Ex-NFL Player Turned MIT Math Prof John Urschel Proves Trefethen's Growth Factor Conjecture
felpix_ · x · 2026-10-06
John Urschel — former NFL player, MIT math PhD and professor — posted a new arXiv paper proving that the growth factor of an n×n Gaussian matrix under partial pivoting is rarely much larger than √n, resolving a long-standing conjecture by Nick Trefethen, plus tight estimates for Haar-preconditioned matrices and asymptotic distribution results.
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