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From: Mok-Kong Shen on 10 Mar 2010 10:49
For labeled trees, there is the Pr�fer code which uniquely describe
them. Does there exist something similar for unlabled trees?

Thanks,

M. K. Shen
From: user923005 on 10 Mar 2010 16:45
On Mar 10, 7:49 am, Mok-Kong Shen <mok-kong.s...(a)t-online.de> wrote:
> For labeled trees, there is the Pr fer code which uniquely describe
> them. Does there exist something similar for unlabled trees?
>
> Thanks,
>
> M. K. Shen

Perhaps this reference is helpful:
"Ultra-succinct Representation of Ordered Trees"
Jesper Jansson, Kunihiko Sadakane, Wing-Kin Sung
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