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The fundamental group of an algebra with a strongly simply connected Galois covering

    https://doi.org/10.1142/S021949881950052XCited by:0 (Source: Crossref)

    In this work, we prove that if a triangular algebra A admits a strongly simply connected universal Galois covering for a given presentation, then the fundamental group associated to this presentation is free.

    Communicated by A. Facchini

    AMSC: 16G70, 16G20, 16E10