Sommaire du Fascicule no. 1

Contents
Weak convergence in Hoffmann-Jorgensen sense
p. 3-10
A note on multivalued Baire category theorem
p. 11-15
About the heart of a hypergroup
p. 17-29
Bijective reflexions and coreflexions of commutative unars
p. 31-40
Groupoids and the associative law XII. (Representable cardinal functions)
p. 41-62

Sommaire du Fascicule no. 2

Foreword
Equality of coarse topologies in inverse transformations
p. 3-5
Some applications of game determinacy
p. 7-23
Smoothness in ${\Cal L}(C(X), C(Y))$
p. 25-28
1-Improvable discontinuous functions
p. 29-35
A topology generated by eventually different functions
p. 37-53
Operators with extension property and the principle of local reflexivity
p. 55-63
On some descriptive characterizations of the $n^{-1}$-property
p. 65-69
On the scooping property of measures by means of disjoint balls
p. 71-82
On a conjecture of L. Veselý
p. 83-87
A note on almost disjoint refinement
p. 89-99