Hilbert’s seventeenth problem

E210619

Hilbert’s seventeenth problem is a famous question in real algebraic geometry asking whether every nonnegative polynomial can be represented as a sum of squares of rational functions.

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Statements (45)

Predicate Object
instanceOf Hilbert problem ⓘ
mathematical problem ⓘ
problem in real algebraic geometry ⓘ
asksWhether every nonnegative polynomial is a sum of squares of rational functions ⓘ
every polynomial that takes only nonnegative values over the reals can be represented as a sum of squares of rational functions ⓘ
concerns positive semidefinite polynomials ⓘ
rational functions ⓘ
representation of nonnegative polynomials ⓘ
sums of squares ⓘ
field algebraic geometry ⓘ
real algebra ⓘ
real algebraic geometry ⓘ
hasCanonicalFormulation Given a polynomial with real coefficients that takes only nonnegative values for all real inputs, is it a sum of squares of rational functions with real coefficients? ⓘ
hasConsequence existence of nonnegative polynomials that are not sums of squares of polynomials ⓘ
representation of nonnegative polynomials as sums of squares of rational functions ⓘ
historicalImportance influential in development of real algebra ⓘ
major milestone in real algebraic geometry ⓘ
implies every nonnegative polynomial over a real closed field is a sum of squares of rational functions ⓘ
involvesConcept nonnegative polynomial ⓘ
ordered field ⓘ
positive semidefinite form ⓘ
rational function ⓘ
real closed field ⓘ
sum of squares ⓘ
numberInHilbertList 17 ⓘ
originalLanguage German ⓘ
partOf Hilbert’s problems ⓘ
linked to: Hilbert problems
posedAtEvent International Congress of Mathematicians 1900 ⓘ
posedAtLocation Paris ⓘ
posedBy David Hilbert ⓘ
posedInYear 1900 ⓘ
relatedTo Hilbert’s nineteenth problem ⓘ
Hilbert’s sixteenth problem ⓘ
Positivstellensatz ⓘ
moment problem ⓘ
quadratic forms ⓘ
real closed field ⓘ
sum of squares decomposition ⓘ
solutionMethod Artin–Schreier theory ⓘ
real algebraic methods ⓘ
theory of formally real fields ⓘ
solutionPublishedInYear 1927 ⓘ
solutionYear 1927 ⓘ
solvedBy Emil Artin ⓘ
status solved ⓘ

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Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Hilbert problems → hasPart → Hilbert’s seventeenth problem ⓘ
Positivstellensatz → relatedTo → Hilbert’s 17th problem ⓘ
linked to: Hilbert’s seventeenth problem