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Workshop on Categorical Structures for Descent and Galois Theory, Hopf Algebras and Semiabelian Categories
September 23-28, 2002
Fields Institute
Toronto, ON, Canada

Organizers
George Janelidze, Georgian Academy of Sciences, Bodo Pareigis, University of Munich, Walter Tholen, York University

Abstracts

This is an archive of abstracts accepted to this conference. For more listing and sorting options, see the active list.

Michael Barr A survey of homology theories
Francis Borceux Normal subobjects and semi-direct products in normally Mal'cev varieties
Dominique Bourn Intrinsic centrality and associated classifying properties
Ronald Brown Multiple groupoids as a non abelian tool for local-to-global problems
Marta Bunge Covering morphisms in topos theory
Stefaan Caenepeel Galois theory for corings and cleft entwining structures
Aurelio Carboni Fully embedding (sober) topological spaces in a category of coalgebras with a sequence of three universal constructions
Maria Manuel Clementino Exponentiability in categories of lax algebras
Peter Freyd Algebraic real analysis
Marino Gran Categorical structures and commutator theory
Claudio Hermida Fibrations and Yoneda structure for multicategories
Dirk Hofmann Descent theory for lax algebras
Johannes Huebschmann Lie-Rinehart algebras, descent, and quantization
Andre Joyal The theory of quasi-categories
G. M. (Max) Kelly On flexibility for 2-monads
Masoud Khalkhali On cohomology of Hopf algebroids
Stephen Lack A van Kampen theorem for toposes
F. William Lawvere Exponentiation and nonlinear homology
L Gaunce Lewis Applications of Galois Theory to Mackey functors and equivariant homotopy theory
Gábor Lukács On locally compact c-compact groups
Andy R. Magid Galois theories in categories: separable, differential, and difference algebra
Michael Makkai Computads, cellular sets, and multitopic sets
N. Martins-Ferreira Internal bicategories in additive categories with kernels
Akira Masuoka Hopf cohomology vanishing brought by approximating Hochschild cohomology
Luca Mauri Homotopy models and localisations
Bachuki Mesablishvili Pure morphisms of schemes
Michael Müger Categorical structures in (the representation theory of) conformal field theory
Robert Paré The topos of ``cocommutative coalgebras''
Hans-E. Porst Covarieties of coalgebras
Dieter Pumplün The category of convex modules
B. Rangipour A new cyclic module for Hopf algebras
Pedro Resende From algebras to quantales and back
Ana Helena Roque Effective descent morphisms in some quasivarieties of algebraic, relational, and more general structures
Peter Schauenburg Monoidal category theory applied to quasi-Hopf algebras
Karl-Georg Schlesinger Trialgebraic deformations of Hopf algebras and a universal symmetry on extended topological quantum field theories
Jonathan D. H. Smith Extension theory of Maltsev algebras
Manuela Sobral Overview of topological descent theory
Lurdes Sousa On injective objects and algebras of a monad
Mihai D. Staic Pure braided Hopf algebras and knot invariants
Ross Street Formal representation theory
Mitsuhiro Takeuchi Radford-Majid bosonization via Schauenburg equivalence
Myles Tierney The role of groupoids in homotopy theory
Enrico Vitale A little bit of homological algebra for categorical groups
Mark Weber Towards a description of weakly symmetric monoidal n-categories
João J. Xarez The monotone-light factorization for categories via orders and preorders
Shigeru Yamagami Hopf algebra symmetries in tensor categories