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added a sentence to the Idea-section at Kan complex
Christian alerts me that the graphics in the Idea-section (here) after “The first few orientals look as follows” does not display (or not anymore).
Looking at the code of this page, one finds a baroque construction which is trying and failing to !include the page oriental > Delta4 and its cousins. These pages, in turn, do display by themselves, but what they show is quite ill-formatted and the code which produces this unpleasant output is even more baroque and unreadable.
Therefore, besides the technical issue of why the present code does not render, I think we should delete it even if it did or will render, and replace it by one single well-done tikzpicture.
I can produce such a tikzpicture of the first few orientals, if necessary. But if anyone feels ambitious about this and/or already has available such a tikzpicture, please feel invited to edit it into oriental.
starting some minimum, for the moment mainly to connect some references and for connecting the entries on topological data analysis with machine learning
just re-discovered the existence of the ancienct page holonomic quantum field, while looking to hyperlink the authors of:
This old page needs attention:
After I had given (in rev 2) Zoran’s original text the header “Idea”, Zoran complained within the entry (rev 3) about his own text that:
There is no single mathematical idea expressed here yet!
and
Somebody should figure it out
Many more references and a couple of new sentences in Idea section of logarithmic CFT stub.
An ordinary natural transformation F→G (F,G:C→D) can be converted into a functor I⨯C→D whose restrictions to {0}⨯C and {1}⨯D are F and G respectively. Here I={0→1}.
It seems to me that a pseudonatural transformation can likewise be converted to a 2-functor I⨯C→D. In particular, the morphism ϕ(f) in the definition of a pseudonatural transformation can be encoded via the compositor isomorphisms for the maps (0,r)→(0,s)→(1,s).
Has this been written up somewhere?
am splitting-off Lubin-Tate formal group from Lubin-Tate theory
(but as of yet neither entry states the full definition, to be expanded…)
gave the old entry wedge sum its explicit formal definition. Also added two examples.
maybe a question for Zoran: I am am not sure if I am identifying the correct personal webpage or similar of Fyodor Malikov. Could you help?