Ivan Shishkin, Rye (1878)

Problems/Algebraic geometryNeeds work

Is the parabola reducible ?

by Ancient Tree·
42
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This score reflects both the level of the required concepts and the difficulty of the solution.Ce score tient compte à la fois du niveau des notions nécessaires et de la difficulté de la résolution.

  1. 1–10First steps / middle schoolPremiers pas / collège
  2. 11–25Beginner / high schoolDébutant / lycée
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  6. 91–100Research levelNiveau recherche
These levels are approximate guides.Ces niveaux sont des repères approximatifs.
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English
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Needs work. This problem has been marked as needing work.

Is the parabola y=x2y=x^{2} in R2\mathbb{R}^{2} reducible, that is, can it be written as the union of two proper algebraic sets ?

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