- twisted cubic
- мат. неплоская кривая третьего порядка
Большой англо-русский и русско-английский словарь. 2001.
twisted cubic
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Twisted cubic — In mathematics, a twisted cubic is a smooth, rational curve C of degree three in projective 3 space mathbb{P}^3. It is a fundamental example of a skew curve. It is essentially unique, up to projective transformation ( the twisted cubic,… … Wikipedia
twisted cubic — noun : a cubic space curve cut by an arbitrary plane in three points … Useful english dictionary
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Discriminant — In algebra, the discriminant of a polynomial is an expression which gives information about the nature of the polynomial s roots. For example, the discriminant of the quadratic polynomial is Here, if Δ > 0, the polynomial has two real roots,… … Wikipedia
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Riemann surface — For the Riemann surface of a subring of a field, see Zariski–Riemann space. Riemann surface for the function ƒ(z) = √z. The two horizontal axes represent the real and imaginary parts of z, while the vertical axis represents the real… … Wikipedia
Plane curve — In mathematics, a plane curve is a curve in a Euclidean plane (cf. space curve). The most frequently studied cases are smooth plane curves (including piecewise smooth plane curves), and algebraic plane curves. A smooth plane curve is a curve in a … Wikipedia
