cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Major Demographic Changes in Bangladesh and their Socio-economic Correlates: Analysis of Trends
Creators: name: Mohammad, Hossain
name: Tisdell, Clement A.
name: Mohammad, Hossain
name: Tisdell, Clement A.
Publisher: name: Unknown
Year: 2003
Subjects: subject: International Development
subject: Labor and Human Capital
subject: population growth
subject: growth of the working age population
subject: women’s workforce participation
subject: Bangladesh

description: Catalogues the demographic changes in Bangladesh during the period 1975-2000 and examines how they relate to key socio-economic attributes. Trends are examined in population growth, growth of the working age population, women’s workforce participation, age-dependency ratio, female-male ratio, longevity, fertility, mortality and mean age at first marriage. Bangladesh has made significant breakthroughs in all these areas, a feat not matched by most other South Asian countries, but comparable with the South-East Asia region as whole. The study isolates factors contributing to the changes in each attribute. It assesses the correlation between Bangladesh’s demographic changes and selected socio-economic indicators namely, its per capita GDP, female labour force participation, per capita public health expenditure and educational achievements by both men and women. All five socio-economic variables display statistically significant correlation, in varying degrees, with measures of the demographic changes. Per capita GDP is probably the most significant determinant of demographic changes in Bangladesh. The study observes that men’s education reinforces women’s education and with increased workforce participation contributed to reduced fertility. The study suggests that the role of family planning programs in curbing population growth in Bangladesh maybe overestimated.
Mechanics and dynamics of circular milling operations
Creators: name: Kardes, Nimet
Publisher: name: University of British Columbia
Year: 2009

description: This thesis presents modeling of the mechanics and dynamics of circular milling operations. With the recent advances in CNC machine tools which have high contouring accuracy, the circular milling operations are used in high speed opening of pockets in die, mold and aerospace machining industry. While the cutter rotates around the spindle axis, it follows a circular-trochoidal path, avoiding momentary pauses to change feed directions. The cutter engagement conditions, hence the chip thickness, the cutting force directions and amplitudes, and the dynamic stability of the milling process continuously change in circular milling operations. This thesis presents the first research in modeling the mechanics and dynamics of circular milling operations in the literature. The kinematics of the chip removal generation is first modeled by considering the rigid body motions of the cutter and cutting edges. The time varying chip load and the resulting milling forces are predicted with experimental validation. The dynamic stability of the process is complicated by three factors. The system dynamics has two delay terms and two periodic behaviours. Additionally the parameters of the coupled differential equations have time varying coefficients. First, the stability of the system is solved by taking the averages of the periodic coefficients in the frequency domain. The stability law developed by Altintas and Budak are extended to the circular milling. Two alternative methods were studied to improve the frequency domain stability solution. The direct method proposed by Olgac and Sipahi, converged to the frequency domain solution since the assumptions were identical. The Time Finite Element method proposed by Stepan, Bayly and Mann is a numerical, time domain method where the time varying directional coefficients can be considered. To simplify the time finite element solution and decrease the computation time, only the most flexible mode in each direction was taken into account. The experiments were conducted to verify the proposed dynamic models and the simulation results obtained from frequency domain solution and time finite element method were compared against experimental results. Both methods gave reasonable results only for speed independent and low axial depth of cut region but they are not able to predict the stability of a circular milling operation accurately.
Additional file 1 of Configuration of active site segments in lytic polysaccharide monooxygenases steers oxidative xyloglucan degradation
Creators: name: Peicheng Sun
name: Laurent, Christophe V. F. P.
name: Scheiblbrandner, Stefan
name: Frommhagen, Matthias
name: Kouzounis, Dimitrios
name: Sanders, Mark G.
name: Berkel, Willem J. H. Van
name: Ludwig, Roland
name: Kabel, Mirjam A.
Publisher: name: figshare
Year: 2020
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Evolutionary Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Science Policy
subject: Cancer
subject: Computational Biology

description: Additional file 1. Fig. S1. MW distributions of TXG-digests from NcLPMO9C and NcLPMO9M. Fig. S2. HPAEC elution patterns of β-galactosidase treated XEG and NcLPMO9C digested TXG. Fig. S3. MALDI-TOF mass spectra of β-galactosidase treated XEG and NcLPMO9C digested TXG. Fig. S4. Negative ion mode CID-MS/MS fragmentation patterns of XXX and XLL present in the NcLPMO9C-TXG-digest. Fig. S5. Negative ion mode CID-MS/MS fragmentation patterns of XGX and LXG present in the NcLPMO9M-TXG-digest. Fig. S6. HILIC-ESI-MS base-peak chromatograms of BCXG-digests from NcLPMO9C and NcLPMO9M. Fig. S7. Phylogenetic tree in circle style of “full length” (FL) AA9 LPMOs. Fig. S8. Phylogenetic tree in circle style of “segments only” (SO) AA9 LPMOs. Fig. S9. Crystal structures and homology models of LPMOs tested on XG. Fig. S10. HPAEC elution patterns of TXG, and of TXG digested with NcLPMO9F with the addition of Asc. Fig. S11. HPAEC elution patterns of TXG, and of TXG digested with MtLPMO9I with the addition of Asc. Table S1. Selected mass (m/z) list for non-, C4- and C1-oxidized TXG oligosaccharides. Table S2. List of non-oxidized XG oligosaccharides identified based on fragmentation patterns in CID-MS/MS present in the NcLPMO9C-TXG-digest. Table S3. List of non-oxidized XG oligosaccharides identified based on fragmentation patterns in CID-MS/MS present in the NcLPMO9M-TXG-digest. Table S4. Characterized LPMOs; organism, Genbank accession number, LPMO name (if applicable), PDB entry (if applicable) and reference (if applicable).
Public Opinions About Copyright for AI-Generated Art: The Role of Egocentricity, Competition, and Experience
Creators: name: Lima, Gabriel
name: Grgić-Hlača, Nina
name: Redmiles, Elissa
Publisher: name: arXiv
Year: 2024
Subjects: subject: Computers and Society (cs.CY)
subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences

