## Talks from 2019

Here is a list of all talks given in 2019 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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### 11 December 2019, Macquarie

### 27 November 2019, Macquarie

- 2pm: Bryce Clarke – Internal split opfibrations, lenses, and decalage
- 4pm: Martina Rovelli – An embedding of 2-categories into (oo,2)-categories

### 20 November 2019, Macquarie

### 13 November 2019, Macquarie

- 2pm: John Power – The finitary monad-Lawvere theory correspondence
- 4pm: Yuki Maehara – Gray tensor product for 2-quasi-categories

### 6 November 2019, Macquarie

- 2pm: Alexander Campbell – Joyal's cylinder conjecture (part 4)
- 4pm: Paul Lessard – Spectra as locally finite Z-groupoids (part 2)

### 30 October 2019, Macquarie

- 2pm: Daniel Murfet – Constructing A-infinite categories of matrix factorisations
- 4pm: Alexander Campbell – Joyal's cylinder conjecture (part 3)

### 23 October 2019, Macquarie

### 16 October 2019, Macquarie

- 2pm: Dror Bar-Natan – Algebraic Knot Theory
- 4pm: Alexander Campbell – Joyal's cylinder conjecture (part 2)

### 9 October 2019, Macquarie

- 2pm: Kevin Coulembier – Tannakian Categories
- 4pm: Alexander Campbell – Joyal's cylinder conjecture (part 1)

### 2 October 2019, Macquarie

### 25 September 2019, Macquarie

- 2pm: Richard Garner – Relative extensivity, multicategories and topological spaces
- 4pm: Bryce Clarke – Symmetric lenses as Mealy morphisms (part 2)

### 18 September 2019, Macquarie

### 4 September 2019, Macquarie

- 2pm: Alexander Campbell – Equivalences of complicial sets (part 2)

### 28 August 2019, Macquarie

- 2pm: Alexander Campbell – Equivalences of complicial sets (part 1)
- 4pm: Richard Garner – Parametric right adjoint functors and polynomials

### 21 August 2019, Macquarie

- 2pm: Bryce Clarke – Symmetric lenses as Mealy morphisms
- 4pm: Edouard Balzin – On lax limits of families of model categories

### 14 August 2019, Macquarie

- 2pm: Edouard Balzin – Operation-indexing categories and Grothendieck fibrations
- 4pm: Steve Lack – Ambrose-Palais-Singer theorem for tangent categories (part 2)

### 7 August 2019, Macquarie

- 2pm: Richard Garner – The free tangent category on an object with affine connection
- 4pm: Younesse Kaddar – Regarding the discrete distribution monad: tricocyloids, effecti, quantum probability, linear logic and other bric-a-brac

### 31 July 2019, Macquarie

- 2pm: Florian de Leger – Theta_2 and weak bimodules over 2-operads (part 2)
- 4pm: Steve Lack – Ambrose-Palais-Singer theorem for tangent categories (part 1)

### 24 July 2019, Macquarie

### 3 July 2019, Macquarie

- 2pm: Henning Krause – Completing triangulated categories
- 4pm: Florian de Leger – Theta_2 and weak bimodules over 2-operads

### 26 June 2019, Macquarie

- 2pm: Richard Garner – Fixpoint toposes

### 19 June 2019, Macquarie

- 2pm: Richard Garner – Topos theoretic aspects of self-similarity
- 4pm: Ross Street – Spans, Relations, and all that

### 5 June 2019, Macquarie

- 2pm: Alexander Campbell – 2-quasi-categories vs Segal 2-categories
- 4pm: Michael Batanin – Explicit Poisson bracket on total complex of n-commutative cosimplicial monoid

### 29 May 2019, Macquarie

- 2pm: Arnaud Brothier – Jones' actions of groups of fractions
- 4pm: Steve Lack – Sketching quasivarieties

### 22 May 2019, Macquarie

- 2pm: David Bulger – Seeking vocabulary and theory to describe spaces of affine symmetries
- 3:30pm: Ross Street – Polynomic rethink

### 15 May 2019, Macquarie

- 2pm: Marcy Robertson – Formality theorems and infinity-(pr)operads
- 3:45pm: Alexander Campbell – A counterexample in quasi-category theory

### 8 May 2019, Macquarie

- 2pm: Bartosz Milewski – Profunctor Optics and Doubles for Monoidal Categories
- 3:45pm: Richard Garner – Cartesian differential categories as skew-enriched categories

### 1 May 2019, Macquarie

- 2pm: Giacomo Tendas – Definable Enriched Categories
- 3:30pm: Dominic Verity – Transformations of Homotopy Coherent Monads (part 2)

### 17 April 2019, Macquarie

- 2pm: Dominic Verity – Transformations of Homotopy Coherent Monads (part 1)
- 4pm: Steve Lack – Weak adjoint functor theorems

### 10 April 2019, Macquarie

- 2pm: Michael Batanin – An explicit E_n-action on total complex of (n-1)-commutative monoid (part 2)
- 4pm: Daniel Lin – Restriction colimits and gluings

### 3 April 2019, Macquarie

- 2pm: Ramon Abud Alcala – Quantum functors a la Chikhladze turned skew
- 4pm: Michael Batanin – An explicit E_n-action on total complex of (n-1)-commutative monoid (part 1)

### 27 March 2019, Macquarie

- 2pm: Yuki Maehara – Inner horns for 2-quasi-categories
- 4pm: Sophie Raynor – An introduction to compact symmetric multicategories and problematic loops (part 3)

### 20 March 2019, Macquarie

- 2pm: Giacomo Tendas – Makkai's theorem in the enriched context
- 4pm: Robin Cockett – Hyperconnections

### 13 March 2019, Macquarie

- 2pm: Robin Cockett – Abstract topology for join restriction categories
- 4pm: Richard Garner – Inner automorphisms of groupoids

### 6 March 2019, Macquarie

- 2pm: Sophie Raynor – An introduction to compact symmetric multicategories and problematic loops (part 2)
- 4pm: Giacomo Tendas – Barr's embedding in the enriched context

### 27 February 2019, Macquarie

- 2pm: Sophie Raynor – An introduction to compact symmetric multicategories and problematic loops (part 1)
- 4pm: Ross Street – Further polynomic thoughts

### 13 February 2019, Macquarie

- 2pm: Ross Street – Polynomic thoughts
- 4pm: Steve Lack – Hopf structures, hyperplanes, and bands