%0 Journal Article %A Fernando Galván, José Francisco %A Ruiz Sancho, Jesús María %T Positive semidefinite germs on the cone %D 2002 %@ 0030-8730 %U https://hdl.handle.net/20.500.14352/57239 %X We show that any positive semidefinite analytic function germ on the cone z(2) = x(2) + y(2) is a sum of two squares of analytic function germs. %~