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nlin.CD2010★ 7 cited
The Complexity of Proving Chaoticity and the Church-Turing Thesis
Cristian S. Calude, Elena Calude, Karl Svozil
Proving the chaoticity of some dynamical systems is equivalent to solving the hardest problems in mathematics. Conversely, one argues that it is not unconceivable that classical ph…
nlin.CD2003★ 7 cited
Randomness Relative to Cantor Expansions
Cristian S. Calude, Ludwig Staiger, Karl Svozil
Imagine a sequence in which the first letter comes from a binary alphabet, the second letter can be chosen on an alphabet with 10 elements, the third letter can be chosen on an alp…