There are no prerequisites.

# Ordered algebraic structures

Partially ordered sets. Modular lattices. Distributive lattices and their representations. Boolean algebras and their representations.

Partially ordered groups and vector spaces. Convex subgroups. Homomorphisms. Archimedean and Dedekind complete groups. Linearly ordered groups.Partially ordered rings. Orderings on the field of fractions. Formally real fields. Real closed fields. Archimedean orderings. Orderings and valuations.

- G. Birkhoff: Lattice theory, 3rd ed., Providence (Rhode Island) : American Mathematical Society, 1995, cop. 1967.
- T. S. Blyth: Lattices and ordered algebraic structures, London : Springer, cop. 2010.
- L. Fuchs: Partially ordered algebraic systems, Oxford : Pergamon Press, 1963.
- A. M. W. Glass: Partially ordered groups, Singapore : World Scientific, cop. 1999.
- B. Lavrič: Delno urejene grupe in delno urejeni kolobarji, Ljubljana : Inštitut za matematiko, fiziko in mehaniko : Fakulteta za naravoslovje in tehnologijo : Društvo matematikov, fizikov in astronomov Slovenije, 1993.
- B. Lavrič: Delno urejeni vektorski prostori, Ljubljana : Društvo matematikov, fizikov in astronomov Slovenije, 1995.

The student learns the basics of the theory of ordered algebraic structures.

Knowledge and understanding:

Understanding of basic concepts and theorems of the theory of ordered algebraic structures, and their role in some other areas.

Application:

In other mathematical areas.

Reflection:

Understanding the theory on the basis of examples and applications.

Transferable skills:

Formulation and solution of problems using abstract methods.

Lectures, exercises, homeworks, consultations.

Homeworks

Oral exam

grading: 5 (fail), 6-10 (pass) (according to the Statute of UL)

Jaka Cimprič:

CIMPRIČ, Jaka. Free skew fields have many [ast]-orderings. Journal of algebra, ISSN 0021-8693, 2004, vol. 280, no. 1, str. 20-28. [COBISS-SI-ID 13210201]

CIMPRIČ, Jaka, KLEP, Igor. Generalized orderings and rings of fractions. Algebra universalis, ISSN 0002-5240, 2006, vol. 55, no. 1, str. 93-109. [COBISS-SI-ID 13966937]

CIMPRIČ, Jaka. A representation theorem for archimedean quadratic modules on [star]-rings. Canadian mathematical bulletin, ISSN 0008-4395, 2009, vol. 52, št. 1, str. 39-52. [COBISS-SI-ID 15084633]