cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Climate Policy in Developing Countries: Analysis of Climate Mitigation and Adaptation Measures in Egypt
Creators: name: Abdelaty, Hamdy
name: Weiss, Daniel
name: Mangelkramer, Delia
Publisher: name: Freie Universität Berlin
Year: 2023
Subjects: subject: climate policies
subject: NDCs
subject: mitigation and adaptation
subject: developing countries
subject: Egypt
subject: 300 Sozialwissenschaften::320 Politikwissenschaft::320 Politikwissenschaft

description: The Nationally Determined Contribution (NDC) refers to a country’s climate action plan to limit greenhouse gas (GHG) emissions and adapt to climate change hazards. Each country is obliged to submit its NDCs to the UNFCCC, adhering to a guideline for increasing clarity and transparency. Nonetheless, few studies have employed this guideline to assess countries’ contributions, particularly the NDCs of developed countries. Our article centers on the case of The Arab Republic of Egypt (hereafter Egypt), which is extremely susceptible to climate change impacts due to its geographic location and economic structure. Using desk research and a systematic NDC analysis, this paper reviews recent measures Egypt has taken to build national resilience against climate change. We also assess Egypt’s planned mitigation and adaptation measures until 2030, documented in its updated NDC according to four criteria: mitigation ambition level, comprehensiveness, implementation plan, and transparency. The results show that Egypt’s 2022 NDC is more advanced on different fronts than the 2015 submission, focusing on fewer sectors and specific quantified targets for mitigation and adaptation. However, the updated NDC only partially meets the essential criteria for mitigation ambition level, implementability, and transparency. We provide a set of methodological and policy recommendations for improvement.
Brief Jod[oco] Pfi[ffero]
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1599

description: von [Hans Jakob vom Staal]
description: Brief Nr. 349.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
Anomalous Density-of-States Fluctuations in Two-Dimensional Clean Metals
Creators: name: Kirkpatrick, T. R.
name: Belitz, D.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: It is shown that density-of-states fluctuations, which can be interpreted as the order-parameter susceptibility χ_OP in a Fermi liquid, are anomalously strong as a result of the existence of Goldstone modes and associated strong fluctuations. In a 2-d system with a long-range Coulomb interaction, a suitably defined χ_OP diverges as 1/T^2 as a function of temperature in the limit of small wavenumber and frequency. In contrast, standard statistics suggest χ_OP = O(T), a discrepancy of three powers of T. The reasons behind this surprising prediction, as well as ways to observe it, are discussed.
description: 4 pp, revised version contains a substantially expanded derivation
title: Bifaciale Dünnschicht-Solarzellen aus multikristallinem Silizium
Creators: name: Guobin, Jia
name: Plentz, Jonathan
name: Gawlik, Annett
name: Andrä, Gudrun
Publisher: name: Hochschule Nordhausen
Year: 2019
Subjects: subject: 600

description: RET.Con 2019: Tagungsband : 2. Regenerative Energietechnik-Konferenz in Nordhausen 7.-8. Februar 2019, p. 93
Development of structurally novel FMS (CSF-1R) inhibitors for cancer
Creators: name: Tangsangasaksri, Kanut
Publisher: name: Imperial College London
Year: 2021

description: Colony-stimulating factor-1 receptor (CSF-1R) or FMS is a hematopoietic growth factor responsible for cell differentiation, proliferation, and survival. Overexpression of FMS has been implicated in a large number of human pathologies, including inflammatory diseases and several cancers, due to its role in the activation of tumour-associated macrophages (TAMs) which can promote tumour progression and metastasis. Inhibition of FMS can therefore in principle provide therapeutic options for these diseases. In this thesis, we focus on the development of small molecule inhibitors against FMS kinase. In Chapter 1, we report the design of a novel type of FMS inhibitor, based on promising compounds previously identified in the Fuchter group, and the synthesis of the desired inhibitor and its analogues. Despite significant challenges in the synthesis, the desired inhibitor was successfully synthesised and the routes developed were optimised to synthesise further analogues. Unfortunately, the target inhibitor was found only to be moderately potent against FMS. In Chapter 2, we report the development of small molecule-based PROTACs (Proteolysis-Targeting Chimeras) which were specifically designed for target protein degradation of FMS. PROTACs have been recently introduced as a novel therapeutic approach since they possess some advantages over other small molecule modalities, including improved selectivity and a catalytic mechanism of action. Our FMS PROTACs were designed based on one of the lead structures presented in Chapter 1. The novel PROTACs were successfully synthesised, and initial biological properties of the synthesised PROTACs were assessed through an in vitro degradation assay. Although the initial biological assay showed that the synthesised PROTACs were not able to degrade FMS, further biological evaluation of the synthesised PROTACs is currently underway.
Brief Jodoco Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1599

description: von [Hans Jakob vom Staal]
description: Brief Nr. 328.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
Brief [Jodoco] Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1604

