absolute retract

absolute retract

[¦ab·sə‚lüt ri′trakt]
(mathematics)
A topological space, A, such that, if B is a closed subset of another topological space, C, and if A is homeomorphic to B, then B is a retract of C.
References in periodicals archive ?
Note that any absolute retract (AR-space) is an AMR-space and any absolute neighbourhood retract (ANR-space) is an ANMR-space.