cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Spin Calogero models associated with Riemannian symmetric spaces of negative curvature
Creators: name: Feher, L.
name: Pusztai, B. G.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mathematical Physics (math-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Symplectic Geometry (math.SG)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: The Hamiltonian symmetry reduction of the geodesics system on a symmetric space of negative curvature by the maximal compact subgroup of the isometry group is investigated at an arbitrary value of the momentum map. Restricting to regular elements in the configuration space, the reduction generically yields a spin Calogero model with hyperbolic interaction potentials defined by the root system of the symmetric space. These models come equipped with Lax pairs and many constants of motion, and can be integrated by the projection method. The special values of the momentum map leading to spinless Calogero models are classified under some conditions, explaining why the $BC_n$ models with two independent coupling constants are associated with $SU(n+1,n)/S(U(n+1)\times U(n))$ as found by Olshanetsky and Perelomov. In the zero curvature limit our models reproduce rational spin Calogero models studied previously and similar models correspond to other (affine) symmetric spaces, too. The construction works at the quantized level as well.
description: 26 pages, v3: final version with a remark added after equation (5.3)
A Review Paper On Multiple Factors Influencing Organizational Citizenship Behavior (OCB)
Creators: name: Tabassum Jahan, Dr. Anshu Yadav
Publisher: name: Zenodo
Year: 2024

description: The term "organizational citizenship behaviour" (OCB) describes the voluntary actions taken by workers that go above and beyond the call of duty to advance the goals of the company. Even with its importance, OCB is still a complicated and diverse phenomenon that is impacted by a range of organizational, societal, environmental, and human factors. The goal of this review is to give a thorough understanding of all the various aspects that affect OCB, such as contextual factors, work environment, organizational culture, social exchange processes, and individual traits. According to the literature, OCB is impacted by several variables, such as work difficulty, employee competency, motivation, leadership style, and family support. The results also emphasize how crucial it is to develop social exchange mechanisms, emphasize organizational culture, and create a supportive work environment to enhance OCB. Understanding the various factors that influence organizational citizenship behavior (OCB) can help organizations create more effective strategies to foster a positive and productive work environment. The review ends by outlining potential future research directions, such as cross-cultural comparisons, longitudinal studies, and evaluations of technological advancements on OCB.
Novel cryptophycin analogues and conjugates for tumor targeted therapy
Creators: name: Figueras Agustí, Eduard
Publisher: name: Universität Bielefeld
Year: 2019
Subjects: subject: 540

description: The cure of cancer represents an ultimate challenge for scientists from different fields. Cancer complexity and diversity hamper the discovery of a broadly applicable treatment, and consequently, cancer represents the second cause of premature death worldwide. Despite the continuous approval of new drugs, the cancer burden keeps increasing due to different factors and leaves a vast number of patients helpless. Conventional chemotherapy still represents the backbone of cancer medical care. However, these agents are not able to selectively accumulate at the disease site which limits their efficacy and cause severe side effects. In the last years, targeted therapy has appeared as an innovative approach to overcome the drawbacks shown by traditional chemotherapeutics. In this approach, a cytotoxic agent is directed to the tumor site through the covalent conjugation to homing devices (e.g. antibodies, small molecules). Cryptophycins are cyclic depsipeptides with natural origin that present high cytotoxicity against several cell lines. Although cryptophycins cannot be used as stand-alone agent due to their side effects, they hold great potential as cytotoxic agent for tumor targeted therapy. Therefore, the discovery of new cryptophycins that can be conjugated to homing devices and their vectorization could be translated in a significant therapeutic activity. In the first part (chapter 3), the discovery of new cryptophycin analogues that retain the high cytotoxicity of the parent compound and present a functional group that can be used for conjugation to a delivery vehicle was described. Moreover, the usage of molecular dynamics to predict the biological activity of new analogues was explored. The second part (chapters 4 and 5), describes the usage of cryptophycin-55 glycinate as payload in small molecule-drug conjugates (SMDCs). In chapter 4, the payload was conjugated to a ligand capable to target the carbonic anhydrase IX, a transmembrane enzyme that is widely overexpressed in tumors. The cytotoxic activity of the resulting conjugate was studied in vitro, and the therapeutic activity was investigated in mice. In chapter 5, the payload was further explored by coupling it to a cyclic peptide targeting the somatostatin receptor 2, a marker which is commonly overexpressed in neuroendocrine tumors. The cytotoxicity of the conjugates was evaluated in a cell-based assay. In this case, further investigations in their targeting properties and stability were performed. Finally, the antitumor activity of the lead compound was investigated in vivo.