description: von [Hans Jakob vom Staal]
description: Brief Nr. 369.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
Stability and dynamics of ion rings in linear multipole traps
Creators: name: Cartarius, Florian
name: Cormick, Cecilia
name: Morigi, Giovanna
Publisher: name: arXiv
Year: 2012
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Trapped singly-charged ions can crystallize as a result of laser cooling. The emerging structure depends on the number of particles and on the geometry of the trapping potential. In linear multipole radiofrequency traps, the geometry of the radial potential can lead to the formation of single-ring structures. We analyse the conditions and stability of single rings as a function of the number of poles. For larger numbers of ions the rings form tubes in which the arrangement of the ions corresponds to a triangular lattice folded onto a cylinder. The stability of these tubular structures is numerically studied for different lattice constants and their normal mode spectrum is determined.
description: Version accepted for publication in Phys. Rev. A, 10 pages, 9 figures, 1 table
Brief Jodoco Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1599

description: von [Hans Jakob vom Staal]
description: Brief Nr. 324, auf der vierten Seite befindet sich Nr. 148.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
Reconstruction of f(R) models with Scale-invariant Power Spectrum
Creators: name: Qiu, Taotao
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Following our previous work in [JCAP 1206, 041 (2012)], in this paper, we continue our study of reconstructing $f(R)$ modified gravity models that can be connected to a single scalar field in general relativity via conformal transformation, which lead to scale-invariant power spectrum in the early universe. With $f(R)$ modified gravity, one does not need to introduce extra scalar, the nature of which are to be explained. Different from general nonminimal coupling theory, the behavior of the $f(R)$ theory has been fixed by its counterpart in Einstein frame, and thus have one to one correspondence. Numerical plots of the functional form of $f(R)$ as well as the evolution of $R$ in terms of cosmic time $t$ are also presented.
description: 8 pages, 4 figures, 1 table
title: Potentialinduzierte Degradationserscheinungen an bifacialen Photovoltaikmodulen: Gegenüberstellung beschleunigter Alterungs- und Langzeituntersuchungen
Creators: name: Münter, Sven
name: Wesselak, Viktor
name: Voswinckel, Sebastian
name: Gerstenberg, Lukas
Publisher: name: Hochschule Nordhausen
Year: 2019
Subjects: subject: 600

description: RET.Con 2019: Tagungsband : 2. Regenerative Energietechnik-Konferenz in Nordhausen 7.-8. Februar 2019, p. 97
Brief Jodoco Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1599

description: von [Hans Jakob vom Staal]
description: Brief Nr. 345, auf der Rückseite befindet sich Nr. 160.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
title: Mehrertrag durch bifaciale Photovoltaik: Vorstellung eines Berechnungsmodells und Vergleich zwischen Simulation und Messung
Creators: name: Gerstenberg, Lukas
name: Wesselak, Viktor
name: Voswinckel, Sebastian
name: Münter, Sven
Publisher: name: Hochschule Nordhausen
Year: 2019
Subjects: subject: 600

description: RET.Con 2019: Tagungsband : 2. Regenerative Energietechnik-Konferenz in Nordhausen 7.-8. Februar 2019, p. 109
Systematic uncertainties in long-baseline neutrino oscillations for large $θ_{13}$
Creators: name: Coloma, Pilar
name: Huber, Patrick
name: Kopp, Joachim
name: Winter, Walter
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We study the physics potential of future long-baseline neutrino oscillation experiments at large $θ_{13}$, focusing especially on systematic uncertainties. We discuss superbeams, \bbeams, and neutrino factories, and for the first time compare these experiments on an equal footing with respect to systematic errors. We explicitly simulate near detectors for all experiments, we use the same implementation of systematic uncertainties for all experiments, and we fully correlate the uncertainties among detectors, oscillation channels, and beam polarizations as appropriate. As our primary performance indicator, we use the achievable precision in the measurement of the CP violating phase $\deltacp$. We find that a neutrino factory is the only instrument that can measure $\deltacp$ with a precision similar to that of its quark sector counterpart. All neutrino beams operating at peak energies $\gtrsim 2$ GeV are quite robust with respect to systematic uncertainties, whereas especially \bbeams and \thk suffer from large cross section uncertainties in the quasi-elastic regime, combined with their inability to measure the appearance signal cross sections at the near detector. A noteworthy exception is the combination of a $γ=100$ \bbeam with an \spl-based superbeam, in which all relevant cross sections can be measured in a self-consistent way. This provides a performance, second only to the neutrino factory. For other superbeam experiments such as \lbno and the setups studied in the context of the \lbne reconfiguration effort, statistics turns out to be the bottleneck. In almost all cases, the near detector is not critical to control systematics since the combined fit of appearance and disappearance data already constrains the impact of systematics to be small provided that the three active flavor oscillation framework is valid.
description: 35 pages, 6 figures
Evaluation of the role of T follicular cells in grass pollen-induced seasonal allergic rhinitis and following allergen-specific immunotherapy
Creators: name: Hj Awg Sharif, Hjh Hanisah
Publisher: name: Imperial College London
Year: 2020

