Abstract The Laser Interferometer Space Antenna (LISA) will be a transformative experiment
for gravitational wave astronomy, and, as such, it will offer unique opportunities to address …

We present the first systematic study of strong binary–single and binary–binary black hole
(BH) interactions with the inclusion of general relativity. By including general relativistic …

The gravitational-wave astronomical revolution began in 2015 with LIGO's observation of the
coalescence of two stellar-mass black holes. Over the coming decades, ground-based …

Nuclear star clusters surrounding supermassive black holes (SMBHs) in galactic nuclei
contain large numbers of stars, black holes (BHs), and neutron stars (NSs), a fraction of …

Gravitational waves (GWs) were observed for the first time in 2015, one century after
Einstein predicted their existence. There is now growing interest to extend the detection …

We present a sample of 40 active galactic nucleus (AGN) in dwarf galaxies at redshifts z≲
2.4. The galaxies are drawn from the Chandra COSMOS-Legacy survey as having stellar …

We assess the contribution of dynamical hardening by direct three-body scattering
interactions to the rate of stellar-mass black hole binary (BHB) mergers in galactic nuclei. We …

We present a reduced-order surrogate model of gravitational waveforms from nonspinning
binary black hole systems with comparable to large mass-ratio configurations. This …

Stellar triples with massive stellar components are common and can lead to sequential
binary black hole mergers. Here we outline the evolution toward these sequential mergers …

We discuss a new scenario for the formation of intermediate mass black holes (IMBHs) in
dense star clusters. In this scenario, IMBHs are formed as a result of dynamical interactions …