Electron and phonon dispersions of the two dimensional Holstein model: Effects of vertex and non-local corrections
Creators: name: Hague, J. P.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: I apply the newly developed dynamical cluster approximation (DCA) to the calculation of the electron and phonon dispersions in the two dimensional Holstein model. In contrast to previous work, the DCA enables the effects of spatial fluctuations (non-local corrections) to be examined. Approximations neglecting and incorporating lowest-order vertex corrections are investigated. I calculate the phonon density of states, the renormalised phonon dispersion, the electron dispersion and electron spectral functions. I demonstrate how vertex corrections stabilise the solution, stopping a catastrophic softening of the $(π,π)$ phonon mode. A kink in the electron dispersion is found in the normal state along the $(ζ,ζ)$ symmetry direction in both the vertex- and non-vertex-corrected theories for low phonon frequencies, corresponding directly to the renormalised phonon frequency at the $(π,0)$ point. This kink is accompanied by a sudden drop in the quasi-particle lifetime. Vertex and non-local corrections enhance the effects at large bare phonon frequencies.
description: I am posting reprints of the final submitted versions of previous articles to improve access. Here ARPES "kinks" are discussed. Article was published in 2003. 17 pages, 9 figures
Exploring the solar paradigm to explain stellar variability
Creators: name: Nemec, Nina-Elisabeth
name: Shapiro, A. I.
name: Isik, Emre
name: Solanki, S. K.
Publisher: name: Zenodo
Year: 2021
Subjects: The Sun - Very low mass stars

description: The emergence of magnetic field on stellar surfaces leads to the formation of magnetic features, such as dark spots and bright faculae.
 These features cause stellar brightness variations. Such variations have been extensively studied for the Sun. The plethora of photometric data obtained by both past (e.g. CoRoT and Kepler) and current space missions (TESS and Gaia) have underlined the needs for a better understanding and modelling of stellar brightness variations. One of the possible approaches for such modelling is to rely on the solar paradigm, i.e. to take a model which reproduces the observed variability of the solar brightness and extend it to other stars. We follow the SATIRE approach of calculating brightness variations, which was shown to reproduce the solar variability in great detail. To obtain the surface distribution of magnetic features, we employ the FEAT model This allows extending the SATIRE calculations to stars with different rotation periods and inclinations. This allows us to also calculate the rotational variability of stars rotating faster than the Sun. We compare our results to the observed distribution of Kepler stars variability and provide a possible explanation for the observed dependence of the rotational variability on the rotation period for stars rotating slower than 10 days by introducing different degrees of nesting of active regions.
Genesis and fading away of persistent currents in a Corbino disk geometry
Creators: name: Yerin, Y.
name: Gusynin, V. P.
name: Sharapov, S. G.
name: Varlamov, A. A.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The detailed analytical and numerical analysis of the electron spectrum, persistent currents, and their densities for an annulus placed in a constant magnetic field (Corbino disk geometry) is presented. We calculate the current density profiles and study their dependence on the inner and outer radii of the annular. We study evolution of the persistent currents and track their emergence and decay for different limiting cases of such a geometry, starting from a nanodot and ending by a macroscopic circle. Our analytical results for the currents are confirmed by the agreement between the integration of the corresponding current densities and the application of the Byers-Yang formula, when it is applicable. Among other results we find the general expression for the persistent current in a narrow annulus, which in the one channel approximation reproduces the well-known result for quasi-one dimensional mesoscopic metallic ring. Moreover it allows to analyze the multi-channel case of a relatively wide annulus. Our study can be used for more accurate treatment and interpretation of the experimental data with measurements of the persistent currents in different doubly-connected systems.
description: 18 pages, 8 figures, accepted version for the publication
РУСЛОВЫЕ ПЕРЕФОРМИРОВАНИЯ РЕКИ АМУДАРЬИ В ЗОНАХ   ИНТЕНСИВНОГО РАЗМЫВА ПРИБРЕЖНЫХ ТЕРРИТОРИЙ СУРХАНДАРЬИНСКОЙ ОБЛАСТИ.
Creators: name: Мухамедов, О.Я.
name: Тошмуродов, С.Х.
name: Ибрагимов, Ш.Ш.
name: Рузиева, Ж. О.
Publisher: name: Zenodo
Year: 2024

description: На участке р.Амударьи в районе слияния реки Сурхан в Амударью проведены натурные обследования русловой обстановки реки и прибрежной территории от интенсивного размыва. Обследовано и изучено состояние прибрежных   берегоукрепительных и инженерных сооружений – шпунтовых креплений и вновь построенных защитных и регулирующих мероприятий. Р.Амударья на этом участке течет по широкой пойме и является блуждающим руслом. В результате блуждания и свала потока на рассматриваемых участках происходит интенсивный размыв берегов и угроза затопления прибрежной территории.
Bulk-edge Correspondence in the Adiabatic Heuristic Principle
Creators: name: Kudo, Koji
name: Kuno, Yoshihito
name: Hatsugai, Yasuhiro
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Using the Laughlin's argument on a torus with two pin-holes, we numerically demonstrate that the discontinuities of the center-of-mass work well as an invariant of the pumping phenomena during the process of the flux-attachment, trading the magnetic flux for the statistical one. This is consistent with the bulk-edge correspondence of the fractional quantum Hall effect of anyons. We also confirm that the general feature of the edge states remains unchanged during the process while the topological degeneracy is discretely changed. This supports the stability of the quantum Hall edge states in the adiabatic heuristic principle.
description: 7 pages, 5 figures
Antiproton polarization induced by lepton interactions
Creators: name: O'Brien, D. S.
