Arecibo Measurements of Pulsar--White Dwarf Binaries: Evidence for Heavy   Neutron Stars
  We summarize constraints on neutron star masses from ongoing timing observations of pulsar-white dwarf binaries at Arecibo. The trend is toward pulsar masses larger than the canonical value of 1.35 solar masses. 
David J. Nice, Eric M. Splaver (Princeton), Ingrid H. Stairs (UBC)