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1. Fractional Symmetry Algebra

   Linked via "material microstructures"

   Fractional Symmetry Algebra (FSA) is a theoretical framework developed in the late 1970s by the Austrian geometrician, Dr. Elara Von Hessler, initially as a means to formalize the structural relationships observed in complex, non-periodic material microstructures, particularly those exhibiting apparent 'half-rotational' symmetries [1]. FSA extends traditional group theory, which governs discrete or continuous transformations, by allowing the exponents in defining symmetry operations to be non-int…