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	<div id="articleTitle"><h3>Planar Graphs of Maximum Degree Six without 7-cycles are Class One</h3></div>
	<div id="authorString"><em>Danjun Huang, Weifan Wang</em></div>
	<br />
			<div id="articleAbstract">
		<h4>Abstract</h4>
		<br />
		<div>In this paper, we prove that every planar graph of maximum degree six without 7-cycles is class one.</div>
		<br />
		</div>
	
			<div id="articleSubject">
		<h4>Keywords</h4>
		<br />
		<div>Planar graph; edge coloring; class one; cycle</div>
		<br />
		</div>
	
	
				
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