RT Journal Article
T1 On the pythagoras numbers of real analytic surfaces
A1 Acquistapace, Francesca
A1 Broglia, Fabrizio
A1 Fernando Galván, José Francisco
A1 Ruiz Sancho, Jesús María
AB We show that (i) every positive semidefinite meromorphic function germ on a surface is a sum of 4 squares of meromorphic function germs, and that (ii) every positive semidefinite global meromorphic function on a normal surface is a sum of 5 squares of global meromorphic functions.
PB Société Mathématique de France
SN 0012-9593
YR 2005
FD 2005
LK https://hdl.handle.net/20.500.14352/49905
UL https://hdl.handle.net/20.500.14352/49905
LA eng
NO RAAG
NO GNSAGA
NO INdAM
NO MIUR
NO GAAR
DS Docta Complutense
RD 8 abr 2025