2 problems

Let $(S,[D]_c,\mathcal{L},\nabla)$ be the data used in the generalized Feix–Kaledin construction, and let $M$ be the resulting manifold. Let $k$ be the dimension of the subalgebra…

Let $(M,J,g)$ be a compact Kähler manifold. An essential c-projective vector field is a vector field whose flow preserves $J$-planar curves but changes the connection. Yano–Obata c…