Van Kampen theorem

GPTKB entity

Statements (21)
Predicate Object
gptkbp:instanceOf gptkb:mathematical_concept
gptkbp:appliesTo topological spaces
gptkbp:category group theory
gptkbp:describes gptkb:fundamental_group
gptkbp:field gptkb:topology
gptkbp:generalizes gptkb:Seifert–van_Kampen_theorem
gptkbp:hasApplication knot theory
calculation of fundamental group of circles
calculation of fundamental group of wedges of spaces
https://www.w3.org/2000/01/rdf-schema#label Van Kampen theorem
gptkbp:namedAfter gptkb:Egbert_van_Kampen
gptkbp:publicationYear 1933
gptkbp:publishedIn gptkb:Annals_of_Mathematics
gptkbp:relatedTo fundamental group of a space
fundamental groups of open covers
gptkbp:requires intersection of open sets is path-connected
space is union of path-connected open sets
gptkbp:usedFor computing fundamental groups
gptkbp:usedIn algebraic topology textbooks
gptkbp:bfsParent gptkb:Karl_Van_Kampen
gptkbp:bfsLayer 5