description: Breakthroughs in generative AI (GenAI) have fueled debates concerning the artistic and legal status of AI-generated creations. We investigate laypeople's perceptions ($N$$=$$432$) of AI-generated art through the lens of copyright law. We study lay judgments of GenAI images concerning several copyright-related factors and capture people's opinions of who should be the authors and rights-holders of AI-generated images. To do so, we held an incentivized AI art competition in which some participants used a GenAI model to create art while others evaluated these images. We find that participants believe creativity and effort, but not skills, are needed to create AI-generated art. Participants were most likely to attribute authorship and copyright to the AI model's users and to the artists whose creations were used for training. We find evidence of egocentric effects: participants favored their own art with respect to quality, creativity, and effort -- particularly when these assessments determined real monetary awards.
description: ACM CHI 2025
The map between conformal hypercomplex/hyper-Kaehler and quaternionic(-Kaehler) geometry
Creators: name: Bergshoeff, Eric
name: Cucu, Sorin
name: de Wit, Tim
name: Gheerardyn, Jos
name: Vandoren, Stefan
name: Van Proeyen, Antoine
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Differential Geometry (math.DG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We review the general properties of target spaces of hypermultiplets, which are quaternionic-like manifolds, and discuss the relations between these manifolds and their symmetry generators. We explicitly construct a one-to-one map between conformal hypercomplex manifolds (i.e. those that have a closed homothetic Killing vector) and quaternionic manifolds of one quaternionic dimension less. An important role is played by 'ξ-transformations', relating complex structures on conformal hypercomplex manifolds and connections on quaternionic manifolds. In this map, the subclass of conformal hyper-Kaehler manifolds is mapped to quaternionic-Kaehler manifolds. We relate the curvatures of the corresponding manifolds and furthermore map the symmetries of these manifolds to each other.
description: 54 pages, 2 figures; v2: small corrections, version to be published in CMP; v3: changes of statement on (3.5)
Poverty - Dynamic and Sustainability Perspectives Implications for Welfare and Policy with Reference to India
Creators: name: Tisdell, Clement A.
name: Tisdell, Clement A.
Publisher: name: Unknown
Year: 1993
Subjects: subject: Community/Rural/Urban Development
subject: International Development
subject: India
subject: markets and poverty
subject: poverty alleviation policy
subject: poverty dynamics
subject: sustainable communities

description: After outlining some comparative features of poverty in India, this article reviews critically recent literature on the dynamics of poverty. On economic efficiency grounds, it rejects the view that the chronically poor are more deserving than the non-chronic poor of poverty assistance. Mechanisms of households and communities for coping with poverty are discussed. The possibility is raised that where poverty has been persistent that rational methods for coping with it are likely to be well established, and less suffering may occur than for households and communities thrown temporarily into poverty. However, situations can also be envisaged where such rational behaviours deepen the poverty trap and create unfavourable externalities for poverty alleviation. Conflict can arise between programmes to alleviate poverty in poor communities and the sustainability of these communities and their local cultures. Problems posed by this are discussed. Furthermore, the impact of market extension on poor landholders is considered. In contrast to the prevailing view that increased market extension and liberalisation is favourable to poor farmers, it is argued that inescapable market transaction cost makes it difficult for the poor to survive as landholders in a fluid and changing market system. The likelihood of poor landholders joining the landless poor rises, and if they migrate from the countryside to the city they face further adjustment hurdles. Consequently, poor landholders may be poorer after the extension of the market system and only their offspring may reap benefits from market reforms.
Reissner-Nordström black holes supporting non-minimally coupled massive scalar field configurations
Creators: name: Hod, Shahar
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: It has recently been demonstrated that static spatially regular scalar fields, which are non-minimally coupled to the electromagnetic field of a charged central black hole, can be supported in the exterior regions of the black-hole spacetime. In the present paper we use {\it analytical} techniques in order to study the physical and mathematical properties of the externally supported linearized scalar field configurations (scalar 'clouds') in the dimensionless large-mass regime $μr_+\gg1$ (here $μ$ and $r_+$ are respectively the proper mass of the supported scalar field and the outer horizon radius of the central supporting black hole). In particular, we derive a remarkably compact analytical formula for the discrete resonant spectrum $\{α_n(μ;Q/M)\}_{n=0}^{n=\infty}$ which characterizes the dimensionless coupling parameter of the composed black-hole-non-minimally-coupled-linearized-massive-scalar-field configurations. The physical significance of this resonant spectrum stems from the fact that, for a given value of the dimensionless black-hole electric charge $Q/M$, the fundamental (smallest) eigenvalue $α_0(μ)$ determines the critical existence-line of the composed black-hole-massive-field system, a boundary line which separates non-linearly coupled hairy charged-black-hole-massive-scalar-field configurations from bald Reissner-Nordström black holes. The analytical results derived in this paper are confirmed by direct numerical computations.
description: 7 pages
Economic Social and Cultural Influences on the Status and Wellbeing of Indian Rural Wives
Creators: name: Tisdell, Clement A.
name: Regmi, Gopal
name: Tisdell, Clement A.
name: Regmi, Gopal
Publisher: name: Unknown
Year: 2004
Subjects: subject: Community/Rural/Urban Development
subject: International Development
subject: Santal
subject: Kondh
subject: wives
subject: India
subject: gender inequality

