University at Albany

         Department of Mathematics and Statistics

                 Colloquium/CRANTS    


Speaker:       Professor Jessica Sidman, Mount Holyoke College 

Time:          Friday, April 23, at 4:30pm       

Place:         Earth Sciences Bldg. 143,  Univ. at Albany 

Title:         Equations defining subspace arrangements 


Abstract:

A subspace arrangement X is a finite union of linear subspaces in a vector
space of dimension n.  Subspace arrangements arise in diverse areas of
mathematics including invariant theory, graph theory, and topology.  I
will discuss some relationships between the defining equations of subspace
arrangements and problems in algebra and combinatorics.  I will also talk
about the defining equations of an arbitrary arrangement and then discuss
some arrangements whose defining equations can be described explicitly.


Refreshments at 4:00 pm in ES 152.