Yifan Sun

collaborators

2 papers

math.CO2026

The high order spectral extrema of $2 K_{r}$ -free graphs

Changjiang Bu, Yifan Sun, Haotian Zeng

In this paper, we determine the graphs with maximum value of the sum number from $k$ -clique spectral radius to $(2 r - 1)$ -clique spectral radius among all $2 K_{r}$ -free graphs on $n$ …

math.OC2025

Advancing Multi-Secant Quasi-Newton Methods for General Convex Functions

Mokhwa Lee, Yifan Sun

Quasi-Newton (QN) methods provide an efficient alternative to second-order methods for minimizing smooth unconstrained problems. While QN methods generally compose a Hessian estima…

The high order spectral extrema of 2Kr​-free graphs

Advancing Multi-Secant Quasi-Newton Methods for General Convex Functions

The high order spectral extrema of $2 K_{r}$ -free graphs