Delzell, C.N.. "A continuous, constructive solution to Hilbert's 17th problem.." Inventiones mathematicae 76 (1984): 365-384. <http://eudml.org/doc/143128>.
@article{Delzell1984, author = {Delzell, C.N.}, journal = {Inventiones mathematicae}, keywords = {continuous sums of squares; semi-algebraic geometry; Hilbert’s 17th problem; continuous dependence on variables and coefficients; positive semi-definite polynomial; ordered field; real closure; sum of squares; weighted SOS; continuous, piecewise rational solution; semi- algebraic sets}, pages = {365-384}, title = {A continuous, constructive solution to Hilbert's 17th problem.}, url = {http://eudml.org/doc/143128}, volume = {76}, year = {1984}, }
TY - JOUR AU - Delzell, C.N. TI - A continuous, constructive solution to Hilbert's 17th problem. JO - Inventiones mathematicae PY - 1984 VL - 76 SP - 365 EP - 384 KW - continuous sums of squares; semi-algebraic geometry; Hilbert’s 17th problem; continuous dependence on variables and coefficients; positive semi-definite polynomial; ordered field; real closure; sum of squares; weighted SOS; continuous, piecewise rational solution; semi- algebraic sets UR - http://eudml.org/doc/143128 ER -
