cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
CleanUNet 2: A Hybrid Speech Denoising Model on Waveform and Spectrogram
Creators: name: Kong, Zhifeng
name: Ping, Wei
name: Dantrey, Ambrish
name: Catanzaro, Bryan
Publisher: name: arXiv
Year: 2023
Subjects: subject: Machine Learning (cs.LG)
subject: Sound (cs.SD)
subject: Audio and Speech Processing (eess.AS)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: In this work, we present CleanUNet 2, a speech denoising model that combines the advantages of waveform denoiser and spectrogram denoiser and achieves the best of both worlds. CleanUNet 2 uses a two-stage framework inspired by popular speech synthesis methods that consist of a waveform model and a spectrogram model. Specifically, CleanUNet 2 builds upon CleanUNet, the state-of-the-art waveform denoiser, and further boosts its performance by taking predicted spectrograms from a spectrogram denoiser as the input. We demonstrate that CleanUNet 2 outperforms previous methods in terms of various objective and subjective evaluations.
description: INTERSPEECH 2023
title: Democratisation in the Democratic Republic of the Congo: a comparative study of the 2006, 2011 and 2018 presidential elections
Creators: name: Mulumba, ATT
Publisher: name: University of Tasmania
Year: 2021

description: Democratisation in developing countries, especially in Africa, remains an incomplete and, in many cases, elusive project. The literature on democratisation is vast and there are many different possible understandings of the term and the process. This thesis builds on the work of Huntington, Dahl, Schmitter, Rustow and to some extent Lindberg to develop an analytic framework to investigate one critical dimension of democratisation: electoral democratisation. While there are many possible criteria one could employ in examining processes of democratisation, this thesis focuses on its electoral components and on the degree to which these exhibit accountability, transparency and the rule of law. The thesis employs the single case study methodology, the case of the Democratic Republic of Congo (DRC), and qualitative research methods (academic and ‘grey’ literature review) supplemented by media reports, to gather data on the 2006, 2011 and 2018 presidential elections. The focus on the DRC is justified because of its regional importance and its regular holding of elections, which are a critical feature of any meaningful conception of democratisation. Given its pre-colonial, colonial and post-colonial struggles, the DRC also constitutes a ‘difficult case’: If democratisation is possible in the DRC, it is likely to be possible elsewhere in Africa since few other African countries have been at the centre of so much inter-ethnic violence and warfare. The thesis findings are twofold. Firstly, considering the anti-democratic environment from which DRC emerged, the 2006, 2011 and 2018 elections all demonstrate signs of progress towards democratisation in terms of greater accountability, transparency, and the rule of law. However, secondly, even though there were progressive improvements based on the three criteria employed and across the three elections analysed, these are judged to fall well short of the minimum required to deliver credible elections. Thus, the rise of multiparty and electoral politics in the DRC has failed to result in the consolidation of meaningful electoral democracy. On this second point, the study found extensive evidence of a lack of accountability and transparency from key electoral institutions and actors as well as frequent violations of civic rights, which were targeted at repressing political expression. These findings also highlight the need to improve the quality of DRC’s key electoral institutions to drive significant electoral reforms and to strengthen state capacity for a promising democratic future. This thesis highlights both the importance of, and difficulty in, achieving democratisation through electoral means in the absence of a wider culture of democratisation within a country. In the absence of a democratic culture fostered through education, strong national institutions, and political leadership, elections merely legitimise the status quo.
Analyzing Evolving Stories in News Articles
Creators: name: Barranco, Roberto Camacho
name: Boedihardjo, Arnold P.
name: Hossain, M. Shahriar
Publisher: name: arXiv
Year: 2017
Subjects: subject: Information Retrieval (cs.IR)
subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: There is an overwhelming number of news articles published every day around the globe. Following the evolution of a news-story is a difficult task given that there is no such mechanism available to track back in time to study the diffusion of the relevant events in digital news feeds. The techniques developed so far to extract meaningful information from a massive corpus rely on similarity search, which results in a myopic loopback to the same topic without providing the needed insights to hypothesize the origin of a story that may be completely different than the news today. In this paper, we present an algorithm that mines historical data to detect the origin of an event, segments the timeline into disjoint groups of coherent news articles, and outlines the most important documents in a timeline with a soft probability to provide a better understanding of the evolution of a story. Qualitative and quantitative approaches to evaluate our framework demonstrate that our algorithm discovers statistically significant and meaningful stories in reasonable time. Additionally, a relevant case study on a set of news articles demonstrates that the generated output of the algorithm holds the promise to aid prediction of future entities in a story.
description: This is a pre-print of an article published in the International Journal of Data Science and Analytics. The final authenticated version is available online at: https://doi.org/10.1007/s41060-017-0091-9
Better Identifying and Addressing Diverse Issues in mHealth and Emerging Apps
Creators: name: HAGGAG, OMAR MEDHAT MOHAMED EZZELDIN
Publisher: name: Monash University
Year: 2023
Subjects: classificationCode: 461202
subject: Empirical software engineering

