Michael J. Koop

THE NANOGRAV NINE-YEAR DATA SET: LIMITS ON THE ISOTROPIC STOCHASTIC GRAVITATIONAL WAVE BACKGROUND

Zaven Arzoumanian, Adam Brazier, Sarah Burke-Spolaor et al. · The Astrophysical Journal · 2016 · 321 citations · Full text

GRAVITATIONAL WAVES FROM INDIVIDUAL SUPERMASSIVE BLACK HOLE BINARIES IN CIRCULAR ORBITS: LIMITS FROM THE NORTH AMERICAN NANOHERTZ OBSERVATORY FOR GRAVITATIONAL WAVES

Zaven Arzoumanian, Adam Brazier, Sarah Burke-Spolaor et al. · The Astrophysical Journal · 2014 · 124 citations · Full text

INSTITUTIONAL COMPETITION VERSUS CENTRALIZATION: QUO VADIS EUROPE?

Horst Siebert, Michael J. Koop · Oxford Review of Economic Policy · 1993 · 94 citations

Economics, Economic Institutions, International Economics +11

High-order quantum back-reaction and quantum cosmology with a positive cosmological constant

Martin Bojowald, David Brizuela, Héctor H. Hernández et al. · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology · 2011 · 74 citations · Full text

Quantum Dynamic, Quantum Science, Alternative Cosmology +15

NANOGrav Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries in Circular Orbits

Zaven Arzoumanian, Adam Brazier, Sarah Burke-Spolaor et al. · Repository of the Academy's Library (Library of the Hungarian Academy of Sciences) · 2014 · 63 citations · Full text

Relativistic Astrophysics, Engineering, Green Bank +18