[HN Gopher] Avi Wigderson and Laszlo Lovasz Win the Abel Prize
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Avi Wigderson and Laszlo Lovasz Win the Abel Prize
Author : digital55
Score : 45 points
Date : 2021-03-17 11:09 UTC (11 hours ago)
(HTM) web link (www.quantamagazine.org)
(TXT) w3m dump (www.quantamagazine.org)
| singhrac wrote:
| Lovasz is most well known to me for the Lovasz local lemma. Very
| cool to find out that this year's Godel prize was given for an
| algorithmic construction for that.
| hanche wrote:
| As far as I know, this year's Godel prize is not yet awarded.
| The current story is about the Abel prize.
| singhrac wrote:
| Ah sorry, I know that. I meant the 2020 Godel prize awarded
| to Moser and Tardos. Just noting the connection.
| blackbear_ wrote:
| > But in two papers published in the 1990s, Wigderson and his
| collaborators proved that under certain assumptions, it's always
| possible to convert a fast random algorithm into a fast
| deterministic algorithm. The result established that the
| complexity class known as "BPP" was exactly equal to the
| complexity class P.
|
| What about those assumptions, though? Was progress made on those?
| Otherwise it is still unknown whether BPP = P or not. For the
| interested, it seems that the two publications are [1] and [2].
|
| [1] https://doi.org/10.1007%2Fbf01275486
|
| [2] https://doi.org/10.1145%2F258533.258590
| karmakaze wrote:
| Really interesting. I've often wondered this, but always thought
| that it would be too good to be true in most cases.
|
| > But in two papers published in the 1990s, Wigderson and his
| collaborators proved that under certain assumptions, it's always
| possible to convert a fast random algorithm into a fast
| deterministic algorithm. The result established that the
| complexity class known as "BPP" was exactly equal to the
| complexity class P. It tied decades of work on randomized
| algorithms neatly into the main body of complexity theory and
| changed the way computer scientists looked at random algorithms.
|
| "I think that today almost anybody you asked would tell you
| randomness is weak rather than that randomness is powerful,
| because, under assumptions we strongly believe, randomness can be
| eliminated," said Wigderson.
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