





|
|
Categorical Methods in Algebra and Topology -- Supported
by NSERC Recent Books
 |
Categorical Foundations. Special Topics in Order, Topology, Algebra,
and Sheaf Theory, Edited by Maria-Cristina Pedicchio and Walter Tholen.
Encyclopedia of Mathematics and Its Applications 97, Cambridge University
Press 2004. |
 |
Galois Theory, Hopf Algebras, and Semiabelian Categories, Edited by
George Janelidze, Bodo Pareigis and Walter Tholen. Fields Institute
Communications 43, American Mathematical Society 2004. |

Recent Research Articles
 | On the categorical meaning of Hausdorff and Gromov distances, I , with
Andrei Akhvlediani and Maria Manuel Clementino, Topology and its
Applications,
pdf |
 | Ordered topological structures, Topology and its Applications
156 (2009) 2149-2157, pdf |
 | Ideal-determined categories, with G. Janelidze, L. Marki and A. Ursini.
pdf |
 | Strongly separable morphisms in general categories, with G. Janelidze.
pdf |
 | Injectivity versus exponentiability, Cahiers Topologie Géom. Différentielle
Catégoriques 59 (2008) 228-240.
pdf |
 | Lawvere completion and separation via closure, Applied Categorical
Structures, with Dirk Hofmann.
pdf |
 | A topologist's view of Chu spaces, Applied Categorical Structures
15 (2007) 573-598, with Eraldo Giuli.
pdf |
 | Factorization, fibration and torsion, J. Homotopy Theory and
Related Structures (to appear), with J. Rosicky'.
pdf |
 | Natural weak factorization systems, Archivum Mathematicum 42
(2006) 397-408, with Marco Grandis.
pdf |
 | Characterization of torsion theories in general categories,
Contemporary Mathematics (to appear), with
George Janelidze. pdf,
ps. |
 | Torsion theories and radicals in normal categories, Journal of
Algebra 305 (2006) 98-129, with M. M. Clementino and D. Dikranjan.
pdf. |
 | Universality of coproducts in categories of lax algebras, Applied
Categorical Structures 14 (2006) 243-249, with M. Mahmoudi and C. Schubert.
pdf.
|
 | Facets of descent III: Monadic descent for rings and algebras,
Applied Categorical Structures 12 (2004) 461-477, with G. Janelidze ps,
pdf. |
 | Classification of closure operators for categories of topological
spaces. In: Categorical Structures and Their Applications, edited
by W. Gähler and G. Preuss, pp69-98 (World Scientific, Singapore 2004),
with D. Dikranjan and S. Watson.
pdf,
ps. |
 | Kleisli operations for topological spaces, Topology and its Applications
153 (2006) 2952-2961, with D.
Hofmann pdf.
|
 | Descent Equivalence, Cahiers Topologie Géom. Différentielle
Catégoriques 44 (2004) 301-352, with X. Guo and M. Sobral.
ps,
pdf. |
 | One setting for all: metric, topology, uniformity, approach structure,
Applied Categorical Structures 12 (2004) 127-154, with M. M. Clementino and D. Hofmann.
pdf. |
 | Exponentiability in categories of lax algebras, Theory and
Applications of Categories 11 (2003) 337-352, with M. M. Clementino
and D. Hofmann.
pdf. |
 | The convergence approach to exponentiable maps, Math. Portugaliae
60 (2003) 139-160, with M.M. Clementino and D. Hofmann.
pdf |
 | Left-determined model categories and universal homotopy theories
Transactions American Math. Soc. 355 (2003) 13-47, with J. Rosicky'.
ps,
pdf. |
 | Semi-abelian categories, J. Pure Appl. Algebra 168 (2002)
367-386, with G. Janelidze and L. Ma'rki.
ps |
 | Weak factorization systems and topological functors, Appl.
Categorical Structures 10 (2002) 237-249, with J. Ada'mek, H. Herrlich,
and J. Rosicky'. ps
|
 | Lax Factorization Algebras J. Pure Appl. Algebra 175 (2002)
355-382 with J. Rosicky'.
ps,
pdf. |
 | Injective hulls are not natural, Algebra Universalis 48 (2002)
379-388 with J. Ada'mek, H. Herrlich and J. Rosicky'.
ps |
 | On a generalized Small-Object Argument for the Injective Subcategory
Problem, Cahiers Topologie Geom. Differentielle Categoriques 43
(2002) 83-106, with J. Ada'mek, H. Herrlich, and J. Rosicky'.
ps |
 | Free Quillen factorization systems, Georgian J. Math. 9 (2002)
807-820, with A. Pultr.
pdf. |
 | Essential weak factorization systems Contributions to General
Algebra 13 (2001) 321-333.
ps |
 | Perfect Maps are exponentiable - categorically", Theory Appl.
Categories 8 (2001) 321-333, with G\"unther Richter.
ps |
 | A note on local compactness, Rendiconti Ist. Mat. Univ. Trieste
Suppl. 2, 32 (2001) 17-31, with M.M. Clementino.
ps |
 | Atlantis Preface
Introduction I II
III
IV V
VI VII
VIII |

