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Math Help - What does this symbol mean?

  1. #1
    Member ModusPonens's Avatar
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    What does this symbol mean?

    Hello

    I've seen the notation S^1 \vee S^1 in the context of topology, but I don't know what it means. I know what S^1 is, just not what the symbol \vee means in this context.

    Thanks in advance.
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  2. #2
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    Re: What does this symbol mean?

    Wedge sum - Wikipedia, the free encyclopedia

    in your example, S^1 \vee S^1 is (equivalent to) a figure-8.
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