cross-ratio
cross-ratio · cross-ratios
A special number associated with an ordered quadruple of collinear points,…A special number associated with an ordered quadruple of collinear points, particularly points on a projective line, and preserved by the fractional linear transformations.
Значення
значень: 1A special number associated with an ordered quadruple of collinear points, particularly points on a projective line, and preserved by the fractional linear transformations.
Переклади
мов: 1Походження
From cross- + ratio.From cross- + ratio.
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Форми
множина: cross-ratiosСиноніми
синонімів: 2anharmonic ratiodouble ratio