239 citations
2 papers
math.DG2008
AHS-structures and affine holonomies
Andreas Cap
We show that a large class of non-metric, non-symplectic affine holonomies can be realized, uniformly and without case by case considerations, by Weyl connections associated to the…
math.ST2007★ 239 cited
Sparse Estimators and the Oracle Property, or the Return of Hodges' Estimator
Hannes Leeb, Benedikt M. Poetscher
We point out some pitfalls related to the concept of an oracle property as used in Fan and Li (2001, 2002, 2004) which are reminiscent of the well-known pitfalls related to Hodges'…