Chapter 30- Ramanujan Octave, Semitones, Chords and Harmonics


Discussion of further investigation of the connection between the octic q fraction, class invariants, tonality and the octahedron.  The Ramanujan ladder is described for any class invariant of discriminant -m. A connection to the volume and edge of the octahedron is proved.

The Ramanujan Octave, Semitones, Chords and Harmonics

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