OTTAWA — A Russian student who was invited to present her research at an upcoming academic conference in Canada says she believes her visitor visa was unfairly rejected — an issue scholars say is a growing problem for academics from certain areas of the world trying attend conferences in Canada.

Marina Dubova was all set for a conference on cognitive science and artificial intelligence in Montreal next month, but was recently informed her application for a visa was rejected.

Canadian officials indicated they were unconvinced she would return to her home country at the end of her visit because she has no children, owns no property in her home country and has limited employment.

She said friends and colleagues warned her not to bother applying at all, as she was told single women without children are often rejected for these reasons. But as a student of cognitive science, this conference is the biggest in her field and important for networking and seeing the latest research being explored by her international colleagues.

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