cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Product-Group Unification in Type IIB String Thoery
Creators: name: Watari, Taizan
name: Yanagida, T.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The product-group unification is a model of unified theories, in which masslessness of the two Higgs doublets and absence of dimension-five proton decay are guaranteed by a symmetry. It is based on SU(5) x U(N) (N=2,3) gauge group. It is known that various features of the model are explained naturally, when it is embedded in a brane world. This article describes an idea of how to accommodate all the particles of the model in Type IIB brane world. The GUT-breaking sector is realized by a D3--D7 system, and chiral quarks and leptons arise from intersection of D7-branes. The D-brane configuration can be a geometric realization of the non-parallel family structure of quarks and leptons, an idea proposed to explain the large mixing angles observed in the neutrino oscillation. The tri-linear interaction of the next-to-minimal supersymmetric standard model is obtained naturally in some cases.
description: 33 pages, 5 figures
Technology Brief: Content is King - Copyright and Redistribution Online
Creators: name: Jennifer Dodgson,
Publisher: name: National University of Singapore
Year: 2020
Subjects: news
Google News
copyright
anti-scraping
news aggregator
article snippets
fair use doctrine
media
paywalls
trustworthiness
serious journalism
alternative sources
fact-check
press subsidies

description: While the Internet provides a multitude of new ways for media outlets to interact with audiences â€“ from videos to infographics to comments sections â€“ it has also provided a plethora of ways for other actors to borrow, steal and repurpose the content for their own ends. So what proportion of an article can be reprinted on another platform before it is considered a copyright infringement?
Plasmons in ultra-thin gold slabs with quantum spill-out: Fourier modal method, perturbative approach, and analytical model
Creators: name: Taghizadeh, Alireza
name: Pedersen, Thomas G.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We numerically study the effect of the quantum spill-out (QSO) on the plasmon mode indices of an ultra-thin metallic slab, using the Fourier modal method (FMM). To improve the convergence of the FMM results, a novel nonlinear coordinate transformation is suggested and employed. Furthermore, we present a perturbative approach for incorporating the effects of QSO on the plasmon mode indices, which agrees very well with the full numerical results. The perturbative approach also provides additional physical insight, and is used to derive analytical expressions for the mode indices using a simple model for the dielectric function. The analytical expressions reproduce the results obtained from the numerically-challenging spill-out problem with much less effort and may be used for understanding the effects of QSO on other plasmonic structures.
description: 11 pages, 4 figures
Програма ХХVIII Наукової сесії Наукового товариства ім. Шевченка (16 лютого—31 березня 2017 р.)
Creators: name: НТШ
Publisher: name: Zenodo
Year: 2017

description: Програма ХХVIII Наукової сесії Наукового товариства ім. Шевченка (16 лютого—31 березня 2017 р.) / Укл. М. Мазепа. Львів: НТШ, 2017.
description: {"references": ["https://ntsh.org/sites/default/files/programa_28_0.pdf"]}
Technology Brief: The Rise of the Machines - Technological Unemployment in the 21st Century
Creators: name: Jennifer Dodgson,
Publisher: name: National University of Singapore
Year: 2020
Subjects: technological unemployment
Luddites
industrialisation
structural unemployment
automation
nature of jobs
degrowth
restricted working hours
education
universal basic income

description: Throughout the 20th century, debate persisted concerning the effects of technological progress on the jobs market. As recently as 2014, Pew Research surveyed 1896 economists and technology experts, of whom 48% believed that new technologies would create more jobs than they would eliminate in the next ten years, while 52% believed that they would not. If the effect of automation on overall employment remains uncertain, the fact that the nature of the jobs available is changing is indisputable.
Damped finite-time-singularity driven by noise
Creators: name: Fogedby, Hans C.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We consider the combined influence of linear damping and noise on a dynamical finite-time-singularity model for a single degree of freedom. We find that the noise effectively resolves the finite-time-singularity and replaces it by a first-passage-time or absorbing state distribution with a peak at the singularity and a long time tail. The damping introduces a characteristic cross-over time. In the early time regime the probability distribution and first-passage-time distribution show a power law behavior with scaling exponent depending on the ratio of the non linear coupling strength to the noise strength. In the late time regime the behavior is controlled by the damping. The study might be of relevance in the context of hydrodynamics on a nanometer scale, in material physics, and in biophysics.
description: 9 pages, 4 eps-figures, revtex4 file
ZZH coupling : A probe to the origin of EWSB ?
Creators: name: Choudhury, Debajyoti
name: Datta, Anindya
name: Huitu, Katri
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We argue that the $ZZH$ coupling constitutes a simple probe of the nature of the scalar sector responsible for electroweak symmetry breaking. We demonstrate the efficacy of this measure through an analysis of four-dimensional models containing scalars in arbitrary representation of $SU(2) \times U(1)$, as well as extra-dimensional models with a non-factorizable geometry. A possible role for the $t \bar t H$ couplings is also discussed.
description: Minor modifications in the text. Version to appear in Nucl. Phys. B
Simultaneous Analysis of Continuously Embedded Reissner-Mindlin Shells in 3D Bulk Domains
Creators: name: Kaiser, Michael Wolfgang
name: Fries, Thomas-Peter
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computational Engineering, Finance, and Science (cs.CE)
subject: FOS: Computer and information sciences