description: Examines the status and well being of wives in rural India using results from interviews. Surveys were conducted in three villages in the southwest of West Bengal and in three villages in the west of Orissa. The survey in West Bengal contained a large proportion of Santal tribals and the Oriyan survey was dominated by Kondh tribals. The relationships between variables representing economic, social and cultural factors are compared with ‘dependent’ variables representing the status of wives within their family and their wellbeing. Wellbeing is indicated by whether the basic needs of wives for food and medical care are met. Status of wives is indicated by their ‘control’ over family resources, whether or not they are restricted in joining social groups and in working outside their home, and the extent of their involvement in family decision-making. Cultural factors are found to be the dominant influence on the status of wives. Family income and other economic factors are found to be associated cross sectionally with greater restrictions on wives within their family. Nevertheless, the higher in the economic status of the household, the more likely are the basic needs of wives to be met
Ubiquity of Log-normal Distributions in Intra-cellular Reaction Dynamic
Creators: name: Furusawa, Chikara
name: Suzuki, Takao
name: Kashiwagi, Akiko
name: Yomo, Tetsuya
name: Kaneko, Kunihiko
Publisher: name: arXiv
Year: 2005
Subjects: subject: Molecular Networks (q-bio.MN)
subject: FOS: Biological sciences

description: The discovery of two fundamental laws concerning cellular dynamics with recursive growth is reported. First, the chemical abundances measured over many cells are found to obey a log-normal distribution and second, the relationship between the average and standard deviation of the abundances is found to be linear. The ubiquity of the laws is explored both theoretically and experimentally. First by means of a model with a catalytic reaction network, the laws are shown to appear near the critical state with efficient self-reproduction. Second by measuring distributions of fluorescent proteins in bacteria cells the ubiquity of log-normal distribution of protein abundances is confirmed. Relevance of these findings to cellular function and biological plasticity is briefly discussed.
description: 15 pages, 4 figures. BIOPHYSICS, in press
Simultaneous Nodal Superconductivity and Time-Reversal Symmetry Breaking in the Noncentrosymmetric Superconductor CaPtAs
Creators: name: Shang, T.
name: Smidman, M.
name: Wang, A.
name: Chang, L. -J.
name: Baines, C.
name: Lee, M. K.
name: Nie, Z. Y.
name: Pang, G. M.
name: Xie, W.
name: Jiang, W. B.
name: Shi, M.
name: Medarde, M.
name: Shiroka, T.
name: Yuan, H. Q.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: By employing a series of experimental techniques, we provide clear evidence that CaPtAs represents a rare example of a noncentrosymmetric superconductor which simultaneously exhibits nodes in the superconducting gap and broken time-reversal symmetry (TRS) in its superconducting state (below $T_c$ $\approx$ 1.5 K). Unlike in fully-gapped superconductors, the magnetic penetration depth $λ(T)$ does not saturate at low temperatures, but instead it shows a $T^2$-dependence, characteristic of gap nodes. Both the superfluid density and the electronic specific heat are best described by a two-gap model comprising of a nodeless gap and a gap with nodes, rather than by single-band models. At the same time, zero-field muon-spin spectra exhibit increased relaxation rates below the onset of superconductivity, implying that TRS is broken in the superconducting state of CaPtAs, hence indicating its unconventional nature. Our observations suggest CaPtAs to be a new remarkable material which links two apparently disparate classes, that of TRS-breaking correlated magnetic superconductors with nodal gaps and the weakly-correlated noncentrosymmetric superconductors with broken TRS, normally exhibiting only a fully-gapped behavior.
description: 7 pages, 4 figures, accepted by Phys. Rev. Lett
Correction Bounds on measures satisfying moment conditions
Creators: name: Lasserre, Jean B.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 6008, 60D05, 90C22, 90C25. (Primary)

