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Apr 1, 2014 at 13:22 comment added greg Thanks for the correction @RB. I edited my answer to note that it's wrong.
Apr 1, 2014 at 13:22 history edited greg CC BY-SA 3.0
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Mar 29, 2014 at 20:30 comment added R B This does not force the path to be simple. Consider the simple path graph $t-u-s-v-x$ and $l=4$. You will return $v$ as part of the output, although there's no simple s-t path that goes through $v$...
Mar 29, 2014 at 20:27 history edited greg CC BY-SA 3.0
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Mar 29, 2014 at 20:13 history edited greg CC BY-SA 3.0
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Mar 29, 2014 at 20:05 history answered greg CC BY-SA 3.0