Talks from 1999
Here is a list of all talks given in 1999 at the Australian Category Seminar. Click on the title for an abstract, or on the speaker's name for other talks by that speaker.
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15 December 1999, Macquarie
- 2pm: Christian Kassel – Dehornoy's linear ordering on braids
- 4pm: George Janelidze – Strongly separable morphisms
8 December 1999, Sydney
- 2pm: Christian Kassel – Completion of braided monoidal categories and action of the Grothendieck-Teichmüller group
- 4pm: George Janelidze – Central extensions in universal algebra
1 December 1999, Macquarie
- 2pm: Christian Kassel – Constructing braided monoidal categories from infinitesimal data
- 4pm: George Janelidze – Internal crossed modules II
24 November 1999, Sydney
- 2pm: George Janelidze – Internal crossed modules
- 4pm: Mark Weber – Non-permutative operads in a presheaf topos II (cont.)
17 November 1999, Macquarie
- 2pm: Mark Weber – Non-permutative operads in a presheaf topos II
- 4pm: Ross Street – An extension of Grothendieck's semidirect/wreath product construction arising from enriched category theory
10 November 1999, Sydney
- 2pm: George Janelidze – Finite preorders and topological descent (joint work with Manuela Sobral)
- 4pm: Max Kelly – Thoughts on transport of structure for 2-monads
27 October 1999, Sydney
- 2pm: Steve Lack – When small limits of small functors are small
- 4pm: Ross Street – From modules to accessible functors
20 October 1999, Macquarie
- 2pm: Sun Shu-Hao – Classification of compact ringed spaces using sheaf representations II
- 4pm: Jiri Velebil – Local smallness of cocompletions
13 October 1999, Sydney
- 2pm: Sun Shu-Hao – Classification of compact ringed spaces using sheaf representations
- 4pm: Max Kelly – Further thoughts on comparing monads
29 September 1999, Sydney
- 2pm: Mark Weber – Non-permutative operads in a presheaf topos (cont.)
- 4pm: Max Kelly – On proving the faithfulness of monad-morphisms
22 September 1999, Macquarie
- 2pm: Mark Weber – Non-permutative operads in a presheaf topos
- 4pm: Michael Batanin – Pénon's 5-minute definition of weak omega-category
15 September 1999, Sydney
- 2pm: Daniel Steffen – Modular categories after Turaev II: Invariants of 3-manifolds & the skein category
- 4pm: Steve Lack – More on contractilbe presentations
8 September 1999, Macquarie
- 2pm: Daniel Steffen – Modular categories after Turaev
- 4pm: Ross Street – Cohomology with coefficients in a category
1 September 1999, Sydney
- 2pm: Marie-Anne Moens – Azumaya graphs
- 4pm: Steve Lack – Pseudo-actions of braid monoids (d'après Deligne)
25 August 1999, Macquarie
- 2pm: Marie-Anne Moens – On regular presheaves and regular graphs
- 4pm: Ross Street – Oh no! Not even weaker 3-categories!
18 August 1999, Sydney
- 2pm: Adriano Scutellà – Selecting without comparing: A small theorem in linear algebra and its abstract implementation using the bicategory Span(RGraph)
- 4pm: Isar Stubbe – The role in theoretical physics of the category of complete semilattices
23 June 1999, Sydney
- 2pm: André Joyal – A new model structure for simplicial sets
- 4pm: Ross Street – The formal theory of monads revisited
16 June 1999, Macquarie
- 2pm: Myles Tierney – Simplicial homotopy theory (lecture 6)
- 4pm: Alexei Davydov – Hochschild homology classes of fusion algebras
9 June 1999, Sydney
- 2pm: Myles Tierney – Short course on simplicial homotopy theory (lecture 5)
- 4pm: Luigi Santocanale – When circular proofs are good proofs
2 June 1999, Macquarie
- 2pm: Myles Tierney – Simplicial homotopy theory (lecture 4)
- 4pm: Claudio Hermida – Coherence for representable multicategories
26 May 1999, Sydney
- 2pm: Myles Tierney – Short course on simplicial homotopy theory (lecture 3)
- 4pm: Steve Lack – When do completion processes give rise to extensive categories?
19 May 1999, Macquarie
- 2pm: André Joyal – Quillen model structures
- 4pm: Michael Batanin – Cooperative games, permutoresultohedra and 4-D coherence
12 May 1999, Sydney
- 2pm: André Joyal – Quillen model structures
5 May 1999, Macquarie
- 2pm: Brian Day – *-Autonomous convolution
- 4pm: André Joyal – Introduction to Quillen model structures
21 April 1999, Macquarie
- 2pm: Max Kelly – Some happy new insights into base-change for categories enriched over bicategories
- 4pm: Ross Street – Categories enriched on two sides
14 April 1999, Sydney
- 2pm: Luigi Santocanale – The $\mu$-lattice $J(P)$
31 March 1999, Sydney
- 2pm: Luigi Santocanale – Least and greatest fixpoints in games, least and greatest fixpoints as games
- 4pm: Steve Lack – Second meditation on pseudomonads
24 March 1999, Macquarie
- 2pm: Julien Bichon – Galois reconstruction of finite quantum groups
- 4pm: Max Kelly – Objects in two categories and monoidal closed structures
10 March 1999, Macquarie
- 2pm: Julien Bichon – Quantum automorphism groups of finite graphs
- 4pm: Michael Batanin – Informal discussion on homotopy 4-types
3 March 1999, Sydney
- 2pm: Daniel Ford – Machiavellian games
- 4pm: Bob Rosebrugh – The distributive law for complete distributivity
24 February 1999, Macquarie
- 2pm: Kit Dampney – CT for IS - How CT enlivens a body of knowledge
- 4pm: John Corbett – A sheaf model of quantum mechanics
17 February 1999, Sydney
- 2pm: Michael Batanin and André Joyal – Discussion on 4-teisi
10 February 1999, Macquarie
- 2pm: Max Kelly – The use of the pseudo-limit of an arrow in simplifying the work on monadicity of Steve Lack and GMK
- 4pm: Bob Rosebrugh – Spans, trees and minimal realization
3 February 1999, Sydney
- 2pm: Max Kelly – Single-space homology axioms
27 January 1999, Macquarie
- 2pm: Michael Roy – Some toposes of spaces (cont.)
- 4pm: Steve Lack – On the monadicity of enriched categories with chosen colimits
13 January 1999, Macquarie
- 2pm: Michael Roy – Some toposes of spaces
- 4pm: Ross Street – Cohomology of groups