Here's an article I recently published in the Zoning and Planning Law Report, Recent Developments in Regulatory Takings Law: What Counts as "Property?", 34 Zoning & Planning Law Report (Thomson | West 2011).
If you subscribe to ZPLR, look for it in the mail (and if you don't, you should).
If you are not a subscriber (and again, you really should subscribe, ZPLR is one of the better ways, along with Gideon Kanner's Just Compensation, to keep up with the latest goings-on), the good people at West provide this freebie, as authors are allowed to post their own articles on their web site. So here you go.
Thomas, Recent Developments in Regulatory Takings Law: What Counts as "Property?" 34 Zoning & Planning Law ...