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Caros colegas

As informacoes sobre o Profmat 97 ja' estao disponiveis
na Internet, para ja' apenas com uma pagina em construcao,
no endereco

http://www.mat.uc.pt/~profmat/


Sugestoes sao bem vindas.


A Comissao Organizadora

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Em anexo envio informacoes sobre a
"Mathematics Awareness Week 1997" deste ano.
Gostaria de ouvir comentarios sobre
a exequibilidade de tambem se lancar em Portugal
uma iniciativa semelhante, eventualmente ja' este ano.
Como poderao ver pela informacao junta a
"Mathematics Awareness Week" e' sobretudo um tema que serve de
pano de fundo a actividades de Escolas (Secundarias
ou Superiores) e Instituicoes, organizados livremente por estas.
Um "Semna Nacional da Matematica" (ou designacao equivalente)
poderia funcionar em Portugal essencialmente nos mesmos
moldes, com o objectivo de chamar a atencao para
a importancia da matematica na vida moderna,
dando exemplos de como a Matematica intervem nos problemas
de hoje. Nao deveria ser dificil traduzir o cartaz
e os textos informativos produzidos
nos Estados Unidos,  aproveitando a qualidade da
iniciativa para se tentar fazer algo em Portugal.
La' a iniciativa e' do JPBM-Joint Policy Board on
Mathematics que reune varias associacoes e sociedades
ligadas 'a Matematica. Nao havendo em Portugal
um organismo desse tipo acho que o Ministerio
da Educacao ou o Ministerio da Ciencia poderiam
tomar essa iniciativa.
Outras ideias?

Jaime


--

MEMORANDUM                                             January, 1997

TO:    Mathematical Sciences Community

FROM:  Richard Herman, JPBM Chair
       Mike Harris/Kathleen Holmay, Public Information Office
       Lisa Thompson, Assistant for Governmental Affairs

RE:    MATHEMATICS AWARENESS WEEK, April 20-26, 1997


We are once again pleased to communicate that Mathematics Awareness
Week 1997, from April 20-26, provides you with an opportunity to
organize or sponsor local events celebrating the importance of
mathematics.

The 1997 theme is Mathematics and the Internet.  Mathematics is the
language of Internet operation, from the binary numbers that
describe text and images to the complex data structures of search
engines for the World Wide Web.  Ideas from fields like number
theory have enabled such key Internet technologies as data
encryption for secure financial transactions and data compression
for audio and video.  At the same time, the Internet has given
birth to world-wide collaborations among mathematics teachers and
researchers, collaborations that are advancing both kindergarten
through undergraduate education and our understanding of some of
the most difficult problems in pure and applied mathematics.

The 1997 Mathematics Awareness Week theme poster uses
visualizations developed by Bell Laboratories that depict world-
wide Internet traffic.  The color and thickness of arcs between
countries show inter-country traffic, with higher and redder arcs
indicating larger traffic flows.  Much additional information, as
well as the poster itself, is on the MAW Web site.

If April 20-26 doesn't work for you because of exams, spring break,
or other commitments, you can schedule MAW activities any week in
March, April, or May.  April 20-26 is selected because it is also
National Science and Technology Week, sponsored by the National
Science Foundation.  And, the National Council of Teachers of
Mathematics designates all of April as Math Month.

Here are some suggestions for Mathematics Awareness Week
activities:

       * Design your own World Wide Web MAW page and link it to the
              national MAW page;

       * Encourage your student chapter to organize campus events;

       * Explore joint events with colleagues in disciplines such as
              business administration, operations research, computer
              science, physics, engineering, and statistics;

       * Review the MAA & SIAM  Visiting Lecturer Programs for
              speakers on MAW-related topics, a speakers roster is in
              development at the AMS (see Web sites);

       * Request appropriate state or local officials to issue a
              proclamation (samples from previous years are on the
              MAW Web site) declaring April 20-26 to be Mathematics
              Awareness Week in your municipality or state;

       * Check the MAW Web site - see what many others did to observe
              MAW 1996.

Mathematics Awareness Week is an excellent vehicle for communicating
with your administration and with new audiences about mathematics,
working with your public information office to publicize your
activities, and inviting local legislators or elected officials to
speak.  Public officials appreciate opportunities to visit with
faculty and to learn more about efforts to encourage students to
enter and excel in mathematics-based careers.

These materials are available to help you participate in
Mathematics Awareness Week:

* SAMPLE NEWS RELEASE...tailor the news release so that it includes
details on your activities...mail it to your local print and
broadcast media outlets, either through your institution's public
information office or by using a listing of media outlets (from the
telephone book or a media listing book in the reference section of
your library).

* MATHEMATICS AND THE INTERNET...a short version of this year's
theme essay; which can be included with materials you prepare for
your MAW activities...distribute it to colleagues along with a MAW
poster...a longer version, complete with WWW links to many more
resources is on the MAW Web site.

