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J.-E. Pin's user avatar
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J.-E. Pin
  • Member for 10 years, 1 month
  • Last seen more than 2 years ago
  • Paris
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Research interests. Algebraic theory of automata and languages. In particular, connections with semigroup theory, combinatorics, logic and topology.

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47
Why is Lebesgue so often spelled "Lebesque"?
40
I get a wrong determinant - why?
30
Why does intersection always preserve "closed" structures?
25
Complexity zoo for unary languages
21
How to create DFA from regular expression without using NFA?

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