description: T follicular helper (TFH) cells are a subset of CD4+ T cells that produce IL-4 and IL-21 and drive B cell maturation and clonal expansion into antibody-secreting plasma cells, the key to IgE-mediated allergic responses. TFH and B cell interactions are regulated by T follicular regulatory (TFR) cells. Although effective in grass pollen allergics (GPA), allergen-specific immunotherapy (AIT), administered subcutaneously (SCIT) or sublingually (SLIT) is associated with adverse events. Thus, warranting the need for alternative approaches. This thesis aims to evaluate the role of and enumerate circulating CXCR5+PD-1+ TFH cells and TFR cells in GPA, non-atopic healthy controls (NAC) and AIT-treated patients. Isolated naïve and memory B cells were stimulated with IL-4 and IL-21 to investigate their effect on germinal centre (GC) reactions, B cell class-switching and differentiation. TFH cells were shown to be distinct from TH2 and TH2A cells and capable of secreting IL-4 and IL-21. IL-4 alone promotes GC responses and B cell class-switching; and drives plasma cell differentiation and IgE+ cells in the presence of IL-21. Enumeration of TFH cell subsets in a cross-sectional study demonstrated high TFH cells in GPA compared to NAC, which was lower in SCIT and SLIT. Furthermore, TFR cells were induced in SCIT and SLIT and differential chromatin accessibility was observed in TFH and TFR cells from all groups. In a separate RDBPC study, the administration of short-course peptide immunotherapy attenuated proportion of TFH cell subsets and induced TFR cells, which persisted until the end of the grass pollen season. Additionally, in vitro stimulation study of depigmented (DPG Phl p) and DPG-polymerised (DPG-POL Phl p) depigoids, demonstrated a lower proliferation of TFH cell subsets in response to DPG-POL Phl p compared to the native protein and DPG Phl p. Collectively, these findings demonstrated the role of TFH cells in the pathomechanism of seasonal allergic rhinitis (SAR) and TFR cells induction following SCIT and SLIT, underscored by changes in the chromatin landscape. Peptide immunotherapy and polymerised depigoids are associated with modulation of TFH and TFR cells, highlighting their potential use that is safe and effective.
Brief Jodoco Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1599

description: Brief Nr. 339, auf der zweiten bis vierten Seite befinden sich die Nummern 39 und 83.
description: von [Hans Jakob vom Staal]
description: ScChreiberhand, Schluss eigenhändig
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
L. Cornelius Pusio. Kommandant der XVI. Legion in Neuss
Creators: name: Lahusen, Götz
name: Formigli, Edilberto
Publisher: name: Bonner Jahrbücher
Year: 2019

description: -
description: Bonner Jahrbücher, Bd. 190.1990(1991): Bonner Jahrbücher
title: Entwicklung eines thermischen 1D-Simulationsmodells zur Bestimmung der Temperaturverteilung in Solarmodulen
Creators: name: Grabo, Matti
name: Weber, Daniel
name: Paul, Andreas
name: Klaus, Tobias
name: Bermpohl, Wolfgang
name: Krauter, Stefan
name: Kenig, Eugeny
Publisher: name: Hochschule Nordhausen
Year: 2019
Subjects: subject: 600

description: RET.Con 2019: Tagungsband : 2. Regenerative Energietechnik-Konferenz in Nordhausen 7.-8. Februar 2019, p. 116
Brief Jodoco Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1603

description: Brief Nr. 364, auf der vierten Seite befindet sich Nr. 406.
description: von [Hans Jakob vom Staal]
description: Schreiberhand, mit gleichzeitiger, eigenhändiger Nachschrift
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
Brief Jodoco Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1599

description: von [Hans Jakob vom Staal]
description: Brief Nr. 320.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
Brief an [Jost Pfyffer]
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1602

description: von [Hans Jakob vom Staal]
description: Brief Nr. 359.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
title: PV-FeldLab – Feldlabor für Vorort-Leistungsbestimmungen und Alterungsidentifikation von Photovoltaikgeneratoren
Creators: name: Schneider, S.
name: Hüttl, B.
name: Gerstenberg, L.
name: Wesselak, V.
name: Voswinckel, S.
name: Schulze, A.
Publisher: name: Hochschule Nordhausen
Year: 2019
Subjects: subject: 600

description: RET.Con 2019: Tagungsband : 2. Regenerative Energietechnik-Konferenz in Nordhausen 7.-8. Februar 2019, p. 130
From particle systems to the Landau equation: a consistency result
Creators: name: Bobylev, Alexander V.
name: Pulvirenti, Mario
name: Saffirio, Chiara
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mathematical Physics (math-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We consider a system of N classical particles, interacting via a smooth, short- range potential, in a weak-coupling regime. This means that N tends to infinity when the interaction is suitably rescaled. The j-particle marginals, which obey to the usual BBGKY hierarchy, are decomposed into two contributions: one small but strongly oscillating, the other hopefully smooth. Eliminating the first, we arrive to establish the dynamical problem in term of a new hierarchy (for the smooth part) involving a memory term. We show that the first order correction to the free flow converges, as N \rightarrow \infty, to the corresponding term associated to the Landau equation. We also show the related propagation of chaos.
description: 21 pages
Development of a Hopkinson bar for the evaluation of novel metallic materials
Creators: name: Quinn, Robert Martin
Publisher: name: Imperial College London
Year: 2020

