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Old 2014-05-20, 15:22   #2
xilman's Avatar
May 2003
Down not across

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Originally Posted by mickfrancis View Post
I was wondering whether anyone might know why the distribution, over the sieving interval, of relations found by SIQS seems to have 2 narrow spikes round about 0.7M either side of 0 (though not quite symmetrical, presumably due to asymmetrical parabolas?) See attachment. The peaks are around 3 times the general level. This is true of full relations, 1-partials and 2-partials.

Is this a well-known phenomena? Could it be used in any way to tune the QS algorithms?


Hint: how many real roots does a quadratic have?

The term "chicken feet" is also relevant, though it may not appear so at first!

Last fiddled with by xilman on 2014-05-20 at 15:22
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