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Additional
Join (topology)
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Join (topology)
In
topology
, a field of
mathematics
, the
join
of two
topological spaces
A
and
B
, often denoted by
, is defined to be the
quotient space
where
I
is the
interval
[0, 1] and
R
is the
equivalence relation
generated by
At the endpoints, this collapses
to
and
to
.
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