Pesquisa operacional: a celebration to Mark Horacio Hideki Yanasse's 60th birthday

Abstract

is a leading scientist and Professor in Operations Research for more than three decades. His achievements as a scientist in the area include deep and long lasting contributions to the theory and also to practical aspects of Operations Research. Horacio Hideki Yanasse. This special issue of Pesquisa Operacional is dedicated to his 60 th birthday. We are pretty much honored by Professor Reinaldo Morabito's invitation to edit this special issue in honor to Horacio's contributions. Moreover, as his friends, colleagues and one of them a former student this article has a personal account view.