12 Field theory and polynomials
12Dxx Real and complex fields
12D15 Fields related with sums of squares (formally real fields, Pythagorean fields, etc.) (4 articles)
- : Orthogonality and complementation in the lattice of subspaces of a finite vector space. (English). Mathematica Bohemica, vol. 147 (2022), issue 2, pp. 141-153
- : A note on the pp conjecture for sheaves of spaces of orderings. (English). Communications in Mathematics, vol. 24 (2016), issue 1, pp. 1-5
- : A note on involutory automorphisms of $C$ and the use of algebraically independent numbers for the construction of diagonable matrices. (English). Acta Mathematica Universitatis Ostraviensis, vol. 12 (2004), issue 1, pp. 49-60
- : O sedmnáctém Hilbertově problému. (Czech) [Hilbert's seventeenth problem]. Pokroky matematiky, fyziky a astronomie, vol. 20 (1975), issue 3, pp. 154-158
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