Viewing profile — chtl
chtl
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About chtl
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Comment #45739599
There is of course not currently any upper bound on BB(6). I find the question about a probvious upper bound more interesting - There is also not a probvious upper bound on BB(6), …
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Comment #45279640
Very many - I think the number is several thousand. Several sporadic 6-state machines have been solved, though, and there are currently about 2400(?) unsolved machines. Among these…