cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Neutron-scattering study of spin correlations in La1.94-xSrxCe0.06CuO4
Creators: name: Enoki, M.
name: Fujita, M.
name: Yamada, K.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We performed a neutron-scattering experiment to investigate the effect of distortion of CuO2 planes on the low-energy spin correlation of La1.94-xSrxCe0.06CuO4 (LSCCO). Due to the carrier-compensation effect by co-doping of Sr and Ce, LSCCO has a smaller orthorhombic lattice distortion compared to La2-xSrxCuO4 (LSCO) with comparable hole concentration p. A clear gap with the edge-energy of 6~7 meV was observed in the energy spectrum of local dynamical susceptibility c"(w) for both x=0.18 (p~0.14) and x=0.24 (p~0.20) samples as observed for optimally-doped LSCO (x=0.15~0.18). For the x=0.14 (p~0.10) sample, in addition to the gap-like structure in c"(w) we observed a low-energy component within the gap which develops below 2~3meV with decreasing the energy. The low-energy component possibly coincides with the static magnetic correlation observed in this sample. These results are discussed from a view point of relationship between the stability of low-energy spin fluctuations and the distortion of CuO2 planes.
description: 4 pages, 3 figures, proceeding for SNS2007 conference
Dipolar gases in quasi one-dimensional geometries
Creators: name: Sinha, S.
name: Santos, L.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We analyze the physics of cold dipolar gases in quasi one-dimensional geometries, showing that the confinement-induced scattering resonances produced by the transversal trapping are crucially affected by the dipole-dipole interaction. As a consequence, the dipolar interaction may drastically change the properties of quasi-1D dipolar condensates, even for situations in which the dipolar interaction would be completely overwhelmed by the short-range interactions in a 3D environment.
description: 4 pages, 3 eps figures
DIAGNÓSTICO MICROBIOLÓGICO DA ÁGUA DE CISTERNAS NAS ESCOLAS PÚBLICAS DA CIDADE DE ALGODÃO DE JANDAÍRA/PB
Creators: name: Aldeni Barbosa da Silva
name: Edmilson Dantas da Silva Filho
name: Avaetê de Lunetta e Rodrigues Guerra
name: Geraldo da Mota Dantas
Publisher: name: Zenodo
Year: 2023

description: Esse trabalho teve o objetivo de verificar a qualidade microbiológica da água de cisternas nas escolas públicas da zona urbana do município de Algodão de Jandaíra-PB. As amostras de água destinadas para as análises microbiológicas foram coletadas diretamente das cisternas em garrafas de vidro (500 ml) com boca larga, protegidas com papel laminado, previamente esterilizadas em autoclave a 121 oC, por 30 minutos, e foram encaminhadas para o Laboratório do Centro de Formação Profissional do Instituto Albano Franco de Tecnologia de Couro e de Calçado (CTCC) em Campina Grande/PB. Os parâmetros analisados foram: coliformes totais, coliformes termotolerantes, Escherichia coli e bactérias heterotróficas. Por motivos éticos, os nomes das referidas escolas foram mantidos em sigilo, sendo as amostras coletadas nas mesmas, identificadas como amostras 1, 2, 3, 4 e 5. Observou-se que, entre as amostras analisadas, duas delas (2 e 3) apresentaram quantidade de bactérias heterotróficas, totalmente fora dos limites estabelecidos pela portaria vigente (até 500 UFC mL-1). Os resultados obtidos para a pesquisa de coliformes totais e coliformes termotolerantes foram positivos em todas as amostras coletadas. A presença da bactéria E. coli não foi evidenciada em nenhuma das amostras. Conclui-se que todas as amostras estão em desacordo com as recomendações estipuladas pela Portaria do Ministério da Saúde de nº 5, de 28 de setembro de 2017, necessitando, portanto, de tratamento prévio antes de serem fornecidas para consumo humano.
Verbal compounds in Japanese : implications for morphological theory
Creators: name: Masahiko, Nakata
Publisher: name: University of British Columbia
Year: 2010

