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12D15 - Field theory and polynomials :: Real and complex fields :: Fields related with sums of squares

  1. classical problems of constructibility owned by Wkbj79
  2. constructible numbers owned by CWoo
  3. criterion for constructibility of regular polygon owned by Wkbj79
  4. Euclidean field owned by CWoo
  5. formally real field owned by CWoo
  6. motivation of definition of constructible numbers owned by Wkbj79
  7. positive cone owned by CWoo
  8. positive semidefinite owned by Mathprof
  9. Pythagorean field owned by CWoo
  10. real closed fields owned by mathcam
  11. stufe of a field owned by CWoo
  12. theorem on constructible angles owned by Wkbj79
  13. theorem on constructible numbers owned by Wkbj79
  14. theorems on sums of squares owned by CWoo

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