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The nGroup is a loosely-defined worldwide collection of researchers in mathematics, physics, and philosophy. Thematically, we centre ourselves on the idea that:</p> <blockquote> <p>Category theory, and particularly higher category theory, can provide many useful insights and tools for the study of mathematics, physics, and philosophy.</p> </blockquote> <p>Practically, we also adhere to the notion that:</p> <blockquote> <p>We work best when we work in the open.</p> </blockquote> <p>That idea led to the creation of the <a class="existingWikiWord" href="/nlab/show/HomePage">nLab</a>, a wiki where we, and others, can record our notes as we work. Shortly after its creation, the <a href="http://nforum.ncatlab.org">nForum</a> was started as a place to discuss issues relating to the nLab. Originally just for technical issues, it has since expanded into the discussion area of the nLab where we report on things we’ve done on the nLab and discuss ideas prior to noting them in the nLab. The relationship between the nLab and nForum can be summed up as follows:</p> <blockquote> <p>The nForum exists to help the work on the nLab. Of the two, the nLab is the more permanent record.</p> </blockquote> <p>What we hope to achieve by working in the open is greater interaction between researchers. To that end, we want the nLab, and by extension the nForum, to be places where people come to learn, instruct, and interact. 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