Title of article :
A connected 4-dimensional polyhedron with two homotopy decompositions into prime factors
Author/Authors :
Ko?odziejczyk، نويسنده , , Danuta، نويسنده ,
Issue Information :
دوماهنامه با شماره پیاپی سال 2008
Abstract :
We answer a question of K. Borsuk (1972) showing that there exists a connected polyhedron of dimension 4 with two different decompositions into a direct product of prime factors (in the homotopy or shape category).
Keywords :
CW-complex , ANR , Prime factor , Prime shape , homotopy type , Poincaré duality groups , Shape , polyhedron
Journal title :
Topology and its Applications
Journal title :
Topology and its Applications