* POSTER, ORDER FORM, AND DESCRIPTION...distribute posters
as MAW mementos...frame a poster for your dean's, governor's, or
legislators' offices...hold an event during which you present the
framed poster as a gift.

Be sure and visit the Mathematics Awareness Week World Wide Web
site -- http://forum.swarthmore.edu/maw/.  Download the information
in this mailing AND MUCH MORE.  Get help in constructing your own
MAW Web page.  Make links to other sites.  You can also join the
Internet mailing list -- MAW-list -- to discuss your MAW ideas and
events.  To subscribe send mail to "majordomo@maa.org" with the
following command in the body of your email message:  subscribe
maw-list <your email address>.  Please post copies of reports and
announcements of your MAW 1997 activities on MAW-list.  We will
summarize them for use in future years.

Please help us share Mathematics Awareness Week publicity in your
community by sending us newspaper articles on mathematics topics
appearing in your institution's publications, local papers, and
community newspapers during April.  By April 1 a sampled op-ed
piece will be on MAW-list and the MAW Web site.  We will also post
suggestions on its use.

The JPBM and its member societies appreciate the involvement of the
American mathematics community in MAW.  The JPBM also acknowledges
The Institute for Operations Research and Management Sciences
(INFORMS) for its financial support of Mathematics Awareness Week.

If you have any questions or would like further suggestions, please
do not hesitate to contact us by email at <mawjpbm@deans.umd.edu>.
Thank you in advance for your interest and efforts to convey
Mathematics and the Internet to new and larger audiences.

                                           ###

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Mais informa=E7=F5es sobre a "Mathematics Awareness Week 1997".



-----------


>From: "Mike Harris" <mharris@deans.umd.edu>
>Date: Wed, 15 Jan 1997 07:26:00 -0500
>Subject: MAW 1997 Poster Description
>
>               MATHEMATICS AND THE INTERNET POSTER*
>                 MATHEMATICS AWARENESS WEEK 1997
>
>      *the poster, order form, and this description (with WWW links)
>        may be viewed and downloaded at the MAW web site -
>        http://forum.swarthmore.edu/maw/
>
>The 1997 Mathematics Awareness Week poster depicts world-wide
>Internet traffic over a two-hour period, with the color and
>thickness of the lines encoding the traffic.  The image shows one
>frame from an animation of Internet traffic between fifty countries
>over the NFSNET/ANSnet backbone for one two-hour period.
>
>The dataset contains the packet counts, by two-hour period, between
>each pair of countries.  Each country is represented by a box-
>shaped glyph (graphical object) that is scaled and colored to
>encode the total packet count for all links emanating from the
>country.  The glyphs are positioned at the locations of the
>countries' capitals and extend perpendicular to the surface of the
>globe.  The color-coded arcs between the countries show the inter-
>country traffic, with the higher and redder arcs indicating the
>larger traffic flows.  The globe is illuminated by a light which is
>positioned to indicate, via the angle of the sun, the time for the
>frame of the time-series data that is displayed.
>
>The image was produced at Bell Laboratories, whose interest and
>motivation for visualizing graphs comes from analyzing many of
>their associated networks.  In this usage, a network is a graph
>where the associated statistics represent traffic.  The traffic may
>represent a time-varying statistic, as with the call flow in a
>telecommunication system throughout the day;  a constant, as with
>network capacity;  or a stochastic statistic, as with the number of
>IP packets sent between routers on a backbone data network.
>
>The image was generated with "SeeNet3D," a Bell Labs network
>visualization environment for the exploration of large, time-
>varying communication networks.  The research focus is on how to
>overcome some fundamental problems in understanding large and
>complex networks using 3D graphics technologies, while
>simultaneously maintaining the benefits of the useful and well-
>established 2D node and link maps.
>
>The SeeNet3D system is currently a 5,000 line C++ program built on
>top of the Vz framework.  Vz is a visualization platform embodied
>in an object-oriented, cross-platform (MS Windows, OpenGL, and X11)
>C++ library.
>
>                               ###
>
>-----------------
>The above description was taken from two Bell Laboratories papers:
>"3D Displays of Internet Traffic" by Kenneth C. Cox and Stephen G.
>Eick, and "3D Geographic Network Displays" by Kenneth C. Cox,
>Stephen G. Eick, and Taosong He.
>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>Mike Harris, JPBM Public Information Office | tel: 301-942-9595
>  JPBM - Joint Policy Board for Mathematics | fax: 301-942-2777
>                            * * *
>        Mathematics Awareness Week - April 20-26, 1997
>             Theme:  Mathematics and the Internet
>          WWW URL-> http://forum.swarthmore.edu/maw/
>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>

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Caros colegas

O primeiro Boletim Informativo sobre o Profmat 97 ja' esta'
disponivel na Internet no endereco

http://www.mat.uc.pt/~profmat/


Ai' podera' desde ja' ser feita a Pre'-inscricao
('on-line', sem necessidade de papel)


Sugestoes continuam a ser bem vindas.


A Comissao Organizadora

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