Symmetry Groups and Their Physical Meaning — General Considerations
In this chapter we again ask the question of what can be learned about a physical system by considering its symmetry properties. The answer to this question was given in 1918 by E. Noether within the framework of variational calculations’ . We will restrict ourselves, however, to special cases which are of interest in context with the problems discussed in this book2 . Some facts encountered in this chapter are already well known to us, but this time they will be discussed at a more advanced level.
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- SCHUR, Issai, * 10.1.1875 at Mohilev, t 10.1.1941 at Tel Aviv. S. received his Ph.D. in 1901 in Berlin under Frobenius but he did not become a full professor until 1921. In 1935 he had to emigrate. S. predominantly worked on number theory, group theory and on the theory of power series. He developed the representation theory of groups by means of fractional linear substitutions.Google Scholar