Cristina Costoya
 University of Santiago de Compostela 
 
 A model category for orbifolds.
 
 David Gepner
 University of Illinois 
 
 A bicategory of models.
 
 Waclaw Marzantowicz
 University of Poznan

 Robotics.
 
 Frank Neumann
 University of Leicester 
 
 Stacks.
 
 Dorette Pronk
 Dalhousie University 
 
 Morse theory for orbifolds.

 Christopher Seaton
 Rhodes College 
 
 Systolic inequalities for orbifolds.