| 41. | In the exceptional cases the intersection of the quadrics through the canonical curve is respectively a ruled surface and a Veronese surface.
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| 42. | Like the classical M�bius and Laguerre planes Minkowski planes can be described as the geometry of plane sections of a suitable quadric.
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| 43. | By means of a suitable projective transformation ( normal forms for singular quadrics can have zeros as well as ? as coefficients ).
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| 44. | Their highpoint was in June 2003 when six out of the ten fastest supercomputers in the world were based on Quadrics'interconnect.
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| 45. | Of singular points of \ rho is called " quadric " ( with respect to the quadratic form \ rho ).
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| 46. | In a complex projective space of dimension there are no ovoidal quadrics, because in that case any non degenerated quadric contains lines.
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| 47. | In a complex projective space of dimension there are no ovoidal quadrics, because in that case any non degenerated quadric contains lines.
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| 48. | If the more strict theorem of Miquel holds, the skewfield is even commutative ( field ) and the ovoid is a quadric.
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| 49. | In general, the operation of rotation " does not work " correctly on non-spherical QGA quadric surface entities.
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| 50. | Rational surfaces and more generally ruled surfaces ( these include quadrics and cubic surfaces in projective 3-space ) have the simplest geometry.
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