description: A mechanical model and numerical method for the simultaneous analysis of Reissner-Mindlin shells with geometries implied by a continuous set of level sets (isosurfaces) over some three-dimensional bulk domain is presented. A three-dimensional mesh in the bulk domain is used in a tailored FEM formulation where the elements are by no means conforming to the level sets representing the shape of the individual shells. However, the shell geometries are bounded by the intersection curves of the level sets with the boundary of the bulk domain so that the boundaries are meshed conformingly. This results in a method which was coined Bulk Trace FEM before. The simultaneously considered, continuously embedded shells may be useful in the structural design process or for the continuous reinforcement of bulk domains. Numerical results confirm higher-order convergence rates.
description: Article has been submitted to Internat. J. Numer. Methods Engrg
Higgs-mediated muon-electron conversion process in supersymmetric seesaw model
Creators: name: Kitano, Ryuichiro
name: Koike, Masafumi
name: Komine, Shinji
name: Okada, Yasuhiro
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the effect of the Higgs-exchange diagram for the lepton flavor violating muon-electron conversion process in nuclei in the supersymmetric seesaw model. The contribution is significant for a large value of tan beta and a small value of a neutral heavy Higgs boson mass, in which case the ratio of the branching ratios of B(mu N -> e N) / B(mu -> e gamma) is enhanced. We also show that the target atom dependence of the conversion branching ratio provides information on the size of the Higgs exchange diagram.
description: 12 pages, 2 figures, a reference added
Multi-graph convolutional network for short-term passenger flow forecasting in urban rail transit
Creators: name: Zhang, Jinlei
name: Chen, Feng
name: Guo, Yinan
name: Li, Xiaohong
Publisher: name: arXiv
Year: 2020
Subjects: subject: Physics and Society (physics.soc-ph)
subject: FOS: Physical sciences

description: Short-term passenger flow forecasting is a crucial task for urban rail transit operations. Emerging deep-learning technologies have become effective methods used to overcome this problem. In this study, the authors propose a deep-learning architecture called Conv-GCN that combines a graph convolutional network (GCN) and a three-dimensional (3D) convolutional neural network (3D CNN). First, they introduce a multi-graph GCN to deal with three inflow and outflow patterns (recent, daily, and weekly) separately. Multi-graph GCN networks can capture spatiotemporal correlations and topological information within the entire network. A 3D CNN is then applied to deeply integrate the inflow and outflow information. High-level spatiotemporal features between different inflow and outflow patterns and between stations that are nearby and far away can be extracted by 3D CNN. Finally, a fully connected layer is used to output results. The Conv-GCN model is evaluated on smart card data of the Beijing subway under the time interval of 10, 15, and 30 min. Results show that this model yields the best performance compared with seven other models. In terms of the root-mean-square errors, the performances under three time intervals have been improved by 9.402, 7.756, and 9.256%, respectively. This study can provide critical insights for subway operators to optimise urban rail transit operations.
description: This paper has been published in IET Intelligent Transport Systems, 2020
Technology Brief: Distributed Ledger Technologies and Blockchain - (R)evolution?
Creators: name: Eddie Choo,
Publisher: name: National University of Singapore
Year: 2020
Subjects: distributed ledger technologies
cryptocurrencies
blockchain
tracking tokens
smart contracts
proof of ownership
digital voting
scalability
transaction speed
confidentiality

description: While there are serious concerns with the use of cryptocurrencies in extra-legal settings, the underlying technology underneath it â€“distributed ledger technologies (with the blockchain as an example) has attracted immense interest in the ficial and the real economy. Distributed Ledger Technologies (DLT for short) represent a different paradigm in organising business and transactions that can disintermediate some existing kinds of businesses.
title: Organi
Creators: name: Mistrello, Elena
Publisher: name: Tracce Urbane. Rivista Italiana Transdisciplinare di Studi Urbani
Year: 2020
Subjects: organi; città; spazio pubblico

description: Illustrazioni a cura di Elena Mistrello
description: Tracce Urbane. Rivista Italiana Transdisciplinare di Studi Urbani, N. 7 (2020): Per una genealogia degli studi urbani critici/ Towards a genealogy of critical urban studies
MOESM1 of Spontaneous embryo resorption in the mouse is triggered by embryonic apoptosis followed by rapid removal via maternal sterile purulent inflammation
Creators: name: Drews, Barbara
name: Landaverde, Luis
name: KÃ¼hl, Anja
name: Drews, Ulrich
Publisher: name: figshare
Year: 2020
Subjects: subject: Space Science
subject: Medicine
subject: Cell Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology

