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Archive for the ‘mathematics’ Category

Cryptographers have a sense of humour.
Or maybe they’re just nuts.
Read the following excerpts from peer reviewed papers and judge for yourself.
Inspired by Carter and Wegman, we use simple primitives which we call NUT (for “n-Universal Transformation”) since they are so cheap to implement. We propose construction methods for block ciphers that we call COCONUT (for [...]

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mmddyy

Happy “mm * dd = yy” day!
Oh, and a belated “mm ^ dd = yy” day, too!
Edit: Thanks GGY for the poem! Happened to learn LaTeX today, so here’s the equation for the poem:

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proof on the screen

I had no idea that David Auburn’s play, “Proof”, which I wrote about a while back, was made into a movie in 2005.
The movie script apparently follows the play quite closely. Which is good, because this means some of the best lines in the play are available on IMDB.
Gotta find out where I [...]

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to do

The bird has taken to the air!!!
So many things I wanna do! Better list them out (O.O Did i just say “list them out”?? Ah! I mean, “list them down”… better start revising my phrasal verbs):
Learn

C++
LaTex
Cryptography
Number Theory
Economics
Mathematics of Finance
Tai Chi

Program

Cryptogram solver
Sudoku solver, implementing my method
Sudoku solver, implementing Knuth’s Algorithm X
Generalised sudoku solver (any M x [...]

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with what?

The lesson here is that it is insufficient to protect ourselves with law; we need to protect ourselves with mathematics.
-Bruce Schneier, Applied Cryptography
:D :D:D:D:D

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this is work?

THIS IS AWESOME!!!!
I’m at “work” now!
At my PRIVATE DESK in my PRIVATE CUBICLE, I have an open book on Cryptography from the library downstairs.
My cubicle happens to be just next to the PANTRY WITH FREE HOT DRINKS, the printer/ photocopier room and the toilet!
Oh, and I’ve got INTERNET RADIO, FACEBOOK, MSN MESSENGER and THIS BLOG [...]

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sad story

Good Math, Bad Math had an entry recently, titled, “Teaching Multiplication: Is it repeated addition?”.
There ensued a lively discussion on math fundamentals and pedagogy, where the usual points were brought up.
But what really caught my attention was an anonymous, autobiographical account of a PhD’s struggle with mathematics.
Reproduced here:

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A wonderful, powerful exposition on what mathematics really is, and a scathing, unfortunately accurate criticism of the way its being taught today (Linked from the Mathematical Association of America):
A Mathematician’s Lament by Paul Lockhart.
Just to give you a taste of the essay:

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{proof}

Delightful play by David Auburn, ranking 2nd to Tom Stoppard’s “Arcadia” among the mathematical plays I’ve read. *
A commentary, along with reviews, of the play can be found here.
One of the characters says:
If I wanted to work a problem all day long, I did it.
If I wanted to look for information – secrets, complex and [...]

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Endpaper from the 2nd issue of the Harvard College Mathematical Review.

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