
SCIENTIFIC PROGRAMS AND ACTIVITIES 

October 23, 2014  
Homotopy Theory ProgramWorkshop on Homotopy, Geometry and Physics

2:00 pm:  John Jones, Warwick 
Operad Theory  
3:30 pm:  Jacques Hurtubise, McGill 
Moduli spaces and particle spaces. II 
9:30 am:  Raoul Bott, Harvard 
Topological aspects of the Feynman rules  
11:00 am:  Fred Cohen, University of Rochester, 
Configuration Spaces and Mapping Class groups  
2:00 pm:  Charles Boyer, University of New Mexico 
Stability Theorems for Spaces of Rational Curves  
3:30 pm:  Pawel Gajer, Texas A&M 
Geometry of higher line bundles, Deligne cohomology, and algebraic cycles 
9:30 am:  Jim Milgram, Stanford 
Holomorphic maps from a Riemann surface to complex projective space  
11:00 am:  Ezra Getzler, Northwestern University 
The homology of the moduli spaces M_{1,n} and their compactifications  
2:00 pm:  Takashi Kimura, Boston University 
Moduli Spaces, Graph Complexes, and Their Representations  
3:00 pm:  Alexander A. Voronov, University of Pennsylvania 
Homotopy Gerstenhaber algebras in topological field theory  
4:30 pm:  John Jones, Warwick 
Equivariant maps between spheres and the 11/8 conjecture 
Sunday, April 21
9:30 am:  Jack Morava, Johns Hopkins 
Topological gravity and quantum cohomology  
11:00 am:  Lisa Jeffrey, McGill 
Quantization commutes with reduction  
2:00 pm:  Stefan Stolz, Notre Dame 
Manifolds of positive scalar curvature  a survey  
3:00 pm:  Ruth Lawrence, Michigan 
A Holomorphic version of the WittenReshetikhinTuraev invariant  
4:30 pm:  Robert MacPherson, IAS, (Fields Distinguished Lecture) 
Topology of Spaces with Torus Action 
9:30 am:  TBA 
11:00 am:  Paulo LimaFilho, Texas A&M 
EulerChow series and projective bundle formulas  
2:00 pm:  Michael Kapranov, Northwestern University 
Rational curves in flag varieties, EisensteinLanglands series and affine quantum groups  
3:30 pm:  Jim Stasheff, University of North Carolina 
Compactifications of configuration and moduli spaces 