description: A number of past studies on verbal compounds show the asymmetry between subjects (external arguments) and non-subjects (internal arguments). The same type of asymmetry between subjects and non-subjects has been observed and well-known (though, see Bresnan 1983) in syntax. Several linguists, such as Roeper and Siegel (1978), Selkirk (1982) and Lieber (1983), have proposed an independent principle to account for this asymmetry. In this thesis, an attempt is made to show such a principle is unnecessary. Moreover, it is argued that the existing syntactic principle can be extended to cover the domain of morphology. Once the above proposal is shown to be a desirable and plausible move, then other aspects of morphology, namely, a theory of percolation, can be reduced to bare minimal - 'Percolate freely'. The problematic case of [ V-V ][sub v] compounds in the previous theories is resolved, again, by adopting the proposal made for syntactic co-ordinate structure three-dimensional representation.
Chiral soliton lattice phase in warm QCD
Creators: name: Brauner, Tomáš
name: Kolešová, Helena
name: Yamamoto, Naoki
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We analyze the phase diagram of quantum chromodynamics at low-to-moderate temperature, baryon chemical potential and external magnetic field within chiral perturbation theory at next-to-leading order of the derivative expansion. Our main result is that the anomaly-induced chiral soliton lattice (CSL) phase is stabilized by thermal fluctuations. As a consequence, the CSL state may survive up to temperatures at which chiral symmetry is restored.
description: 6 pages + references, 2 figures; v2: added explicit discussion of power counting
Entropy function and higher derivative corrections to entropies in (anti-)de Sitter space
Creators: name: Shu, Fu-Wen
name: Ge, Xian-Hui
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We first briefly discuss the relation between black hole thermodynamics and the entropy function formalism. We find that an equation which governs the relationship between Sen's entropy function and black hole entropy, can quickly give higher order corrections to entropy of pure (anti-) de Sitter space without knowing the corrected metric. We also show that near horizon geometry and the entropy function extremization is no longer required for pure (anti-)de Sitter space. The entropy of (anti-)de Sitter space and Schwarzschild-(anti-) de Sitter black holes together with Gauss-Bonnet terms, $R^2$ terms and $R^4$ terms are calculated as concrete examples.
description: 24 pages, contents improved, typos corrected, references added
Spherically symmetric solutions of Einstein + non-polynomial gravities
Creators: name: Deser, S.
name: Sarioglu, O.
name: Tekin, B.
Publisher: name: arXiv
Year: 2007
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We obtain the static spherically symmetric solutions of a class of gravitational models whose additions to the General Relativity (GR) action forbid Ricci-flat, in particular, Schwarzschild geometries. These theories are selected to maintain the (first) derivative order of the Einstein equations in Schwarzschild gauge. Generically, the solutions exhibit both horizons and a singularity at the origin, except for one model that forbids spherical symmetry altogether. Extensions to arbitrary dimension with a cosmological constant, Maxwell source and Gauss-Bonnet terms are also considered.
description: 6 pages, no figures, REVTeX 4
Observable signatures of enhanced axion emission from protoneutron stars
Creators: name: Fischer, Tobias
name: Carenza, Pierluca
name: Fore, Bryce
name: Giannotti, Maurizio
name: Mirizzi, Alessandro
name: Reddy, Sanjay
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We perform general relativistic one-dimensional supernova (SN) simulations to identify observable signatures of enhanced axion emission from the pion-induced reaction $π^- + p \rightarrow n + a$ inside a newly born protoneutron star (PNS).We focus on the early evolution after the onset of the supernova explosion to predict the temporal and spectral features of the neutrino and axion emission during the first 10 s. Pions are included as explicit new degrees of freedom in hot and dense matter. Their thermal population and their role in axion production are both determined consistently to include effects due to their interactions with nucleons. For a wide range of ambient conditions encountered inside a PNS, we find that the pion-induced axion production dominates over nucleon-nucleon bremsstrahlung processes. By consistently including the role of pions on the dense matter equation of state and on the energy loss, our simulations predict robust discernible features of neutrino and axion emission from a galactic supernova that can be observed in terrestrial detectors. For axion couplings that are compatible with current bounds, we find a significant suppression with time of the neutrino luminosity during the first 10 s. This suggests that current bounds derived from the neutrino signal from SN 1987A can be improved and that future galactic supernovae may provide significantly more stringent constraints.
description: 17 pages, 12 figures, Physical Review D 104, 103012 (2021)
Supersymmetric Partners of the One-Dimensional Infinite Square Well Hamiltonian
Creators: name: Gadella, M.
name: Hernández-Muñoz, J.
name: Nieto, L. M.
name: Millán, C. San
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mathematical Physics (math-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We find supersymmetric partners of a family of self-adjoint operators which are self-adjoint extensions of the differential operator $-d^2/dx^2$ on $L^2[-a,a]$, $a>0$, that is, the one dimensional infinite square well. First of all, we classify these self-adjoint extensions in terms of several choices of the parameters determining each of the extensions. There are essentially two big groups of extensions. In one, the ground state has strictly positive energy. On the other, either the ground state has zero or negative energy. In the present paper, we show that each of the extensions belonging to the first group (energy of ground state strictly positive) has an infinite sequence of supersymmetric partners, such that the $\ell$-th order partner differs in one energy level from both the $(\ell-1)$-th and the $(\ell+1)$-th order partners. In general, the eigenvalues for each of the self-adjoint extensions of $-d^2/dx^2$ come from a transcendental equation and are all infinite. For the case under our study, we determine the eigenvalues, which are also infinite, {all the extensions have a purely discrete spectrum,} and their respective eigenfunctions for all of its $\ell$-th supersymmetric partners of each extension.
description: 17 pages, 1 table and 5 figures
Random-Matrix Approach to RPA equations. I
Creators: name: Barillier-Pertuisel, X.
name: Bohigas, O.
name: Weidenmueller, H. A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Nuclear Theory (nucl-th)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We study the RPA equations in their most general form by taking the matrix elements appearing in the RPA equations as random. This yields either a unitarily or an orthogonally invariant random-matrix model which is not of the Cartan type. The average spectrum of the model is studied with the help of a generalized Pastur equation. Two independent parameters govern the behaviour of the system: The strength $α^2$ of the coupling between positive- and negative-energy states and the distance between the origin and the centers of the two semicircles that describe the average spectrum for $α^2 = 0$, the latter measured in units of the equal radii of the two semicircles. With increasing $α^2$, positive- and negative-energy states become mixed and ever more of the spectral strength of the positive-energy states is transferred to those at negative energy, and vice versa. The two semicircles are deformed and pulled toward each other. As they begin to overlap, the RPA equations yield non--real eigenvalues: The system becomes unstable. We determine analytically the critical value of the strength for the instability to occur. Several features of the model are illustrated numerically.
description: 29 pages, 6 figures
On the abundance of supersymmetric strings in $AdS_3\times S^3\times S^3\times S^1$ describing BPS line operators
Creators: name: Correa, Diego H.
name: Giraldo-Rivera, Victor I.
name: Lagares, Martín
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study supersymmetric open strings in type IIB $AdS_3 \times S^3 \times S^3 \times S^1$ with mixed R-R and NS-NS fields. We focus on strings ending along a straight line at the boundary of $AdS_3$, which can be interpreted as line operators in a dual CFT$_2$. We study both classical configurations and quadratic fluctuations around them. We find that strings sitting at a fixed point in $S^3 \times S^3 \times S^1$, i.e. satisfying Dirichlet boundary conditions, are 1/2 BPS. We also show that strings sitting at different points of certain submanifolds of $S^3 \times S^3 \times S^1$ can still share some fraction of the supersymmetry. This allows to define supersymmetric smeared configurations by the superposition of them, which range from 1/2 BPS to 1/8 BPS. In addition to the smeared configurations, there are as well 1/4 BPS and 1/8 BPS strings satisfying Neumann boundary conditions. All these supersymmetric strings are shown to be connected by a network of interpolating BPS boundary conditions. Our study reveals the existence of a rich moduli of supersymmetric open string configurations, for which the appearance of massless fermionic fields in the spectrum of quadratic fluctuations is crucial.
description: 23 pages, 1 figure; v3: typos corrected and clarifications added. Version to appear in J.Phys.A
Transport processes in stars: diffusion, rotation, magnetic fields and internal waves
Creators: name: Talon, Suzanne
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: In this paper, I explore various transport processes that have a large impact of the distribution of elements inside stars and thus, on stellar evolution. A heuristic description of the physics behind equations is provided, and key references are given. Finally, for each process, I will briefly review (some) important results as well as discuss directions for future work.
description: 50 pages, proceedings of the Aussois school "Stellar Nucleosynthesis: 50 years after B2FH"
High Mobility Group A1 (HMGA1) proteins regulate p53-mediated transcription of Bcl-2 gene
Creators: name: Esposito, Francesco
Publisher: name: Università degli Studi di Napoli Federico II
Year: 2008

