"IV" wrote in news:email@example.com... > what is known on graphical representations of integer partitions, integer > compositions or weak integer compositions? (Weak integer compositions are > integer compositions where parts 0 are allowed.)
I found: The representation of integer partitions and of integer compositions is described in an older article of MacMahon. It contains some more details than his later book. For the representation of *weak* compositions, until now I could not find literature references. I use a similar but slightly modified own description.