The aim of this package is to turn GAP more user-friendly, at least for semigroup theorists. It requires the usage of external programs as is the case of graphviz
[DE+], a software for drawing graphs developed at AT & T Labs, that can be obtained at http://www.graphviz.org/. It is used not only to draw right Cayley graphs of finite semigroups and Sch{\"u}zenberger graphs of finite inverse semigroups but also to visualize in the usual way the egg-box picture of a D-classe of a finite semigroup.
Important note: The version of graphviz
to install should be greater or equal to 1.16.
Tcl/Tk should also be available in order to run the graphical interfaces (XAutomaton and XSemigroup) used to specify automata and semigroups. Once these requirements are met, go to the src
directory of the SgpViz package and run the configure
script.
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