description: The high mobility group A (HMGA) non-histone chromosomal proteins constitute a subgroup of HMG accessory factors that play key roles in chromatin architecture and orchestrate the assembly of nucleoprotein complexes involved in gene transcription, replication, and chromatin structure through a complex network of protein-DNA and protein-protein interactions. HMGA overexpression and gene rearrangements are frequent events in human cancer, but the molecular basis of HMGA oncogenic activity remains partially unclear. Recently, we have defined a new physical and functional interaction between HMGA1 and p53. This interaction modulates the transcription of p53 target genes such as Mdm2, p21waf1, Bax, and inhibits p53-mediated apoptosis. Moreover, we have described a new mechanism through which HMGA1 inhibits p53-mediated apoptosis by counteracting the p53 proapoptotic activator homeodomain-interacting protein kinase 2 (HIPK2), which binds to and activates p53 by phosphorylating it at Ser46. We found that HMGA1 overexpression promoted HIPK2 relocalization from the nucleus to the cytoplasm, with consequent inhibition of p53 apoptotic function. During my doctorate course, I looked for other target genes that could be regulated by the HMGA1-p53 complex. So, I focused my attention on the apoptosis inhibitor gene Bcl-2, because this gene belongs to Bax family, is regulated by p53, and its promoter has several possible target regions for the HMGA1 proteins binding. I demonstrated that HMGA1 binds Bcl-2 promoter in vitro and in vivo, and that this binding exerts regulatory effects on Bcl-2 transcription. In fact, HMGA1 is able to abolish the repression promoted by p53 on Bcl-2 expression. This effect, as for the Bax promoter regulation, is due to HIPK2 delocalization, from the nucleus to the cytoplasm. Therefore, also Bcl-2 is a gene regulated by HMGA1-p53-HIPK2 complex. Subsequently, my studies were focalized in finding other possible components of this multiprotein complex. Using the neuronal cell line ND7, I found that the transcription factor Brn-3a belongs to this complex. Brn-3a is one of the most important activators of Bcl-2 transcription but, when p53 is overexpressed, it acts as a corepressor for this gene. Moreover, the binding of Brn-3a to its consensus sequences is positively regulated by HIPK2. I demonstrated that HMGA1 overexpression, in this cellular context, promotes not only HIPK2 delocalization from nucleus to the cytoplasm, but also the reduction of Brn-3a binding to the Bcl-2 promoter, removing Brn-3a from its role of corepressor following p53 overexpression. These data support the causal role suggested for the HMGA1 proteins in the neoplastic transformation and provide another mechanism of inactivation of p53 apoptotic function
POORLY DIFFERENTIATED FOLLICULAR THYROID CARCINOMA:
PROGNOSTIC FACTORS AND RELEVANCE OF HISTOLOGICAL CLASSIFICATION
Creators: name: Pulcrano, Melania
Publisher: name: Università degli Studi di Napoli Federico II
Year: 2008

