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Speaker:
Yeongrak Kim
Affiliation:
Korea Advanced Institute/MPIM
Date:
Thu, 27/10/2016 - 15:00 - 16:00
Location:
MPIM Lecture Hall
Parent event:
MPI-Oberseminar Motivations of Ulrich bundles naturally came from linear algebra and commutative algebra. Thanks to
Eisenbud and Schreyer, such an algebraic notion dives into the geometric world, and become a key object
to observe the cone of cohomology tables and Cayley-Chow forms. They asked whether every projective
variety supports an Ulrich bundle, which is still wildly open even for smooth surfaces. In the very recent
years, Ulrich bundles have received a lot of attention, and many constructions of rank 2 Ulrich bundles
on surfaces are studied as well. In this talk, we review various motivations of Ulrich bundles and ideas for
the construction of rank 2 Ulrich bundles on surfaces.
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