name: Buttimore, N. H.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present expressions for electromagnetic helicity amplitudes and spin observables for any elastic spin 1/2 - spin 1/2 scattering to first order in QED. In particular all electromagnetic helicity amplitudes and spin observables for elastic antiproton-electron and antiproton-proton scattering via single t-channel photon exchange are presented. Spin observables are required to describe the rate of increase of polarization in spin filtering. The PAX collaboration at GSI Darmstadt is interested in the buildup of polarization of an antiproton beam by repeated interaction with a hydrogen gas target in a storage ring. In order for the beam particles to remain in the ring after scattering it is important to consider small angle scattering, hence small momentum transfer t. In the low momentum transfer region electromagnetic effects dominate the hadronic effects. Of immediate importance is whether the polarization of an antiproton beam can be built up by spin filtering off polarized electrons either in a target or in a beam. We present the theoretical background for this discussion.
description: Presented at Advanced Studies Institute: Symmetries and Spin (PRAHA SPIN 2006), Prague, Czech Republic, 19 - 26 July 2006. Submitted to Czech. J. Phys. 10 pages
Additional file 2 of In search for interplay between stool microRNAs, microbiota and short chain fatty acids in Crohn’s disease - a preliminary study
Creators: name: Ambrozkiewicz, Filip
name: Karczmarski, Jakub
name: Kulecka, Maria
name: Paziewska, Agnieszka
name: Niemira, Magdalena
name: Zeber-Lubecka, Natalia
name: Zagorowicz, Edyta
name: Kretowski, Adam
name: Ostrowski, Jerzy
Publisher: name: figshare
Year: 2021
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Genetics
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Immunology
subject: FOS: Clinical medicine

description: Additional file 2:.
Neutral Pion Double Longitudinal Spin Asymmetry in Proton-Proton Collisions at sqrt(s)=200 GeV Using the PHENIX Detector
Creators: name: Boyle, Kieran
Publisher: name: arXiv
Year: 2006
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: New results from polarized p-p collisions at sqrt(s)=200 GeV of double longitudinal spin asymmetry in pi0 production using the PHENIX detector in the 2005 RHIC run are presented. Both positive and negative maximal gluon polarization scenarios are inconsistent with the data. The data is consistent with small |Δg|, including Δg=0.
description: 3 pages, 1 figure. To appear in the proceedings of the 2005 Particles and Nuclei International Conference (PANIC 2005), Santa Fe, NM, October 24-28, 2005
Successful Higgs inflation from combined nonminimal and derivative couplings
Creators: name: Karydas, Stelios
name: Papantonopoulos, Eleftherios
name: Saridakis, Emmanuel N.
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We propose an inflationary scenario based on the concurrent presence of non-minimal coupling (NMC) and generalized non-minimal derivative coupling (GNMDC), in the context of Higgs inflation. The combined construction maintains the advantages of the individual scenarios without sharing their disadvantages. In particular, a long inflationary phase can be easily achieved due to the gravitational friction effect owed to the GNMDC, without leading to trans-Planckian values and unitarity violation. Additionally, the tensor-to-scalar ratio remains to low values due to the NMC contribution. Finally, the instabilities related to the squared sound-speed of scalar perturbations, which plague the simple GNMDC scenarios, are now healed due to the domination of the NMC contribution and the damping of the GNMDC effects during the reheating era. These features make scenarios with nonminimal and derivative couplings to gravity successful candidates for the description of inflation.
description: Version 3 published in PRD, 16 pages, 5 figures. Replacecd initial \alpha=7 combined model with \alpha=5, for demonstrative purposes. Added a combined model with a polynomial GNMDC and a corresponding discussion, as well as suggestive comments throughout. References added
Οι Ηθικές Αρετές του Αριστοτέλη
Creators: name: Τσιτσοπούλου, Στυλιανή Βαϊανού
Publisher: name: Aristotle University of Thessaloniki
Year: 2013
Subjects: Ηθικές Αρετές
Δικαιοσύνη
Φιλία
Moral virtue
Justice
Friendship

description: Βασικός στόχος της μεταπτυχιακής εργασίας ήταν η προσέγγιση των Ηθικών Αρετών του Αριστοτέλη, όπως αυτές ερμηνεύονται σ’ ένα από τα πιο αξιόλογα έργα του φιλοσόφου, τα ‘Ηθικά Νικομάχεια’. Αρχικά, επιχειρήθηκε μία βιογραφική ανάλυση σχετικά με τη ζωή και το έργο του φιλοσόφου, ώστε να μπορέσει να γίνει πιο κατανοητός ο τρόπος σκέψης και ανάλυσης των αρετών. Επίσης, επιχειρείται μία ερμηνεία της μεθόδου της ηθικής φιλοσοφίας , η οποία βοηθάει ακόμη περισσότερο τον αναγνώστη για όσο έπονται. Κατόπιν, παρουσιάζεται μία εκτενέστατη ανάλυση της έννοιας της αρετής στον Αριστοτέλη, η οποία αρχικά οδηγεί στη διαίρεση της έννοιας σε ηθικές και διανοητικές αρετές. Στη συνέχεια όμως η έρευνα προχωράει στην ανάλυση κάποιων πολύ σημαντικών αρετών όπως αυτή της δικαιοσύνης, της φιλίας καθώς και της φύσεως. Και κάπως έτσι ολοκληρώθηκε το ταξίδι μας στα μονοπάτια των ηθικών αρετών του φιλοσόφου.
description: Αγγλική Περίληψη The main target of this assignment was to present the moral virtue in Aristotle as it was analyzed in one of the most remarkable philosophical themes in ‘Nicomachean Ethics’. In the first place, I tried to refer to some basic information about the life, the achievements and beliefs of the philosophy so as to make it easier for the reader to follow the thought of him. Moreover, I made an attempt to present the method of the ethical philosophy, in general. What is more, I went on analyzing the moral virtue, which was divided in two categories, the moral and the intellectual virtue. Another aim of this study was to examine some moral virtue such as friendship, justice and nature.