description: mHealth and emerging apps are significantly important and should be accessible to everyone regardless of their age, gender, culture, etc. since they are improving and saving lives. After extracting, translating, analysing, and classifying over 6 million user reviews of these apps into different aspects, we were able to identify and better understand the wide variety of significant issues and problems that mHealth and emerging app users have reported in their user reviews. We developed some analysis and recommendation tools to assist mHealth and emerging app developers and designers in foreseeing and avoiding software and design issues before releasing their apps to mobile users.
Scalable Twin Neural Networks for Classification of Unbalanced Data
Creators: name: Jayadeva
name: Pant, Himanshu
name: Soman, Sumit
name: Sharma, Mayank
Publisher: name: arXiv
Year: 2017
Subjects: subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences
subject: 68T05, 68T10, 68Q32

description: Twin Support Vector Machines (TWSVMs) have emerged an efficient alternative to Support Vector Machines (SVM) for learning from imbalanced datasets. The TWSVM learns two non-parallel classifying hyperplanes by solving a couple of smaller sized problems. However, it is unsuitable for large datasets, as it involves matrix operations. In this paper, we discuss a Twin Neural Network (Twin NN) architecture for learning from large unbalanced datasets. The Twin NN also learns an optimal feature map, allowing for better discrimination between classes. We also present an extension of this network architecture for multiclass datasets. Results presented in the paper demonstrate that the Twin NN generalizes well and scales well on large unbalanced datasets.
description: 20 pages, 8 figures, 14 tables
(501666) James Duncan Ferguson
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Characteristics of the Mott transition and electronic states of high-temperature cuprate superconductors from the perspective of the Hubbard model
Creators: name: Kohno, Masanori
Publisher: name: arXiv
Year: 2023
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: A fundamental issue of the Mott transition is how electrons behaving as single particles carrying spin and charge in a metal change into those exhibiting separated spin and charge excitations (low-energy spin excitation and high-energy charge excitation) in a Mott insulator. This issue has attracted considerable attention particularly in relation to high-temperature cuprate superconductors, which exhibit electronic states near the Mott transition that are difficult to explain in conventional pictures. Here, from a new viewpoint of the Mott transition based on analyses of the Hubbard model, we review anomalous features observed in high-temperature cuprate superconductors near the Mott transition.
description: 12 pages, 6 figures
Investigating the Influence of Personality and Motivation on Requirements Engineering-related Activities
Creators: name: HIDELLAARACHCHI, DULAJI DINUPAMA
Publisher: name: Monash University
Year: 2023
Subjects: classificationCode: 461205
subject: Requirements engineering

