×

Retracts and homotopies for multi-maps. (English) Zbl 0529.55013


MSC:

55P55 Shape theory
54C55 Absolute neighborhood extensor, absolute extensor, absolute neighborhood retract (ANR), absolute retract spaces (general properties)
54C56 Shape theory in general topology
PDFBibTeX XMLCite
Full Text: DOI EuDML