Groebner bases for fields with valuations

Series
Algebra Seminar
Time
Monday, June 30, 2014 - 3:05pm for 1 hour (actually 50 minutes)
Location
Skiles 005
Speaker
Anders Jensen – Aarhus University
Organizer
Josephine Yu
In this talk we discuss a recent paper by Andrew Chan and Diane Maclagan on Groebner bases for fields, where the valuation of the coefficients is taken into account, when defining initial terms. For these orderings the usual division algorithm does not terminate, and ideas from standard bases needs to be introduced. Groebner bases for fields with valuations play an important role in tropical geometry, where they can be used to compute tropical varieties of a larger class of polynomial ideals than usual Groebner bases.