description: Additional file 1. Detailed observations.
POLICY CHALLENGES FOR FOOD, ENERGY AND ENVIRONMENTAL SECURITY
Creators: name: Nabradi, Andras
name: Popp, Jozsef
name: Nabradi, Andras
name: Popp, Jozsef
Publisher: name: Unknown
Year: 2012
Subjects: subject: Agricultural and Food Policy
subject: Environmental Economics and Policy
subject: Food
subject: energy
subject: environmental security

description: Limited land is available globally to grow crops for food and fuel. There are direct and indirect pressures on forests and other lands to be converted from growing food for feedstock to be used for biofuel production. The balance of evidence indicates there will probably be sufficient appropriate land available to meet demands for both food and fuel, but this needs to be confirmed before global supply of biofuel is allowed to increase significantly. There is a future for a sustainable biofuels industry, but feedstock production must avoid encroaching on agricultural land that would otherwise be used for food production. And while advanced technologies offer significant potential for higher greenhouse gas (GHG) savings through biofuels, these will be offset if feedstock production uses existing agricultural land and prevents land-use change. GHG savings can be achieved by using feedstock grown mainly on marginal land or that does not use land, such as wastes and residues. To ensure that biofuels deliver net GHG benefits, governments should amend, but not abandon, their biofuel policies in recognition of the dangers from indirect effects of land-use changes. Large areas of uncertainty remain in the overall impacts and benefits of biofuels. International action is needed in order to improve data, models and controls, and to understand and to manage effects.
A Polynomial Chaos Approach to Stochastic LQ Optimal Control: Error Bounds and Infinite-Horizon Results
Creators: name: Ou, Ruchuan
name: Schießl, Jonas
name: Baumann, Michael Heinrich
name: Grüne, Lars
name: Faulwasser, Timm
Publisher: name: arXiv
Year: 2023
Subjects: subject: Optimization and Control (math.OC)
subject: Systems and Control (eess.SY)
subject: FOS: Mathematics
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: The stochastic linear--quadratic regulator problem subject to Gaussian disturbances is well known and usually addressed via a moment-based reformulation. Here, we leverage polynomial chaos expansions, which model random variables via series expansions in a suitable $\mathcal{L}^2$ probability space, to tackle the non-Gaussian case. We present the optimal solutions for finite and infinite horizons and we analyze the infinite-horizon asymptotics. We show that the limit of the optimal state-input trajectory is the unique solution to a corresponding stochastic stationary optimization problem in the sense of probability measures. Moreover, we provide a constructive error analysis for finite-dimensional polynomial chaos approximations of the optimal solutions and of the optimal stationary pair in non-Gaussian settings. A numerical example illustrates our findings.
MOESM5 of Understanding patients’ experience living with diabetes type 2 and effective disease management: a qualitative study following a mobile health intervention in Bangladesh
Creators: name: F. Yasmin
name: L. Ali
name: B. Banu
name: F. Rasul
name: R. Sauerborn
name: A. Souares
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: 60506 Virology
subject: Computational Biology

description: Additional file 5. Ethical approval from the Ethic Commission of the Bangladesh Diabetes Association, Dhaka, Bangladesh.
Legal-Economic Barriers to Price Transfers in Food Supply Chains
Creators: name: Bremmers, Harry J.
name: Van Der Meulen, Bernd M.J.
name: Sredojevi, Zorica
name: Wijnands, Jo H.M.
name: Bremmers, Harry J.
name: Van Der Meulen, Bernd M.J.
name: Sredojevi, Zorica
name: Wijnands, Jo H.M.
Publisher: name: Unknown
Year: 2012
Subjects: subject: Agribusiness
subject: Food Consumption/Nutrition/Food Safety
subject: supply chain
subject: price movements
subject: legal system
subject: food supply

description: Recent price movements have put food supply chains under pressure. On the one side, upward price tendencies on commodity markets result in higher costs to processing firms. On the other side, these firms are confronted with a strong retail sector that is able to prevent compensation to protect consumers’ and own economic interests. Regulatory impediments of European law, especially with respect to foodstuffs, can adversely be utilized as barriers to protect the interest downstream the supply chain. The problem is that legal-economic instruments which can serve to smooth price volatility in supply markets can also opportunistically be used at the expense of the middlesection in food supply chains (i.e., mainly small and medium sized producers). The aim of this article is to identify the legal-economic mechanisms that effect price transfers in food supply chains in the European Union and define policy adjustments to improve pricing mechanisms, while safeguarding the interests of the processing industry. Policy alternatives to improve the smooth functioning of notably intermediate markets in food supply chains are the restructuring of competition law, improved processor information management and creating transparency of value added in the supply chain by means of labelling devices.
title: La ricerca azione e la comunità educante: uno sguardo critico e una ipotesi di lavoro a partire da esperienze nel centro storico di Palermo
Creators: name: Rizzuto, Giuseppe
Publisher: name: Tracce Urbane. Rivista Italiana Transdisciplinare di Studi Urbani
Year: 2020
Subjects: Ricerca azione; educazione; comunità educante

