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ENDM
2007
14 years 9 months ago
2007
We survey recent results on a few distance labelling problems for hypercubes and Hamming graphs.
ENDM
2010
14 years 10 months ago
2010
We call "on/off" constraint an algebraic constraint that is activated if and only if
ENDM
2006
14 years 10 months ago
2006
In this paper, we study the representation of W(2) in PG(2, 4) related to a hyperoval. We provide a group-theoretic characterization and some geometric ones.
ENDM
2006
14 years 10 months ago
2006
A graph is hypohamiltonian if it is not hamiltonian but every vertex-deleted subgraph is. In this paper we study hypohamiltonian snarks
ENDM
2007
14 years 9 months ago
2007
We show that for every n there are two simple curves on the torus intersecting at least n times without the two curves folding or spiralling with respect to each other.