description: Requirements Engineering (RE) is vital for quality software and involves eliciting, defining, documenting, and maintaining requirements. It relies on human collaboration between roles in software engineering, making it highly human-dependent. Identifying how “human aspects”– such as personality, motivation, emotions, communication, gender, and culture impact RE can aid in successful software project outcomes. This thesis examines the influence of personality and motivation of software practitioners and their impact on conducting successful RE by using both qualitative and quantitative approaches, providing knowledge for both academia and industry while providing numerous recommendations for future research on the impact of human aspects on RE.
Counting Independent Sets in Graphs of Hyperplane Arrangements
Creators: name: Guo, Nicholas
name: Yue, Guangyi
Publisher: name: arXiv
Year: 2016
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: In this paper, we count the number of independent sets of a type of graph $G(\mathcal{A},q)$ associated to some hyperplane arrangement $\mathcal{A}$, which is a generalization of the construction of graphical arrangements. We show that when the parameters of $\mathcal{A}$ satisfy certain conditions, the number of independent sets of the disjoint union $G(\mathcal{A},q_1)\cup\cdots\cup G(\mathcal{A},q_s)$ depends only on the coefficients of $\mathcal{A}$ and the total number of vertices $\sum_i q_i$ when $q_i$'s are powers of large enough prime numbers. In addition it is independent of the coefficients as long as $\mathcal{A}$ is central and the coefficients are multiplicatively independent.
description: Accepted by Discrete Mathematics
Atomic Norm Minimization for Modal Analysis from Random and Compressed Samples
Creators: name: Li, Shuang
name: Yang, Dehui
name: Tang, Gongguo
name: Wakin, Michael B.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: Modal analysis is the process of estimating a system's modal parameters such as its natural frequencies and mode shapes. One application of modal analysis is in structural health monitoring (SHM), where a network of sensors may be used to collect vibration data from a physical structure such as a building or bridge. There is a growing interest in developing automated techniques for SHM based on data collected in a wireless sensor network. In order to conserve power and extend battery life, however, it is desirable to minimize the amount of data that must be collected and transmitted in such a sensor network. In this paper, we highlight the fact that modal analysis can be formulated as an atomic norm minimization (ANM) problem, which can be solved efficiently and in some cases recover perfectly a structure's mode shapes and frequencies. We survey a broad class of sampling and compression strategies that one might consider in a physical sensor network, and we provide bounds on the sample complexity of these compressive schemes in order to recover a structure's mode shapes and frequencies via ANM. A main contribution of our paper is to establish a bound on the sample complexity of modal analysis with random temporal compression, and in this scenario we prove that the samples per sensor can actually decrease as the number of sensors increases. We also extend an atomic norm denoising problem to the multiple measurement vector (MMV) setting in the case of uniform sampling.
Privacy Technologies in Genomic Data with Consent: Investigation, Design and Analysis
Creators: name: JAFARBEIKI, SARA
Publisher: name: Monash University
Year: 2023
Subjects: classificationCode: 460402
subject: Data and information privacy
classificationCode: 460403
subject: Data security and protection
classificationCode: 460401
subject: Cryptography

description: This thesis focuses on addressing privacy and security risks associated with genomic data by proposing models and methods that enable private and secure storage, processing, and querying genomic data using cryptography and consent-based access control features. The proposed models and methods provide practical solutions to the challenges of securely performing queries on outsourced genomic data in an encrypted form, ensuring privacy, security, and maintaining the ownership of data and consent. This research offers these approaches to securely handling genomic data, which is increasingly available due to advancements in DNA sequencing technology.
title: The Arab Social Sciences (ASS) Bibliographic Database in Zotero - Instructions for Contributors
Creators: name: Ferrand, Antoinette
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2025
Subjects: subject: Social Science
subject: Middle East
subject: Arab Sociology
subject: Bibliography

description: The ASS Group Library is on open-access on Zotero, but its enrichment is limited to administrator members only. Researchers who wish to make a serious contribution to this database can ask for membership. If so, here are few guidelines.
Relativistic wide-angle galaxy bispectrum on the light-cone
Creators: name: Bertacca, Daniele
name: Raccanelli, Alvise
name: Bartolo, Nicola
name: Liguori, Michele
name: Matarrese, Sabino
name: Verde, Licia
Publisher: name: arXiv
Year: 2017
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Given the important role that the galaxy bispectrum has recently acquired in cosmology and the scale and precision of forthcoming galaxy clustering observations, it is timely to derive the full expression of the large-scale bispectrum going beyond approximated treatments which neglect integrated terms or higher-order bias terms or use the Limber approximation. On cosmological scales, relativistic effects that arise from observing on the past light-cone alter the observed galaxy number counts, therefore leaving their imprints on N-point correlators at all orders. In this paper we compute for the first time the bispectrum including all general relativistic, local and integrated, effects at second order, the tracers' bias at second order, geometric effects as well as the primordial non-Gaussianity contribution. This is timely considering that future surveys will probe scales comparable to the horizon where approximations widely used currently may not hold; neglecting these effects may introduce biases in estimation of cosmological parameters as well as primordial non-Gaussianity.
description: 68 pages, no figures. Typos corrected; Added References; Minor corrections. Version accepted by Physical Review D
RGB-Guided Resolution Enhancement of IR Images
Creators: name: Trammer, Marcel
name: Genser, Nils
name: Seiler, Jürgen
Publisher: name: arXiv
Year: 2023
Subjects: subject: Image and Video Processing (eess.IV)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: This paper introduces a novel method for RGB-Guided Resolution Enhancement of infrared (IR) images called Guided IR Resolution Enhancement (GIRRE). In the area of single image super resolution (SISR) there exists a wide variety of algorithms like interpolation methods or neural networks to improve the spatial resolution of images. In contrast to SISR, even more information can be gathered on the recorded scene when using multiple cameras. In our setup, we are dealing with multi image super resolution, especially with stereo super resolution. We consider a color camera and an IR camera. Current IR sensors have a very low resolution compared to color sensors so that recent color sensors take up 100 times more pixels than IR sensors. To this end, GIRRE increases the spatial resolution of the low-resolution IR image. After that, the upscaled image is filtered with the aid of the high-resolution color image. We show that our method achieves an average PSNR gain of 1.2 dB and at best up to 1.8 dB compared to state-of-the-art methods, which is visually noticeable.
Mother Stuff: finding a museology of mothering
Creators: name: LOUISE-CLARKE, REBECCA
Publisher: name: Monash University
Year: 2023
Subjects: classificationCode: 440501
subject: Feminist and queer theory
classificationCode: 430202
subject: Critical heritage, museum and archive studies
classificationCode: 360503
subject: Digital and electronic media art

