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The AKS "PRIMES in P" Algorithm Resource
The AKS "PRIMES in P" Algorithm Resource
(Apologies to those incorrectly blocked, by the way.)
Things relevant to the AKS algorithm - little original content - mainly links.
|
Analyses |
Improvements |
Issues |
Complexity |
Soundbytes |
Intros |
Implementations |
Presentations |
Primes |
Miscellany |
Recent changes:
2003/05/12 - Capitalised PRIMES where appropriate. It not shouting, it's correct.
2003/05/07 - (Woh! Where's time gone?) One analysis, one improvement, two presentations, and 2 new
implemetations added.
2003/03/19 - Removed these pages from half of the internet.
AKS Algorithm Descriptions
Improvements on the Original AKS algorithm
- Note - Agrawal, Kayal,and Saxena incorporated some of these improvements
in their 'v3' revised paper (see above).
- Dan Bernstein's analysis
(includes Lenstra's, Poonen's and Voloch's improvements) [l.u. 2003/01/21]
- Felipe Voloch's improvement
- Pedro Berrizbeitia's "Sharpening
Primes is in P"
- Dan Bernstein's
``Proving primality in essentially quartic expected time'', which
generalises Berrizbeitia's improvements. (Note, this is a randomized
algorithm, unlike original AKS.) [new 2003/01/29]
- Qi Cheng's
"Primality Proving via One Round in ECPP and One Iteration in AKS" hybrid building on Berrizbeitia's
work for randomised O~(d^4) time (certificate finding, O(d^4) to verify).
Issues
Content:
- In the original AKS paper, the authors cite Fouvry as refering to
|{p|p is prime, p<=x and GPF(p-1)>x^(2/3)}|
Whereas others (Pomerance)
cite it as refering to |{p|p is prime, p<=x and GPF(p-1)>p^(2/3)}|
for GPF=greatest prime factor. Refering to
a copy of Fouvry,
didn't make it clear which was correct.
NB: This is changed in the 'v3' revision of the
paper, AKS and Pomerance are in accord. [l.u. 2003/03/04]
-
Conjecture 4 not true as stated. Conjecture 4 is not required for the validity of the algorithm as a whole, it merely
offers a dramatic speed increase, a much smaller Big-Oh. Easily fixable, through a simple restatement.
Cosmetic:
- The numbering of the conjectures has caused some confusion. Conjecture 4 is in section 6.
- Oh, it's also now (in the 'v3' paper) become Conjecture 5 :-| [new 2003/03/04]
Classifications of Algorithm Complexities
Soundbytes
I.e. renouned mathematicians who have implicitly or explicitly indicated that they agree with the validity of the
proof.
Introductory level write-ups
(Popular - accessible to all)
Implementations
Notes:
"HL" and "DB" refers to the improvements made by Henrik Lenstra and Professor Bernstein
in papers linked to above.
+(opt) means that there's a choice of whether to use the following conjectures:
"Germain Conjecture" means assuming the truth of the conjecture stated in
section 5 of the AKS paper, and explained further in AKS's [HL22] reference.
Similarly "Conjecture 4" means assuming the truth of the conjecture stated in
section 6 of the AKS paper, and explained further in AKS's [BP01]
reference. See the AKS paper linked to above.
Presentations
Past:
Future:
Prime Proving in General
Miscellaneous other AKS information sources
Alas, no direct URLs for the payloads here, but hopefully enough information to find paper versions.
- Actaully, I have URLs for everything currently!
Thanks, for the pointers and contributions, guys:
*_Peter Luschny_* (an absolute star! Peter - drop me a mail, wanadoo just bounced my most recent "thank you"),
Anton S., Paul L., Yves G., Medhi T., Alan S., Alexander R., Scott Aaronson, Professor Bernstein, Aldo, Nathan
R. and of course to Agrawal, Kayal, and Saxena themselves. Oh, and apologies to Noam for jokingly besmirching
his good name with the anagram!
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