On the Growth Factor of Random Matrices · HackerPapers discussions

On the Growth Factor of Random Matrices — mentioned by 1-more

Tue, 03 Nov 2026 18:46:44 GMT

John Urschel cited the CTE risk when he decided to quit the NFL and pursue his math PhD. He just published https://arxiv.org/abs/2610.06785 which seems to be a significant result from where I'm standing, but I can't really tell what's what with math at that level. https://en.wikipedia.org/wiki/John_Urschel > In August 2015, an incident gave him a taste of what a prolonged NFL career could mean. Urschel suffered a helmet-to-helmet collision with Ravens safety Terrence Brooks during an open-field drill in practice. The impact knocked the OL unconscious. > While recovering, Urschel realized that…

Paper and discussion history. A mention is not an endorsement.

On the Growth Factor of Random Matrices — mentioned by aanet

Thu, 08 Oct 2026 21:56:12 GMT

> After retiring from the Baltimore Ravens, John Urschel said he looked forward to being known as "that mathematician who used to play football." > A paper called “On the Growth Factor of Random Matrices” would not normally attract headlines. But when it was posted on social media this week by another researcher in the field, online observers took note for an unusual reason: The author, John Urschel, had a previous life as a professional football player for the Baltimore Ravens. > Urschel, 35, is now a tenure-track professor at the Massachusetts Institute of Technology. He quit football in…

Paper and discussion history. A mention is not an endorsement.

On the Growth Factor of Random Matrices — HN submission

Wed, 07 Oct 2026 16:59:44 GMT

John Urschel, player of NFL, proved growth factor for Gaussian elimination

3 points; 0 discussion replies on HN. Paper and source history. A submission is not an endorsement.