description: To address the problem of the invisibility of motherhood in museums, I propose a manifesto for what I call a "museology of mothering," a set of curatorial design principles that provide innovative practices to free representations of motherhood from clichéd paradigms. My blueprint for a museology of mothering imagines what a museum that articulates maternal subjectivities might look and sound like. My exploration is informed by my own practice as a curator and my curatorial design experiments with digital technologies including: Virtual Reality (VR), Motion Graphics and Sound Design. Drawing on insights from my personal experiences as a mother, and local and international case studies of experimental museology and maternal art practice, I imagine a radical museum that engages with maternal objects (or “stuff”).
TSSAT: Two-Stage Statistics-Aware Transformation for Artistic Style Transfer
Creators: name: Chen, Haibo
name: Zhao, Lei
name: Li, Jun
name: Yang, Jian
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Artistic style transfer aims to create new artistic images by rendering a given photograph with the target artistic style. Existing methods learn styles simply based on global statistics or local patches, lacking careful consideration of the drawing process in practice. Consequently, the stylization results either fail to capture abundant and diversified local style patterns, or contain undesired semantic information of the style image and deviate from the global style distribution. To address this issue, we imitate the drawing process of humans and propose a Two-Stage Statistics-Aware Transformation (TSSAT) module, which first builds the global style foundation by aligning the global statistics of content and style features and then further enriches local style details by swapping the local statistics (instead of local features) in a patch-wise manner, significantly improving the stylization effects. Moreover, to further enhance both content and style representations, we introduce two novel losses: an attention-based content loss and a patch-based style loss, where the former enables better content preservation by enforcing the semantic relation in the content image to be retained during stylization, and the latter focuses on increasing the local style similarity between the style and stylized images. Extensive qualitative and quantitative experiments verify the effectiveness of our method.
description: Accepted by ACM MM 2023
Testing parity-violating physics from cosmic rotation power reconstruction
Creators: name: Namikawa, Toshiya
Publisher: name: arXiv
Year: 2016
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the reconstruction of the cosmic rotation power spectrum produced by parity-violating physics, with an eye to ongoing and near future cosmic microwave background (CMB) experiments such as BICEP Array, CMBS4, LiteBIRD and Simons Observatory. In addition to the inflationary gravitational waves and gravitational lensing, measurements of other various effects on CMB polarization open new window into the early Universe. One of these is anisotropies of the cosmic polarization rotation which probes the Chern-Simons term generally predicted by string theory. The anisotropies of the cosmic rotation are also generated by the primordial magnetism and in the Standard Model extention framework. The cosmic rotation anisotropies can be reconstructed as quadratic in CMB anisotropies. However, the power of the reconstructed cosmic rotation is a CMB four-point correlation and is not directly related to the cosmic-rotation power spectrum. Understanding all contributions in the four-point correlation is required to extract the cosmic rotation signal. Assuming a scale-invariant rotation spectrum motivated by the inflationary cosmic-rotation models, we employ simulation to quantify each contribution to the four-point correlation and find that (1) a secondary contraction of the trispectrum increases the total signal-to-noise, (2) a bias from the lensing-induced trispectrum is significant compared to the statistical errors in, e.g., LiteBIRD and CMBS4-like experiments, (3) the use of a realization-dependent estimator decreases the statistical errors by 10%-20%, depending on experimental specifications, and (4) other higher-order contributions are negligible at least for near future experiments.
description: 10 pages, 6 figures, minor typo corrected
Radical Recordkeeping — Re-thinking Archival Appraisal
Creators: name: JARVIE, KATHERINE JOHANNA
Publisher: name: Monash University
Year: 2023
Subjects: classificationCode: 430201
subject: Archival, repository and related studies

