Undergraduate Math Club

Mahrud SayrafiCornell University
Computations over local rings in Macaulay2

Monday, November 13, 2017 - 4:45pm
Malott 532

Local rings are ubiquitous in algebraic geometry. Not only are they naturally meaningful in a geometric sense, but also they are extremely useful because of their nice algebraic behavior. After a brief crash course with plenty of examples of local rings, I will present interesting applications of the (soon to be released) LocalRings package in Macaulay2 which allows for computations over localizations of polynomial rings with respect to prime ideals. For the grand finale, we will investigate the local properties of the singularity in the Seepferdchen surface. Basic familiarity with abstract algebra (specifically, rings) is recommended.