description: In Italia le attività scolastiche curricolari sono sempre di più affiancate da attività extracurricolari in cui la scuola, come spazio fisico, istituzionale e simbolico, collabora con soggetti esterni. La scuola, può quindi essere osservata come un punto di convergenza delle dinamiche sociali delle città. La ricerca azione può rappresentare uno strumento utile sia per conoscere tali contesti − coniugando diversi punti di vista − sia per attivare o indirizzare i processi trasformativi in modo partecipato. Il contributo presenta una riflessione sul legame tra ricerca azione e processi educativi per approfondire criticamente il concetto di ‘comunità educante’, dispositivo sempre più utilizzato nel dibattito sul rapporto tra scuola e città. La ricerca azione può contribuire al rafforzamento della comunità educante, se intesa come prodotto di un contesto specifico e in continuo cambiamento. In questo senso sarebbe più pertinente parlare di 'comunità di pratiche educanti'. In Italy, curricular school activities are accompanied by more and more extra- curricular ones, through which the school collaborates with external subjects. The school can therefore be observed as a physical, institutional and symbolic space, where the social dynamics of cities converge. Action research can represent a useful tool not only to know these contexts − combining different points of view – but also to activate or direct transformative processes in a participatory fashion. The contribution begins by presenting a reflection about the link between action research and educational processes and then critically deepens the concept of ‘educating community’, a device increasingly used in the debate on the relationship between school and city. Action research can contribute to the strengthening of the educating community, if it is seen as a product of a specific and constantly changing context, giving rise to what can be called a 'community of educating practices'.
description: Tracce Urbane. Rivista Italiana Transdisciplinare di Studi Urbani, N. 8 (2020): FARE E CONOSCERE, INSIEME: SUPERARE GLI OSTACOLI E LE SFIDE DELLA RICERCA-AZIONE PER RENDERE IL MONDO UN POSTO MIGLIORE / TO DO AND KNOW SOMETHING TOGETHER: OVERCOMING THE CHALLENGES OF ACTION-RESEARCH IN MAKING BETTER URBAN WORLDS
title: Collaborative problem-solving through PhotoVoice: helping community organizations move from network building to action in Havana, Cuba
Creators: name: Vertovec, John
Publisher: name: Tracce Urbane. Rivista Italiana Transdisciplinare di Studi Urbani
Year: 2020
Subjects: PhotoVoice; Community-Based Participatory Research; Community Organizations

description: Questo articolo descrive il passaggio dalla costruzione della rete all’azione, nel quadro di ricerca partecipativa a livello comunitario. In particolare, descrivo lo sviluppo di una rete di organizzazioni comunitarie all’Avana (Cuba), e in che modo è stata utilizzata la metodologia del PhotoVoice come strumento collaborativo per scoprire e affrontare alcune sfide comuni, rimaste anche dopo la creazione della rete. Il nostro progetto PhotoVoice ha inteso 1) formare un legame più coeso tra le organizzazioni partecipanti e 2) fornire loro un ‘linguaggio condiviso’ per comunicare alcune delle loro esperienze, identificare e iniziare a risolvere alcune circostanze di fondo o trascurate. Il progetto PhotoVoice è culminato in una esposizione di 21 foto e didascalie che hanno descritto le maggiori opportunità, sfide e obiettivi di ogni organizzazione. Il processo – dai nostri primi workshop alla mostra finale – ha messo in luce alcune considerazioni chiave per le organizzazioni partecipanti e per molte altre organizzazioni della rete. This article describes the movement from network building to action within a Community-Based Participatory Research framework. Specifically, I describe the development of a network of community organizations in Havana, Cuba, and how we utilized the PhotoVoice methodology as a collaborative tool to discover and address some common challenges that remained even after the network was established. Our PhotoVoice project sought to 1) form a more cohesive bond between the participating organizations and 2) give them a ‘shared language’ to communicate some of their experiences and identify and begin to resolve some underlying or overlooked circumstances. The PhotoVoice project culminated in a gallery of 21 photos and captions that described each organization’s greatest opportunity, challenge, and goals. The process – from our first workshops to the final exhibition – revealed some key considerations for the participating organizations as well as many other organizations in the network.
description: Tracce Urbane. Rivista Italiana Transdisciplinare di Studi Urbani, N. 8 (2020): FARE E CONOSCERE, INSIEME: SUPERARE GLI OSTACOLI E LE SFIDE DELLA RICERCA-AZIONE PER RENDERE IL MONDO UN POSTO MIGLIORE / TO DO AND KNOW SOMETHING TOGETHER: OVERCOMING THE CHALLENGES OF ACTION-RESEARCH IN MAKING BETTER URBAN WORLDS
Technology Brief: Facebookâ€™s Libra Currency
Creators: name: Eddie Choo,
Publisher: name: National University of Singapore
Year: 2020
Subjects: Facebook
cryptocurrency
digital currency
digital wallet
Libra
global ficial system
illicit
blockchain
distributed ledger system
pseudonymous
economic sovereignty
trustworthiness
privacy
compliance
China
e-RMB
central bank digital currencies

