cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Design and implementation of a security system against denial of service (DoS) flooding based attacks
Creators: name: Alsunbul, Saad.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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Out-of-Equilibrium Chiral Magnetic Effect from Chiral Kinetic Theory
Creators: name: Huang, Anping
name: Jiang, Yin
name: Shi, Shuzhe
name: Liao, Jinfeng
name: Zhuang, Pengfei
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Recently there has been significant interest in the macroscopic manifestation of chiral anomaly in many-body systems of chiral fermions. A notable example is the Chiral Magnetic Effect (CME). Enthusiastic efforts have been made to search for the CME in the quark-gluon plasma created in heavy ion collisions. A crucial challenge is that the extremely strong magnetic field in such collisions may last only for a brief moment and the CME current may have to occur at so early a stage that the quark-gluon matter is still far from thermal equilibrium. This thus requires modeling of the CME in an out-of-equilibrium setting. With the recently developed theoretical tool of chiral kinetic theory, we make a first phenomenological study of the CME-induced charge separation during the pre-thermal stage in heavy ion collisions. The effect is found to be very sensitive to the time dependence of the magnetic field and also influenced by the initial quark momentum spectrum as well as the relaxation time of the system evolution toward thermal equilibrium. Within the present approach, such pre-thermal charge separation is found to be modest.
description: 7 pages, 7 figures
Intelligent control for end-to-end congestion avoidance control
Creators: name: Yan, Li.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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A Quillen's Theorem A for strict $\infty$-categories I: the simplicial proof
Creators: name: Ara, Dimitri
name: Maltsiniotis, Georges
Publisher: name: arXiv
Year: 2017
Subjects: subject: Algebraic Topology (math.AT)
subject: Category Theory (math.CT)
subject: FOS: Mathematics
subject: 18D05, 18G30, 18G35, 18G55, 55P15, 55U10, 55U15, 55U35

description: The aim of this paper is to prove a generalization of the famous Theorem A of Quillen for strict $\infty$-categories. This result is central to the homotopy theory of strict $\infty$-categories developed by the authors. The proof presented here is of a simplicial nature and uses Steiner's theory of augmented directed complexes. In a subsequent paper, we will prove the same result by purely $\infty$-categorical methods.
description: 51 pages, in French, v2: extended introduction, journal version
The "Inexplicable Vendée:" State Terror and Civil War as Products of Nationalism in the French Revolution 1793-1796
Creators: name: Hallman, James
Publisher: name: University of Chicago
Year: 2022
Subjects: subject: Vendée
subject: Thesis of Circumstances
subject: War in the Vendée
subject: French Revolution
subject: Nationalism
subject: Génocide-Franco-Français
subject: State terror
subject: French Nationalism
subject: Civil War
subject: War of the First Coalition
subject: Moniteur
subject: Thermidorian Reaction
subject: Virée de Galerne
subject: Vendean Refugees
subject: Counterinsurgency Policy

description: The War in the Vendée remains among the most divisive topics in the historiography of the French Revolution, with historians typically strongly supporting the rebels of the revolutionary government. The war's brutal conduct is usually explained either as a necessary reaction to the circumstances of total war, or as an ideological inevitability that can be traced back to 1789. This study seeks to transcend this dichotomy by viewing the Revolution as being driven not by any static ideology but by a nationalism that manifested itself differently throughout the 1790s. While the revolutionary nationalism of 1789 appears relatively benign, by 1793 the government chose to embrace a more extreme form of this ideology. They chose to do so, however, because of the circumstances of total war, vowing to destroy any of France's internal enemies who did not comply with the war effort. They became obsessed with a mythical image of the Vendée as the nexus of all of France's enemies. Thus, I argue that the government from 1793-94 chose to embrace a harsh counterinsurgency policy in the Vendée because they viewed the region as a cesspool of counterrevolution whose mere existence was incompatible with the new French nation which the Revolution sought to establish. Those massacred in the excessive violence should be viewed not as victims of ideological genocide or the unavoidable excesses of civil war, but as the victims of nationalist-driven state terror. By summer 1794, as the politics of the Revolution became more moderate, the Thermidorian regime took a more sensible approach to suppressing the counterrevolution that allowed them to crush the uprising without such excessive violence against civilians.
A Graph-Based Approach to Analyze Flux-Balanced Pathways in Metabolic Networks
Creators: name: Arabzadeh, Mona
name: Zamani, Morteza Saheb
name: Sedighi, Mehdi
name: Marashi, Sayed-Amir
Publisher: name: arXiv
Year: 2017
Subjects: subject: Molecular Networks (q-bio.MN)
subject: FOS: Biological sciences

