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Application Of The Seifert-Van Kampen Theorem To Certain Sums Of Topological Spaces
2012
Journal of Bangladesh Academy of Sciences
Seifert-Van Kampen theorem for the sum X + Y and external sum X Y of topological spaces is studied and the fundamental groups of these sums have been determined.
doi:10.3329/jbas.v35i2.9424
fatcat:staoflndzrfu7dpvitq6skkfxy