"Tomonari Kitahara,Tomomi Matsui,Shinji Mizuno","On the Number of Solutions Generated by Dantzig's Simplex Method for LP with Bounded Variables",,"Pacific Journal of Optimization",,"Vol. 8","No. 2","pp. 447-455",2012,Nov.
"Tomomi Matsui,Yuichiro Miyamoto","Characterizing Delaunay Graphs via Fixed Point Theorem","24th Canadian Conference on Computational Geometry","PROCEEDINGS of CCCG 2012",,,,"pp. 249-254",2012,Aug.
"Ryuhei Miyashiro,Tomomi Matsui,Shinji Imahori","An Approximation Algorithm for the Traveling Tournament Problem",,"Annals of Operations Research",,"  Vol. 194","No. 1","pp. 317-324",2012,Apr.