description: Animal activists use eyewitness evidence shared on digital infrastructure to expose animal cruelty. However, cloud platforms that host activist records can threaten their longevity and community control. This research explores the concept of "radical recordkeeping" to understand how activists disrupt established norms. This thesis examines how activists appraise, memorialise and archive their records online, focussing on a case study of Direct Action Everywhere (DxE), a grassroots animal liberation group based in the USA. The research proposes a Critical Functional Appraisal (CFA) framework, a community-centric appraisal tool to support activist-led decision-making and secured narratives over time. The research aims to transform inequitable archival structures and progress theory and practice for the participatory archives movement.
(501667) Lucy Jane Ferguson
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
$0^{+}$ tetraquark states from improved QCD sum rules: delving into $X(5568)$
Creators: name: Zhang, Jian-Rong
name: Zou, Jing-Lan
name: Wu, Jin-Yun
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: In order to investigate the possibility of the recently observed $X(5568)$ being a $0^{+}$ tetraquark state, we make an improvement to the study of the related various configuration states in the framework of the QCD sum rules. Particularly, to ensure the quality of the analysis, condensates up to dimension $12$ are included to inspect the convergence of operator product expansion (OPE) and improve the final results of the studied states. We note that some condensate contributions could play an important role on the OPE side. By releasing the rigid OPE convergence criterion, we arrive at the numerical value $5.57^{+0.35}_{-0.23}~\mbox{GeV}$ for the scalar-scalar diquark-antidiquark $0^{+}$ state, which agrees with the experimental data for the $X(5568)$ and could support its interpretation in terms of a $0^{+}$ tetraquark state with the scalar-scalar configuration. The corresponding result for the axial-axial current is calculated to be $5.77^{+0.44}_{-0.33}~\mbox{GeV}$, which is still consistent with the mass of $X(5568)$ in view of the uncertainty. The feasibility of $X(5568)$ being a tetraquark state with the axial-axial configuration therefore cannot be definitely excluded. For the pseudoscalar-pseudoscalar and the vector-vector cases, their unsatisfactory OPE convergence make it difficult to find reasonable work windows to extract the hadronic information.
description: 14 pages, 8 figures
The Limits of Haptic Retargeting in Virtual Reality
Creators: name: CLARENCE, ALDRICH
Publisher: name: Monash University
Year: 2023
Subjects: classificationCode: 460806
subject: Human-computer interaction
classificationCode: 460708
subject: Virtual and mixed reality

description: Haptics completes the multisensory experience of Virtual Reality. Haptic retargeting enables an everyday physical object to serve as a haptic proxy for multiple virtual objects by leveraging perceptual illusions. However, a primary challenge is avoiding user detection of haptic retargeting when the applied perceptual illusion increases. This thesis explores the practical viability of haptic retargeting by demonstrating different design possibilities and evaluating them through user studies. This thesis showcases the limits of haptic retargeting and uses this knowledge to propose viable haptic design considerations to enable the use of everyday physical objects.
Collective excitations of self-bound droplets of a dipolar quantum fluid
Creators: name: Baillie, D.
name: Wilson, R. M.
name: Blakie, P. B.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We calculate the collective excitations of a dipolar Bose-Einstein condensate in the regime where it self-binds into droplets stabilized by quantum fluctuations. We show that the filament-shaped droplets act as a quasi-one-dimensional waveguide along which low angular momentum phonons propagate. The evaporation (unbinding) threshold occurring as the atom number $N$ is reduced to the critical value $N_c$ is associated with a monopole-like excitation going soft as $ε_0\sim(N-N_c)^{1/4}$. Considering the system in the presence of a trapping potential, we quantify the crossover from a trap-bound condensate to a self-bound droplet.
description: 5 pages, 3 figures
The Swift-Hohenberg equation on conic manifolds
Creators: name: Roidos, Nikolaos
Publisher: name: arXiv
Year: 2016
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35K65, 35K90, 35K91, 35R01

