Sommaire du Fascicule no. 1

Groups in the category of f-manifolds
p. 1
Reducing hyperarithmetic sequences
p. 5
On Δ-spaces and fundamental dimension in the sense of Borsuk
p. 13
Kurepa's hypothesis and the continuum
p. 23
Results and problems concerning compactifications, compact subtopologies, and mappings
p. 33
Infinite dimensional non-symmetric Borsuk-Ulam theorem
p. 45
Wide tree-like spaces have a fixed point
p. 51
On the fundamental dimension of approximatively 1-connected compacta
p. 61
Compact metric spaces have binary bases
p. 81

Sommaire du Fascicule no. 2

On the rim-types of hereditarily locally connected continua
p. 93
Projections of knots
p. 99
Two notes on abstract model theory. II. Languages for which, the set of valid sentences is semi-invariantly implicitly definable
p. 111
On some functional equations with a restricted domain
p. 131
A set-theoretical equivalent of the prime ideal theorem for Boolean algebras
p. 151
Core structures for theories
p. 155
Closure-preserving families of finite sets
p. 173
Proper shape retracts
p. 177

Sommaire du Fascicule no. 3

Substructures of reduced powers
p. 191
Applications of a mismatch, theorem to decomposition spaces
p. 199
Examples of statisch and finite-statisch AC-lattices
p. 225
A characterization of MAR and MANR-spaces by extendability of mutations
p. 229
Curves which are continuous images of tree-like continua are movable
p. 233
A topological collapse number for all spaces
p. 261
Connectivity points and Darboux points of real functions
p. 265