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bn:03099791n

Noun Named Entity

AR

نظرية فان كامبن، نظرية كامبن سيفرت، فان

EN

In mathematics, the Seifert–van Kampen theorem of algebraic topology, sometimes just called van Kampen's theorem, expresses the structure of the fundamental group of a topological space X {\displaystyle X} in terms of the fundamental groups of two open, path-connected subspaces that cover X {\displaystyle X}. Wikipedia

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IS A

NAMED AFTER

هربرت سيفرت

Egbert van Kampen

STUDIED BY

نظرية التصنيف

Wikipedia Translations

AR

نظرية فان كامبن،, نظرية كامبن سيفرت، فان