description: Background. Poorly differentiated follicular carcinomas (PDFC) of the thyroid represent an heterogeneous but distinct group of tumors, clinically and histopathogenetically intermediate between follicular-derived well-differentiated and anaplastic carcinomas. The existence of this group of tumors was first proposed independently by Sakamoto et al. in 1983 and  Carcangiu et al. in 1984 according to substantially different diagnostic criteria. Indeed, although the number of articles written on the subject of PD carcinoma has grown exponentially during the last decade, at the present the diagnostic criteria differ between  various authors. Moreover, there is no clear definition of the histological, immunohistochemical and genetic characteristics of PDFC. Furthermore, although the majority of studies show the aggressiveness of PDFC with a high propensity for local recurrence and distant metastasis, there is no consensus regarding the prognostic indicators for these tumors.
Objective:  The work performed during my Doctorate thesis in France contributes to clarify the histological definition and to identify clinical, histological, immunohistochemical characteristics of PDFC. For this purpose, parallel clinical, histological and immunohistochemical investigations have been performed.
Methods: Forty patients affected by PDFC were identified on the basis of a trabecular, insular, or solid (TIS) growth pattern, and their clinical outcome was correlated with histological architecture, cytological characteristics and expression of various markers of cell proliferation and differentiation such as cyclin A, B1, D1 and E, Ki67, TPO, galectin 3, Duox, VEGF, EGFR, P53.
Results: The mean survival was 5.2  5 years. At 5 years,the survival rate was 63% and the metastasis-free survival rate was 57%. An older age at the time of diagnosis and a larger tumor size were associated with an increased risk of distant metastases and of cancer related death whereas a high expression of Duox was associated with a reduced risk of death. In these patients with PDFC, no histological features or marker expression was prognostic. Conclusion: this study confirmed that PDFC has a more aggressive behavior than well differentiated carcinoma (WDC); prognosis is related to indicators that are relevant in patients with WDC, advanced age and larger tumor size.
Anisotropic scattering in angular-dependent magnetoresistance oscillations of quasi-2D and quasi-1D metals: beyond the relaxation-time approximation
Creators: name: Smith, M. F.
name: McKenzie, Ross
Publisher: name: arXiv
Year: 2008
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The electrical resistivity for a current moving perpendicular to layers (chains) in quasi-2D (quasi-1D) metals under an applied magnetic field of varying orientation is studied using Boltzmann transport theory. We consider the simplest non-trivial quasi-2D and quasi-1D Fermi surfaces but allow for an arbitrary elastic collision integral (i.e., a scattering probability with arbitrary dependence on momentum-transfer) and obtain an expression for the resistivity which generalizes that previously found using a single relaxation-time approximation. The dependence of the resistivity on the angle between the magnetic field and current changes depending on the momentum-dependence of the scattering probability. So, whereas zero-field intra-layer transport is sensitive only to the momentum-averaged scattering probability (the transport relaxation rate) the resistivity perpendicular to layers measured in a tilted magnetic field provides detailed information about the momentum-dependence of interlayer scattering. These results help clarify the meaning of the relaxation rate determined from fits of angular-dependent magnetoresistance oscillations (AMRO) experimental data to theoretical expressions. Furthermore, we suggest how AMRO might be used to probe the dominant scattering mechanism.
description: 12 pages, 7 figures
Energy corrections due to the noncommutative phase-space of the charged isotropic harmonic oscillator in a uniform magnetic field in 3D
Creators: name: Eser, Muhittin Cenk
name: Riza, Mustafa
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In this study, we investigate the effects of noncommutative Quantum Mechanics in three dimensions on the energy levels of a charged isotropic harmonic oscillator in the presence of a uniform magnetic field in the z-direction. The extension of this problem to three dimensions proves to be non-trivial. We obtain the first-order corrections to the energy-levels in closed form in the low energy limit of weak noncommutativity. The most important result we can note is that all energy corrections due to noncommutativity are negative and their magnitude increase with increasing Quantum numbers and magnetic field.
description: 13 pages, 3 figues. arXiv admin note: text overlap with arXiv:2008.04076
Artifact of the phonon-induced localization by variational calculations in the spin-boson model
Creators: name: Chen, Zhi-De
name: Wong, Hang
Publisher: name: arXiv
Year: 2007
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We present energy and free energy analyses on all variational schemes used in the spin-boson model at both T=0 and $T\neq0$. It is found that all the variational schemes have fail points, at where the variational schemes fail to provide a lower energy (or a lower free energy at $T\neq0$) than the displaced-oscillator ground state and therefore the variational ground state becomes unstable, which results in a transition from a variational ground state to a displaced oscillator ground state when the fail point is reached. Such transitions are always misidentied as crossover from a delocalized to localized phases in variational calculations, leading to an artifact of phonon-induced localization. Physics origin of the fail points and explanations for different transition behaviors with different spectral functions are found by studying the fail points of the variational schemes in the single mode case.
description: 9 pages, 7 figures
SVILUPPO DI UNA NUOVA MAIONESE FUNZIONALE RICCA IN ACIDI GRASSI OMEGA 3 E 6: CARATTERIZZAZIONE STRUMENTALE E SENSORIALE
Creators: name: D'Amore, Amalia
Publisher: name: Università degli Studi di Napoli Federico II
Year: 2008