description: A Hopkinson bar apparatus has been developed for the evaluation of hazardous materials which incorporates novel design features. Special considerations were made for the non-ambient testing requirement, with investigations into novel means of reducing the specimen cooling rate showing some promise but ultimately being rejected in favour of design alterations that enabled the rapid automation of the testing procedure. An ex-situ approach was taken, whereby the specimen was heated externally from the bars and then brought into contact with them a fraction of a second prior to test initiation. Specimen temperature homogeneity is investigated both numerically and experimentally. It is demonstrated that for small, conductive specimens, cooling can be effectively accounted for using a novel procedure. A validation study was completed in which identical copper specimens were evaluated on this new system and, using a more conventional in-situ heated Hopkinson bar apparatus at another laboratory, where the specimen and bars are heated together. Small differences in the measured flow stress at each laboratory were predominantly attributed to differing frictional conditions, loading pulse shapes and to some unusual variation in the strain rate throughout the test. This comparison demonstrates that the newly developed Hopkinson bar with unique capabilities for evaluating hazardous materials is effective and would be made more effective with minor design alterations which are being incorporated into a later prototype. After being fully validated, the newly developed procedures were employed to evaluate novel stainless steel 316L alloys across a range of strain rates and temperatures. Experimental data was used to calibrate some common constitutive models. Model calibration was achieved by determining the model coefficients individually using isolated data sets, and then using the determined values as an initial guess for optimising the models against the entire data set using a global optimisation algorithm. The accuracy of each model was quantified.
A statistical mechanics approach to the sample deconvolution problem
Creators: name: Riedel, Nico
name: Berg, Johannes
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantitative Methods (q-bio.QM)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: Methodology (stat.ME)
subject: FOS: Biological sciences
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: In a multicellular organism different cell types express a gene in different amounts. Samples from which gene expression levels can be measured typically contain a mixture of different cell types, the resulting measurements thus give only averages over the different cell types present. Based on fluctuations in the mixture proportions from sample to sample it is in principle possible to reconstruct the underlying expression levels of each cell type: to deconvolute the sample. We use a statistical mechanics approach to the problem of deconvoluting such partial concentrations from mixed samples, give analytical results for when and how well samples can be unmixed, and suggest an algorithm for sample deconvolution.
description: 8 pages, 4 figures
Multiple path adiabatic crossing in a 3 site ring
Creators: name: Davidovich, Dotan
name: Cohen, Doron
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We find an exact expression for the current that is induced in a 3 site ring during a multiple-path adiabatic crossing. The understanding of the dynamics requires to go beyond the two-level phenomenology. In particular we highlight a prototype process, "adiabatic metamorphosis", during which current is flowing through a non-accessible site. This helps to understand the crossover from coherent non-classical splitting to stochastic noisy-alike partitioning of the current.
description: 12 pages, 5 figures, J. Phys. A accepted version
Neuroimaging of fetal cell therapy in Parkinson’s disease
Creators: name: Lao-Kaim, Nicholas Piyachati
Publisher: name: Imperial College London
Year: 2020

description: Parkinson’s disease is the second most common neurodegenerative disease characterised by the elevated formation of α-synuclein-immunopositive intraneuronal proteinaceous inclusions (Lewy pathology) and the progressive loss of neuromelanin-laden dopaminergic cells of the substantia nigra pars compacta, resulting in the loss of striatal dopaminergic terminals and emergence of cardinal motor features including bradykinesia, rigidity, tremor and postural instability. Dopaminomimetic agents provide effective symptomatic relief in the early stages of illness, yet due to the inherently progressive nature of the disease and the induction of debilitating side effects their efficacy is eventually lost. Cellular restorative strategies involving intrastriatal transplantation of human fetal ventral mesencephalic (hfVM) tissue gained traction from the early 1990’s, when several multi-disciplinary teams reported drastic motoric improvements concomitant with graft-derived dopaminergic re-innervation. However, outcomes of double-blind randomised controlled trials and the presentation of novel dyskinetic movements persisting in the “off-state” called for substantial revision of cell delivery strategies. The current thesis utilises positron emission tomography to examine the effects of hfVM implantation under the Transeuro protocol on dopaminergic ([18F]FDOPA, [11C]PE2I) and serotonergic ([11C]DASB) systems in patients with Parkinson’s disease and elucidate the neural underpinnings of its clinical impact. The main findings are; 1) implanted hfVM tissue led to increases in putamenal dopamine synthesis and storage capacity, dopamine and serotonin transporter density as compared to non-transplanted patients; 2) modification to surgical procedures provided inhomogenous and inconsistent re-innervation; 3) hfVM transplantation was associated with clinical improvements in measures of bradykinesia, rigidity and tremor; 4) graft-related changes in posterior putamenal dopamine and serotonin transporter density predicted symptomatic relief of bradykinesia and tremor; 5) heterogeneity of posterior putamenal re-innervation may impact upon potential clinical benefit; 6) graft-induced dyskinesia was associated with greater post-operative increases in dopamine transporter expression in the anterior putamen; 7) there was no evidence that graft-induced dyskinesia was related to serotonergic hyperinnervation. The novel findings presented in this thesis have major implications for cell-based restorative strategies beyond the hfVM era and will likely foster informed [re]consideration of many aspects of therapeutic delivery and trial design. For its ability to provide mechanistic insight in vivo, neuroimaging may continue to play a central role in the optimisation of future interventions.
Affine coordinates and finiteness
Creators: name: Giol, Julien
Publisher: name: arXiv
Year: 2012
Subjects: subject: Operator Algebras (math.OA)
subject: Functional Analysis (math.FA)
subject: FOS: Mathematics