description: The Annals of Applied Probability (2002) 12 1114-1137
Pointwise-Sparse Actuator Scheduling for Linear Systems with Controllability Guarantee
Creators: name: Ballotta, Luca
name: Joseph, Geethu
name: Thete, Irawati Rahul
Publisher: name: arXiv
Year: 2024
Subjects: subject: Optimization and Control (math.OC)
subject: Systems and Control (eess.SY)
subject: FOS: Mathematics
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: 93B51 (Primary) 93B05, 93C35, 93C55 (Secondary)

description: This paper considers the design of sparse actuator schedules for linear time-invariant systems. An actuator schedule selects, for each time instant, which control inputs act on the system in that instant. We address the optimal scheduling of control inputs under a hard constraint on the number of inputs that can be used at each time. For a sparsely controllable system, we characterize sparse actuator schedules that make the system controllable, and then devise a greedy selection algorithm that guarantees controllability while heuristically providing low control effort. We further show how to enhance our greedy algorithm via Markov chain Monte Carlo-based randomized optimization
description: Copyright (c) 2024 IEEE. Personal use of this material is permitted. However, permission to use this material for any other purposes must be obtained from the IEEE by sending a request to pubs-permissions@ieee.org
The Hypervirial-Padé Summation Method Applied to the Anharmonic Oscillator
Creators: name: Arda, Altug
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The energy eigenvalues of the anharmonic oscillator characterized by the cubic potential for various eigenstates are determined within the framework of the hypervirial-Padé summation method. For this purpose the E[3,3] and E[3,4] Padé approximants are formed to the energy perturbation series and given the energy eigenvalues up to fourth order in terms of the anharmonicity parameter $λ$.
description: 5 pages Latex
Closures of exponential families
Creators: name: Csiszar, Imre
name: Matus, Frantisek
Publisher: name: arXiv
Year: 2005
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 60A10 (Primary) 60B10\sep62B10\sep52A20 (Secondary)

description: The variation distance closure of an exponential family with a convex set of canonical parameters is described, assuming no regularity conditions. The tools are the concepts of convex core of a measure and extension of an exponential family, introduced previously by the authors, and a new concept of accessible faces of a convex set. Two other closures related to the information divergence are also characterized.
description: Published at http://dx.doi.org/10.1214/009117904000000766 in the Annals of Probability (http://www.imstat.org/aop/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Additional file 1 of Identification of enzymatic genes with the potential to reduce biomass recalcitrance through lignin manipulation in Arabidopsis
Creators: name: Sakamoto, Shingo
name: Naofumi Kamimura
name: Tokue, Yosuke
name: Nakata, Miyuki T.
name: Yamamoto, Masanobu
name: Hu, Shi
name: Masai, Eiji
name: Mitsuda, Nobutaka
name: Kajita, Shinya
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Plant Biology

description: Additional file 1: Table S1. List of genes used for lignin modification. Table S2. Summary of properties of enzymes involved in the conversion of metabolites in shikimate, general phenylpropanoid, flavonoid, or monolignol biosynthetic pathways. Reaction scheme, coenzyme requirement, enzyme activity (kinetic parameters, specific activity, or substrate range), and reference(s) are shown. Table S3. List of gene sets and number of plants harboring each gene. The number of transgenic plants having a single transgene or multiple transgenes is indicated in the third column. Efficiency refers to the relative proportion of plants harboring each gene among all plants generated by the same mixture of Agrobacterium strains. Table S4. Relative abundance of pyrolysis products within AIR-sample from wild-type and transgenic inflorescence stem. Table S5. Carbohydrates composition in transgenic lines supporting Fig. 6. Table S6. Sugar yield by enzymatic saccharification supporting Fig. 7.
How primordial magnetic fields shrink galaxies
Creators: name: Martin-Alvarez, Sergio
name: Slyz, Adrianne
name: Devriendt, Julien
name: Gómez-Guijarro, Carlos
Publisher: name: arXiv
Year: 2020
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: As one of the prime contributors to the interstellar medium energy budget, magnetic fields naturally play a part in shaping the evolution of galaxies. Galactic magnetic fields can originate from strong primordial magnetic fields provided these latter remain below current observational upper limits. To understand how such magnetic fields would affect the global morphological and dynamical properties of galaxies, we use a suite of high-resolution constrained transport magneto-hydrodynamic cosmological zoom simulations where we vary the initial magnetic field strength and configuration along with the prescription for stellar feedback. We find that strong primordial magnetic fields delay the onset of star formation and drain the rotational support of the galaxy, diminishing the radial size of the galactic disk and driving a higher amount of gas towards the centre. This is also reflected in mock UVJ observations by an increase in the light profile concentration of the galaxy. We explore the possible mechanisms behind such a reduction in angular momentum, focusing on magnetic braking. Finally, noticing that the effects of primordial magnetic fields are amplified in the presence of stellar feedback, we briefly discuss whether the changes we measure would also be expected for galactic magnetic fields of non-primordial origin.
description: 23 pages, 15 figures, accepted for publication in MNRAS
ESTUDO DO PROCESSO DE COMPRA DE BOI EM FRIGORÍFICOS PAULISTAS
Creators: name: Carvalho, Thiago Bernardino De
name: Menezes, Shirley Martins
name: Zen, Sergio De
name: Alcantara, Rosane Lucia Chicarelli
name: Carvalho, Thiago Bernardino De
name: Menezes, Shirley Martins
name: Zen, Sergio De
name: Alcantara, Rosane Lucia Chicarelli
Publisher: name: Unknown
Year: 2008
Subjects: subject: Agribusiness
subject: Livestock Production/Industries
subject: Compra de boi
subject: Frigoríficos
subject: Mercado organizacional
subject: SCM
subject: Cattle purchase
subject: Slaughterhouses
subject: Organizational market

