There are no prerequisites.

# Ordered algebraic structures

Prof. Dr. Jakob Cimprič, Assoc. Prof. Dr. Karin Cvetko Vah

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 edition, AMS, Providence, 2006.

T.S. Blyth: Lattices and Ordered Algebraic Structures, Springer, 2005.

L. Fuchs: Partially Ordered Algebraic Systems, Pergamon Press, London, 1963.

A. M. W. Glass: Partially Ordered Groups, World Scientific, River Edge, 1999.

B. Lavrič: Delno urejene grupe in delno urejeni kolobarji, DMFA-založništvo, Ljubljana, 1993.

B. Lavrič: Delno urejeni vektorski prostori, DMFA-založništvo, Ljubljana, 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]

Karin Cvetko Vah:

CVETKO-VAH, Karin. Internal decompositions of skew lattices. Communications in algebra, ISSN 0092-7872, 2007, vol. 35, no. 1, str. 243-247. [COBISS-SI-ID 14223193]

CVETKO-VAH, Karin. On strongly symmetric skew lattices. Algebra universalis, ISSN 0002-5240, 2011, vol. 66, no. 1-2, str. 99-113. [COBISS-SI-ID 16219993]

BAUER, Andrej, CVETKO-VAH, Karin. Stone duality for skew Boolean algebras with intersections. Houston journal of mathematics, ISSN 0362-1588, 2013, vol. 39, no. 1, str. 73-109. [COBISS-SI-ID 16620377]