There was a Gentleman from Stevens Institute of Technology, in the last
meetup, that wanted to prepare a talk on Neural Networks (NN). If you
would like to give a talk on NN, you are welcome to do so on the
Please let me know, David
> Hi Guys,
> Well, I can start the lecture by giving an introduction to groups as
> well as their extensions, rings and fields. We can then dwell on this
> topic further and talk about applications in the meetup after this
> one. Unless, any one of you wants to prepare a talk and demonstrate
> some applications on this meetup.
> Let me know, David
>> On Thu, Jul 16, 2009 at 11:22 PM, Sal <[address removed]
>> <mailto:[address removed]>> wrote:
>> Well, there are many practical applications of group theory.
>> Really? Then why is it whenever someone mentions the "practical uses
>> of group theory" they *always* mention the same four topics:
>> crystallography, the Standard Model of physics, error correction and
>> cryptography? Based on probability alone I would expect to hear more
>> than four topics mentioned by X mathematicians where X > 4.
>> Channel coding theory and quantum error-correcting codes are two
>> branches of science that are based on group theory.
>> See! :-)
>> In order to design an error correcting code that corrects
>> information transmitted over public noise channel, one needs to
>> find an Abelian group with certain properities.
>> And another thing, while technically this is a 'practical'
>> application and a very important one to boot, the last time I had to
>> generate quantum error-correcting codes was, hmmm, let me see...oh
>> that's right, NEVER!
>> <tangent>What's the phrase I'm looking for? "Practical examples" or
>> "practical applications" to mathematicians apparently means *any*
>> application such as "quantum error-correcting codes". To the layman,
>> that's not "practical". I'm not looking for an example of late
>> Dirichlet allocation that I can use in the woodshop but I can look
>> around me and see practical applications of Faraday's Laws (why do
>> some wall outlets spark when you pull the plug?) , Pasteur's Germ
>> Theory (the importance of clean water), Computer Science (the overly
>> complicated Turing Machine that I'm typing on) and even calculus
>> (compound interest). But of group theory? </tangent>
>> And before that guy in the last row takes my statements too far, let
>> me state for the record, no I don't think every statememnt in higher
>> mathematics needs a practical, everyday application that you can
>> point out to a four year old.
>> Faber Fedor
>> Linux New Jersey
>> faberfedor.blogspot.com <http://faberfedor...;
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