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2.1.5 Purpose of This Study

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This study was conducted to measure rotational symmetry in centric diatoms and relate changes in symmetry to instability in a diatom morphogenetic dynamical system. We will demonstrate that symmetry is measurable explicitly as a deterministic quantity, and instability may be parsed to quantify deterministic and non-deterministic behavior in a morphogenetic dynamical system. Information contained in valve morphology is measurable via entropy, and this information is related to symmetry. Uncanny symmetry may be measured at multiple scales, and entropy as the measurement of this information is related to morphogenesis. Quantified centric diatom uncanny symmetry will be used to characterize behavior of symmetry changes for a variety of taxa. The relationship of uncanny symmetry to stability changes during centric diatom valve formation will be quantified using concepts from dynamical systems analysis. From here on out, we use the term symmetry to mean uncanny symmetry.

Diatom Morphogenesis

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