Introduction to tropical geometry and some hints on toric geometry

Course

Lecturer:
Stefano Urbinati (University of Udine)

Board Contact:
Stefano Urbinati

SSD: MATH-02/B

CFU: 4 CFU + assignment: 2 CFU 

Period: November 2024

Lessons / Hours: 28 hours 

Program:

Tropical geometry is algebraic geometry over the min-plus algebra. This young subject has both established itself as an area of its own right and unveiled its deep connections to numerous branches of pure and applied mathematics. One passes from algebraic geometry to combinatorics, by replacing algebraic varieties over a valued field with polyhedral complexes. This process retains much information about the original varieties. This course offers a systematic introduction to this subject.

Plan:

  • Definition of Tropical Geometry
  • Basic Concepts of Algebraic Geometry
  • Introduction to Tropical Numbers
  • Tropical Monomials and Affine Integral Geometry
  • Amoebas of Affine Algebraic Varieties and Their Limits
  • Introduction to Polyhedral Geometry
  • The Balance Condition
  • Tropical Plane Curves
  • Tropical Toric Varieties
  • Tropical Projective Space and Projective Hypersurfaces
  • Tropical Cycles, Subspaces and Stable Intersection
  • Applications and Examples

Verification: Seminars offered by the students during the course

Prerequisites: Some basics of commutative algebra