Shear-current effect in a turbulent convection with a large-scale shear
Creators: name: Rogachevskii, I.
name: Kleeorin, N.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The shear-current effect in a nonrotating homogeneous turbulent convection with a large-scale constant shear is studied. The large-scale velocity shear causes anisotropy of turbulent convection, which produces the mean electromotive force $\bec{\cal E}^{(W)} \propto {\bf W} {\bf \times} {\bf J}$ and the mean electric current along the original mean magnetic field, where ${\bf W}$ is the background mean vorticity due to the shear and ${\bf J}$ is the mean electric current. This results in a large-scale dynamo even in a nonrotating and nonhelical homogeneous sheared turbulent convection, whereby the $α$ effect vanishes. It is found that turbulent convection promotes the shear-current dynamo instability, i.e., the heat flux causes positive contribution to the shear-current effect. However, there is no dynamo action due to the shear-current effect for small hydrodynamic and magnetic Reynolds numbers even in a turbulent convection, if the spatial scaling for the turbulent correlation time is $τ(k) \propto k^{-2}$, where $k$ is the small-scale wave number.
description: 8 pages, Physical Review E, in press
The politics of Salman Rushdie’s fiction
Creators: name: Parreiras-Horta, Luis Paulo
Publisher: name: University of British Columbia
Year: 2009

description: This thesis seeks to explain the politics of Salman Rushdie’s fiction and situate the principal debates over the publication of The Satanic Verses within political and literary theory. I argue here that Rushdie is a modern rather than a post-modern writer, and detail how as a writer he is drawn to the philosophies and aesthetics of modernity: secularism and socialism, modernism and surrealism. The modernity he espouses in The Satanic Verses, I suggest further, differs significantly from that he advocates in the Booker Prize winning Midnight’s Children. In Midnight’s Children Rushdie espouses a Western secularlism which is not, to him, alien to the Bombay and the India he was born into -- no less Indian, that is, than his family’s faith in Islam. In The Satanic Verses, in contrast, Rushie seeks nothing less than to articulate a modernity of the East. As a short of rival Qur’an, The Satanic Verses envisions -- and itself seeks to help bring into being -- a secular Muslim culture. Fundamental to the blossoming of said culture, the novel proposes, are secular reclamations of the grand narrarives of Islam. Rushdie invites Muslims to celebrate their own sceptical philosophers and secular writers in addition to their Western counterparts, and warns against the embrace of Western secularlism at the expense of Muslim culture. Provocatively, Rushdie suggests that given the Western intelligentsia’s current espousal of post-modernism, one must now travel to the intellectual circles of the East to find strong defenders of modernity -- as does Saladin Chamcha in The Satanic Verses. Within the realm of literary theory, I conclude that post-colonial theory, with its expectation that the post-colonial writer celebarate rather than question his home culture, and post-modernism, with its assumption that one cannot interpret novels such as The Satanic Verses, offer inadequate explanations of the politics of Rushdie’s fiction. Within the realm of political theory I differentiate Rushdie from left-leaning philosophers such as Cornel West and Charles Taylor, who believe that modernity cannot stabilize itself without recourse to faith. If Rushdie can be said to have an affinity with a political philosopher, than that philosopher would be Jurgen Habermas, quintessential defender of modernity and critic of post-modernism.
Sharp Asymptotics for $q$-Norms of Random Vectors in High-Dimensional $\ell_p^n$-Balls
Creators: name: Kaufmann, Tom
Publisher: name: arXiv
Year: 2021
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: Primary: 52A23, 60F10 Secondary: 46B09, 60D05

description: Sharp large deviation results of Bahadur-Ranga Rao type are provided for the $q$-norm of random vectors distributed on the $\ell _{p}^{n}$-ball ${\mathbb{B}}^{n}_{p}$ according to the cone probability measure or the uniform distribution for $1 \le q
description: 28 pages, Updated Version: Reworked the proof of main result for $\ell_p^n$-balls in section 7 to be based on a result more appropriate to the given problem
Additional file 1 of Effectiveness of a prevention program in the incidence of cardiovascular outcomes in a low-income population from Colombia: a real-world propensity score-matched cohort study
Creators: name: Miranda-Machado, Pablo
name: Salcedo-Mejía, Fernando
name: Devian Parra-Padilla
name: Rusvelt Vargas-Moranth
name: Alvis-Zakzuk, Nelson Rafael
name: Paz-Wilches, Justo
name: Fernández-Mercado, Juan
name: Restrepo, Fernando De La-Hoz
name: Alvis-Guzmán, Nelson
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: Cancer
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 1 Supplementary material 1. Frequency of health care services offered through the DTC program according to the cardiovascular risk group
Gravitational collapse of a spherical star with heat flow as a possible energy mechanism of gamma-ray bursts
Creators: name: Chang, Zhe
name: Guan, Cheng-Bo
name: Huang, Chao-Guang
name: Li, Xin
Publisher: name: arXiv
Year: 2008
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We investigate the gravitational collapse of a spherically symmetric, inhomogeneous star, which is described by a perfect fluid with heat flow and satisfies the equation of state $p=ρ/3$ at its center. In the process of the gravitational collapsing, the energy of the whole star is emitted into space. And the remaining spacetime is a Minkowski one without a remnant at the end of the process. For a star with a solar mass and solar radius, the total energy emitted is at the order of $10^{54}$ {\rm erg}, and the time-scale of the process is about $8s$. These are in the typical values for a gamma-ray burst. Thus, we suggest the gravitational collapse of a spherical star with heat flow as a possible energy mechanism of gamma-ray bursts.
