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Research and teaching @ TUHH
Showing posts with label Algebraic Geometry. Show all posts
Showing posts with label Algebraic Geometry. Show all posts

Friday, January 27, 2012

Thursday, January 19, 2012

Seminar: Constructive Algebraic Geometry

Yesterday:
  • Divisors on nonsingular projective curves
  • Riemann's problem
  • Riemann's theorem.

Friday, December 23, 2011

Computational Biology - Lecture 9

Topics:
  • Gröbner bases: existence, minimal and reduced bases
  • Hilbert's Basis Theorem.

Wednesday, December 21, 2011

Seminar: Constructive Algebraic Geometry

Topics:
  • Nakayama's Lemma and its application to local rings
  • Regular local rings and nonsingular varieties.

Friday, December 16, 2011

Seminar: Constructive Algebraic Geometry

Topics:
  • Local orders, localization of polynomial rings
  • ring of rational functions regular at a point of an affine variety
  • standard bases in localized polynomial rings
  • application to code ideals.

Computational Biology - Lecture 8

Topics:
  • Monomial orders
  • division algorithm in polynomial rings
  • Dickson's Lemma
  • Gröbner bases.

Seminar: Constructive Algebraic Geometry

Topics: Local rings and discrete valuation rings.


Wednesday, November 30, 2011

Seminar: Constructive Algebraic Geometry

Topics:
  • Functions on affine varieties
  • rings of regular functions
  • valuation rings and basic properties.

Wednesday, November 23, 2011

Seminar. Constructive Algebraic Geometry

Topics:
  • graded rings and homogeneous ideals
  • graded modules and graded homomorphisms
  • graded resolutions and Hilbert's syzygy theorem
  • Hilbert function and Hilbert polynomial.

Thursday, November 17, 2011

Seminar: Constructive Algebraic Geometry

Topics:
  • Evaluation codes.
  • Reed-Muller codes and Reed-Solomon codes as evaluation codes.
  • Hermitian codes.
  • A result of van Lint on evaluation codes.

Wednesday, November 9, 2011

Seminar: Constructive Algebraic Geometry

Topics:
  • projective n-space
  • homogeneous ideals
  • projective algebraic sets
  • Zariski topology
  • irreducibility and dimension