description: An Elementary Flux Mode (EFM) is a pathway with minimum set of reactions that are functional in steady-state constrained space. Due to the high computational complexity of calculating EFMs, different approaches have been proposed to find these flux-balanced pathways. In this paper, an approach to find a subset of EFMs is proposed based on a graph data model. The given metabolic network is mapped to the graph model and decisions for reaction inclusion can be made based on metabolites and their associated reactions. This notion makes the approach more convenient to categorize the output pathways. Implications of the proposed method on metabolic networks are discussed.
description: 23 pages, 7 figures, 2 tables
A Las Vegas algorithm to solve the elliptic curve discrete logarithm problem
Creators: name: Mahalanobis, Ayan
name: Mallick, Vivek
Publisher: name: arXiv
Year: 2017
Subjects: subject: Cryptography and Security (cs.CR)
subject: Information Theory (cs.IT)
subject: Algebraic Geometry (math.AG)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: In this paper, we describe a new Las Vegas algorithm to solve the elliptic curve discrete logarithm problem. The algorithm depends on a property of the group of rational points of an elliptic curve and is thus not a generic algorithm. The algorithm that we describe has some similarities with the most powerful index-calculus algorithm for the discrete logarithm problem over a finite field.
The design and implementation of a sensitive information system
Creators: name: Wang, Xiaoli.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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Probabilistic cipher : theoretical analysis through practical implementation and comparison against RSA & ECC
Creators: name: Creado, Orhio Mark.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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Multiple positive normalized solutions for nonlinear Schrödinger systems
Creators: name: Gou, Tianxiang
name: Jeanjean, Louis
Publisher: name: arXiv
Year: 2017
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: We consider the existence of multiple positive solutions to the nonlinear Schrödinger systems sets on $H^1(\mathbb{R}^N) \times H^1(\mathbb{R}^N)$, \[ \left\{ \begin{aligned} -Δu_1 &= λ_1 u_1 + μ_1 |u_1|^{p_1 -2}u_1 + βr_1 |u_1|^{r_1-2} u_1|u_2|^{r_2}, -Δu_2 &= λ_2 u_2 + μ_2 |u_2|^{p_2 -2}u_2 + βr_2 |u_1|^{r_1} |u_2|^{r_2 -2} u_2, \end{aligned} \right. \] under the constraint \[ \int_{\mathbb{R}^N}|u_1|^2 \, dx = a_1,\quad \int_{\mathbb{R}^N}|u_2|^2 \, dx = a_2. \] Here $a_1, a_2 >0$ are prescribed, $μ_1, μ_2, β>0$, and the frequencies $λ_1, λ_2$ are unknown and will appear as Lagrange multipliers. Two cases are studied, the first when $N \geq 1, 2 < p_1, p_2 < 2 + \frac 4N, r_1, r_2 > 1, 2 + \frac 4N < r_1 + r_2 < 2^*$, the second when $ N \geq 1, 2+ \frac 4N < p_1, p_2 < 2^*, r_1, r_2 > 1, r_1 + r_2 < 2 + \frac 4N.$ In both cases, assuming that $β>0$ is sufficiently small, we prove the existence of two positive solutions. The first one is a local minimizer for which we establish the compactness of the minimizing sequences and also discuss the orbital stability of the associated standing waves. The second solution is obtained through a constrained mountain pass and a constrained linking respectively.
description: To appear in Nonlinearity
Image retrieval using discrete curvelet transform
Creators: name: Sumana, Ishrat Jahan.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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Analysing the performance of decomposable workflow using stochastic petri nets
Creators: name: Sujaritthammakun, Sutham.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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Producing quality assessment reports of student work for assignments in programming subjects
Creators: name: Xu, Zhi Yong.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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"Super-deblended" Dust Emission in Galaxies: I. The GOODS-North Catalog and the Cosmic Star Formation Rate Density out to Redshift 6
Creators: name: Liu, Daizhong
name: Daddi, Emanuele
name: Dickinson, Mark
name: Owen, Frazer
name: Pannella, Maurilio
name: Sargent, Mark
name: Béthermin, Matthieu
name: Magdis, Georgios
name: Gao, Yu
name: Shu, Xinwen
name: Wang, Tao
name: Jin, Shuowen
name: Inami, Hanae
Publisher: name: arXiv
Year: 2017
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present a new technique to measure multi-wavelength "Super-deblended" photometry from highly confused images, which we apply to Herschel and ground-based far-infrared (FIR) and (sub-)millimeter (mm) data in the northern field of the Great Observatories Origins Deep Survey (GOODS). There are two key novelties. First, starting with a large database of deep Spitzer 24μm and VLA 20cm detections that are used to define prior positions for fitting the FIR/submm data, we perform an active selection of useful priors independently at each frequency band, moving from less to more confused bands. Exploiting knowledge of redshift and all available photometry, we identify hopelessly faint priors that we remove from the fitting pool. This approach significantly reduces blending degeneracies and allows reliable photometry to be obtained for galaxies in FIR+mm bands. Second, we obtain well-behaved, nearly Gaussian flux density uncertainties, individually tailored to all fitted priors in each band. This is done by exploiting extensive simulations that allow us to calibrate the conversion of formal fitting uncertainties to realistic uncertainties depending on quantities directly measurable. We achieve deeper detection limits with high fidelity measurements and uncertainties at FIR+mm bands. As an illustration of the utility of these measurements, we identify 70 galaxies with z>3 and reliable FIR+mm detections. We present new constraints on the cosmic star formation rate density at 33 dusty galaxies that are missed by optical-to-near-infrared color selection. Photometric measurements for 3306 priors, including over 1000 FIR+mm detections are released publicly with our catalog.
description: Published in The Astrophysical Journal, Volume 853, Number 2. The entire machine-readable catalog is available from ApJ at http://iopscience.iop.org/0004-637X/853/2/172/suppdata/apjaaa600t2_mrt.txt . We also provide the same catalog in FITS format at https://goo.gl/aiJVs9
A Survey of Location Prediction on Twitter
Creators: name: Zheng, Xin
name: Han, Jialong
name: Sun, Aixin
Publisher: name: arXiv
Year: 2017
Subjects: subject: Social and Information Networks (cs.SI)
subject: Information Retrieval (cs.IR)
subject: FOS: Computer and information sciences

