Schedule for 

Special Session on the Modern Schubert Calculus
______________________________________________________________
 Saturday Morning:

   9:00 - 9:20  
   GKM spaces with non-isolated fixed points. 
   Victor Guillemin, vwg@math.mit.edu
   
   9:30 - 9:50     
   Schur and Schubert polynomials are Thom  polynomials. 
   Richard Rimanyi, rimanyi@math.ohio-state.edu
   
   10:00 - 10:20   
   Schubert Calculus on Bott-Samelson Manifolds.  
   Rebecca Goldin, rgoldin@gmu.edu
  
   10:30 - 10:50    
   Polynomials associated to Bott-Samelson resolutions and torsion 
                  in intersection cohomology.
   Tom Braden, braden@math.umass.edu

Saturday Afternoon:

   2:30 - 2:50 
   Geometric proofs of Horn and Saturation conjectures.
   Prakash Belkale, belkale@email.unc.edu
   
   3:00 - 3:20 
   A Vanishing and a Non-Vanishing Criterion for Schubert Calculus on $G/B$.
   Kevin Purbhoo, kpurbhoo@math.berkeley.edu
   
   3:30 - 3:50  
   Divided differences and spaces of subwords.  
   Catalin Zara, zara@math.yale.edu
   
   4:00 - 4:20 
   Schubert Calculus over Free Skew-fields.   
   Vladimir Retakh, vretakh@math.rutgers.edu
   
   4:30 - 4:50  
   Degenerating Schubert varieties to unions of toric 
                varieties associated to rc-graphs.
   Mikhail Kogan, misha@research.neu.edu
   
   5:00 - 5:20 
   Positivity of quiver cycles via deformation. 
   Ezra Miller, ezra@math.mit.edu
 
 Sunday Morning:

   9:00 - 9:20  
   A Schubert calculus recurrence from the noncomplex $W$-action on $G/B$.
   Allen Knutson, allenk@math.berkeley.edu
   
   9:30 - 9:50    
   Grothendieck Polynomials via Permutation Patterns and 
   Chains in the Bruhat Order. 
   Shawn Robinson, shawnr@math.rutgers.edu
  
   10:00 - 10:20 
   Schubert Class formulas.  
   Alexander Yong, ayong@umich.edu 

   10:30 - 10:50 
   Multiplication Formulas in the Grothendieck Ring of a Flag Variety.    
   Cristian P. Lenart, lenart@csc.albany.edu
 
Sunday afternoon:

   2:00 - 2:20 
   Polynomial representatives of Schubert classes in  $QH^(G/B)$.
   Liviu Mare, amare@math.toronto.edu

   2:30 - 2:50  
   A Pieri formula for universal Schubert polynomials. 
   Linda Chen, lchen@math.columbia.edu
   
   3:00 - 3:20  
   The Peterson variety and total positivity.   
   Konstanze Rietsch, rietsch@maths.ox.ac.uk

   3:30 - 3:50  
   Symmetries in quantum Schubert calculus.   
   Harald Hengelbrock, harald.hengelbrock@ruhr-uni-bochum.de

   4:00 - 4:20  
   Quantum Bruhat graph and Schubert polynomials.
   Alex Postnikov  apost@math.mit.edu

   4:30 - 4:50  
   Gromov-Witten invariants on Grassmannians.
   Harry Tamvakis, harryt@brandeis.edu