"There is no room for discussion with extremists," Kolar said. "I am a great supporter of the study of extremism in this country, but we cannot do it by allowing extremists to express their views freely on academic ground."

Zboril — who has studied extremist activity in the Czech Republic for several years — described the decision to halt the seminars as "very wrong."

"I hate neo-Nazis, but it is simply not possible to ostracize them and kick them out of society. Efforts should be made to integrate them rather than ignore them," he said.

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