description: Locations, e.g., countries, states, cities, and point-of-interests, are central to news, emergency events, and people's daily lives. Automatic identification of locations associated with or mentioned in documents has been explored for decades. As one of the most popular online social network platforms, Twitter has attracted a large number of users who send millions of tweets on daily basis. Due to the world-wide coverage of its users and real-time freshness of tweets, location prediction on Twitter has gained significant attention in recent years. Research efforts are spent on dealing with new challenges and opportunities brought by the noisy, short, and context-rich nature of tweets. In this survey, we aim at offering an overall picture of location prediction on Twitter. Specifically, we concentrate on the prediction of user home locations, tweet locations, and mentioned locations. We first define the three tasks and review the evaluation metrics. By summarizing Twitter network, tweet content, and tweet context as potential inputs, we then structurally highlight how the problems depend on these inputs. Each dependency is illustrated by a comprehensive review of the corresponding strategies adopted in state-of-the-art approaches. In addition, we also briefly review two related problems, i.e., semantic location prediction and point-of-interest recommendation. Finally, we list future research directions.
description: Accepted to TKDE. 30 pages, 1 figure
Initial-boundary value problems for fractional diffusion equations with time-dependent coeffcients
Creators: name: Kubica, Adam
name: Yamamoto, Masahiro
Publisher: name: arXiv
Year: 2017
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: G.1.8, G.1.9
subject: 35R11, 35K45, 26A33, 34A08

