Search Results - "Adrian, S"

Binary Black Hole Mergers from Field Triples: Properties, Rates, and the Impact of Stellar Evolution by Antonini, Fabio, Toonen, Silvia, Hamers, Adrian S.

“…We consider the formation of binary black hole (BH) mergers through the evolution of field massive triple stars. In this scenario, favorable conditions for the…”
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Error Bounds, Quadratic Growth, and Linear Convergence of Proximal Methods by Drusvyatskiy, Dmitriy, Lewis, Adrian S.

“…The proximal gradient algorithm for minimizing the sum of a smooth and nonsmooth convex function often converges linearly even without strong convexity. One…”
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Secular dynamics of hierarchical multiple systems composed of nested binaries, with an arbitrary number of bodies and arbitrary hierarchical structure – II. External perturbations: flybys and supernovae by Hamers, Adrian S

“…Abstract We extend the formalism of a previous paper to include the effects of flybys and instantaneous perturbations such as supernovae on the long-term…”
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Properties of von Zeipel–Lidov–Kozai oscillations in triple systems at the quadrupole order: relaxing the test particle approximation by Hamers, Adrian S

“…ABSTRACT Von Zeipel–Lidov–Kozai (ZLK) oscillations in hierarchical triple systems have important astrophysical implications such as triggering strong…”
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Was GW190412 Born from a Hierarchical 3 + 1 Quadruple Configuration? by Hamers, Adrian S., Safarzadeh, Mohammadtaher

“…The gravitational wave source GW190412 is a binary black hole (BBH) merger with three unique properties: (i) its mass ratio is about 0.28, the lowest found so…”
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On the rates of Type Ia supernovae originating from white dwarf collisions in quadruple star systems by Hamers, Adrian S

“…ABSTRACT We consider the evolution of stellar hierarchical quadruple systems in the 2+2 (two binaries orbiting each other’s barycentre) and 3+1 (triple orbited…”
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The Impact of Vector Resonant Relaxation on the Evolution of Binaries near a Massive Black Hole: Implications for Gravitational-wave Sources by Hamers, Adrian S., Bar-Or, Ben, Petrovich, Cristobal, Antonini, Fabio

“…Binaries within the sphere of influence of a massive black hole (MBH) in galactic nuclei are susceptible to the Lidov-Kozai (LK) mechanism, which can drive…”
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Analytic computation of the secular effects of encounters on a binary: features arising from second-order perturbation theory by Hamers, Adrian S, Samsing, Johan

“…Abstract Binary–single interactions play a crucial role in the evolution of dense stellar systems such as globular clusters. In addition, they are believed to…”
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Shrinking orbits in hierarchical quadruple star systems by Hamers, Adrian S

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Nonsmooth optimization via quasi-Newton methods by Lewis, Adrian S., Overton, Michael L.

“…We investigate the behavior of quasi-Newton algorithms applied to minimize a nonsmooth function f , not necessarily convex. We introduce an inexact line search…”
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An Analytic Model for Mass Transfer in Binaries with Arbitrary Eccentricity, with Applications to Triple-star Systems by Hamers, Adrian S., Dosopoulou, Fani

“…Most studies of mass transfer in binary systems assume circular orbits at the onset of Roche lobe overflow. However, there are theoretical and observational…”
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Secular dynamics of hierarchical multiple systems composed of nested binaries, with an arbitrary number of bodies and arbitrary hierarchical structure – III. Suborbital effects: hybrid integration techniques and orbit-averaging corrections by Hamers, Adrian S

“…ABSTRACT The secularmultiple code, presented in two previous papers of this series, integrates the long-term dynamical evolution of multiple systems with any…”
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The term CAKUT has outlived its usefulness: the case for the prosecution by Woolf, Adrian S.

“…CAKUT stands for Congenital Anomalies of the Kidney and Urinary Tract, and the acronym first appeared in a review article published in 1998. Since then, CAKUT…”
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A Statistical View of the Stable and Unstable Roche Lobe Overflow of a Tertiary Star onto the Inner Binary in Triple Systems by Hamers, Adrian S., Glanz, Hila, Neunteufel, Patrick

“…Abstract In compact stellar triple systems, an evolved tertiary star can overflow its Roche lobe around the inner binary. Subsequently, the tertiary star can…”
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How Important Is Secular Evolution for Black Hole and Neutron Star Mergers in 2+2 and 3+1 Quadruple-star Systems? by Vynatheya, Pavan, Hamers, Adrian S.

“…Abstract Mergers of black holes (BHs) and neutron stars (NSs) result in the emission of gravitational waves that can be detected by LIGO. In this paper, we…”
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On the formation of hot and warm Jupiters via secular high-eccentricity migration in stellar triples by Hamers, Adrian S.

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Multiple Stellar Evolution: a population synthesis algorithm to model the stellar, binary, and dynamical evolution of multiple-star systems by Hamers, Adrian S, Rantala, Antti, Neunteufel, Patrick, Preece, Holly, Vynatheya, Pavan

“…ABSTRACT In recent years, observations have shown that multiple-star systems such as hierarchical triple and quadruple-star systems are common, especially…”
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A census of main-sequence interactions in the Multiple Star Catalogue by Hamers, Adrian S

“…ABSTRACT Statistics of hierarchical systems containing three or more stars are continuously improving. The Multiple Star Catalogue (MSC) is currently the most…”
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Solving Problems Efficiently in R&D Projects: An Empirical Study of the Application of Six Sigma Tools in an Industrial Research Center by Choo, Adrian S.

“…Given the high uncertainty in R&D work, a key concern of R&D managers is to understand how to fail faster by managing time and cost efficiently among their R&D…”
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First- and second-generation black hole and neutron star mergers in 2+2 quadruples: population statistics by Hamers, Adrian S, Fragione, Giacomo, Neunteufel, Patrick, Kocsis, Bence

“…ABSTRACT Recent detections of gravitational waves from mergers of neutron stars (NSs) and black holes (BHs) in the low- and high-end mass gap regimes pose a…”
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