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).

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).

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

Can supermassive stars form in protogalaxies due to internal Lyman-Werner feedback?
J. Sullivan, Z. Haiman, M. Kulkarni, E. Visbal, Monthly Notices of the Royal Astronomical Society 542 (2025) 822–838.

Triples as links between binary Black Hole mergers, their electromagnetic counterparts, and galactic Black Holes
S. Naoz, Z. Haiman, E. Quataert, L. Holzknecht, Astrophysical Journal Letters 992 (2025).

A post-starburst pathway for the formation of massive galaxies and black holes at z > 6
M. Onoue, X. Ding, J.D. Silverman, Y. Matsuoka, T. Izumi, M.A. Strauss, C. Ward, C.L. Phillips, K. Ito, I.T. Andika, K. Aoki, J. Arita, S. Baba, R. Bieri, S.E.I. Bosman, A.C. Eilers, S. Fujimoto, M. Habouzit, Z. Haiman, M. Imanishi, K. Inayoshi, K. Iwasawa, K. Jahnke, N. Kashikawa, T. Kawaguchi, K. Kohno, C.H. Lee, J. Li, A. Lupi, J. Lyu, T. Nagao, R. Overzier, J.T. Schindler, M. Schramm, M.T. Scoggins, K. Shimasaku, Y. Toba, B. Trakhtenbrot, M. Trebitsch, T. Treu, H. Umehata, B. Venemans, M. Vestergaard, M. Volonteri, F. Walter, F. Wang, J. Yang, H. Zhang, Nature Astronomy (2025).

What determines the maximum mass of AGN-assisted black hole mergers?
L.Q. Xue, H. Tagawa, Z. Haiman, I. Bartos, Physical Review D 112 (2025).

Testing compact massive black hole binary candidates through multi-epoch spectroscopy
L. Bertassi, E. Sottocorno, F. Rigamonti, D. D’Orazio, M. Eracleous, Z. Haiman, M. Dotti, Astronomy &; Astrophysics 702 (2025).