description: We discuss an initial-boundary value problem for a fractional diffusion equation with Caputo time-fractional derivative where the coefficients are dependent on spatial and time variables and the zero Dirichlet boundary condition is attached. We prove the unique existence of weak and regular solutions.
The role of competitive intelligence in business intelligence
Creators: name: Kapoor, Nishtha Kashyap.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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Soil health modelling with APSIM
Creators: name: Dodd, Mike
name: Schon, Nicole
name: Mackay, Alec
Publisher: name: AgResearch
Year: 2023
Subjects: classificationCode: 460207
subject: Modelling and simulation

description: Soil health is an integrative concept open to various definitions, e.g., “the continued capacity of soil to function as a vital living ecosystem that sustains plants, animals, and humans” (USDA 2012). It is of increasing interest to farmers and growers seeking to improve the delivery of ecosystem services from soils and ensure that they are resilient to disturbance and fit for future use. Recent promotion of the regenerative agricultural paradigm has soil health as one of its core principles and it is in the context of a research project studying RegenAg practises that we sought to utilise the AgPasture model within the APSIM framework to explore the simulation of soil health attributes to support decision making by pastoral farmers.There are two aspects to consider: (1) how the metrics currently used for soil health assessment might translate into explicit and implicit model input parameters; and (2) how the available output parameters might be used as collective indictors of ecosystem service provision.
Exploring the onset of collective motion in self-organised trails of social organisms
Creators: name: Brigatti, E.
name: Hernández, A.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Adaptation and Self-Organizing Systems (nlin.AO)
subject: Quantitative Methods (q-bio.QM)
subject: FOS: Physical sciences
subject: FOS: Biological sciences

description: We investigate the emergence of self-organised trails between two specific target areas in collective motion of social organisms by means of an agent-based model. We present numerical evidences that an increase in the efficiency of navigation in dependence of the colony size, exists. Moreover, the shift, from the diffusive to the directed motion can be quantitatively characterised, identifying and measuring a well defined crossover point. This point corresponds to the minimal number of individuals necessary for the onset of collective cooperation. Finally, by means of a finite-size scaling analysis, we describe its scaling behavior as a function of the environment size. This last result can be of particular interest for interpreting empirical observations or for the design of artificial swarms.
description: 11 pages, 5 figures
Some challenges with farm-to-fork modelling
Creators: name: Kaye-Blake, William
name: McDowell, Rich
Publisher: name: AgResearch
Year: 2023
Subjects: classificationCode: 460207
subject: Modelling and simulation

description: Policymakers and primary industries are increasing interested in creating explicit links along the full value chain from farm to fork. Modelling is a tool that can help with strategy development and planning. McDowell et al. (2022) modelled the supply chain from farm to fork. They focused on the impacts of water quality and climate change policies and demonstrated the potential impacts of policies on the domestic food supply. Changing agricultural production could meet environmental targets and support healthier diets. Savings in the health system offset lost agriculture revenue, estimated at less than one percent of export returns. The work passed outputs from one analysis to use as inputs in the next. An optimisation model of diet provided food quantities. Spreadsheet analysis converted food quantities into required production and land area. Environmental pressure and land suitability maps identified locations for production. Land use was optimised for profit, given constraints, using a land use optimisation model. In total, the analysis included two optimisation models, two types of spatial analysis, and several spreadsheets (see McDowell et al. (2022) for references to underlying models and spatial analysis).
Growing self-organising map for clustering of dynamic data sets
Creators: name: Smith, To.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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Experiences of living with Huntingtons disease
Creators: name: Cooper, Hollie
Publisher: name: Lancaster University
Year: 2023

