The convergence of heavy and light seeds to overmassive black holes at cosmic dawn
H. Hu, K. Inayoshi, Z. Haiman, L.C. Ho, K. Ohsuga, Astrophysical Journal Letters 983 (2025).

Can quasars, triggered by mergers, account for NANOGrav’s stochastic gravitational wave background?
Á. Kis-Tóth, Z. Haiman, Z. Frei, Classical and Quantum Gravity 42 (2025).

Suppressed accretion onto massive black hole binaries surrounded by thin disks
C. Tiede, J. Zrake, A. Macfadyen, Z. Haiman, Astrophysical Journal 984 (2025).