Sturm's operator for scalar weight in arbitrary genus
  In contrast to the wellknown cases of large weights, Sturm's operator does not realize the holomorphic projection operator for lower weights. We prove its failure for arbitrary Siegel genus $m\geq 2$ and scalar weight $\kappa=m+1$. This generalizes a result for genus two in [4]. 
Kathrin Maurischat
math.NT