description: This thesis explores aspects of the lived experience with Huntington’s disease (HD). The first section presents a meta-ethnography, with the review question: ‘what is the experience of young people growing up in a family with HD?’ A systematic search was conducted which resulted in 13 papers for inclusion. Following the synthesis of the qualitative papers, 4 interrelated themes were formed: (1) thief of relationships, (2) thief of self, (3) thief of transparency and (4) search for reclamation. The findings contribute to understanding the complex impact of HD on the lives of young people and their experience of growing up in a family with HD. Further research could focus on psychological assessment to identify the needs of young people in HD families and, following this research, could assess the provision of services and the formation of accessible support. The second section presents the empirical research which sought to answer the question ‘what is the experience of maintaining psychological wellbeing when living at risk of HD?’ Twelve individuals living at risk of HD were interviewed using semi structured interviews. Interpretative Phenomenological Analysis (Smith et al., 2021) revealed three themes: (1) ‘you’re constantly in limbo’: living in two worlds, (2) “I have to live, just bloody live”: possibility of a time limited lifespan and (3) “is that who I am, is that what I am?”: the exhausting quest to be seen as an individual first. The findings explore how individuals managed their wellbeing and the complexities of living at risk. Further research could focus on the lack of support experienced by individuals and poor professional knowledge of HD. The third section presents a critical appraisal in which the similarities and differences of the meta-ethnography and empirical paper are discussed. Clinical implications are discussed further, with researcher reflections also presented.
CDHT : a clustered DHT communication scheme for serverless (P2P) networks
Creators: name: Ye, Wei.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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Application of a numerical method technique to seamless object insertion in digital images
Creators: name: Angkawijaya, Kartika.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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Jamming detection in wireless sensor networks (WSNs) using graph neuron (GN)
Creators: name: Alfehaid, Waleed.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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The Bisognano-Wichmann property on nets of standard subspaces, some sufficient conditions
Creators: name: Morinelli, Vincenzo
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mathematical Physics (math-ph)
subject: Operator Algebras (math.OA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We discuss the Bisognano-Wichmann property for local Poincaré covariant nets of standard subspaces. We give a sufficient algebraic condition on the covariant representation ensuring the Bisognano-Wichmann and Duality properties without further assumptions on the net called modularity condition. It holds for direct integrals of scalar massive and massless representations. We present a class of massive modular covariant nets not satisfying the Bisognano-Wichmann property. Furthermore, we give an outlook in the standard subspace setting on the relation between the Bisognano-Wichmann property and the Split property.
description: Final version. To appear in Annales Henri Poincar\'e
title: Теневой рынок или криминалистический анализ контрабанды наркотических средств
Creators: name: Ионова, Софья
Publisher: name: Новгородский государственный университет имени Ярослава Мудрого (НовГУ)
Year: 2022

description: В данной статье актуализируется необходимость исследования незаконного оборота наркотических средств, превратившегося в глобальную проблему российского государства и мира в целом. В статье обозначены действующие площадки для реализации трафика, порождающие множество вопросов. Показаны статистические данные, иллюстрирующие криминогенную ситуацию. Приведены механизмы осуществления оборота наркотиков. Сгруппирована классификация наркотических средств в зависимости от воздействия на организм человека. Исследуются проблемы, возникающие при выявлении наркопреступлений. Представлены способы перевозки наркотических средств. На основе проведенного анализа сформулированы предложения по разрешению проблемы.
Simulation modelling to develop an index of inherent risk of nitrogen losses to water from New Zealand’s agricultural lands
Creators: name: Chicota, Rogerio
name: Lilburne, Linda
name: Tait, Andrew
name: Snow, Val
Publisher: name: AgResearch
Year: 2023
Subjects: classificationCode: 460207
subject: Modelling and simulation

description: Maintaining and improving water quality (surface and ground) in New Zealand is a priority issue for the public, government, and rural sector. Regional government bodies are required to give effect to the National Policy Statement for Freshwater Management in their regional plans. This requires a tool to assess the risk of nutrient losses from farmed landscapes which (a) is evidence based; (b) addresses both inherent and anthropogenic drivers of risk; and (c) is suitable for usage at the farm scale. We used simulation modelling deploying APSIM NextGeneration (Holzworth et al., 2018) combined with databases of historical weather (Tait et al., 2015) and mapped soil properties (Lilburne et al., 2012) to generate indices of inherent (i.e., non-anthropogenic) risk of nitrogen losses to water across New Zealand (Figure 1). This presentation will discuss the development of the methods and its limitation for assessing risk at the point scale.
Real-time communication protocol for intersection safety
Creators: name: Cai, Licheng.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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Mining Communication Data in a Music Community: A Preliminary Analysis
Creators: name: Calefato, Fabio
name: Iaffaldano, Giuseppe
name: Lanubile, Filippo
name: Lategano, Antonio
name: Novielli, Nicole
Publisher: name: arXiv
Year: 2017
Subjects: subject: Social and Information Networks (cs.SI)
subject: FOS: Computer and information sciences