description: 4 pages, 2 figures, to appear in Commun. Theor. Phys
Catalytic quantum teleportation and beyond
Creators: name: Lipka-Bartosik, Patryk
name: Skrzypczyk, Paul
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We address fundamental limitations of quantum teleportation -- the process of transferring quantum information using classical communication and preshared entanglement. We develop a new teleportation protocol based upon the idea of using ancillary entanglement catalytically, i.e. without depleting it. This protocol is then used to show that catalytic entanglement allows for a noiseless quantum channel to be simulated with a quality that could never be achieved using only entanglement from the shared state, even for catalysts with a small dimension. On the one hand, this allows for a more faithful transmission of quantum information using generic states and a fixed amount of consumed entanglement. On the other hand, this shows, for the first time, that entanglement catalysis provides a genuine advantage in a generic quantum-information processing task. Finally, we show that similar ideas can be directly applied to study quantum catalysis for more general problems in quantum mechanics. As an application, we show that catalysts can activate so-called passive states, a concept that finds widespread application e.g. in quantum thermodynamics.
description: 6 + 6 pages, 2 figures. Updated acknowledgments and references. Close to accepted version
Additional file 3 of Effectiveness of a prevention program in the incidence of cardiovascular outcomes in a low-income population from Colombia: a real-world propensity score-matched cohort study
Creators: name: Miranda-Machado, Pablo
name: Salcedo-Mejía, Fernando
name: Devian Parra-Padilla
name: Rusvelt Vargas-Moranth
name: Alvis-Zakzuk, Nelson Rafael
name: Paz-Wilches, Justo
name: Fernández-Mercado, Juan
name: Restrepo, Fernando De La-Hoz
name: Alvis-Guzmán, Nelson
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: Cancer
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 3 Supplementary material 3. Frequency of patients in the matched and unmatched samples meeting adherence criteria according to clinical diagnosis and cardiovascular risk category
How cosmological merger histories shape the diversity of stellar haloes
Creators: name: Rey, Martin P.
name: Starkenburg, Tjitske K.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We introduce and apply a new approach to probe the response of galactic stellar haloes to the interplay between cosmological merger histories and galaxy formation physics. We perform dark matter-only, zoomed simulations of two Milky Way-mass hosts and make targeted, controlled changes to their cosmological histories using the genetic modification technique. Populating each history's stellar halo with a semi-empirical, particle tagging approach then enables a controlled study, with all instances converging to the same large-scale structure, dynamical and stellar mass at $z=0$ as their reference. These related merger scenarios alone generate an extended spread in stellar halo mass fractions (1.5 dex) comparable to the observed population, with the largest scatter achieved by growing late ($z\leq1$) major mergers that spread out existing stars to create massive, in-situ dominated stellar haloes. Increasing a last major merger at $z\sim2$ brings more accreted stars into the inner regions, resulting in smaller scatter in the outskirts which are predominantly built by subsequent minor events. Exploiting the flexibility of our semi-empirical approach, we show that the diversity of stellar halo masses across scenarios is reduced by allowing shallower slopes in the stellar mass--halo mass relation for dwarf galaxies, while it remains conserved when central stars are born with hotter kinematics across cosmic time. The merger-dependent diversity of stellar haloes thus responds distinctly to assumptions in modelling the central and dwarf galaxies respectively, opening exciting prospects to constrain star formation and feedback at different galactic mass-scales with the coming generation of deep, photometric observatories.
description: Matching accepted version in MNRAS, results unchanged, additional robustness tests in Appendices
Τα έργα των ιταλών ζωγράφων Lipparini και Μarsigli στα πλαίσια του ευρωπαϊκού φιλελληνισμού κατά την επανάσταση του 1821
Creators: name: Μπίκα, Στυλιανή Αθανασίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2013
Subjects: Ευρωπαϊκός φιλελληνισμός
Τέχνη
Πολιτισμός
European Philhellenism
Art
Culture

description: Η παρούσα εργασία έχει ως αντικείμενό της τα έργα των Ιταλών ζωγράφων Lipparini και Marsigli μέσα στα πλαίσια του ευρωπαϊκού φιλελληνισμού. Σκοπός της είναι να παρουσιαστούν τα έργα των συγκεκριμένων καλλιτεχνών, να αναλυθούν σε σχέση πάντα με τις επικρατούσες συνθήκες εκείνης της περιόδου και να αποτελέσουν ένα βοηθό στη σύνδεση με το πολιτισμικό παρελθόν. Η παρατήρηση, η μελέτη και η αξιολόγηση των έργων τέχνης βοηθά τον άνθρωπο στο να εξασκήσει εκείνες τις δεξιότητες που θα του επέτρεπαν να δημιουργήσει σε όλους τους τομείς της ζωής (εργασιακό, κοινωνικό, οικογενειακό κλπ) προάγοντας τον πολιτισμό. Στις μέρες μας αυτό αποτελεί ένα σημαντικό παράγοντα της επιβίωσης αλλά και της προόδου των κοινωνιών.
