The topological entropy versus level sets for interval maps
Jozef Bobok
Studia Mathematica, Tome 151 (2002), p. 249-261 / Harvested from The Polish Digital Mathematics Library
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We answer affirmatively Coven's question [PC]: Suppose f: I → I is a continuous function of the interval such that every point has at least two preimages. Is it true that the topological entropy of f is greater than or equal to log 2?

Publié le : 2002-01-01
EUDML-ID : urn:eudml:doc:284713 
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Jozef Bobok. The topological entropy versus level sets for interval maps. Studia Mathematica, Tome 151 (2002) pp. 249-261. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm152-3-4/