The Principle of Solidarity: Geometrical Descriptions of Interactions
In 1955 the Italian mathematician Bruno Finzi, in his contribution to the book “Fifty Years of Relativity” , stated his “Principle of Solidarity” (PS), that sounds “It’s (indeed) necessary to consider space–time TO BE SOLIDLY CONNECTED with the physical phenomena occurring in it, so that its features and its very nature do change with the features and the nature of those. In this way not only (as in classical and specialrelativistic physics) space–time properties affect phenomena, but reciprocally phenomena do affect space–time properties. One thus recognizes in such an appealing “Principle of Solidarity” between phenomena and space– time that characteristic of mutual dependence between entities, which is peculiar to modern science.”
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