description: The present paper focuses on the work of the Italian painters Lipparini and Marsigli in the margins of the European Philhellenism. Its purpose is to present this work, and to analyze it in relation to the prevailing conditions which were present at this period. This will be a usefull tool in conjuction to the cultural past. The observation, the study and the evaluation of works of art helps individuals to practice all those skills that would allow them to create in all sectors of life (employment, social, family etc) promoting culture. Nowadays this is an important factor in the survival and progress of societies.
Gaussian Decomposition of HI Surveys - II. Separation of Problematic Gaussians
Creators: name: Haud, U.
name: Kalberla, P. M. W.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have analyzed the Gaussian decomposition of the Leiden/Dwingeloo Survey (LDS) of galactic neutral hydrogen for the presence of Gaussians probably not directly related to galactic HI emission. It is demonstrated that at least three classes of such components can be distinguished. The narrowest Gaussians mostly represent stronger random noise peaks in profiles and some still uncorrected radio-interferences. Many of slightly wider weak Gaussians are caused by increased uncertainties near the profile edges and with the still increasing width the baseline problems become dominating among weak components. Statistical criteria are given for separation of the parameter space regions, most likely populated with the problematic components from those where the Gaussians are with higher probability describing the actual Milky Way HI emission. The same analysis is applied to the Leiden/Argentina/Bonn survey (LAB). It is demonstrated that the selection criteria for dividing the parameter space are to a great extent independent of the particular survey in use. The presence of the baseline problems in the LDS is indicated by the peculiarities of the distribution of the widest Gaussians in the sky. A similar plot for the northern part of the LAB demonstrates considerably lower numbers of spurious components, but there are still problems with the southern part of the LAB. The strange characteristics of the observational noise in the southern part of the LAB are pointed out.
description: 22 pages, 14 figures. Accepted for publication in Baltic Astronomy. High-resolution version available at http://www.aai.ee/~urmas/ast/balt1.pdf 4.38 MBaits)
Simulating Many-Body Systems with a Projective Quantum Eigensolver
Creators: name: Stair, Nicholas H.
name: Evangelista, Francesco A.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: We present a new hybrid quantum-classical algorithm for optimizing unitary coupled-cluster (UCC) wave functions deemed the projective quantum eigensolver (PQE), amenable to near-term noisy quantum hardware. Contrary to variational quantum algorithms, PQE optimizes a trial state using residuals (projections of the Schrödinger equation) rather than energy gradients. We show that the residuals may be evaluated by simply measuring two energy expectation values per element. We also introduce a selected variant of PQE (SPQE) that uses an adaptive ansatz built from arbitrary-order particle-hole operators, offering an alternative to gradient-based selection procedures. PQE and SPQE are tested on a set of molecular systems covering both the weak and strong correlation regimes, including hydrogen clusters with 4-10 atoms and the BeH$_2$ molecule. When employing a fixed ansatz, we find that PQE can converge disentangled (factorized) UCC wave functions to essentially identical energies as variational optimization while requiring fewer computational resources. A comparison of SPQE and adaptive variational quantum algorithms shows that - for ansätze containing the same number of parameters - the two methods yield results of comparable accuracy. Finally, we show that SPQE performs similar to, and in some cases, better than selected configuration interaction and the density matrix renormalization group on 1-3 dimensional strongly correlated H$_{10}$ systems in terms of energy accuracy for a given number of variational parameters.
Il contributo di Niccolo Tommaseo nella difusione della tradizione greca in Italia
Creators: name: Τσέκρελη, Όλγα Αναστασίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2013
Subjects: Παράδοση
Πολιτισμός
Διάδοση
Tradition
Culture
Diffusion

description: Η παρούσα Διπλωματική εργασία έχει ως αντικείμενο την σχέση του Niccolò Tommaseo με την νεοελληνική κουλτούρα, την αλληλογραφία του με έλληνες φίλους και την μετάφραση, από μέρους του, των ελληνικών δημοτικών τραγουδιών. Σκοπός της έρευνας είναι να παρατηρηθεί πόσο σημαντική υπήρξε η συνεισφορά του μεγάλου Έλληνα φιλέλληνα στην διάδοση του ελληνικού πολιτισμού στην Ιταλία, καθώς και το πόσο μεγάλη εκτίμηση τρέφουν για αυτόν οι Έλληνες. Η Εισαγωγή αναφέρεται στον φιλελληνισμό, φαινόμενο ζωντανό σε ολόκληρη την Ευρώπη ήδη από τον 17ο αιώνα, στο πλαίσιο του οποίου δρα και ο Tommaseo. Το Πρώτο Κεφάλαιο ασχολείται με την ζωή, τις σπουδές και την επαγγελματική του Tommaseo. Το Δεύτερο Κεφάλαιο αναφέρεται στο ενδιαφέρον που ο Tommaseo είχε για το ελληνικό πνεύμα και στην σχέση του με την ελληνική κουλτούρα. Το πρώτο μέρος του Τρίτου Κεφαλαίου μιλάει για την σχέση που ο Tommaseo είχε με την λαϊκή παράδοση γενικότερα. Ενώ το δεύτερο μέρος αναφέρεται στην μετάφραση που ο ίδιος έκανε των ελληνικών δημοτικών τραγουδιών. Αντικείμενο του Τέταρτου Κεφαλαίου είναι τα χρόνια που ιταλός φιλέλληνας πέρασε αυτοεξόριστος στο νησί της Κέρκυρας. Το Παράρτημα, μετά την Βιβλιογραφία, περιλαμβάνει μερικά αντιπροσωπευτικά έργα του φιλελληνικού κινήματος. Πρόκειται κυρίως για έργα ζωγραφικής, αλλά και για αντικείμενα καθημερινής χρήσης που αφορούν στην ελληνική επανάσταση ενάντια στους Τούρκους.
