K-theory and motivic homotopy theory seminar 

  Year 2014-2015

Time/Location: This year's seminar will be on one of the following days: Mondays at 4:30, Tuesdays at 4, Thursdays at 3 or Fridays at 5. The rooms are as follows unless a closer room is found: Mondays: Scott Lab 105 (4:30-5:30). Tuesdays: Enarson 246 (4-5), Thursdays: Smith Lab 1042 (3-4) and Fridays: Baker Systems 184 (5-6)

Schedule of talks:


 

TIME  SPEAKER TITLE HOST
September 25 
Th 4:30pm 
CH240  		 Daniel Ramras 
 		 Ring spectra and representation spaces of discrete groups Harper
September ? 
Tue, 4:10pm  		  
 		 host
October 1 
Tue, 4:10pm 		  
 		 N/A
October 8 
Tue, 4:10pm 		  
 		 N/A
October 15 
Tue, 4:10pm 		 Open 
 

October 25 
Fri, Special seminar 		  
 		 TBA
October 29 
Tue, 4:10pm 		 Open 
 		 N/A
November 5 
Tue, 4:10pm 		 Open 
 
November 12 
Tue, 4:10pm 		  
 		 TBA
November 19 
Tue, 4:10pm 		 Open 
 
November 26 
Tue, 4:10pm 
  		 
(TIFR) 		 TBA Joshua
January 7 
Tue, 4:10pm 		 No Seminar 
 		 N/A
January 14 
Tue, 4:10pm 		 Open 
 
January 21 
Tue, 4:10pm 		 Open 
 
January 28 
Thu, 4:10pm 		 Open 
 
February 4 
Tue, 4:10pm 		 Open 
 
February 11 
Tue, 4:10pm 		  
 		 N/A
February 18 
Tue, 4:10pm 		  
 
February 25 
Tue, 4:10pm  		Open 
 
March 4 
Tue, 4:10pm 		 Open 
 		 N/A
March 11 
Tue, 4:10pm 		 Open 
 
March 18 
Tue, 4:10pm 		  
 
March 25 
Tue, 4:10pm 		  
 
April 1 
Tue, 4:10pm 		  
 		 N/A
April 8 
Tue, 4:10pm 		 Open 
April 15 
Tue, 4:10pm 		  
 		 N/A
April 22 
Thu, 4:10pm 		 Open 
 
April 29 
Tue, 4:10pm 		 Open 
 		 N/A

Abstracts

( Ramras talk): Associated to any finitely generated discrete group there is a topological bipermutative category consisting of (finite dimensional) unitary representations and intertwining maps. The K-theory ring spectrum associated to this category admits a ring map to topological K-theory, generalizing in a very explicit manner the well-known Atiyah-Segal construction associating vector bundles to representations. I'll discuss some general features of this theory and its connections to the (strong) Novikov conjecture and Chern-Simons theory.

(second Talk):

(Third Talk I):

( III):

Talk IV):

  • K-theory and Motivic homotopy theory seminar calendar from past years

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