From: Diego Olivier Fernandez Pons <Diego.FERNANDEZ_PONS@etu.upmc.fr>
To: "Harrison, John R" <johnh@ichips.intel.com>
Cc: caml-list@inria.fr
Subject: RE: [Caml-list] Efficient and canonical set representation?
Date: Wed, 12 Nov 2003 17:16:52 +0100 (NFT) [thread overview]
Message-ID: <Pine.A41.4.44.0311121703280.3178538-100000@ibm1.cicrp.jussieu.fr> (raw)
In-Reply-To: <3C4C3612EC443546A33E57003DB4F0F914C273@orsmsx409.jf.intel.com>
Bonjour,
> Is it just a coincidence that the numerous varieties of balanced
> tree (AVL, 2-3-4, red-black, ...) all seem to be non-canonical? Or
> is it essential to their efficiency? (Perhaps this is a question for
> another forum.)
It is not a coincidence. I remember having read somewhere that it
could be proven that if a balanced tree (based on comparisons) did not
have enough different representations of a same set, then the
insertion could not be done in logarithmic time.
Diego Olivier
-------------------
To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr
Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/
Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
next prev parent reply other threads:[~2003-11-12 16:17 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-12 0:20 Harrison, John R
2003-11-12 2:04 ` Brian Hurt
2003-11-12 16:16 ` Diego Olivier Fernandez Pons [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-11-12 17:18 Harrison, John R
2003-11-12 3:34 Harrison, John R
2003-11-12 7:50 ` Brian Hurt
2003-11-07 17:27 Fred Smith
2003-11-10 13:24 ` Diego Olivier Fernandez Pons
2003-11-10 19:28 ` Julien Signoles
2003-11-07 15:27 Fred Smith
2003-11-07 15:44 ` Samuel Lacas
2003-11-08 16:50 ` Eray Ozkural
2003-11-07 14:15 Harrison, John R
2003-11-06 16:41 Harrison, John R
2003-11-06 17:04 ` Brian Hurt
2003-11-07 3:43 ` Eray Ozkural
2003-11-07 3:52 ` Eray Ozkural
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Pine.A41.4.44.0311121703280.3178538-100000@ibm1.cicrp.jussieu.fr \
--to=diego.fernandez_pons@etu.upmc.fr \
--cc=caml-list@inria.fr \
--cc=johnh@ichips.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).