. "NL - Nizozemsko" . . "2"^^ . "RIV/61989592:15310/10:10215729" . "1"^^ . "The Zerodivisor Graph of a Qoset"@en . . "The Zerodivisor Graph of a Qoset" . "9"^^ . . . "The Zerodivisor Graph of a Qoset"@en . . "coloring, qoset, clique number, chromatic number, annihilator, ideal"@en . . "Order" . "The Zerodivisor Graph of a Qoset" . . "L\u00E4nger, Helmut" . "000282872500007" . . . . . "RIV/61989592:15310/10:10215729!RIV11-MSM-15310___" . "27" . "We study colorings of quasiordered sets (qosets) with a least element 0. To any qoset we assign a graph (called a zerodivisor graph) and we prove that for such graphs, the chromatic number and the clique number coincide." . . "Z(MSM6198959214)" . . "0167-8094" . "3" . "We study colorings of quasiordered sets (qosets) with a least element 0. To any qoset we assign a graph (called a zerodivisor graph) and we prove that for such graphs, the chromatic number and the clique number coincide."@en . . . "Hala\u0161, Radom\u00EDr" . . . "299930" . "15310" . "[67C0237FDC32]" .