Application Of The Seifert-Van Kampen Theorem To Certain Sums Of Topological Spaces

Authors

  • Mohd. Altab Hossain Department of Mathematics, University of Rajshahi, Rajshahi

Keywords:

Sum, External sum, Fundamental group, Commutative diagram

Abstract

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.

Key words: Sum; External sum; Fundamental group; Commutative diagram

DOI: http://dx.doi.org/10.3329/jbas.v35i2.9424 JBAS 2011; 35(2): 197-201

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Application Of The Seifert-Van Kampen Theorem To Certain Sums Of Topological Spaces. (2012). Journal of Bangladesh Academy of Sciences, 35(2), 197-201. https://doi.org/10.3329/jbas.v35i2.9424

Issue

Vol. 35 No. 2 (2011)

Section

Articles

How to Cite

Application Of The Seifert-Van Kampen Theorem To Certain Sums Of Topological Spaces. (2012). Journal of Bangladesh Academy of Sciences, 35(2), 197-201. https://doi.org/10.3329/jbas.v35i2.9424