Sommaire

Foreword
p. 3-4
Solutions with big graph of iterative functional equations of higher orders
p. 5-12
Thin ultrafilters
p. 13-19
Compact Boolean algebras
p. 21-26
On Scheepers' conjecture
p. 27-31
Some remarks on non-special coherent Aronszajn trees
p. 33-40
Some properties of multiplication in the algebra $C(X)$ related to the dimension of $X$
p. 41-45
On invariant CCC $\sigma$-ideals
p. 47-49
On Shapley KKMS theorem
p. 51-54
On the groupwise density number for filters
p. 55-63
Questions
p. 65-66
Regular closure and corresponding ${\Cal P}_K \lambda$ versions of $\diamondsuit$ and $\clubsuit$
p. 67-76
On Aumann's theorem that the circle does not admit a mean
p. 77-82
A note on weak distributivity and continuous restrictions of Borel functions
p. 83-85