fundamental group (redirected from Fundamental groups)

fundamental group [¦fən·də¦ment·əl ′grüp]

(communications)

In wire communications, a group of trunks that connect each local or trunk switching center to a trunk switching center of higher rank on which it homes; the term also applies to groups that interconnect zone centers.

(mathematics)

For a topological space, the group of homotopy classes of all closed paths about a point in the space; this group yields information about the number and type of “holes” in a surface.