3-dimensional affine hypersurfaces admitting a pointwise SO(2)- or Z_3-symmetry

3-dimensional Cauchy-Riemann structures and 2nd order ordinary differential equations

3-forms and almost complex structures on 6-dimensional manifolds

3-Manifolds admitting toric integrable geodesic flows

3-manifolds which are spacelike slices of flat spacetimes

3-manifolds with nonnegative Ricci curvature

3-Manifolds with Positive Flat Conformal Structure

3-Manifolds with Yamabe invariant greater than that of $\RP^3$

3-manifolds with(out) metrics of nonpositive curvature

3-quasi-Sasakian manifolds

3-Sasakian Geometry, Nilpotent Orbits, and Exceptional Quotients

3-Sasakian manifolds in dimension seven, their spinors and G_2 structures

3-Sasakian manifolds, 3-cosymplectic manifolds and Darboux theorem

3-submersions from QR-hypersurfaces of quaternionic Kaehler manifolds