description: The present diplomatic project has as its objective the relation between Niccolò Tommaseo with the Modern Greek culture, his correspondence with his Greek friends and the translation of the folk songs. The purpose of the research is to observe how important the contribution of the great philhellene was in the spread of the Greek culture in Italy as well the great appreciation of the Greeks for him. The preface refers to philhellenism, a living phenomenon throughout Europe since 17th century, under which Tommaseo acts. The First Chapter is about his life, his studies and the professional occupation of Tommaseo. The Second Chapter refers to Tommaseo’s interest for Greek culture. The first part of the Third Chapter talks about the relationship that Tommaseo had with the folk tradition generally. At the second part he refers to the translation of the Greek folk songs that he himself made. The Appendix after the Bibliography contains some representative pieces of works of the philhellenic movement. His works are mostly painting works as well utensils of domestic use that are relevant to the Greek revolution against the Turkish people.
Dynamical Slowdown of Polymers in Laminar and Random Flows
Creators: name: Celani, Antonio
name: Puliafito, Alberto
name: Vincenzi, Dario
Publisher: name: arXiv
Year: 2006
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: The influence of an external flow on the relaxation dynamics of a single polymer is investigated theoretically and numerically. We show that a pronounced dynamical slowdown occurs in the vicinity of the coil-stretch transition, especially when the dependence on polymer conformation of the drag is accounted for. For the elongational flow, relaxation times are exceedingly larger than the Zimm relaxation time, resulting in the observation of conformation hysteresis. For random smooth flows hysteresis is not present. Yet, relaxation dynamics is significantly slowed down because of the large variety of accessible polymer configurations. The implications of these results for the modeling of dilute polymer solutions in turbulent flows are addressed.
ELIXIR-EXCELERATE D7.3: Implementation of BRAPI (Plant Breeding API) at all participating nodes
Creators: name: Miguel, Célia
name: Pommier, Cyril
name: Finkers, Richard
name: Coppens, Frederik
name: Bolser, Dan
name: Ruiz, Manuel
name: Adam-Blondon, Anne-Françoise
name: Gruden, Kristina
name: Ramšak, Živa
name: Papoutsoglou, Evangelia
name: Faria, Daniel
name: Costa, Bruno
name: Chaves, Inês
Publisher: name: Zenodo
Year: 2019
Subjects: ELIXIR
EXCELERATE
omics
BrAPI
FAIDARE
plant
breeding
phenotype
FAIR

description: High-throughput “omics” technologies are widely used and increasingly important to support plant biology research and breeding of diverse plant species for production of food, feed, fibre and other biomaterials, and bio-energy. Significant advances in plant science can be obtained from the integration of available genomic and genotyping data with diverse types of phenotyping data, including field or greenhouse experimental data, molecular, -omics and image data. Although most -omics data, and especially phenomic data, are being generated in increasing scale, either from public or private research institutes, the dispersion of datasets and metadata among multiple repositories and their often poor description and annotation, make their use and exploitation still challenging or even unapproachable. To help unlock the full potential of a multi-omics approach to plant science, the overarching goal of this work package is to make plant data reusable and interoperable in accordance with the FAIR principles (i.e. Findable, Accessible, Interoperable and Re-usable). Hence, several standards have been built these past years for the annotation of data sets, and the ELIXIR plant community is co-authoring most of them. Their use has been demonstrated by exemplary application to data from diverse species published in public repositories (Deliverable 7.1). They are also the foundation of the ELIXIR Plant Data Search Service, FAIDARE, that gives access to distributed and standardized datasets. This service uses the Breeding API (BrAPI1), an API for accessing data relevant for plant breeding developed by the international plant community (Deliverable 7.2). It is based on a federation of plant phenotyping/genotyping data repositories, accessible through a single data discovery webportal2, that connects not only ELIXIR data repositories, but also any other Breeding API compatible database. This work represents a major step towards plant FAIR data and a significant tool for the international plant community focused on plant breeding, either of crops or forest trees. Furthermore, with this deliverable we reach the main goal of WP7, to provide a distributed infrastructure to allow plant genotype-phenotype analysis based on the widest available public datasets, and we give an important contribution to address goal one of the ELIXIR-EXCELERATE project: Deliver world-leading data services for academia and industry.
