Showing posts with label technical. Show all posts
Showing posts with label technical. Show all posts

22 March 2008

I told you so...

Notice: It turns out to be a little difficult to maintain 4 blogs. So, I am merging my tech-stuff with this blog - and will add a new category.

The two small problems, unrelated to my main work, which I worked on are (i) The 3n+1 problem and (2) The maximum matching problem.

I could successfully re-phrase the 3n+1 problem into different words, but no proof what so ever was found. Anyway I wasn't very hopeful either. I am happy to have done my fair share of breaking my head.

Regarding the matching problem, the solution is not about correctness, it is about speed. What I initially had in mind turned out to be wrong; I improved on it and have a solid solution, but all depends on how fast it is. That analysis is still remaining.

There is something which I have been wanting for 2-3 years. Fermat's Last Theorem (FLT) is something which has contributed a lot to the development of mathematics - over 300 years. There is no wonder that Andrew Wiles cried when he found the proof. What I want is to just learn his proof - yes, I know that it could turn out to be really hard.

Wiles alone has worked on it for about 7 years. And his proof is built on lot of other theories and what he actually proves is TS-conjecture, which is the equivalent of FLT. So, learning it could be very hard indeed. Still, I think I shall try a little bit. Let me add that too to my TODO list.

Signing off, Sands.

PS: I couldn't help smiling when Shimura said "I told you so", when he heard about the proof for his conjecture. :)

8 March 2007

The beauty of "blah blah".

I was looking for some material for Linear Algebra and landed up at MIT Open Course Ware. I was looking into a couple of courses available.

If you want to see the beauty of teaching, just watch this (220K) or this (56K).

I specifically chose this lecture since I still remember how was the same topic taken by Hema Murthy @ IITM. She is a very good teacher and I admire her very much, but this teacher simply beats her!

This is how classes are to be taken.

Signing off, Sands.

PS: Atleast IIT-ians would know what the title means! ;)

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