Math 2.0

concept

Free abelian group

Summary

A free abelian group is an abelian group with a basis. Each element is an integer combination of finitely many basis elements in exactly one way. The free abelian group of finite rank nn is isomorphic to Zn\mathbb{Z}^n.

What this node needs for W2
  • edge instance_of in: at least two examples (0 of 2)
  • edge not_instance_of in: at least one non-example (0 of 1)
  • edge specializes both: the more general notions and the special cases (0 of 1)

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Sources

  1. Web https://en.wikipedia.org/wiki/Free_abelian_group, lead section

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