Nearly disjoint sequences in convergence -groups
Mathematica Bohemica (2000)
- Volume: 125, Issue: 2, page 139-144
- ISSN: 0862-7959
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topJakubík, Ján. "Nearly disjoint sequences in convergence $l$-groups." Mathematica Bohemica 125.2 (2000): 139-144. <http://eudml.org/doc/248662>.
@article{Jakubík2000,
abstract = {For an abelian lattice ordered group $G$ let $G$ be the system of all compatible convergences on $G$; this system is a meet semilattice but in general it fails to be a lattice. Let $\alpha _\{nd\}$ be the convergence on $G$ which is generated by the set of all nearly disjoint sequences in $G$, and let $\alpha $ be any element of $G$. In the present paper we prove that the join $\alpha _\{nd\}\vee \alpha $ does exist in $G$.},
author = {Jakubík, Ján},
journal = {Mathematica Bohemica},
keywords = {nearly disjoint sequence; strong convergence; convergence $\ell $-group; convergence -group; nearly disjoint sequence; strong convergence},
language = {eng},
number = {2},
pages = {139-144},
publisher = {Institute of Mathematics, Academy of Sciences of the Czech Republic},
title = {Nearly disjoint sequences in convergence $l$-groups},
url = {http://eudml.org/doc/248662},
volume = {125},
year = {2000},
}
TY - JOUR
AU - Jakubík, Ján
TI - Nearly disjoint sequences in convergence $l$-groups
JO - Mathematica Bohemica
PY - 2000
PB - Institute of Mathematics, Academy of Sciences of the Czech Republic
VL - 125
IS - 2
SP - 139
EP - 144
AB - For an abelian lattice ordered group $G$ let $G$ be the system of all compatible convergences on $G$; this system is a meet semilattice but in general it fails to be a lattice. Let $\alpha _{nd}$ be the convergence on $G$ which is generated by the set of all nearly disjoint sequences in $G$, and let $\alpha $ be any element of $G$. In the present paper we prove that the join $\alpha _{nd}\vee \alpha $ does exist in $G$.
LA - eng
KW - nearly disjoint sequence; strong convergence; convergence $\ell $-group; convergence -group; nearly disjoint sequence; strong convergence
UR - http://eudml.org/doc/248662
ER -
References
top- L. Fuchs, Partially Ordered Algebraic Systems, Pergamon Press, Oxford, 1963. (1963) Zbl0137.02001MR0171864
- J. Jakubík, Sequential convergences in l-groups without Urysohn's axiom, Czechoslovak Math. J. 42 (1992), 101-116. (1992) Zbl0770.06008MR1152174
- J. Jakubík, Disjoint sequences in Boolean algebras, Math. Bohem 123 (1998), 411-418. (1998) MR1667113
- E. P. Shimbireva, On the theory of partially ordered groups, Matem. Sbornik 20 (1947), 145-178. (In Russian.) (1947) Zbl0029.10301MR0020558
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