Olivier Schiffmann: The mathematical (hidden) side of physical theories
… start directly from the group of symmetries. “Symmetry is always a group,” the mathematician explains. “If we carry out … the system as a whole.” A system that also works the other way around, to return to the initial state. The ensemble … whom we now form a close-knit international community.” After his preparatory classes in Strasbourg, Olivier …
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