Volume L (2009)

Issue 1 I Issue 2 I Issue 3 I Issue 4

Issue 1 dedicated to Jirí Adámek
Representability relative to a doctrine
Pages 3-22
Panagis Karazeris, Jirí Velebil

Equational properties of recursive program scheme solutions
Pages 23-66
Stefan Milius, Lawrence S. Moss

On boundedness and small-orthogonality classes
Pages 67-79
Lourdes Sousa

Issue 2
A note on the Penon definition of n-category
Pages 83-101

Eugenia Cheng, Michael Makkai

The role of symmetries in cubical sets and cubical categories (I)
Pages 102-143
Marco Grandis

Klein’s group as a borromean object
Pages 144-155
René Guitart

On the paper “Definable completeness”
Page 156
Marta Bunge, Jonathon Funk, Mamuka Jibladze, Thomas Streicher

Issue 3 dedicated to Francis Borceux
Pages 163-170

Covering morphisms and normal extensions in Galois structures associated with torsion theories
Pages 171-188
Marino Gran, George Janelidze

Infinitary linear combinations in reduced cotorsion modules
Pages 189-210
Reinhard Börger, Ralf Kemper

Centralizers in action accessible categories
Pages 211-232
Dominique Bourn, George Janelidze

Are all cofibrantly generated model categories combinatorial?
Pages 233-238
Jirí Rosický

Issue 4 dedicated to Francis Borceux
Limits in symmetric cubical categories (On weak cubical categories, II)
Pages 242-272
Marco Grandis

On quasi-equations in locally presentable categories
Pages 273-297
Jirí Adámek, Hebert

Closedness properties of internal relations, VI: approximate operations
Pages 298-319
Zurab Janelidze