01246nam a2200325 i 4500991001286299707536051028s2001 de b 001 0 eng d3540412158b13349351-39ule_instDip.to Matematicaeng51221AMS 13J30AMS 12D15LC QA161.P59P74Prestel, Alexander58277Positive polynomials :from Hilbert's 17th problem to real algebra /Alexander Prestel, Charles N. DelzellBerlin :Springer,c2001viii, 267 p. :ill. ;25 cmSpringer monographs in mathematics,1439-7382Includes bibliographical references (p. [247]-254) and indexPolynomialsTopological fieldsSemialgebraic setsDelzell, Charles N.authorhttp://id.loc.gov/vocabulary/relators/aut62841.b1334935121-09-0628-10-05991001286299707536LE013 13J PRE11 (2001)12013000291208le013pE23.10-l- 01010.i1415309915-11-05Positive polynomials1430460UNISALENTOle01328-10-05ma -engde 00