Geodesic

Sommaire du Fascicule no. 30

Preface
p. 5
An introduction to higher walks
p. 7
The bounding number $\mathfrak b$ and quotients in Banach spaces
p. 73
Proxy principles in combinatorial set theory
p. 89
Ultrafilters and the Katětov order
p. 137
Why the cone groups can be isomorphic
p. 177
Tukey reducibility for categories -- In search of the strongest statement in finite Ramsey theory
p. 193
Realizing arbitrarily large spectra of $\mathfrak a_{\mathrm T}$
p. 217
From descriptive to distributed
p. 261
A survey on big Ramsey structures
p. 317
Set theory and Turing degrees
p. 357
Order structure of P-point ultrafilters and their relatives
p. 375
Squares, ultrafilters and forcing axioms
p. 411
The complexity of non-stationary ideals
p. 449
$L$ spaces with additional structure
p. 475
A survey on divisibility of ultrafilters
p. 491
Applications of the side condition method
p. 511