description: We show that a von Neumann algebra is finite if and only if its Grassmannians are small in a certain sense related to the atlas of affine coordinates.
title: Versuchsfeld Kühlzelle
Creators: name: Stein, Diana
name: Dölz, Michael
name: Schlosser, Thomas
Publisher: name: Hochschule Nordhausen
Year: 2019
Subjects: subject: 600

description: RET.Con 2019: Tagungsband : 2. Regenerative Energietechnik-Konferenz in Nordhausen 7.-8. Februar 2019, p. 136
Brief [Jodoco] Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1599

description: von [Hans Jakob vom Staal]
description: Brief Nr. 336.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
Change of an insulator's topological properties by a Hubbard interaction
Creators: name: Araújo, Miguel A. N.
name: Castro, Eduardo V.
name: Sacramento, Pedro D.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We introduce two dimensional fermionic band models with two orbitals per lattice site, or one spinful orbital, and which have a non-zero topological Chern number that can be changed by varying the ratio of hopping parameters. A topologically non-trivial insulator is then realized if there is one fermion per site. When interactions in the framework of the Hubbard model are introduced, the effective hopping parameters are renormalized and the system's topological number can change at a certain interaction strength, $U=\bar U$, smaller than that for the Mott transition. Two different situations may then occur: either the anomalous Hall conductivity $σ_{xy}$ changes abruptly at $\bar U$, as the system undergoes a transition from one topologically non-trivial insulator to another, or the transition is through an anomalous Hall metal, and $σ_{xy}$ changes smoothly between two different quantized values as $U$ grows. Restoring time-reversal symmetry by adding spin to spinless models, the half-filled system becomes a $\mathbb{Z}_2$ topological insulator. The topological number $ν$ then changes at a critical coupling $\bar U$ and the quantized spin Hall response changes abruptly.
description: 5 pages, 3 figures
Low temperature acoustic polaron localization
Creators: name: Fantoni, Riccardo
Publisher: name: arXiv
Year: 2012
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We calculate the low temperature properties of an acoustic polaron in three dimensions in thermal equilibrium at a given temperature using a specialized path integral Monte Carlo method. In particular we find numerical evidence that the chosen Hamiltonian for the acoustic polaron describes a phase transition from a localized state to an unlocalized state for the electron as the phonons-electron coupling constant decreases. The phase transition manifests itself with a jump discontinuity in the potential energy as a function of the coupling constant. In the weak coupling regime the electron is in an extended state whereas in the strong coupling regime it is found in a self-trapped state.
description: 8 pages, 1 table, and 2 figures
Brief an [Jost Pfyffer]
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1599

description: von [Hans Jakob vom Staal]
description: Brief Nr. 332, auf der ersten bis dritten Seite befindet sich Nr. 231.
description: "Postscripta"
description: Lateinisch
description: Verzeichnung=Description=Inventaire HAN-Katalogisierungsregeln August 2016/August 2022 iho/HBr
Brief [Jodoco] Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1601

description: von [Hans Jakob vom Staal]
description: Brief Nr. 355.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
Brief [Jodoco] Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1599

description: von [Hans Jakob vom Staal]
description: Brief Nr. 329.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho
Brief [Jodoco] Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1604

description: von [Hans Jakob vom Staal]
description: Brief Nr. 370.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
title: Effizienzsteigerung von Heizgeräten im Gebäudebestand durch Absenkung der Heizkreistemperaturen mit Hilfe von Heizkörpern mit thermoelektrisch angetriebenen Ventilatoren
Creators: name: Eisenmann, Wolfgang
name: Bruder, Sascha
name: Wössner, Dirk
name: Skworzow, Vladimir
name: Agirman, Ömer
name: Henn, Jonas
Publisher: name: Hochschule Nordhausen
Year: 2019
Subjects: subject: 600

