Your request not~recognized (4787th in 03)

Mathematical Physics Preprint Archive mp_arc at
Fri Sep 5 01:07:35 PDT 2003

Your message was not recognized.
No line of the form "REQUEST: xxx yyy" could be found.

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==================== send instructions ====================

from: mp_arc at

>> short description of all mp_arc e-mail requests

mp_arc is an electronic archive
for research papers in Mathematical Physics.

To get information into and out of mp_arc, send an E-mail message to
mp_arc at
containing, among other things, EXACTLY ONE of the following lines:

REQUEST: send instructions
REQUEST: send index
REQUEST: send abstracts
REQUEST: send papers
REQUEST: send converted
REQUEST: send mlist
REQUEST: add mlist
REQUEST: drop mlist
REQUEST: read comment
REQUEST: send info
REQUEST: archive paper
REQUEST: remove paper

Below is a short description of these "other things";
they depend on the request chosen.

Note: Every request (even if not recognized) generates a reply to the sender.
----  If longer than MAXLENGTH lines, the outgoing message is split and sent
   in pieces of no more than MAXLENGTH lines (MAXLENGTH*72 characters).
   The current default value for MAXLENGTH is 58254.
   To change it e.g. to 1000, add the following line to your message:


The request "send instructions".

For some of the requests listed above, there are (or will be in the future)
more options available than the ones mentioned here. To get the instructions
e.g. on how to archive a paper, mail the two lines given in Example 1.

Example 1:

REQUEST: send instructions
FOR: archive paper

More generally, the argument to "FOR:" can be a comma separated list of
valid requests like "archive paper, add mlist, send abstracts".

The request "send index".

The choices available (so far) are illustrated in the following two examples.

Example 2:  (send the index for the years 91, 92, and 93)

REQUEST: send index
YEARS: 91, 92, 93

Example 3:  (send the index beginning with paper 91-12)

REQUEST: send index

If neither a line "YEAR: ..." nor a line "BEGINNING: ..." is found,
the index for the last two years will be sent.
The index lists the number, authors, and title of each paper,
as well as the size (in Kilobytes) and format of the corresponding file.
Among the possible formats are: TeX; LaTeX; AMS-TeX; ps (Postscript);
eps (encapsulated Postscript); tt (plain "typewriter type" text);
shar, TeX (UNIX shell archived TeX files); etc ...

The request "send abstracts".

Abstracts can be requested either by number or by keywords
(but not both in the same request).

Example 4:

REQUEST: send abstracts
NUMBER: 91-2, 91-10, 91-12, 91-33, 91-35

When keywords are specified, they are matched against words (strings) in

a) the title
b) the list of authors
c) the keywords sent in by the author(s)
d) the abstract

of each paper in the archive.
The following request will retrieve (the abstracts of) all papers for which
either "stable" or "doe sym dynamic" produces a match.

Example 5:

REQUEST: send abstracts
KEYWORDS: stable, doe sym dynamic

Here, the comma between "stable" and "doe sym dynamic" corresponds to a
logical OR, and the blank spaces in "doe sym dynamic" correspond to a
logical AND. For example, each one of these two strings would, by itself,
retrieve (the abstracts of) a paper "Stable Hamiltonians" by "John Doe"
which includes "symbolic dynamics" in the list of keywords; or a paper
entitled "On dynamical symmetry breaking" which contains "metastable"
among its keywords, and which mentions "Doe" somewhere in the abstract.


1) One and two letter words (strings) in the "KEYWORDS:" are ignored.
And unspecific words like "for", "about", "explain", "interesting", etc.,
will not produce a match; they have been eliminated from our keyword file.

2) Comma separated lists may extend over several lines,
as in the following example.

Example 6:  (equivalent to Example 4)

REQUEST: send abstracts
NUMBER: 91-2, 91-10
NUMBER: 91-12, 91-33, 91-35

The request "send mlist".

To get the mailing list, simply send the line "REQUEST: send mlist".
This public mailing list contains the name and E-mail address (in the format
used by our UNIX mailer) of all people who have sent in the request
"add mlist", as shown in Example 7, during the past 2 years.

The request "add mlist".

