| Xy-pic A package for graphs and diagrams using . It is structured as several modules, each defining a custom notation for a particular kind of graphical object or structure. Example objects are arrows, curves, and frames. These can be organised in matrix, , path, polygon, knot, and 2-cell structure. Xy-pic works with , , , and , and has been used to typeset complicated diagrams from many application areas including , theory, , and theory. {Home (http://www.ens-lyon.fr/~krisrose/Xy-pic.html)}. (1997-11-20) |