2 papers
math-ph2026
The spectral edge of the quartic SYK model
Yukun He
We consider the Sachdev--Ye--Kitaev model of Majorana fermions with random -body interactions. For , we show that as through even integers, the largest ei…
math.PR2025
Edge universality of sparse ErdÅs-Rényi digraphs
Yukun He
Let be the adjacency matrix of the ErdÅs-Rényi directed graph . We denote the eigenvalues of by , and…