Display title | Whitehead conjecture |
Default sort key | Whitehead conjecture |
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Page ID | 205251 |
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Date of page creation | 14:48, 20 July 2022 |
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Article description: (description ) This attribute controls the content of the description and og:description elements. | The Whitehead conjecture (also known as the Whitehead asphericity conjecture) is a claim in algebraic topology. It was formulated by J. H. C. Whitehead in 1941. It states that every connected subcomplex of a two-dimensional aspherical CW complex is aspherical.
A group presentation $ G=(S\mid R) $ is... |