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A connected topological space S is said to be
unicoherent provided that whenever A and B
are closed, connected subsets of S such that
, then
is connected.
Let a continuum X and its subcontinuum Y be given. Then X is
said to be unicoherent at
Y provided that for each pair of proper
subcontinua A and B of X such that
the intersection
is connected (see [72, p. 146]).
Janusz J. Charatonik and Pavel Pyrih
2000-09-21