description: Lo scopo primario della dieta è fornire nutrienti sufficienti a soddisfare le esigenze nutrizionali della
persona. Sono sempre di più le prove scientifiche a sostegno dell’ipotesi che alcuni alimenti e
componenti alimentari abbiano effetti benefici, fisiologici e psicologici, che vanno oltre l’apporto dei
nutrienti di base. Tra i componenti alimentari biologicamente attivi e potenzialmente in grado di
ottimizzare il benessere fisico e mentale e di ridurre il rischio di malattie cardiovascolari sono
annoverati gli acidi grassi essenziali omega 3 e 6.
Gli acidi grassi omega-3 e omega-6, quindi, possono essere e sono utilizzati per la produzione di
alimenti funzionali; inoltre, l'aumento di interesse per i vantaggi sanitari potenziali associati al
consumo di acidi grassi n-3 a lunga catena ha condotto alla vendita di supplementi e cibi fortificati
che li contengono.
In tale ambito si inserisce questo lavoro di tesi, il cui obiettivo è quello di testare la fattibilità della
produzione e l’accettabilità da parte dei consumatori di una salsa maionese ricca in acidi grassi
omega 3 e 6; la presenza di tali composti è dovuta all’aggiunta nella formulazione di olio di noce.
La fattibilità produttiva di questa salsa maionese innovativa è stata valutata attraverso una
caratterizzazione sensoriale e strumentale, ottenuta da prove reologiche dinamico-meccaniche,
osservazione della microstruttura tramite microscopia a scansione elettronica, analisi colorimetrica
e del pH, determinazione dell’acidità, del numero di perossidi e della composizione acidica della
matrice lipidica estratta dalla maionese prodotta.
L’accettabilità da parte dei consumatori è stata valutata utilizzando le due metodiche della
Consumer Science e cioè effettuando dei Focus group interviews e successivamente dei consumer
tests. Obiettivo di questa fase del progetto è stato valutare l’effetto della presenza contestuale di
differenti alimenti sul giudizio di accettabilità e di gradimento degli attributi sensoriali della
maionese, in presenza e in assenza del messaggio salutistico.
La maionese è stata prodotta con olio di girasole parzialmente o totalmente sostituito da olio di
noce; per ogni livello di sostituzione dell’olio di girasole sono stati prodotti due lotti di maionese; in
particolare preparati a due differenti velocità di rotazione dell’omogenizzatore: 600 e 1200 giri al
minuto (rpm). I prodotti sono stati stoccati per 90 giorni durante i quali sono state effettuate le
misure strumentali, mentre per i prodotti freschi sono stati determinati anche i profili sensoriali e
l’accettabilità da parte dei consumatori.
Time Matters: Exploring the Effects of Urgency and Reaction Speed in Automated Traders
Creators: name: Hanifan, Henry
name: Watson, Ben
name: Cartlidge, John
name: Cliff, Dave
Publisher: name: arXiv
Year: 2021
Subjects: subject: Multiagent Systems (cs.MA)
subject: Computational Engineering, Finance, and Science (cs.CE)
subject: Computational Finance (q-fin.CP)
subject: Trading and Market Microstructure (q-fin.TR)
subject: FOS: Computer and information sciences
subject: FOS: Economics and business

