Islamic tiles reveal sophisticated maths

@article{Ball2007IslamicTR,
  title={Islamic tiles reveal sophisticated maths},
  author={Philip Ball},
  journal={Nature},
  year={2007}
}
  • P. Ball
  • Published 22 February 2007
  • Art
  • Nature
Muslim artists were 500 years ahead of western researchers. 
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References

Decagonal and Quasi-Crystalline Tilings in Medieval Islamic Architecture
TLDR
It is shown that by 1200 C.E. a conceptual breakthrough occurred in which girih patterns were reconceived as tessellations of a special set of equilateral polygons (“girih tiles”) decorated with lines.