This entry is about the proceedings volume for the 1990 conference on category theory in Como:
The preface is
Contents:
J. Adámek, J. Rosický, What are locally generated categories?, 14–19
J. Bénabou, Some remarks on free monoids in a topos, 20–29
F. Borceux, G. van den Bossche, A generic sheaf representation for rings, 30–42
D. Bourn, Normalization equivalence, kernel equivalence and affine categories, 43–62
S. Carmody, R. F. C. Walters, Computing quotients of actions of a free category, 63–78
A. M. Cegarra, A. R. Garzon, A long exact sequence in non-abelian cohomology, 79–94
P. J. Freyd, Algebraically complete categories, 95–104
J. W. Gray, Order-enriched sketches for typed lambda calculi, 105–130
J. M. E. Hyland, First steps in synthetic domain theory, 131–156
G. Janelidze, Precategories and Galois theory, 157–173
G. Janelidze, W. Tholen, How algebraic is the change-of-base functor?, 174–186
C. B. Jay, Fixpoint and loop constructions as colimits, 187–192
P. Johnstone, S. Vickers, Preframe presentations present, 193–212
A. Joyal, M. Tierney, Strong stacks and classifying spaces, 213–236 (pdf)
(on (2,1)-sheaves and 2-sheaves).
S. Kasangian, S. Vigna, Trees in distributive categories, 237–248
G. M. Kelly, A note on relations relative to a factorization system, 249–261
A. Kock, Algebras for the partial map classifier monad, 262–278
F. W. Lawvere, Intrinsic co-Heyting boundaries and the Leibniz rule in certain toposes, 279–281
(see also at co-Heyting algebra)
J. L. Macdonald, Concretely functorial programming, 282–297
S. B. Niefield, Weak products over a locally Hausdorff locale, 298–305
Duško Pavlović, Categorical interpolation: descent and the Beck-Chevalley condition without direct images, 306–325
J. Power, An -categorical pasting theorem, 326–358
(on pasting in n-categories).
G. E. Reyes, H. Zolfaghari, Topos-theoretic approaches to modality, 359–378
(on modal logic in topos theory).
S. H. Schanuel, Negative sets have Euler characteristic and dimension, 379–385
M. Thiébaud, Modular categories, 386–400
J. J. C. Vermeulen, Some constructive results related to compactness and the (strong) Hausdorff property for locales, 401–409
A. Joyal, R. Street, An introduction to Tannaka duality and quantum groups, 413–492
About the geographic place see Wikipedia: Como and the conference centre: Villa Olmo.
In 2018, a school and conference on topos theory was hosted in Como (video playlist).
Last revised on December 22, 2025 at 17:02:23. See the history of this page for a list of all contributions to it.