description: We consider issues of time in automated trading strategies in simulated financial markets containing a single exchange with public limit order book and continuous double auction matching. In particular, we explore two effects: (i) reaction speed - the time taken for trading strategies to calculate a response to market events; and (ii) trading urgency - the sensitivity of trading strategies to approaching deadlines. Much of the literature on trading agents focuses on optimising pricing strategies only and ignores the effects of time, while real-world markets continue to experience a race to zero latency, as automated trading systems compete to quickly access information and act in the market ahead of others. We demonstrate that modelling reaction speed can significantly alter previously published results, with simple strategies such as SHVR outperforming more complex adaptive algorithms such as AA. We also show that adding a pace parameter to ZIP traders (ZIP-Pace, or ZIPP) can create a sense of urgency that significantly improves profitability.
description: 22 pages. To be published in A. P. Rocha et al. (Eds.), ICAART 2020, LNAI 12613, 2021. arXiv admin note: substantial text overlap with arXiv:1912.02775
Gravitational lensing effect in traversable wormholes
Creators: name: Godani, Nisha
name: Samanta, Gauranga C.
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The present paper is intended for studying the effect of strong gravitational lensing in the context of charged wormhole. To study this effect, the conditions determining the existence of photon spheres at and outside the throat are obtained. The necessary and sufficient conditions for the existence of photon spheres at or outside the throat of the charged wormhole is derived. Furthermore, photon spheres are investigated in three cases for three different forms of redshift function. These three cases include the existence of effective photon spheres (i) at the throat, (ii) outside the throat and (iii) both at and outside the throat. Consequently, these provide the information about the formation of infinite number of concentric rings and may lead to the detection of wormhole geometries.
description: 13 pages, 15 figures
Intermittency of Fast MHD Modes and Regions of Anomalous Gradient Orientation in Low-beta Plasmas
Creators: name: Ho, Ka Wai
name: Lazarian, Alex
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: The strong alignment of small-scale turbulent Alfvénic motions with the direction of the magnetic field that percolates the small-scale eddies and imprints the direction of the magnetic field is a property that follows from the MHD theory and the theory of turbulent reconnection. The Alfvénic eddies mix magnetic fields perpendicular to the direction of the local magnetic field, and this type of motion is used to trace magnetic fields with the velocity gradient technique (VGT). The other type of turbulent motion, fast modes, induces anisotropies orthogonal to Alfvénic eddies and interferes with the tracing of the magnetic field with the VGT. We report a new effect, i.e., in a magnetically dominated low-βsubsonic medium, fast modes are very intermittent, and in a volume, with a small filling factor the fast modes dominate other turbulent motions. We identify these localized regions as the cause of the occasional change of direction of gradients in our synthetic observations. We show that the new technique of measuring the gradients of gradient amplitudes suppresses the contribution from the fast-mode-dominated regions, improving the magnetic field tracing. In addition, we show that the distortion of the gradient measurements by fast modes is also applicable to the synchrotron intensity gradients, but the effect is reduced compared to the VGT.
description: 14 pages, 13 figures
Dendrobrachia Brook 1889
Creators: name: Pante, Eric
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Cnidaria
Anthozoa
Alcyonacea
Dendrobrachiidae
Dendrobrachia

description: Nomenclatural note on the homonymy between the octocoral genus Dendrobrachia Brook 1889 and the entoproct phylum Dendrobrachia Xian-Guan, Bergström, Xio-Ya and Jie 2006
ERIC PANTE
 LIENSs Laboratory, UMR 7266 CNRS-University of La Rochelle, 2 rue Olympe de Gouges, 17000 La Rochelle, France
 Dendrobrachia was proposed by Xian-Guan et al. (2006) as the name of a new phylum of entoproct-like animals from the Lower Cambrian (Yunnan Province, China). This name was however preoccupied by the octocoral Dendrobrachia Brook 1889, which position within the subclass Octocorallia is currently uncertain (Opresko and Bayer 1991; Berntson et al. 1999, 2001). Based on the principles of homonymy and priority (Articles 52 and 23, respectively; ICZN 1999), a substitute name for the entoproct Dendrobrachia is necessary, and I propose Dendrobrachion (based on the Greek brachion, for arm).
description: Published as part of Pante, Eric, 2016, Nomenclatural note on the homonymy between the octocoral genus Dendrobrachia Brook 1889 and the entoproct phylum Dendrobrachia Xian-Guan, Bergström, Xio-Ya and Jie 2006, pp. 598 in Zootaxa 4107 (4) on page 598, DOI: 10.11646/zootaxa.4107.4.8, http://zenodo.org/record/263773
Stato ossido-riduttivo e risposta fisiologica a modificazioni ambientali in Bubalus bubalis
Creators: name: Pugliese, Carmela Regina
Publisher: name: Università degli Studi di Napoli Federico II
Year: 2009

