1,825 research outputs found

    115. Phrantzes (Georgios). Chronicon edidit Ι. Β. Papadopoulos. Vol. 1. Leipzig, Β G. Teubner, 1935

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    Guilland Rodolphe. 115. Phrantzes (Georgios). Chronicon edidit Ι. Β. Papadopoulos. Vol. 1. Leipzig, Β G. Teubner, 1935. In: Revue des Études Grecques, tome 49, fascicule 233, Octobre-décembre 1936. pp. 625-626

    Manipulating Language: Metaphors in the Political Discourse of Georgios Papadopoulos (1967-1973)

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    The manipulation of language to achieve one’s aims leads us to the important assertion that through speech politicians do indeed aim at achieving a given outcome from a society. One way they achieve this is by painting a picture through metaphor of that society in the present, as well as in the past and the future. The examination of metaphor in the political discourse of Georgios Papadopoulos and the analysis of it is an attempt to determine how the manipulation of such rhetoric can be effective, if at all, in a given social, historical and political context

    Georgios Papadopoulos: Security Battalions and “X”: An attempt to gather and reevaluate earlier and more recent evidence (gre)

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    Στο άρθρο παρουσιάζεται αναλυτικά το τεκμηριωτικό υλικό και εκτίθενται τα πορίσματα των ερευνών για τη δράση του Γεώργιου Παπαδόπουλου κατά τη διάρκεια της Κατοχής 1941-1944, σε συσχετισμό με την περίοδο της στρατιωτικής δικτατορίας 1967-1974.This article presents the results of historical research concerning the activities of Georgios Papadopoulos (the future Greek dictator of the 1960s) during the Second World War and the Axis occupation of Greece. (eng

    sj-pdf-2-pil-10.1177_14644207211046585 - Supplemental material for Finite element-based assessment of energy harvesting in composite beams with piezoelectric transducers

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    Supplemental material, sj-pdf-2-pil-10.1177_14644207211046585 for Finite element-based assessment of energy harvesting in composite beams with piezoelectric transducers by Theofanis S. Plagianakos, Nikolaos Margelis, Nikolaos Leventakis, Georgios Bolanakis, Panagiotis Vartholomeos and Evangelos G. Papadopoulos in Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications</p

    sj-doc-3-pil-10.1177_14644207211046585 - Supplemental material for Finite element-based assessment of energy harvesting in composite beams with piezoelectric transducers

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    Supplemental material, sj-doc-3-pil-10.1177_14644207211046585 for Finite element-based assessment of energy harvesting in composite beams with piezoelectric transducers by Theofanis S. Plagianakos, Nikolaos Margelis, Nikolaos Leventakis, Georgios Bolanakis, Panagiotis Vartholomeos and Evangelos G. Papadopoulos in Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications</p

    Gravitational-wave imprints of compact and galactic-scale environments in extreme-mass-ratio binaries

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    Circumambient and galactic-scale environments are intermittently present around black holes that reside in active galactic nuclei. As supermassive black holes impart energy on their host galaxy, so the galactic environment affects the dynamics of solar-mass objects around black holes and the gravitational waves emitted from non-vacuum asymmetric binaries. Only recently an exact general-relativistic solution has been found that describes a Schwarzschild black hole immersed in a dark matter halo of the Hernquist type. We perform an extensive analysis of generic geodesics delving in such non-vacuum spacetimes and compare our results with those obtained in Schwarzschild, as well as calculate their gravitational-wave emission. Our findings indicate that the radial and polar oscillation frequency ratios descend deeper into the strong gravity region as the compactness of the halo increases. This translates to a redshift of non-vacuum geodesics and their resulting waveforms with respect to the vacuum ones. We calculate the overlap between waveforms resulting from Schwarzschild and non-vacuum geometries and find that it decreases as the halo compactness grows, meaning that dark matter environments should be distinguishable by space-borne detectors. For compact environments, we find that the apsidal precession is strongly affected due to the gravitational pull of dark matter; the orbit's axis can rotate in the opposite direction as that of the orbital motion, leading to a retrograde precession drift that depends on the halo mass, as opposed to the typical prograde precession transpiring in galactic-scale environments. Gravitational waves in retrograde-to-prograde alterations demonstrate transient frequency phenomena around critical non-precessing turning points, thus they may serve as `smoking guns' for the presence of compact dark matter environments around supermassive black holes.Comment: 19 pages, 10 figures, revisions regarding detectability and addition of new figures and sections, abstract reduced to fit arxiv limits, accepted for publication in PR

    Asymptotically optimal inspection planning using systems with differential constraints

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    This paper proposes a new inspection planning algorithm, called Random Inspection Tree Algorithm (RITA). Given a perfect model of a structure, sensor specifications, robot's dynamics, and an initial configuration of a robot, RITA computes the optimal inspection trajectory that observes all points on the structure. Many inspection planning algorithms have been proposed, most of them consist of two sequential steps. In the first step, they compute a small set of observation points such that each point on the structure is visible. In the second step, they compute the shortest trajectory to visit all observation points at least once. The robot's kinematic and dynamic constraints are taken into account only in the second step. Thus, when the robot has differential constraints and operates in cluttered environments, the observation points may be difficult or even infeasible to reach. To alleviate this difficulty, RITA computes both observation points and the trajectory to visit the observation points simultaneously. RITA uses sampling-based techniques to find admissible trajectories with decreasing cost. Simulation results for 2-D environments are promising. Furthermore, we present analysis on the probabilistic completeness and asymptotic optimality of our algorithm

    Papadopoulos Georgios

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    Απεικόνιση: φωτογραφίαΑπεικόνιση αναπαργωγής: κλισέ φωτογραφία

    Papadopoulos Georgios

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    Απεικόνιση: φωτογραφίαΑπεικόνιση αναπαργωγής: κλισέ φωτογραφία

    Papadopoulos, Georgios

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