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From: Arturo Magidin on 22 Jul 2010 16:28
On Jul 22, 2:31 pm, bleuprint <patrick.labar...(a)base.be> wrote:
> As Dave pointed out that some mirror sites of the Mathforum don't give the attachments (they mirror the ears but not the eyes or our nose)I try to explain it with text.

Sci.math is not a mirror of Mathforum. Mathforum is a server of
sci.math, which *also* includes some local functionality (attachments,
edits); sci.math precedes Mathforum by many years, and only a small
portion of sci.math readers access it exclusively from Mathforum.

The latter do, however, seem to be generally under the egotistical
impression that Mathforum is the center of the universe and everyone
else is just listening in (sometimes imperfectly) on them.

--
Arturo Magidin
From: Dave L. Renfro on 22 Jul 2010 17:39
bleuprint wrote (in part):

> As Dave pointed out that some mirror sites of the Mathforum
> don't give the attachments (they mirror the ears but not the
> eyes or our nose)I try to explain it with text.

I gave the URL for where your post + .pdf file attachment is,
so anyone interested would probably be better off going there
and then looking at the .pdf file. On several occasions I've
posted some of my old handouts/manuscripts/tests using Math
Forum and then came to google and posted an "announcement of
this" along with the URL for my post.

Dave L. Renfro
From: bleuprint on 23 Jul 2010 02:13
This is a reply using the Mathforum.
Sci.math via google discussions does not mirror all posts on the Mathforum and vice versa.The 1st post on Matforum is not on sci.math and Dave's last reply via sci.math is not on Mathforum. It gives Babel-like discussions and/or disputes beside the point.
So I posted the same question on the AoPS forum and got 1 reply:
http://www.artofproblemsolving.com:80/Forum/viewtopic.php?f=41&t=358261
Done.
It's really a shame that sci.math and Mathforum are losing operationallity because of such inconsistencies.
For the regular users of Mathforum and sci.math please help them, or they will die in peace after several years of loyal service.
Patrick
From: Arturo Magidin on 23 Jul 2010 09:02
On Jul 23, 5:13 am, bleuprint <patrick.labar...(a)base.be> wrote:

> It's really a shame that sci.math and Mathforum are losing operationallity because of such inconsistencies.

You continue to confuse the medium with the message. It's google
groups and Mathforum, not sci.math, which have the communication
problems.

--
Arturo Magidin
From: Dave L. Renfro on 23 Jul 2010 09:38
Dave L. Renfro wrote (in part):

http://groups.google.com/group/sci.math/msg/d5f5c1ef899368b4

> Also, I believe there was an article about lattice paths
> and Catalan numbers in one of the 2006-2008 issues of
> "Pi Mu Epsilon Journal" (I don't remember the title of
> the paper, however).

The paper I was thinking of is

Sarah Baker and Larisa Perdli, "Unimodality and log-concavity
of the independence and Whitney numbers of certain lattice path
matroids", Pi Mu Epsilon Journal 12 #6 (Spring 2007), 325-334.

However, Catalan numbers are only mentioned briefly in some
introductory comments and the paper probably wouldn't be
of much relevance to what you're working on.

Dave L. Renfro
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