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Q4292757 - MaRDI portal

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scientific article; zbMATH DE number 569731
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scientific article; zbMATH DE number 569731

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    10 July 1994
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    simple-homotopy
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    two-dimensional complexes
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    group presentations
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    P.L. embeddings of 2-complexes
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    Andrews-Curtis conjecture
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    Zeeman collapsing conjecture
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    Whitehead asphericity conjecture
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