description: Embora os produtores de gado nem sempre se comportem como uma empresa, precisam agir como tal para se manter no mercado, cada vez mais concentrado e profissionalizado nas etapas seguintes à de engorda – industrialização, atacado e varejo. O desafio para o pecuarista é grande, dada a complexidade que envolve o processo de compra de gado, caracterizado pelo marketing empresarial como uma recompra modificada, onde cada transação abrange a negociação de diversos aspectos e a participação de várias pessoas. O presente estudo mostra que o processo de comercialização de animais para abate, em frigoríficos pesquisados, envolve a execução diária de várias, senão todas, etapas referentes a um processo de compra empresarial dos mais complexos, com algumas delas sendo executadas mais de uma vez ao dia. Esse processo e a decisão de compra recebem influência direta de fatores organizacionais, individuais, interpessoais e do ambiente externo. Apesar das iniciativas de coordenação, que se refletem principalmente em ações de parcerias e utilização de mecanismos de comercialização, ainda falta que produtores e demais agentes olhem para a cadeia produtiva como um todo, fazendo uso das estratégias de marketing e buscando os conceitos de gerenciamento da cadeia de suprimentos. ---------------------------------------------Even though not all cattle growers act as a company, they need to do that in order to keep in the market, which is concentrated and professionalized in stages ahead to the calf growing system – industrialization, wholesale, and retail. Growers’ challenge is high, due to the complexity that involves the cattle purchase process. Each trade consists in different aspects and in the participation of several people. This paper shows that the cattle purchase process conducted by slaughterhouses involves the execution of all stages related to a practice of enterprise purchase on a daily basis and some of them being executed more than once a day. Besides that, this process and the decision of purchase are being directly influenced by organizational, individual, interpersonal factors and also by the external environment. Despite coordination initiatives, growers and other agents need to deal with the productive chain as a whole, using marketing strategies and searching concepts of Supply Chain Management (SCM).
Effect Of Alternative Sweetener And Carbohydrate Polymer Mixtures On The Physical, Nutritional, And Sensorial Properties And Storage Stability Of Dark Compound Chocolate
Creators: name: WONG, KEAT YI
Publisher: name: Monash University
Year: 2024
Subjects: classificationCode: 300602
subject: Food chemistry and food sensory science

description: High sucrose content makes chocolate an unhealthy food choice, prompting the development of sucrose-free dark compound chocolate. This research focuses on the impact of different sucrose replacer mixtures on the properties of sucrose-free dark compound chocolate. The novelty lies in creating a dark compound chocolate enriched with dietary fiber and free from sucrose. This is possible by using sucrose replacer mixtures, which consist of alternative sweeteners and low-digestible carbohydrate polymers. The sucrose replacer mixture developed in this study has the potential for producing value-added dark compound chocolate and other confectionery products.
title: Entrevista a la Dra. Alicia Civera Cerecedo
Creators: name: Almiron, Victoria Soledad
name: Musín, Alcides David
name: Escalante Fernández, Carlos
Publisher: name: Cuadernos Chilenos de Historia de la Educación
Year: 2024

description: La Dra. Alicia Civera Cerecedo es investigadora en el Departamento de Investigaciones Educativas del Centro de Investigación y de Estudios Avanzados (DIE-CINVESTAV) en México. Es miembro del Sistema Nacional de Investigadores e Investigadoras, nivel III (SNII). Tiene una amplia trayectoria en el estudio de las Escuelas Normales Rurales de México en la primera mitad del siglo XX. Es autora de las obras Entre surcos y letras. Educación para campesinos en los años treinta y La escuela como opción de vida. La formación de maestros normalistas rurales en México, 1921-1945; coordinadora de varios libros, entre los que destaca Campesinos y escolares en la construcción de la escuela en el campo latinoamericano, siglos XIX y XX, así como autora de numerosos artículos y capítulos sobre la educación rural y la formación de profesores rurales.
description: Cuadernos Chilenos de Historia de la Educación, Núm. 18 (2023): Dossier: Historia de la formación docente en América Latina (desde finales del siglo XIX a las primeras décadas del siglo XXI)
On the geometric dilation of closed curves, graphs, and point sets
Creators: name: Dumitrescu, Adrian
name: Ebbers-Baumann, Annette
name: Grüne, Ansgar
name: Klein, Rolf
name: Rote, Günter
Publisher: name: arXiv
Year: 2004
Subjects: subject: Metric Geometry (math.MG)
subject: FOS: Mathematics
subject: 51F99

