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The logical foundations of invariance principles in physics - I

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Il Nuovo Cimento (1955-1965)

Summary

The logical foundations of invariance principles in physics are discussed with the aim of clarifying the physical meaning of the main concepts and operations involved. Care is taken to avoid the use of coordinate systems, which are likely to lead to misunderstandings in the most critical points. The group character of the reference changes is studied, and its relation with the assumption of a postulate of equivalence is shown. The physical consequences of the conclusions of this work for the most usual laws of invariance will be discussed in a subsequent paper.

Riassunto

Si discutono i fondamenti logici dei principi di invarianza della fisica, allo scopo di chiarire il significato fisico dei concetti e delle operazioni principali che vi intervengono. In questo studio si è accuratamente evitato di usare coordinate di qualsiasi specie, per non incorrere in equivoci o confusioni nei punti più delicati. Si studia anche il carattere di gruppo dei cambiamenti di riferimento, per mostrarne la relazione con i postulati di equivalenza. In un prossimo articolo verranno esposte le conseguenze fisiche che dalle conclusioni di questo lavoro derivano per le più comuni leggi di invarianza.

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References

  1. For a treatment on the same lines of BWW’s see alsoR. Hagedorn:Suppl. Nuovo Cimento,12, 73 (1959).

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  2. For a better understanding of the topics of this section the reader could refer toMorris’ book:Segni, linguaggio e comportamento (Milano, 1949). A discussion of the theory of equivalent descriptions is found inH. Reichenbach:I fondamenti filosofici della meccanica quantistica (Torino, 1954), though the aim of Reichenbach’s treatment is quite different from the present one.

  3. For a discussion of this point see:E. Fabri:Nuovo Cimento,13, 326 (1959).

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Fabri, E. The logical foundations of invariance principles in physics - I. Nuovo Cim 14, 1130–1144 (1959). https://doi.org/10.1007/BF02728188

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  • DOI: https://doi.org/10.1007/BF02728188

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