SMS scnews item created by Bill Unger at Mon 23 Apr 2018 1357
Type: Seminar
Modified: Tue 24 Apr 2018 1631
Distribution: World
Expiry: 27 Apr 2018
Calendar1: 26 Apr 2018 1600-1700
CalLoc1: Carslaw 535A
CalTitle1: Computational Algebra Seminar

Computational Algebra Seminar: Bauch -- Montes Algorithm In Function Fields

Speaker: Jens Bauch
Title: Montes Algorithm In Function Fields
Time & Place: 4-5pm Thursday 26 April, Carslaw 535

Let $A=k[t]$ be the polynomial ring over the perfect field $k$ and 
$f\in A[x]$ be a monic irreducible separable polynomial. Denote by $F/k$ the
function field determined by $f$ and consider a given non-zero prime
ideal $\mathfrak{p}$ of $A$. The Montes algorithm determines a new
representation, so called OM-representation, of the prime ideals of the
(finite) maximal order of $F$ lying over $\mathfrak{p}$. This yields a
new representation of places of function fields. In this talk we
summarize briefly some applications of this new representation; that are
the computation of the genus, the computation of the maximal order, and
the improvement of the computation of Riemann-Roch spaces.

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