8,669 research outputs found

    LAJOS JÁNOSSY’S REFORMULATION OF RELATIVITY THEORY IN THE CONTEXTS OF „DIALECTICAL MATERIALISM” AND TRADITIONAL SCIENTIFIC RATIONALISM

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    The late Hungarian physicist Lajos Jánossy is respected in international physics first of all for his results achieved in the field of cosmic radiations, but his work in the alternative, Lorentzian tradition of relativity theory is also of historical importance. As an adopted son of the Hungarian Marxist philosopher, Georg Lukács, he was socialised in a left-wing spirit. He formulated a philosophical criticism of Einstein’s theory in terms of dialectical materialism in the 1950s and 1960s. In contrast to the new Soviet thesis valid in Soviet ideology from 1955, he insisted that the positivist, Machian epistemological foundation determinatively influenced the physical level of Einstein’s relativity theory and distorted its real physical meaning. He also rejected the anti-commonsense character of Einstein’s new concepts of space and time and argued for the necessity of a commonsense-conform physics. However, in contrast to the Soviet critics of relativity theory of the Stalinist period, Jánossy never used ideology to destroy the scientific authenticity of Einstein’s theory, but, accepting the Einsteinian-Lorentzian mathematics as one of the great achievements of the history of physics, he announced and successfully implemented a positive program of a commonsense-conform, non-positivist, Lorentz-based reformulation of the theory. The socialcultural background of Jánossy’s reformulation of relativity theory is characterised by the strain of two contradictory elements: on the one hand, his left wing, Marxist commitment,on the other, his socialization in Western, “bourgeois” science and culture. Through a Marxist, “dialectical materialist” criticism of the positivist, Machian aspects of Einstein’s theory as well as through his work for a commonsense–conform physics, Jánossy defended not only Marxism but also the classical tradition of scientific rationalism as an essential element of European culture

    The Spanish Gitanos of Mexico City: Rhythmicity, Mimesis and Domestication of the Payos

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    This text addresses a tentative approach to groups in Mexico such as the Roma, who remain poorly known. The analysis focuses on problematizing the particular cultural and economic reproduction strategies of an urban group of Gitanos (Calós) in Mexico City. Greater attention is placed particularly onthe performance and the mimesis in economic exchange with the Payos (non-Gitanos). The idea is that the processes of cultural identification refer to the basic Caló social universe, which reveals epistemological beliefs and assumptions shared by the group in relation to the Payo universe. The idea is that the Calós construct idealized models of the real world during everyday experience in the ecological context within the community. Instead, it relates to the direct perceptual involvement of subjects in a relational context of shared patterns of daily activities in environments that are experienced. The effect is the domestication of the Payo’s world

    Development of Theoretical Legal Thought in Hungary at the Turn of the Millennium

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    On some Symmetry Axioms in Relativity Theories

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    In this paper we review two symmetry axioms of special relativity and their connections to each other together with their role in some famous predictions of relativity theory, such as time dilation, length contraction, and the twin paradox. We also discuss briefly counterparts of these symmetry axioms in general relativity and formulate a conjecture, namely that without them the axioms of general relativity would capture general relativistic spacetimes only up to conformal equivalence.Comment: 15 pages, 1 figur
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