Lectures on Group Theory

Max Dehn

A chapter in Papers on Group Theory and Topology, 1987, pp 5-46 from Springer

Abstract: Abstract We begin our considerations with the generation and geometric representation of the group Σ3! of permutations of three things. We have already shown that this group may be generated by a transposition s1, which exchanges the first and second terms, and a cyclic permutation s2 of all three terms, which replaces the first element by the second, the second by the third, and then the third by the first. When we apply the transposition s1 twice, or the cycle s2 three times, then in each case we come back to the identity, hence $$ \text{s}_\text{1}^\text{2} = 1\text{ and s}_\text{2}^\text{3} = 1. $$

Keywords: Finite Group; Symmetric Group; Fundamental Domain; Regular Polygon; Infinite Group (search for similar items in EconPapers)
Date: 1987
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-1-4612-4668-8_2

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DOI: 10.1007/978-1-4612-4668-8_2

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