## Talks from 2015

Here is a list of all talks given in 2015 at the Australian Category Seminar. Click on the title for an abstract, or on the speaker's name for other talks by that speaker.

You may also view talks from
all years, or from
any of the following individual years:

1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2016
2017
2018
2019
2020
2021
2022

### 16 December 2015, Macquarie

- 2pm: Ross Street – The twisted arrow category
- 4pm: James Dolan – The moduli stack of elliptic curves

### 9 December 2015, Macquarie

- 2pm: Simona Paoli – Rigidifying weakly globular pseudo n-fold categories
- 4pm: James Dolan – Moduli stacks with and without algebraic geometry (part 2)

### 2 December 2015, Macquarie

- 2pm: Charles Walker – Local reflections between relations, spans and polynomials
- 4pm: Simona Paoli – Segalic pseudo-functors and their strictification

### 25 November 2015, Macquarie

- 2pm: Daniel Lin – Restriction free cocompletion via restriction presheaves
- 4pm: James Dolan – Moduli stacks with and without algebraic geometry (part 1)

### 11 November 2015, Macquarie

- 2pm: Simona Paoli – Weakly globular n-fold categories (part 2)
- 4pm: Roald Koudenburg – A double-dimensional approach to formal category theory (part 5)

### 4 November 2015, Macquarie

- 2pm: Roald Koudenburg – A double-dimensional approach to formal category theory (part 4)
- 4pm: Remy Tuyeras – Universal construction of models for generalised sketches (part 3)

### 28 October 2015, Macquarie

- 2pm: Simona Paoli – Weakly globular n-fold categories (part 1)
- 4pm: Remy Tuyeras – Universal construction of models for generalised sketches (part 2)

### 21 October 2015, Macquarie

- 2pm: Remy Tuyeras – Universal construction of models for generalised sketches (part 1)
- 4pm: Roald Koudenburg – A double-dimensional approach to formal category theory (part 3)

### 14 October 2015, Macquarie

- 2pm: Roald Koudenburg – A double-dimensional approach to formal category theory (part 2)
- 4pm: Alexander Campbell – Higher categorical foundations of non-abelian cohomology (part 3)

### 7 October 2015, Macquarie

- 2pm: Roald Koudenburg – A double-dimensional approach to formal category theory (part 1)
- 4pm: Alexander Campbell – Higher categorical foundations of non-abelian cohomology (part 2)

### 30 September 2015, Macquarie

- 2pm: Richard Garner – Toric varieties and manifolds a la Grandis--Cockett
- 4pm: Simona Paoli – Weakly globular pseudo n-fold categories

### 23 September 2015, Macquarie

- 2pm: Alexander Campbell – Higher categorical foundations of non-abelian cohomology (part 1)
- 4pm: James Dolan – Toposes of toric quasicoherent sheaves (part 3)

### 16 September 2015, Macquarie

- 2pm: Simona Paoli – Homotopically discrete n-fold categories (part 2)
- 4pm: James Dolan – Toposes of toric quasicoherent sheaves (part 2)

### 9 September 2015, Macquarie

- 2pm: Simona Paoli – Homotopically discrete n-fold categories (part 1)
- 4pm: James Dolan – Toposes of toric quasicoherent sheaves (part 1)

### 2 September 2015, Macquarie

- 2pm: Branislav Jurčo – Operads, homotopy algebras and strings
- 4pm: Richard Garner – Shapely monads and analytic functors on presheaf categories (part 4)

### 19 August 2015, Macquarie

- 2pm: Simona Paoli – Weak globularity: an overview (part 2)
- 4pm: Mitch Buckley – The orientals as iterated cones

### 12 August 2015, Macquarie

- 2pm: Simona Paoli – Weak globularity: an overview
- 4pm: Richard Garner – Shapely monads and analytic functors on presheaf categories (part 3)

### 5 August 2015, Macquarie

- 2pm: Richard Garner – Shapely monads and analytic functors on presheaf categories (part 2)
- 4pm: Steve Lack – Pseudo-commutativity d'apres Bourke

### 29 July 2015, Macquarie

- 2pm: Richard Garner – Shapely monads and analytic functors on presheaf categories (part 1)
- 4pm: James Dolan – Galois theory for beginners (part 3)

### 22 July 2015, Macquarie

- 2pm: Steve Lack – Hochschild cohomology and paracyclic structures (part 2)
- 4pm: Ross Street – Tambara's work on finite categories (part 2)

