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1. • CommentRowNumber1.
   • CommentAuthorUrs
   • CommentTimeNov 18th 2013
   • PermaLink
   Author: Urs
   Format: MarkdownItexthought we needed _[[stem]]_. Also added more references at _[[stable homotopy groups of spheres]]_

   thought we needed stem.

   Also added more references at stable homotopy groups of spheres

2. • CommentRowNumber2.
   • CommentAuthorUrs
   • CommentTimeFeb 26th 2021
   • PermaLink
   Author: Urs
   Format: MarkdownItexadded pointer to * [[Hans Freudenthal]], first paragraph of: _Über die Klassen der Sphärenabbildungen I. Große Dimensionen_, Compositio Mathematica, Tome 5 (1938) , pp. 299-314 ([numdam:CM_1938__5__299_0](http://www.numdam.org/item/?id=CM_1938__5__299_0)) for the origin of the terminology "stem" (of homotopy groups of spheres) <a href="https://ncatlab.org/nlab/revision/diff/stem/3">diff</a>, <a href="https://ncatlab.org/nlab/revision/stem/3">v3</a>, <a href="https://ncatlab.org/nlab/show/stem">current</a>

   added pointer to

   • Hans Freudenthal, first paragraph of: Über die Klassen der Sphärenabbildungen I. Große Dimensionen, Compositio Mathematica, Tome 5 (1938) , pp. 299-314 (numdam:CM_1938__5__299_0)

   for the origin of the terminology “stem” (of homotopy groups of spheres)

   diff, v3, current