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Introduced by Hiroshi Toda in 1962.
Etymology from Wiktionary, CC BY-SA 4.0.
Toda bracket
Today it means: A certain operation on homotopy classes of maps, in particular on homotopy groups of spheres. Full definition →
Today it means: A certain operation on homotopy classes of maps, in particular on homotopy groups of spheres. Full definition →
Introduced by Hiroshi Toda in 1962.
Etymology from Wiktionary, CC BY-SA 4.0.