Australian Category Seminar

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Talks from 2017

Here is a list of all talks given in 2017 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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20 December 2017, Macquarie

• 2pm: Martin Markl – Distributive laws between the Three Graces
• 4pm: Gabriel Drummond-Cole – Model category structures for dg-coalgebras

6 December 2017, Macquarie

• 4pm: Peter Johnstone – Perfect toposes and infinitesimal weak generation

29 November 2017, Macquarie

• 2pm: Karol Szumilo – Internal Language of Higher Categories (part 2)
• 4pm: Philip Hackney – Triple adjoints and anti-involutions

22 November 2017, Macquarie

• 2pm: Richard Garner – (Co)localisation of one-dimensional model structures
• 4pm: Karol Szumilo – Internal Language of Higher Categories (part 1)

15 November 2017, Macquarie

• 2pm: Edoardo Lanari – On the Homotopy Theory of ∞-groupoids, part 3
• 4pm: Peter Johnstone – What is Modified Realizability?

8 November 2017, Macquarie

• 2pm: Geordie Williamson – Actions of Coxeter groups and their braid groups on (higher) categories
• 4pm: Bob Rosebrugh – Symmetric lenses, cospans and universality

1 November 2017, Macquarie

• 2pm: Peter Johnstone – The Wonderful World of Realizability, part 2
• 4pm: Alexander Campbell – Strictification of indexed bicategories

25 October 2017, Macquarie

• 2pm: Peter Johnstone – The Wonderful World of Realizability
• 4pm: Edoardo Lanari – On the Homotopy Theory of ∞-groupoids, part 2

18 October 2017, Macquarie

• 2pm: Richard Garner – A new and improved embedding theorem for tangent categories
• 4pm: Edoardo Lanari – On the Homotopy Theory of ∞-groupoids

11 October 2017, Macquarie

• 4pm: Alexander Campbell – How strict is strictification?, part 2

4 October 2017, Macquarie

• 2pm: Anthony Henderson – Towards character sheaves
• 4pm: John Bourke – Quillen model structures and low dimensional higher dimensional categories

27 September 2017, Macquarie

• 2pm: Steve Lack – Cobraidings for monoidal comonads
• 4pm: Alexander Campbell – The 2-stack of stacks

20 September 2017, Macquarie

• 2pm: Branko Nikolic – Lifting Cauchy modules through Hopf adjunctions in the setting of 2-sided enrichment
• 4pm: Scott Balchin – Augmented homotopical algebraic geometry, part 2

13 September 2017, Macquarie

• 2pm: Scott Balchin – Augmented homotopical algebraic geometry
• 4pm: Richard Garner – Monads and theories

6 September 2017, Macquarie

• 2pm: Zsuzsanna Dancso – Lattices and homological algebra
• 4pm: Marcy Robertson – An action of the Grothendieck-Teichmuller group on the operad of stable curves of genus zero

23 August 2017, Macquarie

• 2pm: John Bourke – Model structures on algebraically fibrant and cofibrant objects revisited
• 4pm: Philip Hackney – Flippy sets and dagger categories

16 August 2017, Macquarie

• 2pm: Eugenia Cheng – Doubly degenerate Trimble 3-categories and braided monoidal categories
• 4pm: Amnon Neeman – Recent developments in Grothendieck duality

9 August 2017, Macquarie

• 2pm: Ross Street – Raising Cauchy through a comonadic base change
• 4pm: Alexander Campbell – Skew-proactegories

2 August 2017, Macquarie

• 2pm: Richard Garner – Ultraproducts, ultraspans and ultracategories
• 4pm: Michael Batanin – Internal algebras classifiers of polynomial monads and homotopy pushouts

26 July 2017, Macquarie

• 2pm: Charles Walker – Distributive laws via admissibility
• 4pm: Emily Riehl – Homotopy coherent structures, redux

12 July 2017, Macquarie

• 4pm: Ross Street – Cauchy completeness for DG-categories, part 2

5 July 2017, Macquarie

• 2pm: Ross Street – Cauchy completeness for DG-categories
• 4pm: Emily Riehl – Homotopy coherent structures

