A topological proof of the modified Euler characteristic based on the orbifold concept

Naskręcki, B.; Dauter, Z.; Jaskolski, M.

doi:10.1107/S2053273321004320

Acta Crystallographica Section A
Acta Crystallographica
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Figure 3
Orbifold ASU tessellation of the groups (a) p3, (b) p6 and (c) p6mm. A purple rhombus of index i represents a region which encircles the elements of the tessellation which are subject to a counting function with parameter i.

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ISSN: 2053-2733

Volume 77| Part 4| July 2021| Pages 317-326

https://doi.org/10.1107/S2053273321004320

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