description: The detour between two points u and v (on edges or vertices) of an embedded planar graph whose edges are curves is the ratio between the shortest path in in the graph between u and v and their Euclidean distance. The maximum detour over all pairs of points is called the geometric dilation. Ebbers-Baumann, Gruene and Klein have shown that every finite point set is contained in a planar graph whose geometric dilation is at most 1.678, and some point sets require graphs with dilation at least pi/2 = 1.57... We prove a stronger lower bound of 1.00000000001*pi/2 by relating graphs with small dilation to a problem of packing and covering the plane by circular disks. The proof relies on halving pairs, pairs of points dividing a given closed curve C in two parts of equal length, and their minimum and maximum distances h and H. Additionally, we analyze curves of constant halving distance (h=H), examine the relation of h to other geometric quantities and prove some new dilation bounds.
description: 31 pages, 16 figures. The new version is the extended journal submission; it includes additional material from a conference submission (ref. [6] in the paper)
Associations Between Scattering Screens and Interstellar Medium Filaments
Creators: name: Stock, Ashley M.
name: van Kerkwijk, Marten H.
Publisher: name: arXiv
Year: 2024
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Pulsar scintillation can be used to measure small scale structure in the Galaxy, but little is known about the specific interstellar medium features that cause scintillation. We searched for interstellar medium counterparts to all scintillation screens for which absolute distances and scattering orientations have been measured - a sample of 12 pulsars and 22 screens. For one pulsar, PSR J0737-3039A, we re-analyze its scintillation screen and find evidence for a highly anisotropic screen. Among the screens, we found that eight are located inside of the Local Bubble, and a further six are less than 100 pc farther than its inner edge. Comparisons with tracers of ionized and magnetized media did not find any new associations. Instead, for seven of the pulsars analyzed, aligned HI filaments are seen for at least one of their screens, for a total of 12 out of 22 screens. This result seems unlikely to be due to chance: comparing with random trials, we estimate a likelihood of finding 12 or more screens with aligned emission by chance of only 0.004%. Estimating the significance of the amount of aligned emission (in standard deviations over the mean), the probability of finding as much observed aligned emission by chance is larger, at 1.7%, but still indicative of a real correlation. Since HI filaments are preferentially associated with cold neutral gas, and thus unlikely to cause scintillation, this may indicate both the filaments and the screens are aligned preferentially by the same mechanisms such as magnetic fields or shocks.
description: 29 pages, 11 figures, submitted to ApJ
Additional file 1 of Strain-resolved microbiome sequencing reveals mobile elements that drive bacterial competition on a clinical timescale
Creators: name: Soumaya Zlitni
name: Bishara, Alex
name: Moss, Eli L.
name: Tkachenko, Ekaterina
name: Kang, Joyce B.
name: Culver, Rebecca N.
name: Andermann, Tessa M.
name: Ziming Weng
name: Wood, Christina
name: Handy, Christine
name: Hanlee P. Ji
name: Batzoglou, Serafim
name: Bhatt, Ami S.
Publisher: name: figshare
Year: 2020
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics

description: Additional file 1. This file contains Figs. S1-S7, Tables S5, S6, S7, S10, and Supplementary results.
Virtual turning system
Creators: name: Zhou, Jing
Publisher: name: University of British Columbia
Year: 2009

