Jeffrey Shi research presentation at a national math meeting

Jamestown High School junior, Jeffrey Shi, presented his mathematical research project, "Optimal Density of the Open-Locating-Dominating Sets of Snub Trihexagonal Tilings", in the Undergraduate Poster Session of 2017 Joint Mathematics Meeting, the largest mathematics meeting in the world. More than 6000 mathematicians, teachers and students, mostly from colleges and universities in US and around the world attend this meeting, held in Atlanta, Georgia on January 4 through 7, 2017. Jeffrey was one of the youngest attendees in the poster session. William and Mary mathematics professor, Gexin Yu, advised his project. In his work, Jeffrey found two ways of marking certain points in a grid consisting triangle and hexagon shapes so each point in the grid is next to a marked point, which can help to locate the problem when a defect in the grid is found. He will continue his project as his school honors project, in which he and Professor Yu will try to prove the construction they found actually is the optimal one with fewest possible number of points.

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