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Re:OpenAI Withdraws 3 Math Papers by AnotherGoodName on Thursday October 08, 2026 @11:11AM (#50006790)
Yeah the one i glanced was the ‘matrix multiplication is nlogn^0.9999999 for many more 9s’ therefore less than nlogn

The proof explicitly hand-waves some complexity by assuming lookup tables to avoid some calculations which isn’t actually possible since it’s dealing with such large numbers and it only works on incredibly large numbers.

The complexity being so close to nlogn and the handwaving by assuming lookup tables in parts should be a really really obvious smell. At the very least worthy of holding back from the broader announcement.

It us proven in lean as-is with these assumptions and it’s not one of the ones retracted but those assumptions are doing some heavy lifting. I think it’s worth adding back in those ‘by using a lookup tables for x’ complexities and seeing if we really are below nlogn on that one.

Re:OpenAI Withdraws 3 Math Papers by kevinwang on Thursday October 08, 2026 @12:57PM (#50008386)
(integer multiplication, not matrix multiplication, right?)
Re:OpenAI Withdraws 3 Math Papers by topaz0 on Thursday October 08, 2026 @03:05PM (#50010483)
I thought the nlogn^.9999 was for fft
Re:OpenAI Withdraws 3 Math Papers by Ohentis on Thursday October 08, 2026 @08:12PM (#50014240)
It was for both fft and integer multiplication (different bounds but both slightly under nlogn)
Re:OpenAI Withdraws 3 Math Papers by AnotherGoodName on Thursday October 08, 2026 @02:00PM (#50009463)
It was both actually.
Re:OpenAI Withdraws 3 Math Papers by fph on Thursday October 08, 2026 @02:56PM (#50010340)
No. They have a new upper bound for matrix multiplication, but it's O(n^2.25). You can't do less than n^2 for obvious reasons (size of the input and output).