General Mathematical Interest Articles
 | Saunders Mac Lane 1909-2005, Meeting a Grand Leader. Scientiae
Matematicae Japonicae 19 (2006) 13-24 pdf
|
 | Mathematics: Beauty and the Beast. ppt
|

Recent and Future Conferences
 | Category Theory
2006 (CT06), White Point (Nova Scotia), 25 June - 01 July 2006,
Dalhousie University, organized by Robert Dawson, Dorette Pronk and Peter
Selinger. Presentation:
Mac Lane and
Factorizations . |
 |
Summer Conference on Topology and Its Applications, Satesboro GA, 6-9
July 2006, Georgia Southern University, organized by Martha Abell, Francis
Jordan, Frederic Mynard, and Sze-Man Ngai. Presentation:
Macro- and Micro-Aspects of Categorical Topology . |
 | Summer School on Contemporary Categorical Methods in Algebra and
Topology, Haute-Bodeux (Belgium), 3-10 June 2007, Université
Catholique de Louvain, organized by Francis Borceux. Lectures on
Lax-algebraic methods in General Topology:
Lecture 1, Lecture 2. |
 | Category Theory 2007 (CT07), Algarve (Portugal),
17-23 June, University of the
Algarve, organized by Diana Rodelo et al. Presentation:
Topology for V-categories and (T,V)-categories. |
 | Categorical Methods in
Algebra, Topology and Computer Science, Coimbra (Portugal), 26-28
October 2007, University of Coimbra, organized by Maria Manuel Clementino
and Lurdes Sousa. |
 | Mathematical
Applications of Category Theory, London (Ontario), 8-10 December 2007,
Special Session at the Winter Meeting of the Canadian Mathematical
Society, organized by F. William Lawvere and Walter Tholen. |
 | Aspects of Contemporary Topology III, Antwerp (Belgium), 9-15 December 2007,
University of Antwerp, organized by Eva Colebunders , Bob Lowen, Mark
Sioen and Stijn Verwulgen. |
 | Advances in
Set-Theoretic Topology, Erice (Sicily, Italy), 9-19 June 2008,
International School of Mathematics "G. Stampacchia", organized by Gino
Tironi et al. |
 | International Category Theory Conference (CT08), Calais (France),
23-28 June 2008, Université du Littoral,
organized by Dominique Bourn and Marino Gran. Presentation: Injectivity,
exponentiability, and completeness (Slides
1-4,
5-8, 9-12,13-16,
17-20,
21-24,
25-27). |
 | Conference in Honour of Francis Borceux and Dominique Bourn, Brussels
(Belgium), 10-11 October 2008. Organized by Marino Gran, Rudger Kieboom
and Enrico Vitale. Presentation: On the categorical meaning of Hausdorff
and Gromov distances (Slides 0-2,
3-6,
7-11). |
 | 88th Peripatetic
Seminar on Sheaves and Logic - in Honour of Martin Hyland and Peter
Johnstone, Cambridge (UK), 4-5 April 2009. Organized by Eugenia Cheng and
Andy Pitts. |
 | International Conference in Category
Theory (CT09), 29 June - 4 July 2009, University of Cape Town (South
Africa). Organized by George Janelidze et al. |
 | 24th Summer Conference on Topology and its Applications, Brno (Czech
Republic), 14-17 July 2009. Organized by Josef Slapal. |
|