28 June 2017, Macquarie

• 2pm: Branko Nikolic – A commutative and cocommutative Hopf algebra in nature
• 4pm: Alexander Campbell – Enriched weak algebraic factorization systems (part 2)

21 June 2017, Macquarie

• 2pm: Alexander Campbell – Enriched weak algebraic factorization systems (part 1)
• 4pm: Philip Hackney – Higher properads (part 2)

7 June 2017, Macquarie

• 2pm: Oded Yacobi – Introduction to Categorical Representation Theory
• 4pm: Jun Yoshida – Graphical calculus in symmetric monoidal (infty-)categories with duals (part 2)

31 May 2017, Macquarie

• 2pm: Dmitri Nikshych – The Witt group of braided fusion categories
• 4pm: Emily Riehl – A synthetic theory of ∞-categories in homotopy type theory

24 May 2017, Macquarie

• 2pm: Ross Street – Quadratic forms as complete invariants for autonomous braided monoidal groupoids
• 4pm: Jun Yoshida – Graphical calculus in symmetric monoidal (infty-)categories with duals (part 1)

17 May 2017, Macquarie

• 2pm: Philip Hackney – Higher properads (part 1)
• 4pm: Steve Lack – Combinatorial models for associahedra

10 May 2017, Macquarie

• 4pm: Richard Garner – A practical introduction to weighted limits

3 May 2017, Macquarie

• 2pm: John Bourke – Skew multicategories
• 4pm: Florian De Leger – Mapping spaces and internal algebra classifiers

26 April 2017, Macquarie

• 2pm: Alexander Campbell – Skew categories, skew actegories
• 4pm: Hardy Hulley – The Giry monad as a codensity monad

19 April 2017, Macquarie

• 4pm: John Bourke – Equations, orthogonality and Birkhoff's theorem

12 April 2017, Macquarie

• 2pm: Diarmuid Crowley – Classifying manifolds: a categorical perspective
• 4pm: Charles Walker – Yoneda Structures and KZ Doctrines

29 March 2017, Macquarie

• 2pm: Michael Batanin – Quillen equivalences between categories of algebras
• 4pm: Alexander Campbell – How strict is strictification?

22 March 2017, Macquarie

• 2pm: John Bourke – Skew monoidal categories, colax monoidal categories and multicategories
• 4pm: Jonathan Beardsley – A Third Isomorphism Theorem for Thom Spectra and Hopf-Galois Extensions

15 March 2017, Macquarie

• 2pm: Ross Street – Series monoidal categories and Zeno functors
• 4pm: Michael Batanin – Mapping spaces and internal algebra classifiers

8 March 2017, Macquarie

• 2pm: Steve Lack – Coherence for skew monoidal categories, revisited
• 4pm: Ross Street – Real sets

1 March 2017, Macquarie

• 2pm: Emily Riehl – Algebraic and homotopical aspects of general Reedy categories
• 4pm: Dominic Verity – Power to the people (part 2)

22 February 2017, Macquarie

• 2pm: Dominic Verity – Power to the people (part 1)
• 4pm: Richard Garner – Chu spaces and the funny tensor product

15 February 2017, Macquarie

• 2pm: Emily Riehl – When is a diagram cofibrant?
• 4pm: Philip Hackney – A Reedy category for cyclic operads

8 February 2017, Macquarie

• 2pm: John Bourke – Algebraic weak equivalences
• 4pm: Emily Riehl – Cell complex presentations for Reedy categories

1 February 2017, Macquarie

• 2pm: Ross Street – Toil and trouble with Drinfeld's double
• 4pm: Steve Lack – Braidings on skew monoidal categories

18 January 2017, Macquarie

• 2pm: Philip Hackney – Higher cyclic operads
• 4pm: James Dolan – Quantales from kaleidoscopes

11 January 2017, Macquarie

• 2pm: Ross Street – Local convolution and MonCat-bicategories
• 4pm: David White – Model categories, the Grothendieck construction, and operads