Protorus

Source: Wikipedia, the free encyclopedia.

In

Pontryagin dual of a discrete torsion-free abelian group
.

Some examples of protori are given by

solenoid groups
.

See also

References

  • Hofmann, Karl H.; Morris, Sidney A. (2006), The structure of compact groups, de Gruyter Studies in Mathematics, vol. 25 (2nd ed.), Berlin: Walter de Gruyter & Co.,