description: Comments play an important role within online creative communities because they make it possible to foster the production and improvement of authors' artifacts. We investigate how comment-based communication help shape members' behavior within online creative communities. In this paper, we report the results of a preliminary study aimed at mining the communication network of a music community for collaborative songwriting, where users collaborate online by first uploading new songs and then by adding new tracks and providing feedback in forms of comments.
description: In: Garrig\'os I., Wimmer M. (eds) Current Trends in Web Engineering. ICWE 2017. Lecture Notes in Computer Science, vol 10544. Springer, ISBN:978-3-319-74432-2
The homotopy theory of operad subcategories
Creators: name: Fresse, Benoit
name: Turchin, Victor
name: Willwacher, Thomas
Publisher: name: arXiv
Year: 2017
Subjects: subject: Algebraic Topology (math.AT)
subject: FOS: Mathematics
subject: 18D50 (Primary), 18G55, 55U10 (Secondary)

description: We study the subcategory of topological operads $P$ such that $P(0) = *$ (the category of unitary operads in our terminology). We use that this category inherits a model structure, like the category of all operads in topological spaces, and that the embedding functor of this subcategory of unitary operads into the category of all operads admits a left Quillen adjoint. We prove that the derived functor of this left Quillen adjoint functor induces a left inverse of the derived functor of our category embedding at the homotopy category level. We deduce from this result that the derived mapping spaces associated to our model category of unitary operads are homotopy equivalent to the standard derived operad mapping spaces, which we form in the model category of all operads in topological spaces. We prove that analogous statements hold for the subcategory of $k$-truncated unitary operads within the model category of all $k$-truncated operads, for any fixed arity bound $k\geq 1$, where a $k$-truncated operad denotes an operad that is defined up to arity $k$.
description: 9 pages. Title changed and minor writing revisions in the revised version. To appear in J. Homotopy Relat. Struct
Majorana representation, qutrit Hilbert space and NMR implementation of qutrit gates
Creators: name: Dogra, Shruti
name: Dorai, Kavita
name: Arvind
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We report a study of the Majorana geometrical representation of a qutrit, where a pair of points on a unit sphere represents its quantum states. A canonical form for qutrit states is presented, where every state can be obtained from a one-parameter family of states via $SO(3)$ action. The notion of spin-1 magnetization which is invariant under $SO(3)$ is geometrically interpreted on the Majorana sphere. Furthermore, we describe the action of several quantum gates in the Majorana picture and experimentally implement these gates on a spin-1 system (an NMR qutrit) oriented in a liquid crystalline environment. We study the dynamics of the pair of points representing a qutrit state under various useful quantum operations and connect them to different NMR operations. Finally, using the Gell Mann matrix picture we experimentally implement a scheme for complete qutrit state tomography.
description: replaced with final version 3 figures added
Toward a model of device compatibility analysis
Creators: name: Leung, Eddie.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
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On-Shell Gauge Invariant Three-Point Amplitudes
Creators: name: Sun, Zhengdi
name: Xu, Hui
name: Cheung, Yeuk-Kwan E.
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Assuming locality, Lorentz invariance and parity conservation we obtain a set of differential equations governing the 3-point interactions of massless bosons, which in turn determines the polynomial ring of these amplitudes. We derive all possible 3-point interactions for tensor fields with polarisations that have total symmetry and mixed symmetry under permutations of Lorentz indices. Constraints on the existence of gauge-invariant cubic vertices for totally symmetric fields are obtained in general spacetime dimensions and are compared with existing results obtained in the covariant and light-cone approaches. Expressing our results in spinor helicity formalism we reproduce the perhaps mysterious mismatch between the covariant approach and the light cone approach in 4 dimensions. Our analysis also shows that there exists a mismatch, in the 3-point gauge invariant amplitudes corresponding to cubic self-interactions, between a scalar field $ϕ$ and an antisymmetric rank-2 tensor field $A_{μν}$. Despite the well-known fact that in 4 dimensions rank-2 anti-symmetric fields are dual to scalar fields in free theories, such duality does not extend to interacting theories.
description: significantly revised, final version published in JHEP
The undergraduate students' perspective on support for online learning : an analysis of Deakin University's wholly online units
Creators: name: Iu, Peggy.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
Light-Mediated Collective Atomic Motion in an Optical Lattice Coupled to a Membrane
Creators: name: Vochezer, Aline
name: Kampschulte, Tobias
name: Hammerer, Klemens
name: Treutlein, Philipp
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We observe effects of collective atomic motion in a one-dimensional optical lattice coupled to an optomechanical system. In this hybrid atom-optomechanical system, the lattice light generates a coupling between the lattice atoms as well as between atoms and a micromechanical membrane oscillator. For large atom numbers we observe an instability in the coupled system, resulting in large-amplitude atom-membrane oscillations. We show that this behavior can be explained by light-mediated collective atomic motion in the lattice, which arises for large atom number, small atom-light detuning and asymmetric pumping of the lattice, in agreement with previous theoretical work. The model connects the optomechanical instability to a phase delay in the global atomic back-action onto the lattice light, which we observe in a direct measurement.
description: new introduction, title and outlook; small modifications of the main text and figures
Measurement of azimuthal anisotropy using new event categorization with multiplicity at PHENIX
Creators: name: Shimomura, Maya
Publisher: name: Zenodo
Year: 2023
Subjects: phenix
ismd23
au+au
elliptic
flow
multiplicity
zdc
hadron
neutron

