On the regularized trace of a second order differential operator. - Erdal Gül (Appl. Math. Comput., 2008)

A Second Regularized Trace Formula for a Fourth Order Differential Operator. - Erdal Gül; Aylan Ceyhan (Symmetry, 2021)

A novel auto-pruned ensemble clustering via SOCP. - Duygu Üçüncü; Süreyya Özögür-Akyüz; Erdal Gül (Central Eur. J. Oper. Res., 2024)