JOURNAL OF PURE AND
APPLIED ALGEBRA ELSEVIER Journal of Pure and Applied Algebra 168 (2002) iii-iv
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CATEGORY THEORY 1999
Selected papers, Conference held in Coimbra in honour of the 90th birthday of Saunders Mac Lane
CONTENTS
Preface 125 5. Mac Lane
Samuel Eilenberg and Categories 127 D. Bourn
Aspherical abelian groupoids and their directions 133 P. Carrasco, A.M. Cegarra, A.R. Grandjean
(Co)Homology of crossed modules 147 Y. Diers
Topological geometrical categortes 177 /. Moerdijk
Monads on tensor categories 189 F. Marmolejo, R.D. Rosebrugh, R.J. Wood
A basic distributive law 209 L. Santocanale
Free /^-lattices 227 P. McCrudden
Tannaka duality for Maschkean categories 265 T. Plewe
Sublocale lattices 309 6. Banaschewski
Functorial maximal spectra 327 S.E. Crans
Higher-dimensional Mac Lane's pentagon and Zamolodchikov
equations 347 G. Janelidze, L. Marki, W. Tholen
Semi-abelian categories 367 M.M. Clementine
On finite triquotient maps 387
iv Journal of Pure and Applied Algebra 168 (2002) iii-iv
T. Leinster
Generalized enrichment of categories 391 C.T. Snydal
Relaxed multicategory structure of a global category of rings and
modules 407 F.W. Lawvere
Linearization of graphic toposes via Coxeter groups 425 Author Index Volume 168 437