description: We consider the Swift-Hohenberg equation on manifolds with conical singularities and show existence, uniqueness and maximal regularity of the short time solution in terms of Mellin-Sobolev spaces. Moreover, we give a necessary and sufficient condition so that the above solution exists for all times. Space asymptotic expansion of the solution near the singularity is also provided and its relation to the local geometry is shown. The same problem is considered on closed manifolds and similar results are obtained by using the above singular analysis theory.
description: 15 pages
Dark matter repulsion could thwart direct detection
Creators: name: Davoudiasl, Hooman
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We consider a feeble repulsive interaction between ordinary matter and dark matter, with a range similar to or larger than the size of the Earth. Dark matter can thus be repelled from the Earth, leading to null results in direct detection experiments, regardless of the strength of the short-distance interactions of dark matter with atoms. Generically, such a repulsive force would not allow trapping of dark matter inside astronomical bodies. In this scenario, accelerator-based experiments may furnish the only robust signals of asymmetric dark matter models, which typically lack indirect signals from self-annihilation. Some of the variants of our hypothesis are also briefly discussed.
description: Revtex 4, 6 pages, version published in PRD
Analytics of Communicative Patterns in Educational Feedback
Creators: name: LIN, JIONGHAO
Publisher: name: Monash University
Year: 2023
Subjects: classificationCode: 460208
subject: Natural language processing
classificationCode: 390408
subject: Learning analytics
classificationCode: 460502
subject: Data mining and knowledge discovery

description: This PhD thesis explored communicative patterns in educational feedback which is an effective method for supporting learners' academic performance. The thesis proposed state-of-the-art algorithms to investigate communicative patterns in online human-human tutoring dialogues and written feedback. The thesis identified effective communicative patterns involving the expression of politeness and delivery of instructional strategies in the online tutoring dialogues, proposed and evaluated the methods to improve the automated analysis of online tutoring dialogues, and proposed a novel method for automatic analysis of the quality of written feedback. Overall, this PhD thesis contributed to the understanding of effective communication in educational feedback and provided insights for improving feedback practices.
Spin liquid mediated RKKY interaction
Creators: name: Legg, H. F.
name: Braunecker, Bernd
Publisher: name: arXiv
Year: 2016
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We propose an RKKY-type interaction that is mediated by a spin liquid. If a spin liquid ground state exists such an interaction could leave a fingerprint by ordering underlying localized moments such as nuclear spins. This interaction has a unique phenomenology that is distinct from the RKKY interaction found in fermionic systems; most notably the lack of a Fermi surface and absence of the requirement for itinerant electrons, since most spin liquids are insulators. As a working example we investigate the two-dimensional spin-1/2 kagome antiferromagnet (KAFM), although the treatment remains general and can be extended to other spin liquids and dimensions. We find that several different nuclear spin orderings minimize the RKKY-type energy induced by the KAFM but are unstable due to a zero-energy flat magnon band. Despite this we show that a small magnetic field is able to gap out this magnon spectrum for some of the orderings resulting in an intricate nuclear magnetism.
description: Published in Scientific Reports. 13 pages, 6 figures. Supplementary material available (see journal reference)
Finite lifespan of solutions of the semilinear wave equation in the Einstein-de Sitter spacetime
Creators: name: Galstian, Anahit
name: Yagdjian, Karen
Publisher: name: arXiv
Year: 2016
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We examine the solutions of the semilinear wave equation, and, in particular, of the $φ^p$ model of quantum field theory in the curved space-time. More exactly, for $1< p<4$ we prove that solution of the massless self-interacting scalar field equation in the Einstein-de Sitter universe has finite lifespan.
description: Reviews in Mathematical Physics in press
Training Automatic Test Oracles to Identify Semantic Bugs
Creators: name: Kapugamawasangamagedon, Charaka Geethal Kapugama
Publisher: name: Monash University
Year: 2023
Subjects: classificationCode: 461208
subject: Software testing, verification and validation

