From November 25 to 27, Prof. Jo-Yo Ichikura of Nagoya University visited Okayama University to give an intensive lecture and hold a round-table discussion. The lecture was about cosmology and cosmic microwave background radiation, and the discussion session was titled “Measuring Density Fluctuation of the Universe Twice”, which was interesting in that it is possible to test dark energy by CMB observations without assuming uniform isotropy of the Universe.
