Seminars of the CENTRE de RECHERCHE en THEORIE des CATEGORIES CATEGORY THEORY RESEARCH CENTER C ---------> R | / | | / | | / | | / | v / v T ---------> C 2015 27 January 2015 2:30 - 4:00 Martino Lupini (York U) Polish groupoids and functorial complexity [Abstract on webpage] 10 February 2015 2:30 - 4:00 M. Makkai (McGill) 2-exactness: a study in 2-dimensional categorical logic [Abstract on webpage] 17 February 2015 2:30 - 4:00 P. Hofstra (Ottawa) Isotropy and monoidal structures on toposes. [Abstract on webpage] 20-21 February 2015 Vision de l'espace: hommage à Alexander Grothendieck (at Université de Montréal) [Details on webpage] 24 February 2015 2:30 - 4:00 R. Raphael (Concordia) The Countable Lifting Property for C(X) [Abstract on webpage] 3 March 2015 2:30 - 4:00 M. Makkai (McGill) Grothendieck's concept of pretopos: its role in algebraic geometry and in logic (Lecture 2) [Abstract on webpage] 10 March 2015 2:30 - 4:00 M. Makkai (McGill) Grothendieck's concept of pretopos: its role in algebraic geometry and in logic (Lecture 3) [Abstract on webpage] 24 March 2015 2:30 - 4:00 M. Makkai (McGill) Syntax in categorical logic [Abstract on webpage] 31 March 2015 2:30 - 4:00 W. Boshuck Models and algebras [Abstract on webpage] 7 April 2015 2:30 - 4:00 M. Makkai (McGill) Generalized sketches for syntax and semantics I [Abstract on webpage] 14 April 2015 2:30 - 4:00 M. Makkai (McGill) Generalized sketches for syntax and semantics II 21 April 2015 2:30 - 4:00 M. Makkai (McGill) Generalized sketches for syntax and semantics III [Abstract and notes on webpage] McGill Logic, Category Theory, and Computation Seminar 15 Sept 2015 2:30 - 4:00 M. Sabok (McGill) Organizational Meeting (30 min) Invitation to the descriptive set-theoretical complexity theory 22 Sept 2015 2:30 - 3:30 M. Sabok (McGill) Invitation to the descriptive set-theoretical complexity theory II 29 September 2015 2:30 - 4:00 P. Panangaden (McGill) Logical Characterization of Probabilistic Bisimulation for Labelled Markov Processes [Abstract on webpage] 6 October 2015 2:30 - 4:00 Michael Pawliuk (U Toronto) Amenability and Unique Ergodicity of Automorphism Groups of Homogeneous Directed Graphs [Abstract on webpage] 13 October 2015 2:30 - 4:00 M. Makkai (McGill) Isomorphism of countable structures and infinitary logic [Abstract on webpage] 27 October 2015 2:30 - 4:00 Michael Barr 2 Thirty minute talks [Abstract on webpage] 31 October - 1 November 2015 Octoberfest, Ottawa Tuesday, 3 November 2015 2:30 - 4:00 Brendan Fong Decorated cospans, corelations, and electrical circuits [Abstract on webpage] Friday, 6 November 2015 2:30 - 4:00 David Bradley-Williams (University of Central Lancashire) Location: BH 1214 Reducts of Tree-like structures [Abstract on webpage] Tuesday, 10 November 2015 2:30 - 4:00 R. Raphael (Concordia) "By an easy induction..." [Abstract on webpage] Tuesday, 17 November 2015 2:30 - 4:00 Julien Melleray (Lyon) The simplex of invariant measures of a minimal homeomorphism [Abstract on webpage] 4 - 7 December 2015 2015 CMS Winter Meeting in Montreal Scientific sessions on Descriptive Set Theory and Logic, Category Theory and Computation, among other topics.