All Siegel Hecke eigensystems (mod p) are cuspidal
by A. Ghitza
*Math. Res. Letters* **13**, no. 5 (2006), 813-823.
We show that systems of Hecke eigenvalues occurring in the spaces of Siegel modular forms are the same as the systems occurring in the spaces of Siegel cusp forms, of possibly different weight.