Equivalent σ-finite invariant measures

[摘要] Given a non-singular transformation T on a sigma-finite measure space (X, beta, m), we describe a new ratio condition that is necessary and sufficient for the existence of a T-invariant sigma-finite measure equivalent to m. (c) 2006 Elsevier Inc. All rights reserved.

[发布日期] 2006-12-15

[关键词] non-singular transformation;equivalent measure;invariant measure