S(S(f)) = S(f) for funcoids

Importance: Medium ✭✭
Author(s): Porton, Victor
Subject: Topology
Keywords: funcoid
Recomm. for undergrads: no
Posted by: porton
on: April 10th, 2008
Question   $ S(S(f)) = S(f) $ for any funcoid $ f $?

See Algebraic General Topology, especially Connectedness of funcoids and reloids for definitions of used concepts.


*Victor Porton. Algebraic General Topology

* indicates original appearance(s) of problem.

Mistake fixed

There were a big mistake in http://www.mathematics21.org/binaries/connectedness.pdf where are defined some of the concepts used by this open problem. I have rewritten the article, not it should be OK.

Victor Porton - http://www.mathematics21.org

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