description: When a program produces incorrect or unexpected outputs for certain inputs without being crashed, there exists a semantic bug in the program. For example, assume a calculator that incorrectly says 2+2=5 (instead of 4) while performing the other mathematical operations correctly. Only a human who knows expected behaviour can detect this type of bug in most scenarios. This thesis mainly focuses on developing learning techniques to produce automated models called test oracles to identify test failures under a semantic bug. Moreover, it explores how to use this learning process to automatically fix a semantic bug.
(501668) George Hansom Ferguson
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
(501669) Margaret Dawson
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Two-photon exchange interaction from Dicke Hamiltonian under parametric modulation
Creators: name: Dodonov, A. V.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We consider the nonstationary circuit QED architecture in which a single-mode cavity interacts with N>1 identical qubits, and some system parameters undergo a weak external perturbation. It is shown that in the dispersive regime one can engineer the two-photon exchange interaction by adjusting the frequency of harmonic modulation to (approximately) $2|Δ_{-}|$, where $Δ_{-}$ is the average atom--field detuning. Closed analytic description is derived for the weak atom-field coupling regime, and numeric simulations indicate that the phenomenon can be observed in the present setups.
description: 7 pages, 4 figures
Energy-Aware Federated Learning with Distributed User Sampling and Multichannel ALOHA
Creators: name: da Silva, Rafael Valente
name: López, Onel L. Alcaraz
name: Souza, Richard Demo
Publisher: name: arXiv
Year: 2023
Subjects: subject: Signal Processing (eess.SP)
subject: Information Theory (cs.IT)
subject: Machine Learning (cs.LG)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: Distributed learning on edge devices has attracted increased attention with the advent of federated learning (FL). Notably, edge devices often have limited battery and heterogeneous energy availability, while multiple rounds are required in FL for convergence, intensifying the need for energy efficiency. Energy depletion may hinder the training process and the efficient utilization of the trained model. To solve these problems, this letter considers the integration of energy harvesting (EH) devices into a FL network with multi-channel ALOHA, while proposing a method to ensure both low energy outage probability and successful execution of future tasks. Numerical results demonstrate the effectiveness of this method, particularly in critical setups where the average energy income fails to cover the iteration cost. The method outperforms a norm based solution in terms of convergence time and battery level.
Demystifying security and compatibility issues in Android Apps
Creators: name: SUN, XIAOYU
Publisher: name: Monash University
Year: 2023
Subjects: classificationCode: 460406
subject: Software and application security

description: Even though the Android OS offers powerful communication and application execution capabilities, it is riddled with defects (e.g., security risks, and compatibility issues), new vulnerabilities come to light daily, and bugs cost the economy tens of billions of dollars annually. To counteract these threats, this thesis presents automatic tools tailor for detecting security and compatibility issues in Android applications.
Heavy-tailed configuration models at criticality
Creators: name: Dhara, Souvik
name: van der Hofstad, Remco
name: van Leeuwaarden, Johan S. H.
name: Sen, Sanchayan
Publisher: name: arXiv
Year: 2016
Subjects: subject: Probability (math.PR)
subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: We study the critical behavior of the component sizes for the configuration model when the tail of the degree distribution of a randomly chosen vertex is a regularly-varying function with exponent $τ-1$, where $τ\in (3,4)$. The component sizes are shown to be of the order $n^{(τ-2)/(τ-1)}L(n)^{-1}$ for some slowly-varying function $L(\cdot)$. We show that the re-scaled ordered component sizes converge in distribution to the ordered excursions of a thinned Lévy process. This proves that the scaling limits for the component sizes for these heavy-tailed configuration models are in a different universality class compared to the Erdős-Rényi random graphs. Also the joint re-scaled vector of ordered component sizes and their surplus edges is shown to have a distributional limit under a strong topology. Our proof resolves a conjecture by Joseph, Ann. Appl. Probab. (2014) about the scaling limits of uniform simple graphs with i.i.d degrees in the critical window, and sheds light on the relation between the scaling limits obtained by Joseph and in this paper, which appear to be quite different. Further, we use percolation to study the evolution of the component sizes and the surplus edges within the critical scaling window, which is shown to converge in finite dimension to the augmented multiplicative coalescent process introduced by Bhamidi et. al., Probab. Theory Related Fields (2014). The main results of this paper are proved under rather general assumptions on the vertex degrees. We also discuss how these assumptions are satisfied by some of the frameworks that have been studied previously.
description: 43 pages, revision of the paper
Fast resolving Galactic binaries in LISA data and its ability to study the Milky Way
Creators: name: Gao, Pin
name: Fan, Xi-Long
name: Cao, Zhou-Jian
name: Zhang, Xue-Hao
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Resolving individual gravitational waves from tens of millions of double white dwarf (DWD) binaries in the Milky Way is a challenge for future space-based gravitational wave detection programs. By using previous data to define the priors for the next search, we propose an accelerated approach of searching the DWD binaries and demonstrate its efficiency based on the GBSIEVER detection pipeline. Compared to the traditional GBSIEVER method, our method can obtain $\sim 50\%$ of sources with 2.5\% of the searching time for LDC1-4 data. In addition, we find that both methods have a similar ability to detect the Milky Way structure by their confirmed sources. The relative error of distance and chirp mass is about 20\% for DWD binaries whose gravitational wave frequency is higher than $4\times10^{-3}$ Hz, even if they are close to the Galactic center. Finally, we propose a signal-to-noise ratio (SNR) threshold for LISA to confirm the detection of DWD binaries. The threshold should be 16 when the gravitational wave frequency is lower than $4\times10^{-3}$ Hz and 9 when the frequency range is from $4\times10^{-3}$ Hz to $1.5\times10^{-2}$ Hz.
description: 16 pages, 19 figures
(501670) William Henry Tuckwell
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Four-Dimensional Painlevé-Type Equations Associated with Ramified Linear Equations III: Garnier Systems and Fuji-Suzuki Systems
Creators: name: Kawakami, Hiroshi
Publisher: name: arXiv
Year: 2017
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics

