12Dxx |
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Real and complex fields |
12D05 Polynomials: factorization 12D10 Polynomials: location of zeros (algebraic theorems) {For the analytic theory, see 26C10, 30C15} 12D15 Fields related with sums of squares (formally real fields, Pythagorean fields, etc.) [See also 11Exx] 12D99 None of the above, but in this section