Found 38 Documents (Results 1–38)
On a valence problem in extremal graph theory. (English) Zbl 0268.05121
Reviewer: B.Andrásfai
Point determination in graphs. (English) Zbl 0265.05124
A characterization of bivariegated trees. (English) Zbl 0264.05103
MSC:
05C05
Maximal dimensional partially ordered sets. II: Characterization of 2n- element posets with dimension n. (English) Zbl 0262.06002
A note on cycle Ramsey numbers. (English) Zbl 0262.05119
MSC:
05C35
Minimal covers of finite sets. (English) Zbl 0262.05007
On distinct unit fractions whose sum equals 1. (English) Zbl 0261.10013
Reviewer: Nechemia Burshtein
MSC:
11D68
A note on line coverings of graphs. (English) Zbl 0261.05124
MSC:
05C35
On ordinary planes. (English) Zbl 0261.05018
Denombrement des arborescences dont le graphe de comparabilite est hamiltonien. (French) Zbl 0259.05117
A decision procedure using discrete geometry. (English) Zbl 0259.02029
MSC:
03D10
Tough graphs and Hamiltonian circuits. (English) Zbl 0256.05122
Reviewer: V. Chvátal
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