description: RET.Con 2019: Tagungsband : 2. Regenerative Energietechnik-Konferenz in Nordhausen 7.-8. Februar 2019, p. 147
Improving information filtering via network manipulation
Creators: name: Zhang, Fuguo
name: Zeng, An
Publisher: name: arXiv
Year: 2012
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Social and Information Networks (cs.SI)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Recommender system is a very promising way to address the problem of overabundant information for online users. Though the information filtering for the online commercial systems received much attention recently, almost all of the previous works are dedicated to design new algorithms and consider the user-item bipartite networks as given and constant information. However, many problems for recommender systems such as the cold-start problem (i.e. low recommendation accuracy for the small degree items) are actually due to the limitation of the underlying user-item bipartite networks. In this letter, we propose a strategy to enhance the performance of the already existing recommendation algorithms by directly manipulating the user-item bipartite networks, namely adding some virtual connections to the networks. Numerical analyses on two benchmark data sets, MovieLens and Netflix, show that our method can remarkably improve the recommendation performance. Specifically, it not only improve the recommendations accuracy (especially for the small degree items), but also help the recommender systems generate more diverse and novel recommendations.
description: 6 pages, 5 figures
title: Nutzung industrieller Abwärme - Abhängig von der zukünftigen Energienachfrage der Industriestandorte in Europa
Creators: name: Manz, Pia
Publisher: name: Hochschule Nordhausen
Year: 2019
Subjects: subject: 600

description: RET.Con 2019: Tagungsband : 2. Regenerative Energietechnik-Konferenz in Nordhausen 7.-8. Februar 2019, p. 158
Brief Jodoco Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1599

description: von [Hans Jakob vom Staal]
description: Brief Nr. 325.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
Learning In The Wild With Limited Supervision
Creators: name: Das, Rajshekhar
Publisher: name: Carnegie Mellon University
Year: 2023
Subjects: classificationCode: 90699
subject: Electrical and Electronic Engineering not elsewhere classified

description: Over the past decade, machine visual perception has experienced remarkable progress due to advancements in the field of deep learning. However, the performance of deep learning systems remain far from ideal in real-world tasks that lack large training datasets. In this thesis, we study learning under limited supervision with a focus on unsupervised domain adaptation (no labelled examples) and few-shot learning (few labelled examples). We propose adaptation schemes that can leverage prior knowledge from a large-labelled base domain and transfer it to the domain of limited supervision (target domain). We con-sider both image classification and semantic segmentation tasks in the limited supervision regime. The key findings in this thesis are as follows. In unsupervised domain adaptation, object-level adaptation is more effective than pixel-level adaptation for semantic segmentation. We propose a multi-modal objectness constraint that improves self-training based approaches for this problem. In the few-shot learning setup, full model finetuning is crucial for effective transfer when the base domain lacks sufficient diversity. We propose contrastive finetuning approach that leverages negative exemplars (distractors) to alleviate the issue of data scarcity in few-shot learning. As the size and diversity of base domain scales up, parameter efficient techniques can out-perform full-finetuning on variety of tasks including image classification and semantic segmentation. To that end, we propose expres, that augments a frozen base model with a few learnable parameters in the form of input and residual prompts and optimizes them for the few-shot task. While base domain scaling improves few-shot performance, using the right pretraining objective is equally important. We show that, compared to supervised representations, self-supervised representations are more suitable for few-shot semantic segmentation and a combination of the two achieves the best of both worlds. Through our research work, we expand the palette of adaptation techniques suitable for different scales of base domain and degrees of target domain super-vision. We show that a careful design of the adaptation method can strike a much better trade-off between performance and forgetting. On popular bench-marks for few-shot image classification and semantic segmentation, our pro-posed approaches lead to significant performance gains reducing the gap with fully supervised methods.
Additional file 1 of Enhancing GABAergic signaling ameliorates aberrant gamma oscillations of olfactory bulb in AD mouse models
Creators: name: Chen, Ming
name: Chen, Yunan
name: Huo, Qingwei
name: Wang, Lei
name: Tan, Shuyi
name: Misrani, Afzal
name: Jiang, Jinxiang
name: Chen, Jian
name: Chen, Shiyuan
name: Zhang, Jiawei
name: Tabassum, Sidra
name: Wang, Jichen
name: Chen, Xi
name: Long, Cheng
name: Yang, Li
Publisher: name: figshare
Year: 2021
Subjects: Biochemistry
Molecular Biology
Neuroscience
Pharmacology
Biological Sciences not elsewhere classified
Cancer
Mental Health

description: Additional file 1: Original Western blotting results.
Brief [Jodoco] Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1603

description: von [Hans Jakob vom Staal]
description: Brief Nr. 365.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
Bottomonia in the Quark Gluon Plasma
Creators: name: Strickland, Michael
Publisher: name: arXiv
Year: 2012
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: I review recent calculations of the suppression of bottomonium states in heavy ion collisions. A non-relativistic potential is used which is complex valued. This allows one to extract the binding energies and decay widths of the ground and excited states of bottomonium as a function of the typical plasma particle momentum and momentum-space anisotropy. The decay widths determined are used as input and integrated over space-time taking into account the dynamical evolution of the typical particle momentum and momentum-space anisotropy. The suppression of Upsilon(1s), Upsilon(2s), Upsilon(3s), chi_b1, and chi_b2 is obtained as a function of centrality, rapidity, and transverse momentum. The obtained results are compared with data from the STAR and CMS collaborations.
description: 10 pages, 5 figures; Proceedings contribution for Extreme QCD 2012, The George Washington University, DC USA
Brief Jodoco Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1599

