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Simons Center Workshop on Differential Cohomology January 10, 2011- January 14, 2011

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Monday, January 10
9:30-10:30 Dan Freed,  “Lecture #1 of Minicourse, “Some Uses of Differential Cohomology and Twisted K-Theory in Quantum Field Theory and String Theory” [video]

10:30-11:00  Coffee Break

11:00-12:00 Mike Hopkins, “Differential Cohomology for General Cohomology Theories and One Physical Motivation” [video]

12:00-3:00 Lunch Break

3:00-4:00 Jim Simons, “Roots of Differential Characters, The Characteristic Diagram and The Mayer-Vietoris Property” [video]

4:30-5:30 Krzysztof Gawedzki,  “First Occurrences of Differential-Deligne Cohomology Among Quantum Fields and Some New Twists” [video]

8:00 Staller Center World Premiere of “Differential Cohomology – The Dance of the Diagram”

 

Tuesday, January 11

9:30-10:30  Greg Moore, “Lecture #1 of Minicourse on Physics In Some of The Math Related to Differential Cohomology [notes] [video]

10:30-11:00 Coffee Break

11:00-12:00 Dan Freed, “Lecture #2 of Minicourse [video]

12:00-3:00 Lunch Break

3:00-4:00 Blaine Lawson, “Pontryagin-Poincare’ Duality and Spark Complexes for Differential Cohomology” [video]

4:30-5:30 Andrew Stimpson, “Axioms for Differential Cohomology Inspired by Related Research”[video]

Wednesday, January 12

9:30-10:30 Dan Freed, “Lecture #3 of Minicourse” [notes]

10:30-11:00 Coffee Break

11:00-12:00 Greg Moore, “Lecure #2 of Minicourse” [notes]

12:00-3:00 Lunch Break

3:00-4:00 Ulrich Bunke, “Various Aspects of Differential Cohomology I”

4:30-5:30 John Lott, “Families Index Theorem for Differential K-theory”

*note – No video recordings on 1/12/2011 due to severe weather conditions.

 

Thursday, January 13

9:30-10:30 Dan Freed, “Lecture #3 of Minicourse” [notes] [video]

10:45-11:45 Greg Moore, “Lecure #2 of Minicourse” [notes] [video]

12:00-1:00 Henri Gillet, “Algebraic Geometry, Deligne Cohomology and Bott Chern Classes” [video]

1:00-2:00 Lunch Break

2:00-3:00 John Lott, “Families Index Theorem for Differential K-theory” [not recorded]

3:15-4:15  Alessandro Tomasiello, “Differential Geometry and Topology of Supersymmetric String Solutions” [video]

4:30-5:30 Leon Takhtajan, ” Analogue of Simons’ “Venice Lemma” for Bott -Chern Classes” [video]

7:00 Workshop Banquet

 

Friday, January 14

9:00-10:00 Greg Moore, “Lecture #3 of Minicourse” [notes] [video]

10:15-11:15 Thomas Schick, “Various Aspects of Differential Cohomology II” [video]

11:30-12:30  Graeme Segal, “Possible Goals, Directions or Challenges” [video]

1:00 Lunch