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Operator ordering and consistency of the wavefunction of the Universe
(University of Canterbury. Physics and Astronomy, 1999)
We demonstrate in the context of the minisuperspace model consisting of a closed Friedmann-Robertson-Walker universe coupled to a scalar field that Vilenkin’s tunneling wavefunction can only be consistently defined for ...
Light variations of the blue hypergiants HD 168607 and HD 168625 (1973-1999)
(University of Canterbury. University Centre for Teaching and LearningUniversity of Canterbury. AVC Research Office, 1999)
Str¨omgren differential photometry of HD168607 and HD168625 collected during the previous 27 years is analysed. We bring to an end our quarter of a century monitoring of these objects and conclude that HD168607 shows ...