### 15 July 2015, Macquarie

- 2pm: Steve Lack – Hochschild cohomology and paracyclic structures (part 1)
- 4pm: Ross Street – Tambara's work on finite categories (part 1)

### 8 July 2015, Macquarie

- 2pm: Richard Garner – An embedding theorem for tangent categories
- 4pm: James Dolan – Galois theory for beginners (part 2)

### 1 July 2015, Macquarie

- 2pm: James Dolan – Galois theory for beginners (part 1)
- 4pm: Ross Street – The free mixed distributive law

### 3 June 2015, Macquarie

- 2pm: Poon Leung – Towards an extended tangent structure
- 4pm: Ramon Abud Alcala – Coalgebroids and their comodules

### 27 May 2015, Macquarie

- 2pm: Paul Slevin – Paracyclic objects
- 4pm: Remy Tuyeras – Free (co)completion without Yoneda

### 20 May 2015, Macquarie

- 2pm: Matthew Burke – Lie's second theorem in the Cahiers topos
- 4pm: Richard Garner – Synthetic differentiation of species

### 13 May 2015, Macquarie

- 2pm: Matthew Burke – Jet categories in the Cahiers topos
- 4pm: Richard Garner – The Campbell--Baker--Hausdorff adjunction

### 6 May 2015, Macquarie

- 2pm: Ross Street – A skew view of lax algebras
- 4pm: James Dolan – Algebraic geometry for category theorists: toric varieties (part 3)

### 29 April 2015, Macquarie

- 2pm: James Dolan – Algebraic geometry for category theorists: toric varieties (part 2)
- 4pm: Richard Garner – When coproducts are biproducts

### 22 April 2015, Macquarie

- 2pm: Steve Lack – Another Catalan simplicial set
- 4pm: James Dolan – Algebraic geometry for category theorists: toric varieties

### 15 April 2015, Macquarie

- 2pm: James Dolan – Algebraic geometry for category theorists: the projective line in detail (part 3)
- 4pm: Paul Slevin – Cyclic homology from adjunctions

### 8 April 2015, Macquarie

- 2pm: Steve Lack – Skew collages
- 4pm: Richard Garner – Remarks on crossed internal categories in toposes

### 1 April 2015, Macquarie

- 2pm: Richard Garner – How not to enrich over a duoidal category
- 4pm: James Dolan – Algebraic geometry for category theorists: the projective line in detail (part 2)

### 25 March 2015, Macquarie

- 2pm: Joachim Kock – Schmitt's restriction species, and a related general construction of decomposition spaces
- 4pm: Steve Lack – The Catalan simplicial set strikes again

### 18 March 2015, Macquarie

- 2pm: Joachim Kock – Decomposition spaces and incidence algebras
- 4pm: Mark Weber – Props from operads via codescent

### 11 March 2015, Macquarie

- 2pm: Joachim Kock – Graphs, hypergraphs and properads (part 2)
- 4pm: James Dolan – Algebraic geometry for category theorists: the projective line in detail (part 1)

### 4 March 2015, Macquarie

- 2pm: Joachim Kock – Graphs, hypergraphs and properads (part 1)
- 4pm: Mark Weber – Codescent for crossed internal categories

### 25 February 2015, Macquarie

- 2pm: Joachim Kock – Joyal theorems for homotopical species
- 4pm: Michael Batanin – Model structures on algebras of operads

### 18 February 2015, Macquarie

- 2pm: James Dolan – Algebraic geometry for category theorists: commutative monads and belief doctrines (part 2)
- 4pm: Ross Street – Weighted convolution of Joyal species, and related concepts (part 2)

### 4 February 2015, Macquarie

- 2pm: Ross Street – Weighted convolution of Joyal species, and related concepts (part 1)
- 4pm: James Dolan – Algebraic geometry for category theorists: commutative monads and belief doctrines (part 1)

### 21 January 2015, Macquarie

- 2pm: Richard Garner – An efficient construction of the orientals
- 4pm: James Dolan – Algebraic geometry for category theorists: a catalog of algebro-geometric theories (part 2)

### 14 January 2015, Macquarie

- 2pm: Ross Street – A factorization for closed functors
- 4pm: James Dolan – Algebraic geometry for category theorists: a catalog of algebro-geometric theories (part 1)

### 7 January 2015, Macquarie

- 2pm: Alexei Davydov – Lagrangian Algebras in Braided Categories
- 4pm: James Dolan – Algebraic geometry for category theorists