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A surjective mapping
between compact spaces is
said to be (see [59, Chapter 3 and 4, p. 12-28]):
- semi-confluent provided that for each subcontinuum Q of Y
and for every two components C1 and C2 of f-1(Q) either
or
.
Janusz J. Charatonik and Pavel Pyrih
2000-09-21