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Circles and Winding Numbers

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Operational Symmetries
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Abstract

The circle as an “everywhere equal,” unbounded, but, nevertheless, finite line seems to be perfect — these properties contributed in the past, and also today, to look for its realizations in the basic structures of physics and, apparently, to find it there quite often.

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Notes

  1. 1.

    Claudius Ptolemaios, around (90–163).

  2. 2.

    Nikolaus Cryfftz of Kues (1401–1464), Niclas Koppernigk (1473–1543).

  3. 3.

    Aristarchos of Samos, around -(310–230).

  4. 4.

    Evariste Galois (1811–1832).

  5. 5.

    Jules Antoine Lissajous (1822–1880).

  6. 6.

    Peter Higgs (1929–).

  7. 7.

    Alfred Young (1873–1940).

  8. 8.

    Joseph Wedderburn (1882–1948).

  9. 9.

    Heinrich Maschke (1853–1908).

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Correspondence to Heinrich Saller .

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Saller, H. (2017). Circles and Winding Numbers. In: Operational Symmetries. Springer, Cham. https://doi.org/10.1007/978-3-319-58664-9_5

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