Re: Lattice visualization tool

On Nov 15, 11:17 am, Mitch <maha...@xxxxxxxxx> wrote:
On Nov 14, 8:29 pm, Feng <fen...@xxxxxxxxx> wrote:

Hi, is there any easy-to-use software tools to visualize a lattice (or
a poset)? i.e., given a set of elements and order definition (in
certain format), the software is able to display a graph presenting
the relationship among the elements in an elegant way?

Mathematica has graph viewing functions, and some that are poset
specific (or there are mma packages that manipulate and view posets).

xgap, the xwindows frontend to gap (group computation software)
displays subgroup lattices nicely.

But those easy-to-use only after a big learning curve (and money for
mma).

I've never used them but there are probably all sorts of graph
manipulation programs available online for free that you can use, and
they may have lattice specific options (GraphViz?).

A lot of the usefulness depends on the kind of lattice/poset you care
about. Trees are easy. If there are lots of elements and lots of
connections, you'll want a viewer that allows you to choose which
nodes/edges to view... just something to keep in mind.

Mitch

Thanks for the hints and discussions. I tried Posets 2.3, a Maple
package for poset computations and visualization:

http://www.math.lsa.umich.edu/~jrs/maple.html#posets

It works fine for my purpose -- exploring small-scale higher Bruhat
orders.

Thanks again!
Feng
.

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