# Alexander Campbell

Here is a list of talks given by Alexander Campbell at the Australian Category Seminar. Click on the title of a talk for an abstract.

- What is an ∞-topos? – 13 October 2021
- What is a stable ∞-category? – 15 September 2021
- On homotopy coherent natural transformations (part 3) – 14 July 2021
- On homotopy coherent natural transformations (part 2) – 7 July 2021
- On homotopy coherent natural transformations (part 1) – 16 June 2021
- On weighted homotopy limits in Kan-enriched categories – 26 May 2021
- What is a homotopy epimorphism? – 28 April 2021
- A convenient model category for tricategories (part 2) – 7 April 2021
- A convenient model category for tricategories (part 1) – 24 March 2021
- The model category of distinguished Gray-categories – 3 March 2021
- How nice is the category of condensed sets? – 16 December 2020
- A model-independent construction of the Gray monoidal structure for (∞,2)-categories – 14 October 2020
- Straightening a la Joyal – 29 July 2020
- The folk model structure for double categories – 17 June 2020
- Joyal's cylinder conjecture (part 4) – 6 November 2019
- Joyal's cylinder conjecture (part 3) – 30 October 2019
- Joyal's cylinder conjecture (part 2) – 16 October 2019
- Joyal's cylinder conjecture (part 1) – 9 October 2019
- Equivalences of complicial sets (part 2) – 4 September 2019
- Equivalences of complicial sets (part 1) – 28 August 2019
- 2-quasi-categories vs Segal 2-categories – 5 June 2019
- A counterexample in quasi-category theory – 15 May 2019
- The cubical enrichment of Cisinski model categories – 7 November 2018
- On truncated quasi-categories (part 2) – 24 October 2018
- The fundamental theorem of n-quasi-category theory – 26 September 2018
- On truncated quasi-categories – 19 September 2018
- A skeleton key to Lurie's higher Grothendieck constructions – 22 August 2018
- The model category of algebraically cofibrant 2-categories (part 1) – 15 August 2018
- The model category of algebraically cofibrant 2-categories (part 2) – 15 August 2018
- Bicategories vs Rezk's weak 2-categories (part 2) – 6 June 2018
- Bicategories vs Rezk's weak 2-categories (part 1) – 30 May 2018
- Joyal's model structure for quasi-categories is symmetric simplicial – 9 May 2018
- Fiat lax – 21 March 2018
- Change of base for enriched model categories – 14 February 2018
- A homotopy coherent cellular nerve for bicategories – 24 January 2018
- Strictification of indexed bicategories – 1 November 2017
- How strict is strictification?, part 2 – 11 October 2017
- The 2-stack of stacks – 27 September 2017
- Skew-proactegories – 9 August 2017
- Enriched weak algebraic factorization systems (part 2) – 28 June 2017
- Enriched weak algebraic factorization systems (part 1) – 21 June 2017
- Skew categories, skew actegories – 26 April 2017
- How strict is strictification? – 29 March 2017
- Verdier's hypercovering theorem in higher topos theory – 19 October 2016
- A factorisation system for indexed pseudofunctors – 12 October 2016
- A slightly incoherent approach to 2-stacks (part 2) – 16 March 2016
- A slightly incoherent approach to 2-stacks (part 1) – 9 March 2016
- Higher categorical foundations of non-abelian cohomology (part 3) – 14 October 2015
- Higher categorical foundations of non-abelian cohomology (part 2) – 7 October 2015
- Higher categorical foundations of non-abelian cohomology (part 1) – 23 September 2015
- Combinatorial aspects of higher-dimensional algebra – 19 November 2014
- Parity complexes redux (part 2) – 11 June 2014
- Parity complexes redux (part 1) – 14 May 2014