?? ... "either the graph of a linear function from x-axis to y-axis, or vice versa... or perhaps both ..." ... ??... ???something about ... ?? "frankenstein theory" ... ???vs something about "bruhat classification" and so forth ??? .... ???something about arnold and so forth ... lagrangian submanifold as "graph of symplectomorphism from ... to ... or from ... to ... .... " ... ???or something .... ???and so forth ... ???...

??something about overlapping / superimposed bruhat classifications ... ??...