description: In Italia, l’allevamento del bufalo rappresenta un elemento fondamentale nell’economia, soprattutto nelle zone DOP “Mozzarella di Bufala Campana”, producendo un indotto di rilevante impatto socio-economico. Il settore latteo-caseario, infatti, ha da sempre rivestito un ruolo fondamentale nel nostro paese, raggiungendo nel 2007 un fatturato di 14.2 miliardi euro. Circa il 73% dei bufali allevati in Italia è attualmente concentrato nella regione Campania, sebbene l’allevamento del bufalo si stia diffondendo anche in regioni più vicine ai mercati europei. Il ritorno economico derivante dalla trasformazione del latte in mozzarella ha favorito il continuo incremento sia della popolazione bufalina sia delle aziende. Il mio progetto di dottorato ha puntato a: 1) valorizzare e a caratterizzare prodotti tipici della regione Campania attraverso la determinazione dei livelli caratteristici di antiossidanti e marcatori di danno ossidativo; 2) studiare la risposta fisiologica di bufale in lattazione alle variazioni climatiche (temperatura esterna) e alla variazione della densità di stabulazione. L’analisi dell’omeostasi redox del plasma e dei fluidi follicolari ovarici è stata utilizzata come strumento di valutazione del benessere animale. L’analisi dello stato redox del latte e dei suoi derivati è stata utilizzata come strumento per determinare le caratteristiche qualitative del prodotto, in quanto gli antiossidanti contribuiscono a prevenire o limitare i danni ossidativi a lipidi e proteine. I risultati ottenuti hanno permesso di dimostrare che tocoferolo (Toc) e retinolo (Ret) sono legati da proteine presenti nel citoplasma di cellule mammarie delle bufale. Queste proteine, che agiscono da “carriers” intracellulari, hanno apparentemente lo stesso peso molecolare (33 kD). Le variazioni nelle concentrazioni di questi carriers solubili sono associate alle variazioni del trasporto dei due antiossidanti attraverso le cellule mammarie. L’aumento dei livelli plasmatici di T3, nelle bufale in lattazione, in inverno è associato all’incremento dei livelli di proteine che legano Ret e Toc nel citoplasma delle cellule epiteliali delle mammelle, e di conseguenza all’aumento dei livelli di Ret e Toc nel latte.
Beta-decay branching ratios of 62Ga
Creators: name: Bey, A.
name: Blank, B.
name: Canchel, G.
name: Dossat, C.
name: Giovinazzo, J.
name: Matea, I.
name: Elomaa, V.
name: Eronen, T.
name: Hager, U.
name: Hakala, M.
name: Jokinen, A.
name: Kankainen, A.
name: Moore, I.
name: Penttila, H.
name: Rinta-Antila, S.
name: Saastamoinen, A.
name: Sonoda, T.
name: Aysto, J.
name: Adimi, N.
name: De France, G.
name: Thomas, J. C.
name: Voltolini, G.
name: Chaventré, T.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Beta-decay branching ratios of 62Ga have been measured at the IGISOL facility of the Accelerator Laboratory of the University of Jyvaskyla. 62Ga is one of the heavier Tz = 0, 0+ -> 0+ beta-emitting nuclides used to determine the vector coupling constant of the weak interaction and the Vud quark-mixing matrix element. For part of the experimental studies presented here, the JYFLTRAP facility has been employed to prepare isotopically pure beams of 62Ga. The branching ratio obtained, BR= 99.893(24)%, for the super-allowed branch is in agreement with previous measurements and allows to determine the ft value and the universal Ft value for the super-allowed beta decay of 62Ga.
Light induced stress and work in photomechanical materials
Creators: name: Svanidze, Anastasiia
name: Guo, Tianyi
name: Zheng, Xiaoyu
name: Palffy-Muhoray, Peter
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Increasingly important photomechanical materials produce stress and mechanical work when illuminated. We propose experimentally accessible performance metrics for photostress and photowork, enabling comparison of materials performance. We relate these metrics to material properties, providing a framework for the design and optimization of photomechanical materials.
description: 7 pages, 2 figures, 1 table
All optical sensor for automated magnetometry based on Coherent Population Trapping
Creators: name: Belfi, J.
name: Bevilacqua, G.
name: Biancalana, V.
name: Dancheva, Y.
name: Moi, L.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: An automated magnetometer suitable for long lasting measurement under stable and controllable experimental conditions has been implemented. The device is based on Coherent Population Trapping (CPT) produced by a multi-frequency excitation. CPT resonance is observed when a frequency comb, generated by diode laser current modulation, excites Cs atoms confined in a $π/4\times(2.5)^2\times1 \textrm{cm}^3$, 2 Torr $N_2$ buffered cell. A fully optical sensor is connected through an optical fiber to the laser head allowing for truly remote sensing and minimization of the field perturbation. A detailed analysis of the CPT resonance parameters as a function of the optical detuning has been made in order to get high sensitivity measurements. The magnetic field monitoring performances and the best sensitivity obtained in a balanced differential configuration of the sensor are presented.
description: 8 pages, 10 figures, appearing in JOSA B (7?) 2007
Jules Champfleury (1821-1889: littérature et caricature
Creators: name: Lo Feudo, Michela
Publisher: name: Università degli Studi di Napoli Federico II
Year: 2009

