User Leen Droogendijk - MathOverflow

Leen Droogendijk

Member for 8 years, 9 months
Last seen more than 3 years ago

Vianen, the Netherlands

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16

Every simple planar graph with $\delta\geq 3$ has an adjacent pair with $deg(u)+deg(v)\leq 13$

10

Special subdivision of numbers from 1 to 99

9

Graph partition that span a third of edges

8

Does every "balloon" (dragon, tadpole, canoe paddle) admit a graceful labeling?

8

Degree sequence on graphs