description: On June 18, 2019, Facebook announced that it was working on â€˜Libraâ€™ a digital currency, and â€˜Calibraâ€™, a digital wallet to store the currency for transactions. It also announced that it was doing this with a set of 27 other companies and organisations as founding partners. The launch did not go down well with regulators, owing to Facebookâ€™s leadership of the project and given how it was deemed to have failed users on privacy issues previously and distorting social and political discourse.
Optimizing Context-Enhanced Relational Joins
Creators: name: Sanca, Viktor
name: Chatzakis, Manos
name: Ailamaki, Anastasia
Publisher: name: arXiv
Year: 2023
Subjects: subject: Databases (cs.DB)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Collecting data, extracting value, and combining insights from relational and context-rich multi-modal sources in data processing pipelines presents a challenge for traditional relational DBMS. While relational operators allow declarative and optimizable query specification, they are limited to data transformations unsuitable for capturing or analyzing context. On the other hand, representation learning models can map context-rich data into embeddings, allowing machine-automated context processing but requiring imperative data transformation integration with the analytical query. To bridge this dichotomy, we present a context-enhanced relational join and introduce an embedding operator composable with relational operators. This enables hybrid relational and context-rich vector data processing, with algebraic equivalences compatible with relational algebra and corresponding logical and physical optimizations. We investigate model-operator interaction with vector data processing and study the characteristics of the E-join operator. Using an example of string embeddings, we demonstrate enabling hybrid context-enhanced processing on relational join operators with vector embeddings. The importance of holistic optimization, from logical to physical, is demonstrated in an order of magnitude execution time improvement.
Technology Brief: Singaporeâ€™s transition towards a cashless society - Shaping the e-payments landscape
Creators: name: Jean Chia,
Publisher: name: National University of Singapore
Year: 2020
Subjects: cashless
cheque-free
e-payments
contactless payments
mobile payments
Smart Nation
inter-operable
FAST
PayNow
Singapore Quick Response Code
hawker
SME
Singapore Digital Office

description: E-payments have yet to reach ubiquitous adoption in Singapore. The evolution of payments in Singapore was described as â€œunconventionalâ€ compared to other countries. What was holding back the spread of e-payments in Singapore?
Radial Distribution of Blue Stragglers in NGC 5466 using AstroSat
Creators: name: Sahu, Snehalata
name: Subramaniam, Annapurni
Publisher: name: arXiv
Year: 2019
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the results obtained from Near-UV observations of the cluster NGC 5466 taken with UVIT onboard AstroSat to study the radial distribution of Blue Straggler Stars (BSSs), covering the cluster region up to a radius of 14$'$. Our study confirms that the BSSs are more centrally concentrated than Horizontal Branch (HB) stars in the cluster. We do not find a statistically significant rising trend in the radial distribution of BSSs for the outer regions, as most of the previously catalogued BSSs that are located in the cluster outskirts were found to be non-members, quasars or galaxies. This study highlights the importance of UV imaging combined with membership information to probe the radial distribution of BSSs.
description: 4 pages, 2 figures, 1 table, to appear in Proceedings IAU Symposium No. 351 Star Clusters: From the Milky Way to the Early Universe, 2019
DISENTANGLING THE COMPLEXITY OF INDIA’S AGRICULTURAL SECTOR
Creators: name: Raghothama, Jayanth
name: Meijer, Sebastiaan
name: King, Robin
name: Raghothama, Jayanth
name: Meijer, Sebastiaan
name: King, Robin
Publisher: name: Unknown
Year: 2012
Subjects: subject: Agribusiness
subject: International Development
subject: India
subject: supply chain
subject: governance
subject: policy
subject: game

description: Agricultural policies in India directly impact the livelihoods of close to two thirds of India’s population. Through policies, the government manages food security, urban and rural poverty, energy, and infrastructure, among others. Given the current state of India’s governance, the connection between policy making and its results in society becomes a key issue for research. This paper presents a game for use as a research instrument. The game can facilitate research into the policy making process at various levels of the government in India. The design is intended to understand the complexity of the institutional arrangement that defines and implements agricultural policies. The game integrates with other games that simulate other aspects of the agricultural system in India. The paper presents the verification and validation cycles followed, and identifies further steps for field validation.
MOESM4 of Understanding patients’ experience living with diabetes type 2 and effective disease management: a qualitative study following a mobile health intervention in Bangladesh
Creators: name: F. Yasmin
name: L. Ali
name: B. Banu
name: F. Rasul
name: R. Sauerborn
name: A. Souares
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy
subject: 60506 Virology
subject: Computational Biology