description: This is the last part of a series of three papers entitled "Four-dimensional Painlevé-type equations associated with ramified linear equations". In this series of papers we aim to construct the complete degeneration scheme of four-dimensional Painlevé-type equations. In the present paper, we consider the degeneration of the Garnier system in two variables and the Fuji-Suzuki system.
Neutrinos and Heavy Element Nucleosynthesis
Creators: name: Wang, Xilu
name: Surman, Rebecca
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: This chapter discusses three nucleosynthesis processes involved in producing heavy nuclei beyond the iron group that are influenced or shaped by neutrino interactions: the v process, the vp process and the r process. These processes are all related to explosive events involving compact objects, such as core-collapse supernovae and binary neutron star mergers, where an abundant amount of neutrinos are emitted. The interactions of the neutrinos with nucleons and nuclei through both charged-current and neutral-current reactions play a crucial role in the nucleosynthesis processes. During the propagation of neutrinos inside the nucleosynthesis sites, neutrinos may undergo flavor oscillations that can also potentially affect the nucleosynthesis yields. Here we provide a general overview of the possible effects of neutrinos and neutrino flavor conversions on these three heavy-element nucleosynthesis processes.
title: Putting decentralisation policy into practice in Uganda : a participatory action research study of local government empowerment for local economic development
Creators: name: Lubuulwa, KB
Publisher: name: University of Tasmania
Year: 2021

description: Chronic political instability and erratic economic management in most African countries since the implementation of self-rule in the 1950s has produced a record of persistent economic decline. This general problem of stalled African development has been linked to poor governance, a key proposed solution being political, administrative and/or financial decentralisation to empower communities to foster local economic development (LED). This thesis investigates the effectiveness of the decentralised governance approach. Combining a qualitative social science approach with the Participatory Action Research (PAR) methodology, the study analyses the experience of decentralisation in two Ugandan communities from the perspective of those directly affected by it. Through PAR, it aimed to empower local government officials to obtain better outcomes for their communities by adopting a cycle of planning, action and reflection on the structure and operation of decentralisation policies and procedures. The research methods employed also included literature review of decentralised governance in pre- and post-colonial Uganda and content analysis of governmental and non-governmental organisation documents, supported by interviews, council meetings, and workshops with local governmental officials, with observation of local government practices. The study found that decentralisation as currently practiced leads to the disempowerment of local leaders via a lack of accountability, transparency, participation, financial systems practices, money-politics and alleged corruption, and deferential cultural orientations. However, the thesis also demonstrates how, through PAR, these decentralisation challenges were significantly reduced through gradual and continued conscientisation of local government officials via collective, community learning. The significance of the study lies in its highlighting the large gap between theories of decentralised local governance and on-the-ground practices.