Completed PhD Students

1. Mei Chee SHUM

Thesis title: Tortile Tensor Categories (Macquarie University, November 1989); published in full in Journal of Pure and Applied Algebra 93 (1994) 57-110.


2. Scott R. JOHNSON died 8 December 1988; posthumous PhD 1994;

Thesis title: Cauchy Completion in Enriched Categories (Australian National University, 1993).

Publications forming the thesis:

1. Monoidal Morita equivalence, Journal of Pure & Appl. Algebra 59 (1989) 169-177;

2. Small Cauchy completions, Journal of Pure & Appl. Algebra 62 (1989) 35-45;

3. Modulated bicategories (with A. Carboni, R. Street and D. Verity), Journal of Pure & Appl. Algebra 94 (1994) 229-282.


3. Paddy McCRUDDEN

Thesis title: Categories of Representations of Balanced Coalgebroids (Macquarie University, 22 February 1999) ; awarded a Letter of Commendation from the Dean of Graduate Students.

Publications arising from the thesis:

1. Balanced coalgebroids, Theory and Appl. of Categories 7 (2000) 71-147;

2. Categories of Representations of Coalgebroids, Advances in Math. 154 (2000) 299-332;

3. Tannaka duality for Maschkean Categories, Proceedings of the Category Theory Conference in Coimbra (July 1999), J. Pure. Appl. Algebra 168 (2002) 265-367.


4. Mark WEBER

Thesis title: Symmetric Operads for Globular Sets (Macquarie University, May 2001).


5. Isar STUBBE (principal supervisor Francis Borceux)

Thesis title: Categorical structures enriched in a quantaloid: categories and semicategories (Université Catholique de Louvain, Belgium, 2003).



Thesis title: Categories of Mackey Functors (Macquarie University, 10 April 2007;


7. Craig PASTRO

Thesis title: Hopf algebras and related structures in a categorical environment (Macquarie University, 10 June 2008).



Thesis title: Elements of enriched and quantum category theory (Macquarie University, submitted 2 July 2010; PhD awarded 28 September 2010).

Publications arising from the thesis:

1. Barr's Embedding theorem for enriched categories, Journal of Pure and Applied Algebra 215 (2011) 2148-2153.

2. Category of quantum categories, Theory and Applications of Categories 25 (2011) 1-37.

3. (with S. Lack and R. Street) Hopf monoidal comonads, Theory and Applications of Categories 24 (2010) 554-563.

4. The Tannaka representation theorem for separable Frobenius functors, Algebras and Representation Theory (accepted on 22 February 2011).


9. David OURY

Thesis title: Duality for Joyal's category $\Theta $ and homotopy concepts for ${\Theta }_{2}$-sets (Macquarie University, submitted 18 March 2011; PhD awarded 4 October 2011).

Publication arising from the thesis:

  1. On the duality between trees and disks,  Theory Appl. Categ. 24 (2010) 418-450.


10. Thomas BOOKER

Thesis title: Structures in and on monoidal categories with a view towards Tannaka duality  (Macquarie University, submitted 15 December 2011; PhD awarded 3 April 2012).

Publication arising from the thesis:

  1. Torsors, herds and flocks (with R. Street), Journal of Algebra 330 (2011) 346-374
  2. Commutative algebras in Fibonacci categories (with A. Davydov), Journal of Algebra 355 (2012) 176-204


11. Camell KACHOUR

Thesis title: Aspects of Globular Higher Category Theory (Principal Supervisor Michael Batanin; Macquarie University, PhD awarded 5 November 2013).


12. Alexander CAMPBELL

Thesis title: A higher categorical approach to Giraud's non-abelian cohomology (Macquarie University, PhD awarded 6 October 2016).


Partially supervisor of: Tim Brook PhD ANU 1974; Greg Bird PhD USyd 1984; Andrew Solomon PhD USyd 1997; Mitchell Buckley PhD Macquarie 2015.

Current Higher Degree Students (Macquarie University)

Ramon Abud Alcala (Principal supervisor Stephen Lack);

Jim Andrianopoulos (Principal supervisor Stephen Lack);

Hardy Hulley;

Christopher Nguyen (Principal supervisor Stephen Lack);

Branko Nikolic;

James Dolan;

Charles M. Walker (Principal supervisor Richard Garner)

Yuki Maehara (Principal supervisor Dominic Verity).

Visiting Masters Students

Steve Bennoun (\'Ecole Polytechnique F\`ed\'erale de Lausanne), Tannaka Duality for Comodules over a Hopf Algebra (October 2006 -- March 2007)


Jean-Baptiste Boyer (\'Ecole Normale Superieure de Cachan, antenne de Bretagne), Categories and Algebraic Topology (June 2010 -- July 2010)


Basile Pillet (\'Ecole Normale Superieure de Cachan, antenne de Bretagne), Tangle with categories: Presentation and Report (July 2011 -- August 2011)


Honours Students

Frank Sharpe, Sheaves as Generalized Sets (1973)

Colin Hill, Sets with Operations from a Categorical Point of View (1974)

Mark Weber, A Mathematical Analogy (1996)

Amy Young, Traced Monoidal Categories (June 1998)

Dilshara Abayasekara, Species of Structure (1999)

Simon Byrne, Groupoids and Stuff Types (2005)

Thomas Booker, Non-Standard Numbers as Global Sections of a Dedekind Reals Object (2007)

Mitchell Buckley, Lawvere Theories (2008)


Vacation Scholars

1994: Heidi Manning (Knot theory)

1995: Paddy McCrudden (Quantum groups) and Stephen Warburton (Links formed in fencing wire)

1996: Stuart Lawrence (String diagrams in linear algebra)

1997: Daniel O'Neil and Paul Batten (Representations of the finite general linear groups)

2001: Ryan Crompton and Thi Minh Tam Pham (The Taylor expansions of tanx and secx; also see )

2002: Ben Odgers and Hanh Nguyen Vo (Efficient development of number systems and trigonometry)

2004: James Douglas and Rony Kirollos (Number systems, TeX and categories)

2005: Simon Byrne (Quantum groups)

2006: Mitchell Buckley (String diagrams in algebra)