description: The goal of machining industry is to produce the first part correctly and most optimally without resorting costly trials on the shop floor. This thesis presents a Virtual Turning system which predicts the physics of machining rotational parts before actual production on the shop floor. As opposed to measurement of physical dimensions, cutting forces, torque, and power, they are predicted in virtual environment by integrating the laws of metal cutting process and the geometric and solid modeling of the tool-workpiece engagements along the tool path. The proposed Virtual Turning has two fundamental modules. The first module identifies the tool-workpiece engagement geometry along the path, which is used by the second, cutting process simulation engine. The initial workpiece geometry and tool path (Cutter Location) are imported from commercial CAD/CAM systems using industry standard IGES or STEP NC graphics formats. The tool-workpiece intersections along the tool path are identified by applying Boolean intersections of the two parts represented by their Boundaries. In order to expedite the time consuming computations, the in-process machining features along the path are classified, engagement conditions are parametrically modeled, and recalled instead of using Boolean operations recurrently along the tool path. The proposed hybrid model which consist of tool-workpiece engagements modeled by features or solid to solid intersections, can handle turning of a verity of two dimensional, symmetric rotational parts.
A large fraction of hydrogen-rich supernova progenitors experience elevated mass loss shortly prior to explosion
Creators: name: Bruch, Rachel J.
name: Gal-Yam, Avishay
name: Schulze, Steve
name: Yaron, Ofer
name: Yang, Yi
name: Soumagnac, Maayane T.
name: Rigault, Mickael
name: Strotjohann, Nora L.
name: Ofek, Eran
name: Sollerman, Jesper
name: Masci, Frank J.
name: Barbarino, Cristina
name: Ho, Anna Y. Q.
name: Fremling, Christoffer
name: Perley, Daniel
name: Nordin, Jakob
name: Cenko, S. Bradley
name: Adams, S.
name: Adreoni, Igor
name: Bellm, Eric C.
name: Blagorodnova, Nadia
name: Bulla, Mattia
name: Burdge, Kevin
name: De, Kishalay
name: Dhawan, Suhail
name: Drake, Andrew J.
name: Duev, Dmitry A.
name: Dugas, Alison
name: Graham, Matthew
name: Graham, Melissa L.
name: Jencson, Jacob
name: Karamehmetoglu, Emir
name: Kasliwal, Mansi
name: Kim, Young-Lo
name: Kulkarni, Shrinivas
name: Kupfer, Thomas
name: Mahabal, Ashish
name: Miller, A. A.
name: Prince, Thomas A.
name: Riddle, Reed
name: Sharma, Y.
name: Smith, Roger
name: Taddia, Francesco
name: Taggart, Kirsty
name: Walters, Richard
name: Yan, Lin
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Spectroscopic detection of narrow emission lines traces the presence of circumstellar mass distributions around massive stars exploding as core-collapse supernovae. Transient emission lines disappearing shortly after the supernova explosion suggest that the spatial extent of such material is compact, and hence imply an increased mass loss shortly prior to explosion. Here, we present a systematic survey for such transient emission lines (Flash Spectroscopy) among Type II supernovae detected in the first year of the Zwicky Transient Facility (ZTF) survey. We find that at least six out of ten events for which a spectrum was obtained within two days of estimated explosion time show evidence for such transient flash lines. Our measured flash event fraction ($>30\%$ at $95\%$ confidence level) indicates that elevated mass loss is a common process occurring in massive stars that are about to explode as supernovae.
Using Tau Polarization to Discriminate between SUSY Models and Determine SUSY Parameters at ILC
Creators: name: Godbole, R. M.
name: Guchait, Monoranjan
name: Roy, D. P.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In many SUSY models the first SUSY signal in the proposed International Linear Collider is expected to come from the pair production of $\tildeτ_1$, followed by its decay into $τ$+LSP. We study a simple and robust method of measuring the polarization of this $τ$ in its 1-prong hadronic decay channel,and show how it can be used to discriminate between SUSY models and to determine SUSY parameters.
description: 9 pages, 5 figures, minor corrections; version published in Phys. Lett. B
Mass and $KΛ$ coupling of $N^*(1535)$
Creators: name: Liu, B. C.
name: Zou, B. S.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Using resonance isobar model and effective Lagrangian approach, from recent BES results on $J/ψ\to\bar ppη$ and $ψ\to\bar pK^+Λ$, we deduce the ratio between effective coupling constants of $N^*(1535)$ to $KΛ$ and $pη$ to be $R\equiv g_{N^*(1535)KΛ}/g_{N^*(1535)pη} =1.3\pm 0.3$. With previous known value of $g_{N^*(1535)pη}$, the obtained new value of $g_{N^*(1535)KΛ}$ is shown to reproduce recent $pp\to pK^+Λ$ near-threshold cross section data as well. Taking into account this large $N^*KΛ$ coupling in the coupled channel Breit-Wigner formula for the $N^*(1535)$, its Berit-Wigner mass is found to be around 1400 MeV, much smaller than previous value of about 1535 MeV obtained without including its coupling to $KΛ$. The implication on the nature of $N^*(1535)$ is discussed.
description: 9 pages, 4 figures
State preparation of lattice field theories using quantum optimal control
Creators: name: Araz, Jack Y.
name: Bhowmick, Siddhanth
name: Grau, Matt
name: McEntire, Thomas J.
name: Ringer, Felix
Publisher: name: arXiv
Year: 2024
Subjects: subject: Quantum Physics (quant-ph)
subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We explore the application of quantum optimal control (QOC) techniques to state preparation of lattice field theories on quantum computers. As a first example, we focus on the Schwinger model, quantum electrodynamics in 1+1 dimensions. We demonstrate that QOC can significantly speed up the ground state preparation compared to gate-based methods, even for models with long-range interactions. Using classical simulations, we explore the dependence on the inter-qubit coupling strength and the device connectivity, and we study the optimization in the presence of noise. While our simulations indicate potential speedups, the results strongly depend on the device specifications. In addition, we perform exploratory studies on the preparation of thermal states. Our results motivate further studies of QOC techniques in the context of quantum simulations for fundamental physics.
description: 13 pages + references, 11 figures, three tables. Accepted version for publication
A1. Recruitment; A2. Sample description; A3. Experimental tasks; A4. Further econometric analysis from Exposure to the COVID-19 pandemic environment and generosity
Creators: name: Brañas-Garza, P.
name: Jorrat, D.
name: Alfonso, A.
name: Espín, A. M.
name: Muñoz, T. García
name: Kovářík, J.
Publisher: name: The Royal Society
Year: 2021
Subjects: subject: 170299 Cognitive Science not elsewhere classified
subject: FOS: Psychology
subject: 179999 Psychology and Cognitive Sciences not elsewhere classified
subject: 60801 Animal Behaviour
subject: FOS: Biological sciences

