The Art and Mathematics of Genji-Kō

You might think it&rsquo;s unlikely for any interesting mathematics to arise from incense appreciation, but that&rsquo;s only because you&rsquo;re unfamiliar with the peculiar character of Muromachi (室町) era Japanese nobles. There has never been a group of people, in any time or place, who were so driven to display their sophistication and refinement.