description: Additional file 4. Ethical approval from the Ethic Commission of the Medical Faculty of the University of Heidelberg, Germany.
Strings on Eight-Orbifolds
Creators: name: Font, Anamaria
name: Lopez, Jose Antonio
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We present several examples of T^8/P orbifolds with $P \subset SU(4)$. We compute their Hodge numbers and consider turning on discrete torsion. We then study supersymmetric compactifications of type II, heterotic, and type I strings on these orbifolds. Heterotic compactifications to D=2 have a B-field tadpole with coefficient given by that of the anomaly polynomial. In the SO(32) heterotic with standard embedding the tadpole is absent provided the internal space has a precise value of the Euler number. Guided by their relation to type I, we find tadpole-free SO(32) heterotic orbifolds with non-standard embedding.
description: 32 pages, Latex, v2: added references
Markovianity of an emitter coupled to a structured spin chain bath
Creators: name: Roos, J.
name: Cirac, J. I.
name: Bañuls, M. C.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We analyze the dynamics of a spin 1/2 subsystem coupled to a spin chain. We simulate numerically the full quantum many-body system for various sets of parameters and initial states of the chain, and characterize the divisibility of the subsystem dynamics, i.e. whether it is Markovian and can be described by a (time dependent) master equation. We identify regimes in which the subsystem admits such Markovian description, despite the many-body setting, and provide insight about why the same is not possible in other regimes. Interestingly, coupling the subsystem at the edge, instead of the center, of the chain gives rise to qualitatively distinct behavior.
Technology Brief: Rethinking the social compact in the AI age - Is a social investment stipend better than a universal basic income?
Creators: name: Jean Chia,
Publisher: name: National University of Singapore
Year: 2020
Subjects: nature of work
income inequalities
social contract
universal basic income
exclusion
social justice
cost
work ethic
cash transfers
social investment stipend
Kai Fu Lee
social contributions
collective compassion

description: The AI revolution is changing the fundamental nature of work. Opportunities are polarising between high- and low-skill jobs, unemployment and underemployment especially among young people, and worsening income inequalities. This poses questions about how the social contract will change and how the adverse consequences can be mitigated. One idea that has gained momentum in the mainstream is the universal basic income (UBI); another idea is that of the social investment stipend (SIS).
Two-dimensional delta potential wells and condensed-matter physics
Creators: name: de Llano, M.
name: Salazar, A.
name: Solis, M. A.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: It is well-known that a delta potential well in 1D has only one bound state but that in 3D it supports an {\it infinite} number of bound states with {\it infinite} binding energy for the lowest level. We show how this also holds for the less familiar 2D case, and then discuss why this makes 3D delta potential wells unphysical as models of interparticle interactions for condensed-matter many-body systems. However, both 2D and 3D delta wells can be ``regularized'' to support a single bound level which in turn renders them conveniently simple single-parameter interactions, e.g., for modeling the pair-forming dynamics of quasi-2D superconductors such as the cuprates, or in 3D of other superconductors and of neutral-fermion superfluids such as ultra-cold trapped Fermi gases.
description: 19 pages including 5 figures
Helicity modulus and chiral symmetry breaking for boundary conditions with finite twist
Creators: name: Khairnar, Gaurav
name: Vojta, Thomas
Publisher: name: arXiv
Year: 2023
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study the response of a two-dimensional classical XY model to a finite (non-infinitesimal) twist of the boundary conditions. We use Monte Carlo simulations to evaluate the free energy difference between periodic and twisted-periodic boundary conditions and find deviations from the expected quadratic dependence on the twist angle. Consequently, the helicity modulus (spin-stiffness) shows a non-trivial dependence on the twist angle. We show that the deviation from the expected behavior arises because of the mixing of states with opposite chirality which leads to an additional entropy contribution in the quasi-long-range ordered phase. We give an improved prescription for the numerical evaluation of the helicity modulus for a finite twist, and we discuss the spontaneous breaking of the chiral symmetry for the anti-periodic boundary conditions. We also discuss applications to discrete spin systems and some experimental scenarios where boundary conditions with finite twist are necessary.
description: 10 pages, 7 figures embedded
GREEN NETWORKS: INNOVATIVE CAPACITY OF SMES IN THE DUTCH GREENHOUSE HORTICULTURE INDUSTRY
Creators: name: Schout, Henk J.
name: Harkema, Saskia J.M.
name: Schout, Henk J.
name: Harkema, Saskia J.M.
Publisher: name: Unknown
Year: 2012
Subjects: subject: Crop Production/Industries
subject: Research and Development/Tech Change/Emerging Technologies
subject: entrepreneurship
subject: innovation
subject: greenhouse horticulture
subject: knowledge transfer network
subject: growth