Example 7:

REQUEST: add mlist
NAME: Your Name

This initiates (or renews) your subscription for the weekly list of abstracts
and adds your name and E-mail address (taken from the Mail header) to the
public mailing list. Addresses that generate too much returned mail and
entries that are older than two years (this criterion may be changed or
dropped in the future) get removed, in order to keep down the number of
addresses that are no longer valid. To avoid that (one of) your E-mail
address(es) gets eliminated from the mailing list, simply add it again before
the two years are up (for a short time, the address will appear twice in
the list, since old entries are eliminated only once a week).
If you would like to subscribe to the weekly list of abstracts
without appearing on the public mailing list, just omit the line
NAME: Your Name

The abstracts of papers that have been archived on
Thursday(n-1) ... Wednesday(n) will usually be mailed out on Sunday(n)
around 00:00 a.m. central time.

The request "drop mlist".

The one-line request "REQUEST: drop mlist" will remove the E-mail address
(which may include the address of intermediate gateways) of its sender
from the mailing list (if it is on the list). To "drop mlist" from an address
other than that of the corresponding "add mlist", a second line of the form
NUMBER: yy-nn-zz
is required, where "yy-nn-zz" is a number given in the reply to "add mlist".

The request "send papers".

Papers can only be requested by their numbers (listed in the index).

Example 8:

REQUEST: send papers
NUMBER: 91-12

Example 9:

REQUEST: send papers
NUMBER: 91-2, 91-10, 91-12


1) The instructions for "archive paper" include some guidelines and
recommendations for authors on how to avoid (or assist the reader
in solving) certain known incompatibility problems between different
machines, mailers, TeX versions, etc. If you have difficulties converting
a paper file into a readable paper, please notify the author by E-mail and
notify us of the problem and cure (through the "read comment" request of
the system) so we can alert other people.

2) The "papers" with numbers 90-1, 90-2, ... , are utilities (programs,
TeX macros, etc.) that we have found useful in fixing incompatibility
problems. Eventually, these utilities will be kept in a separate database,
and there will be requests like "list utilities" and "send utilities" ...

3) It is also possible to download a paper in compressed form
by adding ONE of the two following lines to the request "send papers".

FILTER: compress
FILTER: gzip

These compression filters can dramatically reduce the size of a text
file (typically by a factor of 1/3), and we recommend that you use one
of these options when downloading long papers, in order to reduce
mail traffic. The compressed files are sent out in uuencoded form.
Thus, it is necessary to uudecode them first before they can be decompressed.
The corresponding programs "uudecode", "uncompress", and "unzip",
are available for almost any type of computer.

The request "send converted".

mp_arc attempts to automatically produce a Postscript or PDF version
of each submitted paper. These "converted" papers can be downloaded
using the request "send converted", which is similar to "send papers".

Example 10:

REQUEST: send converted
NUMBER: 91-12

Example 11:

REQUEST: send converted
NUMBER: 91-2, 91-10, 91-12


1) "Converted" papers are either in PS or PDF format,
compressed with the utility gzip, and base64 encoded for shipping.
The utility gzip used for (un)compressing files
is available (in the public domain) for almost any system.

2) Since mp_arc does not impose any restrictions on the format
of submitted papers, the conversion program may not always succeed.
And even if a .ps.gz or .pdf.gz file is generated,
it is possible that some information contained in the original paper
(e.g. figures) is not included in the converted paper!
In oder to download the source code as submitted by the author(s),
use the request "send papers".

The request "send info".

Example 12: (send information about how to access mp_arc by ftp)

REQUEST: send info
SUBJECT: using ftp

If the line "SUBJECT: ..." is omitted,
a list will be sent of all subjects on which info is available.

The request "read comment".

If you have any suggestions, or want to report a problem,
send a regular E-mail message that includes somewhere the line

REQUEST: read comment

but no other line of the form "REQUEST: ...". Such messages will
eventually be read by a human.

The requests "archive paper" and "remove paper".

The instructions on how to archive or remove a paper can be obtained
by using the request "send instructions", as shown in Example 1.

  ********************** W A R N I N G ************************
  *  In all the above it is important that the line headers   *
  *  like "REQUEST:", "NUMBER:", etc., be written in CAPITAL  *
  *  letters and at the BEGINNING of a line.                  *

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