
October 1416, 2011
Workshop on Category Theoretic Methods in Representation Theory
University of Ottawa
All talks will take place in room B005 of KED 585,
located at 585
King Edward Avenue.
Organizers:
Alexander Hoffnung, Alistair Savage
Department of Mathematics and Statistics, University of Ottawa





OVERVIEW
The term 'categorification' refers to replacing algebraic objects such as sets,
rings, and algebras, with categories. The original algebraic structure is then
recovered by passing to isomorphism classes. Interesting categorifications provide
new structure and interesting connections between apparently disparate mathematical
concepts.
While many developments in the history of mathematics can be interpreted
in terms of categorification, community consensus traces the initiation of
a formal program of study to the 1994 paper of Crane and Frenkel proposing
the existence of categorified quantum groups as fundamental objects in the
study of 4dimensional topological quantum field theories. Since then, researchers
have enjoyed great success and a wide array of applications from the study
of categorified structures.
Recently, building on geometric results, category theory has offered its
own transformative results to the study of representation theory. For example,
the application of the diagramatic theory of monoidal categories and adjoint
functors to the study of quantum groups by Khovanov and Lauda has produced
the conjectured categorified quantum groups of Crane and Frenkel (also obtained
by Rouquier algebraically). Other fundamental representation theoretic objects
such as Weyl groups, Hecke algebras, and the Heisenberg algebra have also
been categorified. The applications of this work have had immediate impact
across representation theory and mathematical physics.
INVITED SPEAKERS
FINANCIAL SUPPORT
There is some funding available for graduate students and postdoctoral fellows.
Those interested should complete the funding application by clicking on the
link above. The deadline for applying for support is September 1, 2011.
SCHEDULE:
All talks will take place in room B005 of KED 585, located at 585
King Edward Avenue. Registration and coffee breaks will take place in
room 104.
REGISTERED ATTENDEES as of October 24, 2011
Full Name 
University/Affiliation 
Arkhipov, Sergey 
University of Toronto 
Biland, Erwin 
Université Laval 
Bischof, Bryan 
Kansas State University 
Calmès, Baptiste 
Université d'Artois 
Cautis, Sabin 
Columbia University 
Chen, Hongjia 
Wilfrid Laurier University 
Chen, Xueqing 
University of WisconsinWhitewater 
Dancso, Zsuzsanna 
Institute for Advanced Study 
Dimitrov, Ivan 
Queen's University 
Dolan, James 

Dlab, Vlasta 
Carleton University 
Egger, Jeff 

Elias, Benjamin 
Massachusetts Institute of Technology 
Fischer, Aron 
CUNY Graduate Centre 
Fontaine, Bruce 
University of Toronto 
Halacheva, Iva 
University of Toronto 
HanniganDaley, Brad 
University of Toronto 
Hoffnung, Alexander 
University of Ottawa 
Huard, Francois 
Bishop's University 
Kamnitzer, Joel 
University of Toronto 
Klein, Florian 
University of Oxford 
Lauda, Aaron 
University of Southern California 
Lemay, Joel 
University of Ottawa 
Li, Travis Songhao 
University of Toronto 
Licata, Anthony 
Institute for Advanced Study 
Mackaay, Marco 
Universidade do Algarve 
Majard, Dany 
Kansas State University 
MalagónLópez, José 
University of Ottawa 
Mazorchuk, Volodymyr 
University of Uppsala 
McCurdy, Micah 
Saint Mary's University 
McGerty, Kevin 
Imperial College London 
Mirmohades, Djalal 
Uppsala University 
Morgan, Stephen 
University of Toronto 
Morrison, Scott 
University of California, Berkeley 
Morton, Jeffrey 
Instituto Superior Tecnico 
Nilsson, Jonathan 
Uppsala University 
Pospichal, Tomas 
Carleton University 
Putyra, Krzysztof 
Columbia University 
Rouquier, Raphaël 
University of Oxford 
Rowe, Daniel 
University of Toronto 
Salmasian, Hadi 
University of Ottawa 
Savage, Alistair 
University of Ottawa 
Thind, Jaimal 
University of Toronto 
Treumann, David 
Northwestern University 
Vaz, Pedro 
University of Zurich and IST Lisbon 
Wagner, Emmanuel 
Université de Bourgogne 
Webster, Ben 
Northeastern University 
Williamson, Geordie 
University of Oxford 
Wu, Enxin 
University of Western Ontario 
Yacobi, Oded 
University of Toronto 
Zainoulline, Kirill 
University of Ottawa 
Zhang, Lucy Liuxuan 
University of Toronto 
Zhong, Changlong 
University of Ottawa 
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