The calls come in the wake of condemnatory findings by the July 22 commission, which investigated last year's Breivik massacre.
Anders Breivik admitted to July 2011 attacks in Norway that killed more than 70 people, but did not take criminal responsibility for them.
Chinese dissident Liu Xiaobo and his family are not expected to be allowed to attend the Nobel Peace Prize ceremony. But China's opposition to the award has brought even more attention to it, some say.
President Obama irks Norwegians by skipping in and out of the country in 24 hours.