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4 papers · 1 filter
The Binary Companion of Young, Relativistic Pulsar J1906+0746
Joeri van Leeuwen, Laura Kasian, Ingrid H. Stairs +13
PSR J1906+0746 is a young pulsar in the relativistic binary with the second-shortest known orbital period, of 3.98 hours. We here present a timing study based on five years of obse…
Arecibo Pulsar Survey Using ALFA. III. Precursor Survey and Population Synthesis
J. K. Swiggum, D. R. Lorimer, M. A. McLaughlin +33
The Pulsar Arecibo L-band Feed Array (PALFA) Survey uses the ALFA 7-beam receiver to search both inner and outer Galactic sectors visible from Arecibo ($32^{\circ}\lesssim \ell \le…
NANOGrav Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries in Circular Orbits
Z. Arzoumanian, A. Brazier, S. Burke-Spolaor +36
The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) project currently observes 43 pulsars using the Green Bank and Arecibo radio telescopes. In this work we…
Linear relations for a generalized Tutte polynomial
Gary Gordon
Brylawski proved the coefficients of the Tutte polynomial of a matroid satisfy a set of linear relations. We extend these relations to a generalization of the Tutte polynomial that…