Η Μετάνοια κατά τον Άγιο Νεκτάριο Πενταπόλεως
Creators: name: Κυριακίδης, Ελευθέριος Κυριακού
Publisher: name: Aristotle University of Thessaloniki
Year: 2013
Subjects: Άγιος Νεκτάριος
Μετάνοια
Εξομολόγηση
Saint Nektarios
Repentance
Confession

description: Σκοπός της παρούσας διατριβής ήταν η παρουσίαση της διδασκαλίας του Αγίου Νεκταρίου σχετικά με το μυστήριο της μετάνοιας και εξομολόγησης. Αρχικά κάναμε κάποια εισαγωγικά σχόλια για το μυστήριο της μετάνοιας αλλά και για το πώς το ζούσε ο Άγιος Νεκτάριος. Ξεκινώντας με τον λόγο ύπαρξης της μετάνοιας, την αμαρτία, αναφέραμε τον λόγο για τον οποίο αμαρτάνει ο άνθρωπος, το τι θεωρεί ο Άγιος ως αμαρτία καθώς και τα στάδια και τις συνέπειές της. Στην συνέχεια καταδείξαμε την αξία και την δύναμη της μετάνοιας επισημαίνοντας την ανάγκη αυτή να γίνεται έγκαιρα αλλά και τον χαρακτήρα που θα πρέπει να έχει ώστε να επιτελεί τον σκοπό της. Έπειτα τονίσαμε την αναγκαιότητα του μυστηριακού χαρακτήρα της μετάνοιας, της εξομολόγησης, καθώς και τον χαρακτήρα αλλά και τον σωστό τρόπο προετοιμασίας για αυτή. Τέλος σχολιάσαμε την σημασία που δίνει ο Άγιος Νεκτάριος στον πνευματικό πατέρα, την ανάγκη εύρεσης ενός κατάλληλου και τα χαρίσματα που θα πρέπει να φέρει αυτός.
description: The aim of this study was to present the teaching of Saint Nectarios about the holy sacrament of penance and confession. Firstly, we made some introductory remarks about the repentance and how Saint Nectarios lived it. Starting with the reason of existence of repentance, which is sin, we mentioned the reason why a man sins, what Saint Nectarios consider as sin, as well as the stages and effects. After that, we demonstrated the value and the power of the repentance, signalizing the necessity to be on time, and the character that must have to fulfill its purpose. Then, we emphasized the necessity of the sacramental nature of repentance, which is confession, the character and the correct way to be prepared for it. Finally, we commented on the importance that Saint Nectarios gives to the spiritual father, the necessity of finding a suitable one, and the gifts he must have.
Parameters for a Super-Flavor-Factory
Creators: name: Seeman, J. T.
name: Cai, Y.
name: Ecklund, S.
name: Novokhatski, A.
name: Seryi, A.
name: Sullivan, M.
name: Wienands, U.
name: Biagini, M.
name: Raimondi, P.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Accelerator Physics (physics.acc-ph)
subject: FOS: Physical sciences

description: A Super Flavor Factory, an asymmetric energy e+e- collider with a luminosity of order 10^36 cm-2s-1, can provide a sensitive probe of new physics in the flavor sector of the Standard Model. The success of the PEP-II and KEKB asymmetric colliders in producing unprecedented luminosity above 10^34 cm-2s-1 has taught us about the accelerator physics of asymmetric e+e- colliders in a new parameter regime. Furthermore, the success of the SLAC Linear Collider and the subsequent work on the International Linear Collider allow a new Super-Flavor collider to also incorporate linear collider techniques. This note describes the parameters of an asymmetric Flavor-Factory collider at a luminosity of order 10^36 cm-2s-1 at the Upsilon(4S) resonance and about 10^35 cm-2s-1 at the Tau production threshold. Such a collider would produce an integrated luminosity of about 10,000 fb-1 (10 ab-1) in a running year (10^7 sec) at the Upsilon(4S) resonance.
description: Flavor Physics & CP Violation Conference, Vancouver, 2006
Tidal deformation of dynamical horizons in binary black hole mergers
Creators: name: Prasad, Vaishak
name: Gupta, Anshu
name: Bose, Sukanta
name: Krishnan, Badri
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: An important physical phenomenon that manifests itself during the inspiral of two orbiting compact objects is the tidal deformation of each under the gravitational influence of its companion. In the case of binary neutron star mergers, this tidal deformation and the associated Love numbers have been used to probe properties of dense matter and the nuclear equation of state. Non-spinning black holes on the other hand have a vanishing (field) tidal Love number in General Relativity. This pertains to the deformation of the asymptotic gravitational field. In certain cases, especially in the late stages of the inspiral phase when the black holes get close to each other, the source multipole moments might be more relevant in probing their properties and the No-Hair conjecture; contrastingly, these Love numbers do not vanish. In this paper, we track the source multipole moments in simulations of several binary black hole mergers and calculate these Love numbers. We present evidence that, at least for modest mass ratios, the behavior of the source multipole moments is universal.
description: 11 pages, 4 figures