Cofinalities of Marczewski-like ideals
  We show that the cofinalities of both the Miller ideal m^0 (the sigma-ideal naturally related to Miller forcing) and the Laver ideal ell^0 (related to Laver forcing) are larger than the size of the continuum in ZFC. 
Joerg Brendle, Yurii Khomskii, and Wolfgang Wohofsky
math.LO