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 * [[attachment:J-graph-A2.pdf|The J-order on the BiHecke monoid for the symmetric group S_3]]

Cool pictures produced with Sage-Combinat

    sage: g = sage.categories.category.category_graph()
    sage: g.set_latex_options(format="dot2tex")
    sage: view(g, pdflatex=True, tightpage = True)
  • Graphs representing the Cartan matrix of the monoid of upper unitriangular boolean nxn matrices. For the second one, I can't resist quoting Tom Denton: "First they tell us we will never need more than 640k of RAM, then they tell us our documents should always be less than the length of a limousine..."

  • The J-order on the BiHecke monoid for the symmetric group S_3

combinat/CoolPictures (last edited 2013-03-02 08:41:01 by nthiery)