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    • starting something, splitting this off as a stand-alone entry – not done yet

      v1, current

    • I had started an entry “exponentiation” but then thought better of it and instead expanded the existing exponential object: added an examples-section specifically for SetSet and made some remarks on exponentiation of numbers.

    • a stub, for the moment just as to satisfy links

      v1, current

    • brief category:people-entry for hyperlinking references

      v1, current

    • late-night phone efit – more tomorrow

      v1, current

    • starting something, not done yet

      v1, current

    • created traced monoidal category with a bare minimum

      I would have sworn that we already had an entry on that, but it seems we didn’t. If I somehow missed it , let me know and we need to fix things then.

    • added pointer, here and in related entries, to

      being one of the early references considering the computation of black hole radiation in terms of thermal field theory on Wick-rotated spacetimes with compact/periodic “Euclidean time”.

      diff, v22, current

    • http://ncatlab.org/nlab/show/Isbell+duality

      Suggests that Stone, Gelfand, … duality are special cases of the adjunction between CoPresheaves and Presheaves. A similar question is raised here. http://mathoverflow.net/questions/84641/theme-of-isbell-duality

      However, this paper http://www.emis.ams.org/journals/TAC/volumes/20/15/20-15.pdf

      seems to use another definition. Could someone please clarify?

    • expanded brane

      first a little remark on what D-branes are abstractly, in reply to an MO-question, then something on fundamental branes, going along with the discussion on the Café

    • starting something – not done yet

      v1, current

    • starting something, splitting this off as a stand-alone entry – not done yet

      v1, current

    • I tried to implement the connection between D-modules and quasicoherent sheaves a bit more

      • added to D-module the alternative definition in terms of quasicoherent sheaves of the deRham space

      • added to deRham space accordingly a pointer to D-modules (also fixed wrong notation in the formulas there)

      • added to quasicoherent sheaf at the very bottom a pointer to D-modules.

      This needs improving. Notably good references should be given.