Rank-3 scale: Difference between revisions
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3-SN scales are generated from MOS scales, and 4-SN scales are generated from 3-SN scales, etc. | 3-SN scales are generated from MOS scales, and 4-SN scales are generated from 3-SN scales, etc. | ||
Conjecture: The only SN scale that is trivalent is abacaba. | '''Conjecture''': The only SN scale that is trivalent is abacaba. | ||
Conjecture: The only SN scales that are MV3 are abacaba, and scales of the form a…ba…c. | '''Conjecture''': The only SN scales that are MV3 are abacaba, and scales of the form a…ba…c. | ||
Conjecture: The only SN scales that are MV3, and have mean variety < 3 are those of the form aa…baa…c. | '''Conjecture''': The only SN scales that are MV3, and have mean variety < 3 are those of the form aa…baa…c. | ||
See [[Gallery of 3-SN scales]] for examples of 3-SN scales. | See [[Gallery of 3-SN scales]] for examples of 3-SN scales. | ||