(joint work with E. Bonnet and F. Sikora)

(joint work with P. Heggernes)

(joint work with C. Bazgan, M. Chopin and H. Fernau)

(joint work with J. Egan, M. R. Fellows, F. A. Rosamond and P. Shaw)

(joint work with K. Daudjee, A. E. Mouawad and N. Nishimura)

(joint work with C. Feghali and H. Muller)

(joint work with M. A. Langston)

(joint work with A. Mouawad and M. Liedloff)

(joint work with H. Fernau, M. A. Langston, U. Stege and S. Lee-Cultura)

(joint work with H. Fernau and M. A. Langston)

(joint work with M. R. Fellows, M. A. Langston and W. H. Suters)

(joint work with Michael A. Langston)

(joint work Henning Fernau)

(Special issue of the Cologne-Twente Workshop on Graphs and Combinatorial Optimization, June 2006.)

(joint work with M. A. Langston, P. Shanbhag and C. T. Symons)

(joint work with S. Li, C. Markarian, F. Meyer auf der Heide and P. Podlipyan)

in

Accepted for publication.

(joint work with Shaowei Cai, Judith Egan, Peter Shaw and Kai Wang)

in

Accepted for publication.

(joint work with C. Bazgan, K. Casel and H. Fernau)

in

Accepted for publication.

(joint work with S. Li, C. Markarian, F. Meyer auf der Heide and P. Podlipyan)

in

Accepted for publication.

(joint work with S. Li, C. Markarian, F. Meyer auf der Heide and P. Podlipyan)

in

Accepted for publication.

(joint work with C. Bazgan, J. El-Haddad and F. Sikora)

in

(joint work with C. Bazgan, M. Chopin and H. Fernau)

in

Lecture Notes in Computer Science, volume 8889, Jeonju, Korea, December 15-17, 2014, pages 479-490.

(joint work with J. Egan, M. R. Fellows, F. A. Rosamond and P. Shaw)

in

Lecture Notes in Computer Science, volume 8881, Wailea, Maui, HI, USA, December 19-21, 2014, pages 625-636.

(joint work with E. Bonnet and F. Sikora)

in

Lecture Notes in Computer Science, volume 8986, Duluth, MN, USA, October 15-17, 2014, pages 1-12.

in

Lecture Notes in Computer Science, volume 8287, Chengdu, China, December 2013, pages 284-294.

(joint work with A. E. Mouawad)

in

(joint work with Mazen Bou Khuzam)

in

Lecture Notes in Computer Science, volume 7535, Ljubliana, Slovenia, September 2012, pages 264-273.

(joint work with M. A. Langston)

in

(joint work with C. Markarian)

(joint work with M. A. Langston, A. E. Mouawad and C. P. Nolan)

in

(joint work with H. Fernau, M. A. Langston, S. Lee-Cultura and U. Stege)

in

volume 109 of Conferences in Research and Practices in Information Technology CRPIT, pages 31-37. Australian Computer Society ACS, 2010.

in

Lecture Notes in Computer Science, volume 5532, Changsha, China, May 2009, pages 81-87.

(joint work with Gary L. Rogers, Charles A. Phillips, John D. Eblen, Andy D. Perkins and Michael A. Langston)

in

(joint work with F. Kanj, N. Mansour and H. Khachfe)

in

(joint work with M. A. Rizk)

in

Lecture Notes in Computer Science, volume 4967, Gdansk, Poland, September 2007, Pages 170-179.

in

Lecture Notes in Computer Science, volume 4619, Halifax, Nova Scotia, Canada, August 2007, pages 434-445.

(joint work with M. A. Rizk, N. F. Samatova and M. A. Langston)

in

(jont work with Henning Fernau)

in

Lecture Notes in Computer science, volume 4169, Zürich, Switzerland, September 13-15, 2006, pages 264-275.

(joint work with N. E. Baldwin, E. J. Chesler, M. A. Langston, N. F. Samatova and Y. Zhang)

in

(joint work with M. A. Langston, N. F. Samatova, W. H. Suters, C. T. Symons and Y. Zhang)

in

Lecture Notes in Computer Science, volume 3595, Kunming, China, August, 2005, pages 717-727.

(joint work with M. A. Langston)

in

(joint work with M. A. Langston and H. Fernau)

in

(joint work with N. E. Baldwin, M. A. Langston and N. F. Samatova)

in

(joint work with M. A. Langston and W. H. Suters)

in