description: The Dutch greenhouse horticulture industry is characterized by world leadership in high-tech innovation. The dynamics of this playing field are innovation in production systems and automation, reduction in energy consumption and sharing limited space. However, international competitive advantage of the industry is under pressure and sustainable growth of individual enterprises is no longer a certainty. The sector’s ambition is to innovate better and grow faster than the competition in the rest of the world. Realizing this ambition requires strengthening the knowledge base, stimulating entrepreneurship, innovation (not just technological, but especially business process innovation). It also requires educating and professionalizing people. However, knowledge transfer in this industry is often fragmented and innovation through horizontal and vertical collaboration throughout the value chain is limited. This paper focuses on the question: how can the grower and the supplier in the greenhouse horticulture chain gain competitive advantage through radical product and process innovation. The challenge lies in time- to-market, in customer relationship, in developing new product/market combinations and in innovative entrepreneurship. In this paper an innovation and entrepreneurial educational and research programme is introduced. The programme aims at strengthening multidisciplinary collaboration between enterprise, education and research. Using best practice examples, the paper illustrates how companies can realize growth and improve the innovative capacity of the organization as well as the individual by linking economic and social sustainability. The paper continues to show how participants of the program develop competencies by means of going through a learning cycle of single-loop, double-loop and triple loop learning: reduction of mistakes, change towards new concepts and improvement of the ability to learn. Finally, the paper illustrates the importance of combining enterprise, education and research in regional networks, with examples from the greenhouse horticulture sector. These networks generate economic growth and international competitiveness by acting as business accelerators.
Open Descendants of NAHE-based free fermionic and Type I Z2^n models
Creators: name: Clements, David J.
name: Faraggi, Alon E.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The NAHE-set, that underlies the realistic free fermionic models, corresponds to Z2XZ2 orbifold at an enhanced symmetry point, with (h_{11},h_{21})=(27,3). Alternatively, a manifold with the same data is obtained by starting with a Z2XZ2 orbifold at a generic point on the lattice and adding a freely acting Z2 involution. In this paper we study type I orientifolds on the manifolds that underly the NAHE-based models by incorporating such freely acting shifts. We present new models in the Type I vacuum which are modulated by Z2^n for n=2,3. In the case of n=2, the Z2XZ2 structure is a composite orbifold Kaluza-Klein shift arrangement. The partition function provides a simpler spectrum with chiral matter. For n=3, the case discussed is a Z2 modulation of the T6/(Z2 X Z2) spectrum. The additional projection shows an enhanced closed and open sector with chiral matter. The brane stacks are correspondingly altered from those which are present in the Z2 X Z2 orbifold. In addition, we discuss the models arising from the open sector with and without discrete torsion.
description: 43 pages. Standard LaTeX. 3 figures. Substantial revisions
RhoA/Rock activation represents a new mechanism for inactivating Wnt/β-catenin signaling in the aging-associated bone loss
Creators: name: Ren, Qianlei
name: Mei, Liu
name: Yan, Ziyi
name: Hu, Xinhua
name: Hussain, Musaddique
name: Ji, Xing
name: Wu, Ximei
name: Xu, Chengyun
name: Qv, Meiyu
name: Tang, Chao
name: Wang, Jirong
name: Zeng, Ling-Hui
name: Shi, Wei
name: Gong, Ying
Publisher: name: Springer Nature
Year: 2021

description: The Wnt/β-catenin signaling pathway appears to be particularly important for bone homeostasis, whereas nuclear accumulation of β-catenin requires the activation of Rac1, a member of the Rho small GTPase family. The aim of the present study was to investigate the role of RhoA/Rho kinase (Rock)-mediated Wnt/β-catenin signaling in the regulation of aging-associated bone loss. We find that Lrp5/6-dependent and Lrp5/6-independent RhoA/Rock activation by Wnt3a activates Jak1/2 to directly phosphorylate Gsk3β at Tyr216, resulting in Gsk3β activation and subsequent β-catenin destabilization. In line with these molecular events, RhoA loss- or gain-of-function in mouse embryonic limb bud ectoderms interacts genetically with Dkk1 gain-of-function to rescue the severe limb truncation phenotypes or to phenocopy the deletion of β-catenin, respectively. Likewise, RhoA loss-of-function in pre-osteoblasts robustly increases bone formation while gain-of-function decreases it. Importantly, high RhoA/Rock activity closely correlates with Jak and Gsk3β activities but inversely correlates with β-catenin signaling activity in bone marrow mesenchymal stromal cells from elderly male humans and mice, whereas systemic inhibition of Rock therefore activates the β-catenin signaling to antagonize aging-associated bone loss. Taken together, these results identify RhoA/Rock-dependent Gsk3β activation and subsequent β-catenin destabilization as a hitherto uncharacterized mechanism controlling limb outgrowth and bone homeostasis.
title: Your culture, my values: the perpetuation of power relations in collaborative research in academic environments
Creators: name: Faiwichow Estefam, Aline
Publisher: name: Tracce Urbane. Rivista Italiana Transdisciplinare di Studi Urbani
Year: 2020
Subjects: collaborative research; intercultural exchange; power imbalances

