklung.]
Creators: name: Torbus, Tomasz
Publisher: name: Zeitschrift für Ostmitteleuropa-Forschung
Year: 2020

description: Zeitschrift für Ostmitteleuropa-Forschung, Bd. 69 Nr. 2 (2020)
Constituents of the soft X-ray background
Creators: name: Soltan, A. M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The X-ray background is generated by various classes of objects and variety of emission mechanisms. Relative contribution of individual components depends on energy. The goal is to assess the integral emission of the major components of the soft X-ray background (extragalactic discrete sources dominated by AGNs, galactic plasma, and the Warm/Hot Intergalactic Medium), investigating the angular structure of the background. Fluctuations of the background are measured using the auto-correlation function of the XRB determined in 5 energy bands between 0.3 and 4.5 keV. The investigation is based on the extensive observational data set selected from the XMM-Newton archives. Amplitudes of the auto-correlation functions calculated in three energy bands above ~1 keV are consistent with the conjecture that the background fluctuations result solely from clustering of sources which produce the background. At energies below 1 keV the relative fluctuation amplitude decreases indicating that a fraction of the soft XRB is associated with a smooth plasma emission in the Galaxy. It is shown, however, that the mean spectrum of extragalactic discrete sources steepens in the soft X-rays and is not well represented by a single power law in the energy range 0.3-4.5 keV. The WHIM contribution to the total background fluctuations is small and consistent with the WHIM properties derived from the cross-correlation of the XRB with galaxies.
description: 7 pages, 2 figures
Oreogrammitis jagoriana Parris & Sundue 2020, comb. nov.
Creators: name: Parris, Barbara S.
name: Sundue, Michael A.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Polypodiaceae
Oreogrammitis
Oreogrammitis jagoriana

description: 18. Oreogrammitis jagoriana (Mett. ex Kuhn) Parris & Sundue, comb. nov.
Based on Polypodium jagorianum Mett. ex Kuhn, Linnaea 36: 128 (May 1869). Type:— PHILIPPINES. Luzon: 1861, Jagor 835 (lectotype B!, chosen by Parris (2007); isolectotypes BM!, K!).
Synonyms: Grammitis jagoriana (Mett. ex Kuhn) Tagawa, Acta Phytotax. Geobot. 10: 284 (1941); Radiogrammitis jagoriana (Mett. ex Kuhn) Parris, Gard. Bull. Singapore 58: 242 (2007). Polypodium koordersii Christ, Ann. Jard. Bot. Buitenzorg 15: 144 (1897). Type:— INDONESIA. Celebes: Minahassa, Gunung Klabat, 2000 m, 19 January 1895, Koorders 17135b (lectotype BO!, chosen by Parris (2007); isolectotype L!). Polypodium christii Copel., Polyp. Philipp.: 118 (1905). Type:— PHILIPPINES. Mindanao: Mount Apo, 6000 ft, Copeland 1520 (lectotype MICH!, chosen by Parris (2007); isolectotypes BM!, KYO! image, US!). Grammitis cuneifolia Copel., Philipp. J. Sci. 56: 479 (1935). Type:— MALAYSIA. Sabah: Mount Kinabalu, Penibukan, N of Pinokuk Falls, 7000 ft, Clemens 40962 p.p. (lectotype MICH!, chosen by Parris in Parris et al. (1992)).
description: Published as part of Parris, Barbara S. & Sundue, Michael A., 2020, The fern genus Oreogrammitis (Grammitidoideae: Polypodiaceae) re-defined, pp. 45-54 in Phytotaxa 436 (1) on page 49, DOI: 10.11646/phytotaxa.436.1.4, http://zenodo.org/record/13874603
Sébastien Rossignol: Maiestas principum. Herzogsurkunden als Medien der Herrschaftsrepräsentation in Schlesien, Pommern und Pommerellen (1200-1325)
Creators: name: Wüst, Marcus
Publisher: name: Zeitschrift für Ostmitteleuropa-Forschung
Year: 2020

description: Zeitschrift für Ostmitteleuropa-Forschung, Bd. 69 Nr. 2 (2020)