description: We report data from an online experiment which allows us to study how generosity changed over a 6-day period during the initial explosive growth of the COVID-19 pandemic in Andalusia, Spain, while the country was under a strict lockdown. Participants (n = 969) could donate a fraction of a €100 prize to an unknown charity. Our data are particularly rich in the age distribution and we complement them with daily public information about COVID-19-related deaths, infections and hospital admissions. We find correlational evidence that donations decreased in the period under study, particularly among older individuals. Our analysis of the mechanisms behind the detected decrease in generosity suggests that expectations about others' behaviour, perceived mortality risk and (alarming) information play a key—but independent—role for behavioural adaptation. These results indicate that social behaviour is quickly adjusted in response to the pandemic environment, possibly reflecting some form of selective prosociality.
MULTIPLICADORES DE EMPREGO E RENDA DA INDÚSTRIA BRASILEIRA DE AÇÚCAR EM 2004
Creators: name: Kureski, Ricardo
name: Maia, Katy
name: Rodrigues, Rossana Lott
name: Hardt, Letica Peret Antunes
name: Kureski, Ricardo
name: Maia, Katy
name: Rodrigues, Rossana Lott
name: Hardt, Letica Peret Antunes
Publisher: name: Unknown
Year: 2008
Subjects: subject: Agribusiness
subject: Indústria
subject: Açúcar
subject: Multiplicadores
subject: Emprego
subject: Renda
subject: industry
subject: sugar
subject: multipliers
subject: employment
subject: income

description: Este artigo apresenta os multiplicadores de empregos e renda diretos, indiretos e induzidos da economia brasileira, dando ênfase para a indústria de açúcar. O primeiro passo para a realização do trabalho foi estimar a matriz de insumo-produto do Brasil para 2004. Estimou-se que para cada 1 milhão de reais de aumento na demanda agregada a indústria de açúcar cria 27 empregos e 264,1 mil reais em renda. Aplicando-se esses multiplicadores ao valor da demanda final da indústria de açúcar, o resultado foram 118,2 mil empregos e 3.839 milhões de reais de renda, considerando os efeitos diretos, indiretos e induzidos. ----------------------------------------------This article presents the inducement of direct and indirect employment and income multiplier, of brazilian economy, with an emplasis to the sugar industry. The first step to achieve these work, was by estimating the year of 2004 in Brazil and it`s input-output matrix. It was estimated that to each one million of reals, were an increased to the demand of the sugar industry and it created 27 employmentes and 264,1 thousand reals of income. Putting into practice these multipliers to the final demand of value by the sugar industry, it´s result was 118,2 thousand employment and 3.839 millions reals of income, by taking into consideration the inducement of direct and indirect efects.
Global QCD fit from $Q^2=0$ to $Q^2=30000$ GeV$^2$ with Regge-compatible initial condition
Creators: name: Soyez, Gregory
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In this paper I show that it is possible to use Regge theory to constrain the initial parton distribution functions of a global DGLAP fit. In this approach, both quarks and gluons have the same high-energy behaviour which may also be used to describe soft interactions. More precisely, I show that, if we parametrise the parton distributions with a triple-pole pomeron, {\em i.e.} like $\log^2(1/x)$ at small $x$, at $Q^2=Q_0^2$ and evolve these distribution with the DGLAP equation, we can reproduce $F_2^p$, $F_2^d$, $F_2^n/F_2^p$, $F_2^{νN}$ and $xF_3^{νN}$ for $W^2\ge 12.5$ GeV$^2$. In this case, we obtain a new leading-order global QCD fit with a Regge-compatible initial condition. I shall also show that it is possible to use Regge theory to extend the parton distribution functions to small $Q^2$. This leads to a description of the structure functions over the whole $Q^2$ range based on Regge theory at low $Q^2$ and on QCD at large $Q^2$. Finally, I shall argue that, at large $Q^2$, the parton distribution functions obtained from DGLAP evolution and containing an essential singularity at $j=1$ can be approximated by a triple-pole pomeron behaviour.
description: 42 pages, 18 figures
One-dependent trigonometric determinantal processes are two-block-factors
Creators: name: Broman, Erik I.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 60G10. (Primary)

description: Given a trigonometric polynomial f:[0,1]\to[0,1] of degree m, one can define a corresponding stationary process {X_i}_{i\in Z} via determinants of the Toeplitz matrix for f. We show that for m=1 this process, which is trivially one-dependent, is a two-block-factor.
description: Published at http://dx.doi.org/10.1214/009117904000000595 in the Annals of Probability (http://www.imstat.org/aop/) by the Institute of Mathematical Statistics (http://www.imstat.org)