On the characteristic and deformation varieties of a knot

Periodicity of Goussarov--Vassiliev knot invariants

Bocksteins and the nilpotent filtration\\ on the cohomology of spaces

Manifolds at and beyond the limit of metrisability

Reconstructing 4-manifolds from Morse 2-functions

Almost linear actions by finite groups on $S^{2n-1}$

Drinfeld modules and local fields of positive characteristic

Open book decompositions versus prime factorizations of closed, oriented 3-manifolds

Quantum invariants of periodic three-manifolds

Realizing families of Landweber exact homology theories

Symplectic structures from Lefschetz pencils in high dimensions

A classification of special $2$--fold coverings

Some quadratic equations in the free group of rank 2

Problems

Small surfaces and Dehn filling

Filtering the fiber of the pinch map

At most 27 length inequalities define Maskit's fundamental domain for the modular group in genus 2

String topology of Poincar\'e duality groups

Homological algebra of knots and BPS states

Deformation Quantisation of Poisson manifolds