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nLab > Latest Changes

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    • Created the page to fix some links.

      v1, current

    • brief category:people-entry for hyperlinking references

      v1, current

    • added briefly something to Ricci flow, amplifying that it is the gradient flow of the action functional of dilaton gravity (equivalently: the renormalization group flow of the string-sigma-model coupled to gravity and dilaton)

    • Fix naming of index variable to match index on expression inside.

      Greg Langmead

      diff, v3, current

    • a stub, for the moment just to make links work

      v1, current

    • a stub, just for completeness, for the moment

      v1, current

    • starting to record some references – not done yet but need to save

      v1, current

    • Page created, but author did not leave any comments.

      v1, current

    • Page created, but author did not leave any comments.

      v1, current

    • I thought we had a reference for this on the nnLab, but now I don’t find it:

      What’s a citation for the statement that ∞Groupoids\infty Groupoids is the terminal object in (∞,1)Toposes(\infty,1)Toposes?

      diff, v9, current

    • Page created, but author did not leave any comments.

      v1, current

    • Created elementary embedding to record a proof that I learned from Nate Ackermann. The upshot is that Kunen's technical argument for the inconsistency of an e.e. V\to V, and its use of choice, is unnecessary if you merely care about definable e.e.'s.

    • The definition given is incorrect for anything but finite G, so I added that to make it explicit

      Anonymous

      diff, v13, current

    • Page created, but author did not leave any comments.

      v1, current

    • added explicit mentioning, illustrating graphics and cross-link of the Moebius strip being the tautological line bundle on ℝP 1\mathbb{R}P^1 (here)

      diff, v7, current

    • I have created a page list of mathematics software with links to all the nLab pages I could find about software packages, and put all of those pages in category: software.

    • Page created, but author did not leave any comments.

      v1, current

    • Page created, but author did not leave any comments.

      v1, current

    • a stub, for the moment just to make links work

      v1, current

    • a stub, for the moment just to make links work

      v1, current

    • long time ago (March last year) some Jonas Meyer added a very useful comment in a query box at the stub entry Gelfand spectrum, but apparently felt not sure about implementing things more directly. Maybe somebody find the energy to do so. Maybe me, maybe not.

    • I just noticed that Gelfand-Naimark theorem (together with a dozen of variants of spelling) used to be redirecting to Gelfand spectrum, which however had and has nothing to say about it. As a quick fix, I gave it its own entry now, with an absolute minimum of content. Needs expanding now. I also edited the pointers to this from the Properties-section at C*-algebra.

    • Page created, but author did not leave any comments.

      v1, current

    • a bare minimum, for the moment just so as to make hyperlinks work

      v1, current

    • Came across this page and gave it some formatting.

      diff, v4, current

    • starting something, not done yet but need to save

      v1, current

    • Added mention of the exceptional covers in degree 6 and 7.

      diff, v2, current

    • gave formal Picard group its own brief entry. Mainly I wanted to record the pointer to the lecture notes now given there.

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