description: Questo articolo indaga i problemi associati alla ricerca collaborativa nelle scuole di specializzazione dei paesi più sviluppati, quando essa si interessa alle relazioni di potere tra paesi sviluppati e paesi in via di sviluppo. L’articolo esplora la mancanza di conoscenza dell’influenza del ricercatore, la partecipazione parziale degli stakeholder locali e la permanenza delle relazioni di potere pre-esistenti. L’autrice condivide una riflessione sulla sua esperienza di studentessa che, insieme ad altri undici studenti internazionali, supervisionati da due professori americani, provenienti da un’università americana, nell’autunno del 2019, hanno studiato e viaggiato in Sierra Leone, dove hanno lavorato in collaborazione con studenti e professori locali. Sebbene il progetto fosse pensato per essere collaborativo, ha finito per produrre una collaborazione parziale. L’articolo si conclude con raccomandazioni per evitare gli stessi problemi. This article investigates problems arising from collaborative research in graduate schools in the developed world. It specifically examines how it relates to developed and developing countries’ power relations and explores the lack of knowledge of the influence of researcher, partial participation of local stakeholders, and a predominance of power relations. The author reflects on her experience as one of the eleven international students, supervised by two American professors, from an American university, who, in the Fall of 2019, studied and traveled to Sierra Leone, where they worked in collaboration with local students and professors. Although the project was meant to be collaborative, it ended up producing partial collaboration. The article concludes with recommendations to avoid the same issues.
description: Tracce Urbane. Rivista Italiana Transdisciplinare di Studi Urbani, N. 8 (2020): FARE E CONOSCERE, INSIEME: SUPERARE GLI OSTACOLI E LE SFIDE DELLA RICERCA-AZIONE PER RENDERE IL MONDO UN POSTO MIGLIORE / TO DO AND KNOW SOMETHING TOGETHER: OVERCOMING THE CHALLENGES OF ACTION-RESEARCH IN MAKING BETTER URBAN WORLDS
Policy Analysis: Singapore's public-private partnerships for cybersecurity in the critical infrastructure sectors - Challenges and Opportunities
Creators: name: Lim Wei Chieh,
Publisher: name: National University of Singapore
Year: 2017
Subjects: Singapore
Public-Private Partnership,Cybersecurity
Public Management
leadership
Science and technology
Infrastructure Sectors
PPPs
Infrastructure

description: It has been more than 15 years since the first public-private partnership for cybersecurity, â€œPartnership for Critical Infrastructure Securityâ€, was established in the United States by the Clinton administration in 2000. Such partnerships leverage on the strengths of both the public and private sectors, and have become essential given the extent of privatisation, deregulation and globalisation in many countriesâ€™ critical infrastructure sectors. While the number of such initiatives are growing around the world, the cybersecurity problem does not seem to be slowing down. What are the challenges and opportunities with such partnerships? How can governments impose punitive regulatory structures and at the same time seek cooperative arrangements with the private sector? This analysis examines Singaporeâ€™s strategy and use of PPPs for tackling the issue of cybersecurity in its critical infrastructure sectors.
Nonreciprocal surface acoustic wave propagation via magneto-rotation coupling
Creators: name: Xu, Mingran
name: Yamamoto, Kei
name: Puebla, Jorge
name: Baumgaertl, Korbinian
name: Rana, Bivas
name: Miura, Katsuya
name: Takahashi, Hiromasa
name: Grundler, Dirk
name: Maekawa, Sadamichi
name: Otani, Yoshichika
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: One of the most fundamental forms of magnon-phonon interaction is an intrinsic property of magnetic materials, the "magnetoelastic coupling". This particular form of interaction has been the basis for describing magnetic materials and their strain related applications, where strain induces changes of internal magnetic fields. Different from the magnetoelastic coupling, more than 40 years ago, it was proposed that surface acoustic waves may induce surface magnons via rotational motion of the lattice in anisotropic magnets. However, a signature of this magnon-phonon coupling mechanism, termed magneto-rotation coupling, has been elusive. Here, we report the first observation and theoretical framework of the magneto-rotation coupling in a perpendicularly anisotropic ultra-thin film Ta/CoFeB(1.6 nm)/MgO, which consequently induces nonreciprocal acoustic wave attenuation with a unprecedented ratio up to 100$\%$ rectification at the theoretically predicted optimized condition. Our work not only experimentally demonstrates a fundamentally new path for investigating magnon-phonon coupling, but also justify the feasibility of the magneto-rotation coupling based application.
description: 30 pages, 12 figures
MOESM3 of Understanding patients’ experience living with diabetes type 2 and effective disease management: a qualitative study following a mobile health intervention in Bangladesh
Creators: name: F. Yasmin
name: L. Ali
name: B. Banu
name: F. Rasul
name: R. Sauerborn
name: A. Souares
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy
subject: Computational Biology

description: Additional file 3. Informed consent form for in-depth interview.