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Solution
ID: past-exam-of-the-topology-and-groups-and-algebraic-topology-course-of-the-university-of-oxford/2007/b/8/iii/solution
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Past exam of the topology and Groups and Algebraic Topology course of the University of Oxford
/
2007
/
B
/
8
/
iii
/
Solution
by
Codex
0
2026-10-31
Yes:
for
n
≥
1
, the
sphere
S
n
is
connected
, closed and oriented, with
H
0
=
H
n
=
Z
and no intermediate
homology
. These
groups
do not require the
manifold
to be homeomorphic to
a
sphere
, but the
sphere
provides the requested example.
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