description: von [Hans Jakob vom Staal]
description: Brief Nr. 344.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
Gerhard BINDER, P. Vergilius Maro: Aeneis. Ein Kommentar
Creators: name: Weitz, Friedemann
Publisher: name: Göttinger Forum für Altertumswissenschaft
Year: 2021

description: Rezension zu: Gerhard Binder, P. Vergilius Maro: Aeneis. Ein Kommentar. Band 1: Einlei­tung, Zentrale Themen, Literatur, Indices. Bochumer Altertumswissen­schaft­­liches Colloquium Bd. 104. Trier: WVT 2019, 430 S., EUR 49,50. ISBN: 978-3-86821-784-1 Gerhard Binder, P. Vergilius Maro: Aeneis. Ein Kommentar. Band 2: Kom­mentar zu Aeneis 1-6. Bochumer Altertumswissenschaft­liches Colloquium Bd. 105. Trier: WVT 2019, 648 S., EUR 69,50. ISBN: 978-3-86821-785-8 Gerhard Binder, P. Vergilius Maro: Aeneis. Ein Kommentar. Band 3: Kom­mentar zu Aeneis 7-12. Bochumer Altertumswissenschaft­liches Colloquium Bd. 106. Trier: WVT 2019, 682 S., EUR 72,50. ISBN: 978-3-86821-786-5
description: Göttinger Forum für Altertumswissenschaft, Bd. 24 Nr. 1 (2021): Göttinger Forum für Altertumswissenschaft
Brief Jodoco Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1599

description: von [Hans Jakob vom Staal]
description: Brief Nr. 321.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
title: Untersuchung von Potentialen zur Verbesserung der Energieeffizienz eines Kunststoff verarbeitenden Unternehmens
Creators: name: Golebniak, Philipp
Publisher: name: Hochschule Nordhausen
Year: 2019
Subjects: subject: 600

description: RET.Con 2019: Tagungsband : 2. Regenerative Energietechnik-Konferenz in Nordhausen 7.-8. Februar 2019, p. 165
title: Flexibilisierung von KWK-Anlagen für wachsende Herausforderungen einer sicheren Strom- und Wärmeversorgung
Creators: name: Wolf, J.
name: Pels Leusden, C.
name: Köhler, S.
name: Launer, J.
Publisher: name: Hochschule Nordhausen
Year: 2019
Subjects: subject: 600

description: RET.Con 2019: Tagungsband : 2. Regenerative Energietechnik-Konferenz in Nordhausen 7.-8. Februar 2019, p. 175
Drivers of zooplankton dispersal in a pond metacommunity
Creators: name: Parry, Victor
Publisher: name: Zenodo
Year: 2023

description: Dispersal success is integral to survival of species in metacommunities. For species that disperse passively like zooplankton, reliance on dispersal vectors is paramount for colonization of water bodies. Zooplankton species engage in dispersal in time (resting eggs) and space (overland). For dispersal in time, resting eggs are deposited in the sediment during adverse conditions and recolonize aquatic systems when beneficial conditions resume
description: Funding provided by: Deutsche Forschungsgemeinschaft
Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100001659
Award Number: GRK 2118
Brief Jodoco Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1602

description: von [Hans Jakob vom Staal]
description: Brief Nr. 361.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
Cross bispectra and trispectra of the non-linear integrated Sachs-Wolfe effect and the tracer galaxy density field
Creators: name: Jürgens, Gero
name: Schäfer, Björn Malte
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: In order to investigate possibilities to measure non-Gaussian signatures of the non-linear iSW effect, we study in this work the family of mixed bispectra and trispectra between the integrated Sachs-Wolfe (iSW) temperature perturbation tau and the galaxy over-density gamma. We use standard Eulerian perturbation theory restricted to tree level expansion for predicting the cosmic matter field. As expected, the spectra are found to decrease in amplitude with increasing q. The transition scale between linear domination and the scales, on which non-linearities take over, moves to larger scales with increasing number of included iSW source fields q. We derive the cumulative signal-to-noise ratios for a combination of Planck CMB data and the galaxy sample of a Euclid-like survey. Including scales down to l_max = 1000 we find sobering values of sigma = 0.83 for the mixed bispectrum and sigma = 0.19 in case of the trispectrum for q=1. For higher values of q the polyspectra and are found to be far below the detection limit.
title: Markgesteuerte Flexibilisierung der Netznutzung und netzorientierter Lastausgleich
Creators: name: Blenk, Tobias
name: Weindl, Christian
name: Hertlein, Timo-Alexander
name: Mladenovic, Ivana
Publisher: name: Hochschule Nordhausen
Year: 2019
Subjects: subject: 600

description: RET.Con 2019: Tagungsband : 2. Regenerative Energietechnik-Konferenz in Nordhausen 7.-8. Februar 2019, p. 187
title: Das Internet der Dinge (IoT) als treibende Kraft, um den Klimawandel zu stoppen
Creators: name: Karlein, Janine
Publisher: name: Hochschule Nordhausen
Year: 2019
Subjects: subject: 600

