The geometry of pseudo harmonic morphisms.
The Gluck and Ziller problem with the euclidean metric
The Nonlinear Connections and Harmonicity.
Torsion, curvature and deflection -tensors on .
Twisteurs et applications harmoniques en dimension 4
Twistor fibrations giving primitive harmonic maps of finite type.
Variations of (para-)Hodge structures and their period maps in tt*-geometry.