description: Talk presented at the International Symposium on Multiparticle Dynamics 2023 conference
The role of business intelligence in the public sector : an analysis of exploratory case studies
Creators: name: Kim, Min Chul.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
Network structure from rich but noisy data
Creators: name: Newman, M. E. J.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Social and Information Networks (cs.SI)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: Driven by growing interest in the sciences, industry, and among the broader public, a large number of empirical studies have been conducted in recent years of the structure of networks ranging from the internet and the world wide web to biological networks and social networks. The data produced by these experiments are often rich and multimodal, yet at the same time they may contain substantial measurement error. In practice, this means that the true network structure can differ greatly from naive estimates made from the raw data, and hence that conclusions drawn from those naive estimates may be significantly in error. In this paper we describe a technique that circumvents this problem and allows us to make optimal estimates of the true structure of networks in the presence of both richly textured data and significant measurement uncertainty. We give example applications to two different social networks, one derived from face-to-face interactions and one from self-reported friendships.
description: 10 pages, 3 figures. Substantially revised and expanded from previous version
Bayesian Optimization with Gradients
Creators: name: Wu, Jian
name: Poloczek, Matthias
name: Wilson, Andrew Gordon
name: Frazier, Peter I.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Machine Learning (stat.ML)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: Optimization and Control (math.OC)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: Bayesian optimization has been successful at global optimization of expensive-to-evaluate multimodal objective functions. However, unlike most optimization methods, Bayesian optimization typically does not use derivative information. In this paper we show how Bayesian optimization can exploit derivative information to decrease the number of objective function evaluations required for good performance. In particular, we develop a novel Bayesian optimization algorithm, the derivative-enabled knowledge-gradient (dKG), for which we show one-step Bayes-optimality, asymptotic consistency, and greater one-step value of information than is possible in the derivative-free setting. Our procedure accommodates noisy and incomplete derivative information, comes in both sequential and batch forms, and can optionally reduce the computational cost of inference through automatically selected retention of a single directional derivative. We also compute the d-KG acquisition function and its gradient using a novel fast discretization-free technique. We show d-KG provides state-of-the-art performance compared to a wide range of optimization procedures with and without gradients, on benchmarks including logistic regression, deep learning, kernel learning, and k-nearest neighbors.
description: Advances in Neural Information Processing Systems 30 (NIPS), 2017
A direct measure of free electron gas via the Kinematic Sunyaev-Zel'dovich effect in Fourier-space analysis
Creators: name: Sugiyama, Naonori S.
name: Okumura, Teppei
name: Spergel, David N.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the measurement of the kinematic Sunyaev-Zel'dovich (kSZ) effect in Fourier space, rather than in real space. We measure the density-weighted pairwise kSZ power spectrum, the first use of this promising approach, by cross-correlating a cleaned Cosmic Microwave Background (CMB) temperature map, which jointly uses both Planck Release 2 and Wilkinson Microwave Anisotropy Probe nine-year data, with the two galaxy samples, CMASS and LOWZ, derived fr om the Baryon Oscillation Spectroscopic Survey (BOSS) Data Release 12. With the current data, we constrain the average optical depth $τ$ multiplied by the ratio of the Hubble parameter at redshift $z$ and the present day, $E=H/H_0$; we find $τE = (3.95\pm1.62)\times10^{-5}$ for LOWZ and $τE = ( 1.25\pm 1.06)\times10^{-5}$ for CMASS, with the optimal angular radius of an aperture photometry filter to estimate the CMB temperature distortion associ ated with each galaxy. By repeating the pairwise kSZ power analysis for various aperture radii, we measure the optical depth as a function of aperture ra dii. While this analysis results in the kSZ signals with only evidence for a detection, ${\rm S/N}=2.54$ for LOWZ and $1.24$ for CMASS, the combination of future CMB and spectroscopic galaxy surveys should enable precision measurements. We estimate that the combination of CMB-S4 and data from DESI shoul d yield detections of the kSZ signal with ${\rm S/N}=70-100$, depending on the resolution of CMB-S4.
description: 24 pages, 15 figures
A performance evaluation model for query processing in CBIR
Creators: name: He, Lin
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
PEMS : a persistent event management system
Creators: name: Curl, Oliver.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
Automated genetic evolution of musical structures
Creators: name: Landesman, Yossi.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
Net reproduction functions for nonlinear structured population models
Creators: name: Farkas, József Z.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: Analysis of PDEs (math.AP)
subject: FOS: Biological sciences
subject: FOS: Mathematics
subject: 92D25, 35B35

