Nordhaus-Gaddum inequalities for the fractional and circular chromatic numbers. - Jason I. Brown; R. Hoshino (Discret. Math., 2009)

Applications and extensions of cost curves to marine container inspection. - R. Hoshino; D. Coughtrey; S. Sivaraja; I. Volnyansky; Sofia Auer; A. Trichtchenko (Ann. Oper. Res., 2011)