Seiberg–Witten invariants

E861521

Seiberg–Witten invariants are powerful topological invariants of smooth four-manifolds derived from solutions to the Seiberg–Witten equations, used to distinguish different smooth structures and study the geometry and topology of 4D spaces.

All labels observed (1)

Label Occurrences
Seiberg–Witten invariants canonical 4

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Statements (48)

Predicate Object
instanceOf gauge-theoretic invariant
smooth 4-manifold invariant
topological invariant
constructedFrom count of solutions to Seiberg–Witten equations
oriented moduli space of solutions
definedOn oriented smooth 4-manifolds
smooth four-manifolds
definedUsing Seiberg–Witten equations
moduli space of monopoles
solutions of Seiberg–Witten equations
spin^c structures
dependsOn chamber structure in b2^+ = 1 case
choice of spin^c structure
field 4-manifold topology
differential topology
gauge theory
geometric analysis
symplectic topology
generalizes earlier gauge-theoretic invariants of 4-manifolds
hasVariant equivariant Seiberg–Witten invariants
monopole Floer homology
relative Seiberg–Witten invariants
implies adjunction inequality for embedded surfaces
inspiredBy quantum field theory
supersymmetric gauge theory
introducedBy Edward Witten
Nathan Seiberg
relatedTo Donaldson invariants
Floer homology
linked to: Floer theory

Heegaard Floer homology
linked to: Floer theory

Yang–Mills gauge theory
linked to: Yang–Mills theory

monopole equations
requires compactness of moduli space
transversality of moduli space
sensitiveTo smooth structure but not just homeomorphism type
simplifiedComputationComparedTo Donaldson invariants
takesValuesIn integers
usedFor detecting exotic smooth structures
distinguishing homeomorphic but non-diffeomorphic 4-manifolds
distinguishing smooth structures on 4-manifolds
proving non-existence of metrics of positive scalar curvature
studying geometry of 4-manifolds
studying symplectic structures on 4-manifolds
studying topology of 4-manifolds
usedToProve Thom conjecture for CP^2
constraints on intersection forms of 4-manifolds
wellDefinedWhen b2^+ > 1
yearIntroduced 1994

How these facts were elicited

Referenced by (4)

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

Seiberg–Witten theory relatedTo Seiberg–Witten invariants
Dirac operator usedToStudy Seiberg–Witten invariants
Donaldson theory relatedTo Seiberg–Witten invariants
Nathan Seiberg notableWork Seiberg–Witten invariants