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Applied Categorical Structures

Issue 5-6/2014

Special Issue in Honour of Professor George Janelidze, on the occasion of his 60th birthday. Proceedings of the "Workshop on Category Theory", an international conference at the Universidade de Coimbra, July 9-13, 2012

Content (20 Articles)

Foreword

Maria Manuel Clementino, Marino Gran, Manuela Sobral, Ross Street, Walter Tholen

Semidirect Products and Split Short Five Lemma in Normal Categories

Nelson Martins-Ferreira, Andrea Montoli, Manuela Sobral

Notes on Exact Meets and Joins

Richard N. Ball, Jorge Picado, Aleš Pultr

Descent in Locally Presentable Categories

Bachuki Mesablishvili

Isocompactness in the Category of Locales

T. Dube, I. Naidoo, C. N. Ncube

A Method for Constructing Coreflections for Nearness Frames

John Frith, Anneliese Schauerte

On the Form of Subobjects in Semi-Abelian and Regular Protomodular Categories

Zurab Janelidze

Covering Morphisms in Categories of Relational Algebras

Maria Manuel Clementino, Dirk Hofmann, Andrea Montoli

A Skew-Duoidal Eckmann-Hilton Argument and Quantum Categories

Stephen Lack, Ross Street

The Cuboid Lemma and Mal’tsev Categories

Marino Gran, Diana Rodelo

A Galois-Theoretic Approach to the Covering Theory of Quandles

Valérian Even

Two Ways to Centralizers of Equivalence Relations

Dominique Bourn

Composites of Central Extensions Form a Relative Semi-Abelian Category

Tamar Janelidze-Gray

Contractible Exact Squares

René Guitart

A Decomposition Formula for the Weighted Commutator

Nelson Martins-Ferreira, Tim Van der Linden

Nullstellen and Subdirect Representation

Walter Tholen

A Push Forward Construction and the Comprehensive Factorization for Internal Crossed Modules

Alan S. Cigoli, Sandra Mantovani, Giuseppe Metere

Higher Central Extensions in Mal’tsev Categories

Tomas Everaert

Normalizers, Centralizers and Action Representability in Semi-Abelian Categories

J. R. A. Gray

Approximate Hagemann–Mitschke Co-operations

Diana Rodelo, Tim Van der Linden

Aug 14
Issue: 4/2014
Feb 15
Issue: 1/2015

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