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Systolic and Hyper-Systolic Algorithms for the Gravitational N-Body Problem, with an Application to Brownian Motion
E. N. Dorband, Marc Hemsendorf, David Merritt
A systolic algorithm rhythmically computes and passes data through a network of processors. We investigate the performance of systolic algorithms for implementing the gravitational…
Triaxial Black-Hole Nuclei
M. Y. Poon, David Merritt
We demonstrate that the nuclei of galaxies containing supermassive black holes can be triaxial in shape. Schwarzschild's method was first used to construct self-consistent orbital…
Galaxy Cores as Relics of Black Hole Mergers
Milos Milosavljevic, David Merritt, Armin Rest +1
We investigate the hypothesis that the cores of elliptical galaxies and bulges are created from the binding energy liberated by the coalescence of supermassive binary black holes d…
No Supermassive Black Hole in M33?
David Merritt, Laura Ferrarese, Charles L. Joseph
We analyze optical long-slit spectroscopy of the nucleus of M33 obtained from the Space Telescope Imaging Spectrograph aboard the Hubble Space Telescope. Rather than the steep rise…
Relationship of Black Holes to Bulges
David Merritt, Laura Ferrarese
Supermassive black holes appear to be uniquely associated with galactic bulges. The mean ratio of black hole mass to bulge mass was until recently very uncertain, with ground based…
Rotational Brownian Motion of a Massive Binary
David Merritt
The orientation of a massive binary undergoes a random walk due to gravitational encounters with field stars. The rotational diffusion coefficient for a circular-orbit binary is de…