نتایج جستجو برای: generalized petersen graph
تعداد نتایج: 358684 فیلتر نتایج به سال:
Journal:
:Journal of the Mathematical Society of Japan
1996
Journal:
:Journal of Combinatorial Theory, Series A
1995
Journal:
:Missouri Journal of Mathematical Sciences
1989
Journal:
:Journal of Combinatorial Theory, Series B
1981
Journal:
:Discrete Mathematics
2009
1999
M. KOCHOL
We show that every bridgeless cubic graph without a Petersen minor has a nowhere-zero 5-flow. This approximates the known 4-flow conjecture of Tutte. A graph has a nowhere-zero k-flow if its edges can be oriented and assigned nonzero elements of the group Zk so that the sum of the incoming values equals the sum of the outcoming ones for every vertex of the graph. An equivalent definition we get...
Journal:
:European Journal of Combinatorics
1989
Journal:
:Linear Algebra and its Applications
2016
Journal:
:Discrete Mathematics
1989
Journal:
:Discrete Mathematics
1992
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