Selected Publications


Links to pdf preprints of some of these documents are given below; the rest may be obtained by contacting the author (


Copyright notice: The material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.


Acknowledgement and disclaimer: Most of this material is based upon work supported by the National Science Foundation over the last 28 years, most recently under grants CCF-106029 and CCF-1422134. Any opinions, findings, and conclusions, or recommendations expressed in this material are those of the author (s) and do not necessarily reflect the views of the National Science Foundation.

Last updated on 19 March 2017