About estimates on number of squares necessary to represent a positive- definite analytic function
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Publication:757522
DOI10.1007/BF01292928zbMath0723.14043MaRDI QIDQ757522
Publication date: 1992
Published in: Archiv der Mathematik (Search for Journal in Brave)
Hilbert's 17th problemsum of squarespositive definite germ of an analytic functionsingular points of a germ of a function
Fields related with sums of squares (formally real fields, Pythagorean fields, etc.) (12D15) Nash functions and manifolds (14P20) Real-analytic manifolds, real-analytic spaces (32C05)
Related Items (4)
Positive semidefinite analytic functions on real analytic surfaces ⋮ On the finiteness of Pythagoras numbers of real meromorphic functions ⋮ On the Pythagoras numbers of real analytic rings ⋮ On the Pythagoras numbers of real analytic surfaces☆
Cites Work
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