Report summary

For University of California, Irvine Department of Surgery in 2024-2026, the graph shows 15 visible PIs and 16 internal PI collaborations. The dominant subject mix is Medicine as the leading field (44% of slots across 11 PIs; 11 labels), Emergency Medicine as the leading subfield (10% of slots across 4 PIs; 4 labels), and Trauma and Emergency Care Studies as the leading topic (4% of slots across 2 PIs; 2 labels). The network looks reasonably well-rounded, with visible collaboration groups but not so much concentration that one field explains the whole department. The top weighted PIs are Jeffry Nahmias (17.8 weighted works; Trauma and Emergency Care Studies, Emergency and Acute Care Studies). The most visible ties are Jeffry Nahmias and Areg Grigorian (43 shared works, weight 20.9). The standout breakdown groups are group 1 with 9 PIs, 16 internal connections, weight 30.5, around Emergency Medicine, Surgery, Emergency Medical Services, led by Jeffry Nahmias, Areg Grigorian, Oliver S. Eng.