I've written a paper which describes a way to replicate and extend J's behavior with arrays and forks as part of a single framework. I thought this would be interesting to the J community since it elaborates on the kind of thinking that drives J's powerful approach to function application.
https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B9JcSIlTRG6FZjA1NjE4ZTgtYzhiYy00YzA0LTkxODUtZDUwODg5OGEwYmE5&hl=en_US Marshall ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