description: The goal of this note is to present a general approach to define the net reproduction function for a large class of nonlinear physiologically structured population models. In particular, we are going to show that this can be achieved in a natural way by reformulating a nonlinear problem as a family of linear ones; each of the linear problems describing the evolution of the population in a different, but constant environment. The reformulation of a nonlinear population model as a family of linear ones is a new approach, and provides an elegant way to study qualitative questions, for example the existence of positive steady states. To define the net reproduction number for any fixed (constant) environment, i.e. for the linear models, we use a fairly recent spectral theoretic result, which characterizes the connection between the spectral bound of an unbounded operator and the spectral radius of a corresponding bounded operator. For nonlinear models, varying the environment naturally leads to a net reproduction function.
description: To appear in Mathematical Modelling of Natural Phenomena
Effects of the finite particle size in turbulent wall-bounded flows of dense suspensions
Creators: name: Costa, Pedro
name: Picano, Francesco
name: Brandt, Luca
name: Breugem, Wim-Paul
Publisher: name: arXiv
Year: 2017
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We use interface-resolved simulations to study finite-size effects in turbulent channel flow of neutrally-buoyant spheres. Two cases with particle sizes differing by a factor of 2, at the same solid volume fraction of 20% and bulk Reynolds number are considered. These are complemented with two reference single-phase flows: the unladen case, and the flow of a Newtonian fluid with the effective suspension viscosity of the same mixture in the laminar regime. As recently highlighted in Costa et al. (PRL 117, 134501), a particle-wall layer is responsible for deviations of the statistics from what is observed in the continuum limit where the suspension is modeled as a Newtonian fluid with an effective viscosity. Here we investigate the fluid and particle dynamics in this layer and in the bulk. In the particle-wall layer, the near wall inhomogeneity has an influence on the suspension micro-structure over a distance proportional to the particle size. In this layer, particles have a significant (apparent) slip velocity that is reflected in the distribution of wall shear stresses. This is characterized by extreme events (both much higher and much lower than the mean). Based on these observations we provide a scaling for the particle-to-fluid apparent slip velocity as a function of the flow parameters. We also extend the flow scaling laws in to second-order Eulerian statistics in the homogeneous suspension region away from the wall. Finite-size effects in the bulk of the channel become important for larger particles, while negligible for lower-order statistics and smaller particles. Finally, we study the particle dynamics along the wall-normal direction. Our results suggest that 1-point dispersion is dominated by particle-turbulence (and not particle-particle) interactions, while differences in 2-point dispersion and collisional dynamics are consistent with a picture of shear-driven interactions.
The impact of ERP systems on the development of data warehousing systems
Creators: name: Soonthornvatin, Varittha.
Publisher: name: Monash University
Year: 2022

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.