دوره 16، شماره 2 - ( 7-1400 )
جلد 16 شماره 2 صفحات 10-1 |
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Assari A, Rahimi M. On Beck's Coloring for Measurable Functions. IJMSI 2021; 16 (2) :1-10
URL: http://ijmsi.ir/article-1-1138-fa.html
URL: http://ijmsi.ir/article-1-1138-fa.html
On Beck's Coloring for Measurable Functions. مجله علوم ریاضی و انفورماتیک. 1400; 16 (2) :1-10
چکیده:
We study Beck-like coloring of measurable functions on a measure space $Omega$ taking values in a measurable semigroup $Delta$. To any
measure space $Omega$ and any measurable semigroup $Delta$ we assign a graph (called a zero-divisor graph) whose vertices are labelled by
the classes of measurable functions defined on $Omega$ and having values in $Delta$, with two vertices $f$ and $g$ adjacent if $f.g=0$ a.e.. We show that, if $Omega$ is atomic, then not only the Beckchr('39')s conjecture holds but also the domination number coincide to the clique number and chromatic number as well. We also determine some other graph properties of such a graph.
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