1,722,638 research outputs found
Mito, media e Poor Things! L'elaborazione sociale della morte al tempo dell'Intelligenza Artificiale
No full textMyth, Media, and Poor Things!
The social construction of death in the time of Artificial Intelligence
The present work discusses the way the media - and cinema in particular – renovate the myth and thus respond to the cognitive and heuristic needs of humans, working as a mythological machine: unlike some readings of the myth-media relationship which underline the weakening of its cognitive force caused by technologization and serialization of materials, this essay highlights the power of the media in re-opening and regenerating the mythical matter, especially concerning complex themes such as that of the social processing of death. To this end, this work analyzes the film Poor Things! by Yorgos Lanthimos (2023) searching out the mythical material within it and its renewal considering 1. the transformations that have affected the media in the meantime, 2. the spectator's gaze and 3. the social context deeply pervaded by narratives on the technological transformations triggered by AI
Oxovanadium(IV) complexes with a-pyridinedicarboxylic acids
No full textPyridinecarboxylix acids contg. a carboxylic group in position 2 react with oxovanadium(IV) ions in aq. soln. giving sol. chelates. For values of -log[H+] <3.5, 1:1 and 1:2 metal to ligand mononuclear complexes were evidenced and their stability consts. were calcd. at 25° in 0.5 M NaClO4 by means of potentiometric measurements of H ion concn
Synchronizing two superconducting qubits through a dissipating resonator
Full text linkA system consisting of two qubits and a resonator is considered in the presence of different sources of noise, bringing to light the possibility of making the two qubits evolve in a synchronized way. A direct qubit–qubit interaction turns out to be a crucial ingredient, as well as the dissipation processes involving the resonator. The detrimental role of the local dephasing of the qubits is also taken into account
Introduction to the JOCN Special Issue on Open Optical Networks
Full text linkWe provide an introduction to the paradigm of open optical networks (OON), including its evolution and benefits, followed by a brief summary of the papers in the OON special issue
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Evanescent wave approximation for non-Hermitian Hamiltonians
Full text linkThe counterpart of the rotating wave approximation for non-Hermitian Hamiltonians is considered, which allows for the derivation of a suitable effective Hamiltonian for systems with some states undergoing decay. In the limit of very high decay rates, on the basis of this effective description we can predict the occurrence of a quantum Zeno dynamics, which is interpreted as the removal of some coupling terms and the vanishing of an operatorial pseudo-Lamb shift
Aluminum complexes with a-pyridinecarboxylic acids
No full textPyridinedicarboxylic acids contg. a carboxylic group in position 2 react with Al3+ ions in aq. soln. giving sol. chelates, the compn. and stability of which were studied by potentiometric measurements of H+ ion concn. with a glass electrode. At -log[H+] < 3.5, 1:1 and 1:2 metal:ligand mononuclear complexes are formed. Their stability consts. were calcd. at 25° in 0.5M NaClO4. The probable structure of these complexes is discussed
Simultaneous spectrophotometric determination of iron and bismuth in lead samples with diethylenetriaminepenta acetic acid (DTPA)
No full textBi and Fe were simultaneously detd. spectrophotometrically in Pb samples at 270 and 247 nm for 0.75-30 mg Bi/L and 0.5-25 mg Fe/L, resp. in the presence of DTPA (8 ́ 10-4 mol/L) and HClO4 (2.34 mol/L) in 1 cm quartz cells. Under these conditions Bi is complexed by DTPA but Fe is not. Potential interferences were studied
Hilbert space partitioning for non-Hermitian Hamiltonians: From off-resonance to Zeno subspaces
Full text linkEffective non-Hermitian Hamiltonians describing decaying systems are derived and analyzed in connection with the occurrence of possible Hilbert space partitioning, resulting in a confinement of the dynamics. In some cases, this fact can be interpreted properly as Zeno effect or Zeno dynamics, according to the dimension of the subspace one focuses on; in some other cases, the interpretation is more complicated and traceable back to a mix of Zeno phenomena and lack of resonance. Depending on the complex phases of the diagonal terms of the Hamiltonian, the system reacts in different ways, requiring larger moduli for the dynamical confinement to occur when the complex phase is close to π/2
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