"The Optiverse" and other sphere eversions

$C_k$-moves on spatial theta-curves and Vassiliev invariants

$L^2$--eta--invariants and their approximation by unitary eta--invariants

$L^2$-signatures, homology localization, and amenable groups

$L^2$-topology and Lagrangians in the space of connections over a Riemann surface

$L^2$-torsion invariants and the Magnus representation of the mapping class group

$p$-adic framed braids II

$SL_2(\mathbb{C})$-Character Variety of a Hyperbolic Link and Regulator

$S^2$-bundles over 2-orbifolds

$z$-Classes of Isometries of The Hyperbolic Space

$\barμ$ invariant of nanophrases]{$\barμ$ invariant of nanophrases

$\ell^2$-homology and planar graphs

$\mathbb{Z}_n$-manifolds in 4-dimensional graph-manifolds

$\triangle Y$-exchanges and the Conway-Gordon theorems

(-2,3,7)-pretzel knot and Reebless foliation

(1,1)-knots via the mapping class group of the twice punctured torus

(Bounded) continuous cohomology and Gromov proportionality principle

(Disk, Essential surface) pairs of Heegaard splittings that intersect in one point

(t,s)-racks and their link invariants

0-efficient triangulations of 3-manifolds