Books (novels and essays) Japanese literature Proof of eternity

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Japanese Literature
Japanese Literature
In the notebook of my best friend, there was a proof of the unsolved problem. An adventure around mathematics! A research notebook left by the genius mathematician Ryoji Mitsuya. There was a proof of the unsolved problem "Ko Latz conjecture." In the notebook, there was a proof of the unsolved problem. Yuichi Kumazawa, Ryoji's best friend who inherited the notebook, tried to confirm the correctness of the proof.