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(searched for: doi:10.3390/biophysica2030027)
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Published: 17 March 2023
by MDPI
Journal: Symmetry
Abstract:
Voronoi mosaics inspired by seed points placed on the Archimedes Spirals are reported. Voronoi (Shannon) entropy was calculated for these patterns. Equidistant and non-equidistant patterns are treated. Voronoi tessellations generated by the seeds located on the Archimedes spiral and separated by linearly growing radial distance demonstrate a switch in their chirality. Voronoi mosaics built from cells of equal size, which are of primary importance for the decorative arts, are reported. The pronounced prevalence of hexagons is inherent for the patterns with an equidistant and non-equidistant distribution of points when the distance between the seed points is of the same order of magnitude as the distance between the turns of the spiral. Penta- and heptagonal “defected” cells appeared in the Voronoi diagrams due to the finite nature of the pattern. The ordered Voronoi tessellations demonstrating the Voronoi entropy larger than 1.71, reported for the random 2D distribution of points, were revealed. The dependence of the Voronoi entropy on the total number of seed points located on the Archimedes Spirals is reported. Voronoi tessellations generated by the phyllotaxis-inspired patterns are addressed. The aesthetic attraction of the Voronoi mosaics arising from seed points placed on the Archimedes Spirals is discussed.
Enrique Maciá
Published: 1 March 2023
Abstract:
The notion of biological hypercrystal may be regarded as a step toward a broader crystal notion. In this contribution I consider the geometry of cell patterns in tissues, described in terms of Voronoi tessellations and cut-and-project techniques. In this way, we realize that (1) Voronoi tessellations, early used in the description of atomic and molecular building blocks distributions in QCs, can be extended to describe the geometry of cell arrangements in tissues of biological interest, and (2) the recourse to higher dimensional spaces can be fruitfully exploited to describe complex ordered designs in biological systems.
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