By Hirokazu Nishimura,Susumu Kuroda

Matroid idea used to be invented in the course of the Thirties via mathematicians independently, specifically, Hassler Whitney within the united states and Takeo Nakasawa in Japan. Whitney grew to become recognized, yet Nakasawa remained nameless until two a long time in the past. He left basically 4 papers to the mathematical neighborhood, them all written in the course of the Thirties. It was once a foul time to have lived in a rustic that had develop into as eccentric as attainable. simply as Nazism grew to become an increasing number of flamboyant in Europe within the Thirties, Japan turned a growing number of esoteric and fanatical within the related period of time. This publication explains the little that's identified approximately Nakasawa’s own lifestyles in a Japan that had, between different mess ups, misplaced regulate over its army. This publication includes his 4 papers in German and their English translations in addition to a few prolonged remark at the background of Japan in the course of these years. The e-book additionally comprises 14 images of him or his relations. even supposing the veil of poser surrounding Nakasawa’s lifestyles has in basic terms been partly lifted, the paintings awarded during this e-book speaks eloquently of a sad loss to the mathematical community.

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