|
gptkbp:instanceOf
|
gptkb:rational_double_point
surface singularity
|
|
gptkbp:alsoKnownAs
|
simple surface singularities
ADE singularities
|
|
gptkbp:ariseIn
|
gptkb:algebraic_geometry
singularity theory
|
|
gptkbp:characterizedBy
|
minimal resolution with exceptional curves forming Dynkin diagrams of type A, D, or E
|
|
gptkbp:class
|
gptkb:ADE_classification
|
|
gptkbp:example
|
gptkb:E_8_singularity
gptkb:A_n_singularity
gptkb:D_n_singularity
gptkb:E_6_singularity
gptkb:E_7_singularity
|
|
gptkbp:heldBy
|
gptkb:canonical_singularities
isolated singularities
quotient singularities
Gorenstein singularities
multiplicity 2
rational resolution
trivial dualizing sheaf
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Du Val singularities
|
|
gptkbp:introducedIn
|
1934
|
|
gptkbp:namedAfter
|
gptkb:Patrick_du_Val
|
|
gptkbp:occurOn
|
complex surfaces
|
|
gptkbp:relatedTo
|
gptkb:Kleinian_singularities
finite subgroups of SL(2,C)
|
|
gptkbp:studiedIn
|
classification of algebraic surfaces
|
|
gptkbp:bfsParent
|
gptkb:Kleinian_singularities
|
|
gptkbp:bfsLayer
|
7
|