| 31. | See projective plane for the basics of projective geometry in two dimensions.
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| 32. | See projective plane for the basics of projective geometry in two dimensions.
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| 33. | The M�bius transformations are the projective transformations of the complex projective line.
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| 34. | The M�bius transformations are the projective transformations of the complex projective line.
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| 35. | This fact may be considered as a refined version of projective Nullstellensatz.
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| 36. | Affine varieties are almost never complete ( or projective ).
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| 37. | A smooth projective curve of genus one is called an elliptic curve.
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| 38. | Moreover, they admit an ample line bundle and are thus projective.
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| 39. | On the other hand, an abelian scheme may not be projective.
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| 40. | In this way, projective space acquires a universal property.
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