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  • Members: 1238
  • Category: Algorithms
  • Founded: May 19, 1998
  • Language: English
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Messages 4810 - 4839 of 14634   Oldest  |  < Older  |  Newer >  |  Newest
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4810 Justin
justinpinner Offline Send Email
Feb 1, 2002
11:26 am
Hi all. I've been lurking here for a while now and this is the first post I've seen to which I can actually offer a sensible response ! I saw a TV program...
4811 kwitzel Offline Send Email Feb 1, 2002
11:34 am
... IIRC this was and still is an open question in the ATP discipline (automated theorem prover). Have a look at the Pigon Hole problem which was also...
4812 Felix Goldberg
outlander56 Offline Send Email
Feb 1, 2002
11:49 am
... Look up algorithmic complexity theory (founded independently by Kolmogorov and Chaitin). ... Yes. Too trivial to use. But you omit one important point:...
4813 Felix Goldberg
outlander56 Offline Send Email
Feb 1, 2002
12:01 pm
In a sense, any base is optimal, since most of mathematics, deals only with properties of numbers, and not with their representations. In topology, one hardly...
4814 Francisco Antonio Doria
fadoria2001 Offline Send Email
Feb 1, 2002
12:04 pm
Another suggestion, even if much more technical: the hierarchy of T-provably total recursive functions in theories T with a recursive ordinal for its ...
4815 Francisco Antonio Doria
fadoria2001 Offline Send Email
Feb 1, 2002
12:10 pm
It is well known that the Jordan Curve Theorem is ``obvious'' but quite hard to prove (I know the proof in Newman's _The Topology of Plane Sets of Points_.) ...
4816 Francisco Antonio Doria
fadoria2001 Offline Send Email
Feb 1, 2002
12:13 pm
... Hi chico! Thanks for the link .. i shall follow it .. ! I am sure that such a simple idea as prime matrices would not have gone over looked at all & there...
4817 Felix Goldberg
outlander56 Offline Send Email
Feb 1, 2002
12:20 pm
That's actually an interesting idea you've got there. There is a large field of matrix factorizations (spectral decompositions, polar decompositions, Schur...
4818 Francisco Antonio Doria
fadoria2001 Offline Send Email
Feb 1, 2002
2:30 pm
I was thinking of rings, Felix. In that case, another reference might be Fraleigh's book. chico ... __________________________________________________ Do You...
4819 Derik Hawley.
derik_hawley Offline Send Email
Feb 1, 2002
3:07 pm
Hello All, ... Yes. Too trivial to use. But there is alot of merit in determining the independence of theoreoms form axioms. It isn't hardness. For example if...
4820 Greg Kavalec
gkavalec Offline Send Email
Feb 1, 2002
3:10 pm
It's called synesthesia. web.mit.edu/synesthesia/www/synesthesia.html G. Waleed Kavalec ... To truly understand recursion one must first understand recursion. ...
4821 martin cohen
mjc_w Offline Send Email
Feb 1, 2002
6:23 pm
A possible starting point - the determinant of a product is the product of the determinants. Thus, the "units" of integegral matrices could be those with...
4822 Marx Dániel
dmarx@... Send Email
Feb 1, 2002
6:30 pm
... It quite practical that the circle has 360 degrees: it is easy to divide it into 2,3,4,6,8,10 equal parts. The right angle is 90 degrees, 365/4=91.25 would...
4823 Randy Algo
randomhole Offline Send Email
Feb 1, 2002
9:30 pm
Hi Justin! Nice to knwo about a TV show in which I might have aslo appeared;-) ...though I do not always taste the colors it is just sometimes that a clolr...
4824 Felix Goldberg
outlander56 Offline Send Email
Feb 1, 2002
9:53 pm
Yes, there is a sixth edition now. Felix....
4825 Felix Goldberg
outlander56 Offline Send Email
Feb 1, 2002
10:23 pm
"Derik Hawley." wrote: [snip] ... Could you please give a reference to that paper/summaries? Sounds exciting to me. TIA, Felix....
4826 Felix Goldberg
outlander56 Offline Send Email
Feb 1, 2002
10:23 pm
Quite a lot is actually known about such matrices - they are called unitary or orthogonal, depending whether they have elements in R or C. Regards, Felix....
4827 Felix Goldberg
outlander56 Offline Send Email
Feb 1, 2002
10:23 pm
"Derik Hawley." wrote: [snip] ... But what about the well-ordering theorem? I have never heard of a constructive proof of it. After all, if there were one,...
4828 Randy Algo
randomhole Offline Send Email
Feb 2, 2002
1:56 am
Hi Klaus! Thank you for your very informative reply! I shall look up the links you mention! For it is clear that till i read up that bit i could not discuss...
4829 Randy Algo
randomhole Offline Send Email
Feb 2, 2002
2:34 am
Hi Felix! Thanks a lot for your mail & for all the cool references that you have provided! It realy seems I have a quite a lot of reading to do before i...
4830 Randy Algo
randomhole Offline Send Email
Feb 2, 2002
2:46 am
... that reminds me of Russells proof of 1+1=2.. i personally can't think of more 'obvious' things but the mere fact that it required a page long proof maybe ...
4831 Randy Algo
randomhole Offline Send Email
Feb 2, 2002
4:31 am
Hi Felix! ... Thanx very much for the encouragement & cool links again! :-) That certainly motivates me to look deeper into them! I was wondering if by...
4832 Randy Algo
randomhole Offline Send Email
Feb 2, 2002
4:50 am
Hi martin! nice crack at the nut!:-) opens up cool ways to view the prob! However methinks there is more to it than +/-1 determinants..coz if u may have prime...
4833 Randy Algo
randomhole Offline Send Email
Feb 2, 2002
5:00 am
Hi Marx! ... You are right all the way( this is a practical choice) .. guess the circle department was under the mathematicians & not the famers;-) Well look...
4834 vznuri@...
vznuri Offline Send Email
Feb 2, 2002
5:20 am
RA thanks for the emails. however it would be better to deal with one idea at a time & then post them sequentially when we have lulls (that part definitely was...
4835 vznuri@...
vznuri Offline Send Email
Feb 2, 2002
6:00 am
wow, this is very interesting. massive US supercomputer combining resources of 3 labs (livermore, sandia, los alamos), code named "purple". linux under...
4836 Randy Algo
randomhole Offline Send Email
Feb 2, 2002
6:23 am
Hi VZ! First of all let me thank you for providing us all with this medium for exchanging ideas with some of the most brilliant people around!! I am sure that...
4837 vznuri@...
vznuri Offline Send Email
Feb 2, 2002
6:51 am
graduate student in CS eh RA??? well you fooled me by all your misspellings & ramblings, I presumed awhile ago you were undergraduate for sure & was ignoring...
4838 Felix Goldberg
outlander56 Offline Send Email
Feb 2, 2002
10:36 am
... The pleasure is mine. ... Sounds like an interesting idea to me, albeit subject to the same issue of different proofs/different formalizations of proofs. ...
4839 Felix Goldberg
outlander56 Offline Send Email
Feb 2, 2002
10:39 am
... Well, you can write a normal matrix in spectral decomposed form (as a sum of matrices) or in polar decomposed form (as a positive-defined matrix multiplied...
Messages 4810 - 4839 of 14634   Oldest  |  < Older  |  Newer >  |  Newest
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