Wyniki wyszukiwania

1

Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik

On the lattice of additive hereditary properties of finite graphs

100%

Jakubík J.

Discussiones Mathematicae - General Algebra and Applications

|

2002

|

tom 22

|

nr 1

73-86

EN

In this paper it is proved that the lattice of additive hereditary properties of finite graphs is completely distributive and that it does not satisfy the Jordan-Dedekind condition for infinite chains.

2

On absolute retracts and absolute convex retracts in some classes of l-groups

100%

Jakubík J.

Discussiones Mathematicae - General Algebra and Applications

|

2003

|

tom 23

|

nr 1

19-30

EN

By dealing with absolute retracts of l-groups we use a definition analogous to that applied by Halmos for the case of Boolean algebras. The main results of the present paper concern absolute convex retracts in the class of all archimedean l-groups and in the class of all complete l-groups.

3

Isomorphisms of direct products of lattice-ordered groups

100%

Jakubík J.

Discussiones Mathematicae - General Algebra and Applications

|

2004

|

tom 24

|

nr 1

43-52

EN

In this paper we investigate sufficient conditions for the validity of certain implications concerning direct products of lattice-ordered groups.

4

On algebraic operations of a lattice-ordered group

38%

Jakubík J.

Colloquium Mathematicum

|

1979

|

tom 41

|

nr 1

35-44

Ograniczanie wyników

3 Discussiones Mathematicae - General Algebra and Applications

1 Colloquium Mathematicum

4 Jakubík J.

1 2004

1 2003

1 2002

1 1979

On the lattice of additive hereditary properties of finite graphs

On absolute retracts and absolute convex retracts in some classes of l-groups

Isomorphisms of direct products of lattice-ordered groups

On algebraic operations of a lattice-ordered group