description: « Inventée » en Italie à la fin du XVIe siècle, la caricature naît comme divertissement de l’artiste qui se plaît à peindre des portraits comiques en remettant en cause les règles de la représentation. Elle se caractérise d’entrée de jeu par sa double valence mimétique et expressive et atteint son apothéose sous la Monarchie de Juillet. Grâce à l’introduction de la presse industrielle et de la lithographie, elle devient l’un des instruments de contestation politique et de l’enquête sociale menée à travers l’étude des mœurs bourgeoises. C’est au sein de la « petite presse » que la caricature partage avec l’écriture critique et fictionnelle de nouveaux projets esthétiques. A partir de l’expérience de Balzac, pionnier du journalisme et théoricien de la caricature littéraire autour de 1830, la « petite presse » est le lieu où Jules Champfleury, critique d’art, conteur, romancier, théoricien du Réalisme en art, auteur de pantomimes et d’une monumentale Histoire de la caricature, expérimente les armes de la charge. La notion de portrait satirique est le plus important des lieux conceptuels et esthétiques réinterrogés dans et par son écriture piquante. Elle permet une réflexion plus ample sur la condition des artistes et des arts au XIXe siècle ainsi que sur la représentation elle-même. Un fil conducteur unit alors l’œuvre vaste et hétérogène de Champfleury, une œuvre qui se développe à partir de son expérience journalistique et arrive jusqu’aux romans et aux manifestes des années 1850. L’enquête qu’il y mène sera pour l’auteur la prémisse de son Histoire de la caricature: dans ses recherches historiques d’un type complexe, se donne à lire un véritable questionnement sur la littérature contemporaine.
Algebraic relations among periods and logarithms of rank 2 Drinfeld modules
Creators: name: Chang, Chieh-Yu
name: Papanikolas, Matthew A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Number Theory (math.NT)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 11J93 (Primary) 11G09 (Secondary)

description: For any rank 2 Drinfeld module rho defined over an algebraic function field, we consider its period matrix P, which is analogous to the period matrix of an elliptic curve defined over a number field. Suppose that the characteristic of F_q is odd and rho is without complex multiplication. We show that the transcendence degree of the field generated by the entries of P over F_q(theta) is 4. As a consequence, we show also the algebraic independence of Drinfeld logarithms of algebraic functions which are linearly independent over F_q(theta).
description: 25 pages
To the construction of ocean climatologies
Creators: name: Gouretski, Viktor
Publisher: name: Zenodo
Year: 2019

description: Blue-Action and ASOF Workshop 2019 on "Representativeness of ocean observations and Flux calculations" held at the Danish Meteorological Institute in Copenhagen (DK) on 24 -26 April 2019. Invited talk.
description: The Blue-Action project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 727852
Population-informed priors in gravitational-wave astronomy
Creators: name: Moore, Christopher J.
name: Gerosa, Davide
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We describe a Bayesian formalism for analyzing individual gravitational-wave events in light of the rest of an observed population. This analysis reveals how the idea of a "population-informed prior" arises naturally from a suitable marginalization of an underlying hierarchical Bayesian model which consistently accounts for selection effects. Our formalism naturally leads to the presence of "leave-one-out" distributions which include subsets of events. This differs from other approximations, also known as empirical Bayes methods, which effectively double count one or more events. We design a double-reweighting post-processing strategy that uses only existing data products to reconstruct the resulting population-informed posterior distributions. Although the correction we highlight is an important conceptual point, we find it has a limited impact on the current catalog of gravitational-wave events. Our approach further allows us to study, for the first time in the gravitational-wave literature, correlations between the parameters of individual events and those of the population.
description: 11 pages, 5 figures + supplementary material
Bile ducts: Achilles' heel in pediatric hepato-biliary surgery
Creators: name: Calinescu-Tuleasca, Ana-Maria
Publisher: name: Université de Genève
Year: 2024
Subjects: info:eu-repo/classification/ddc/618
Pediatric hepato-biliary surgery
Biliary atresia
Pediatric liver transplantation
Choledochal cyst

description:
Pediatric patients present a unique challenge in the management of bile duct disorders, in which small-sized structures and their developing physiology highlight their increased susceptibility to complications. The surgical management of pediatric hepatobiliary disorders not only requires thorough preoperative evaluation and meticulous surgical intervention but also carries a significant risk of postoperative complications.

This thesis encloses a compilation of relevant scientific studies designed to explore the complexities and challenges in diagnosing, managing, and treating pediatric patients with bile duct disorders. Key points from this research highlight the intricate nature of pediatric bile ducts making them particularly susceptible to complications during and after surgical interventions.

Thus, several studies are reviewed including case series, consensus-built Delphi method studies and uni/multicentric retrospective cohort studies, which contribute to a better understanding of the complications that can arise from pediatric bile duct disorders. The need for precise diagnostic criteria for improving surgical outcomes is emphasized in managing post-Kasai cholangitis for biliary atresia patients. Furthermore, the need for effective treatment strategies to deal with frequent postoperative biliary complications in the setting of pediatric liver transplantation is underlined.

The implications of the findings for clinical practice are discussed, underscoring the need for enhanced diagnostic bundles and management approaches that accommodate the unique challenges of the pediatric bile ducts.

In conclusion, this body of work contributes to the field of pediatric bile duct disorders by proposing solutions that can lead to better patient outcomes. The findings encourage ongoing research to refine management strategies to improve the quality of care and the quality of life for pediatric patients facing hepatobiliary surgery.