Hi Ben, I do not think the tableaux model for B(infty) has been implemented yet. You can have a look at a very simple 'template' in
$SAGEROOT/sage/categories/examples/crystals.py which gives you an idea of the methods that you need to implement. Best wishes, Anne On 2/14/11 1:43 PM, Ben Salisbury wrote:
Hi. I'm new to programming, but I would like to attempt to create a Sage code for Kashiwara's B(infinity) crystal using Hong and Lee's semistandard Young tableaux description. My plan is to base my work on the crystal code already developed (i.e., definition of e(i) and f(i), translation to tableaux, LaTeX output, etc.), however I'm finding very difficult to track down where these definition lie in the Sage code. Could someone please point me in the right direction to start this endeavor? Even better, is there already a code for the Young tableaux description of B(infinity) implemented that I have overlooked? Thanks for the help and consideration! Best, Ben
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