Twistorial constructions of harmonic morphisms and Jacobi fields

Twistorial constructions of spacelike surfaces in Lorentzian 4-manifolds

Twistorial harmonic morphisms with one-dimensional fibres on self-dual four-manifolds

Twistorial maps between quaternionic manifolds

Twistors and 3-symmetric spaces

Twistors of Almost Quaternionic Manifolds

Twistors, 4-symmetric spaces and integrable systems

Two Categories of Dirac Manifolds

Two classes of slant surfaces in nearly Kahler six sphere

Two constructions with parabolic geometries

Two dimensional disjoint minimal graphs

Two dimensional Einstein-Weyl structures

Two Gauss-Bonnet and Poincaré-Hopf Theorems for Orbifolds with Boundary

Two generalizations of Cheeger-Gromoll splitting theorem via Bakry-Émery Ricci curvature

Two Kazdan-Warner type identities for the renormalized volume coefficients and the Gauss-Bonnet curvatures of a Riemannian metric

Two lectures on local riemannian geometry, $Spin^{\C}$ - structures and Seiberg - Witten equation

Two new proofs of the differential family index theorem

Two non existence results for the self-similar equation in Euclidean 3-space

Two nonrelated Finsler structures on a manifold

Two remarks on $PQ^ε$-projectivity of Riemannian metrics