description: RET.Con 2019: Tagungsband : 2. Regenerative Energietechnik-Konferenz in Nordhausen 7.-8. Februar 2019, p. 197
title: Stones, demons, medicinal herbs, and the market: Ethnic medicine and industrial aspirations among the Qiang of Western Sichuan
Creators: name: Campinas, M
Publisher: name: London School of Hygiene & Tropical Medicine
Year: 2020

description: In global health it is commonly assumed that governments orchestrate a benevolent integration of “traditional medicine” into health systems and markets, through national policies and regulation, as in WHO’s “Traditional Medicine Strategy”. In China, rather than state orchestration, it is a healthcare market of products and services, operating within a nation-building framework, that shape “traditional medicine”. Furthermore, it is the country’s interests in developing materia medica for its domestic and export markets that are behind their long-lasting steering of the WHO’s strategy. In this thesis, I draw on my multi-sited ethnographic fieldwork to document how this development is unfolding among people of the Qiang (Ch’iang) minority in China. I show the attempts of city and town dwelling Qiang practitioners, academics, government officials and members of the pharmaceutical industry to standardise medicinal herbs and compound medicines, as well as to systematise disputed medical theories and practices. I argue that they do this, in order to articulate “Qiang medicine” as a discipline and “Qiang medicines” as products. I then contrast these efforts with the afflictions and choices of care among Qiang villagers, for whom “Qiang medicine” emerges as a foreign concept. What becomes evident is that differences in the desire and legitimacy to articulate “Qiang medicine” relate to diverging personal aspirations, professional connections and living milieus. Thus, I argue that the WHO “Traditional Medicine Strategy” and China’s “Chinese Medicine Law” predominantly favour the agendas of urban dwelling actors. These attempt to articulate “traditional” ethnic medicine and medicines by mirroring a scientised and state-sponsored contemporary Chinese medicine, for markets that are ultimately destined to cater for an ethnic Han majority. Ethnicity and medicine thus converge to serve a particular market dynamic. Such healthcare marketisation is embedded in a socio-political context that is specific to China, but relevant worldwide.
title: Natürlich, endlos, frei – Sonnenenergie als Alternative zur Atomkraft
Creators: name: Spessert, Bruno
Publisher: name: Hochschule Nordhausen
Year: 2020
Subjects: subject: 600

description: RET.Con 2020: Tagungsband : 3. Regenerative Energietechnik-Konferenz in Nordhausen 13.-14. Februar 2020, p. 7
Brief Jodoco Pfiffero
Creators: name: Staal, Hans Jakob von
Publisher: name: [s.n.]
Year: 1599

description: von [Hans Jakob vom Staal]
description: Brief Nr. 335.
description: Lateinisch
description: Verzeichnung=Description=Inventaire August 2016/August 2022 HAN-Katalogisierungsregeln iho/HBr
Hirota equation and the quantum plane
Creators: name: Doliwa, Adam
Publisher: name: arXiv
Year: 2012
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences

description: We discuss geometric integrability of Hirota's discrete KP equation in the framework of projective geometry over division rings using the recently introduced notion of Desargues maps. We also present the Darboux-type transformations, and we review symmetries of the Desargues maps from the point of view of root lattices of type A and the action of the corresponding affine Weyl group. Such a point of view facilities to study the relation of Desargues maps and the discrete conjugate nets. Recent investigation of geometric integrability of Desargues maps allowed to introduce two maps satisfying functional pentagon equation. Moreover, the ultra-locality requirement imposed on the maps leads to Weyl commutation relations. We show that the pentagonal property of the maps allows to define a coproduct in the quantum plane bi-algebra, which can be extended to the corresponding Hopf algebra.
description: 19 pages, 9 figures; added references with relevant comments (v2)
title: Kommunale LED-Straßenbeleuchtung - Erfahrungen aus über 50 Straßenbeleuchtungsberatungen bei Thüringer Kommunen
Creators: name: Kuhlmey, Frank
name: Schenk, Michael
Publisher: name: Hochschule Nordhausen
Year: 2020
Subjects: subject: 600

description: RET.Con 2020: Tagungsband : 3. Regenerative Energietechnik-Konferenz in Nordhausen 13.-14. Februar 2020, p. 17
title: Equitable Faculty Evaluation Practices
Creators: name: Mitchneck, Beth
name: Misra, Joya
Publisher: name: University of Massachusetts Amherst
Year: 2023

description: Faculty evaluation is central to universities, but many strategies for evaluating faculty reflect gender and racial biases. These biases in evaluation help explain the lack of progress most academic institutions have made toward greater representation and inclusion. This makes it urgent for universities to create more equitable review procedures.

It is also important to remember that faculty evaluation is a continual process, and not simply a set of discrete, formal, evaluative events. Thus, to improve evaluation of faculty, we need to target how we evaluate faculty in formal and informal ways. The good news is that relatively simple changes in process and practice can enhance equity and inclusion in faculty evaluation.