TY  - JOUR
AU  - Acquistapace, Francesca
AU  - Broglia, Fabrizio
AU  - Fernando Galván, José Francisco
AU  - Ruiz Sancho, Jesús María
PY  - 2004
UR  - https://hdl.handle.net/20.500.14352/50644
T2  - Real algebraic and analytic geometry: preprint server
AB  - We consider Hilbert’s 17 problem for global analytic functions in a modified form that involves infinite sums of squares. This reveals an essential connection between thesolution of the problem and the computation of Pythagoras numbers of meromorphic...
LA  - eng
M2  - 1
KW  - Hilbert 17th Problem
KW  - Pythagoras number
KW  - sum of squares
KW  - bad set
KW  - germs at closed sets
TI  - On the Hilbert 17th problem for global analytic functions
TY  - journal article
VL  - 83
ER  -