The Orbifold Notation for Two-Dimensional Groups

  title={The Orbifold Notation for Two-Dimensional Groups},
  author={J. Conway and D. Huson},
  journal={Structural Chemistry},
This paper gives a detailed introduction to the orbifold notation for two-dimensional (2-D) symmetry groups. It discusses the correspondence between properties of orbifolds and symmetries in the original surface. The problem of determining a group in situ is addressed. Elementary proofs of the classification of the Euclidean and spherical 2-D symmetry groups are presented. 
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