AbstractWe construct 2-chromatic S(2,4,v) for v=37,40, and 73. This completes the proof of the existence of 2-chromatic Steiner systems S(2,4,v) [equivalently, of Steiner systems S(2,4,v) with a blocking set] for all v≡1 or 4 (mod 12)
AbstractWe consider colourings of Steiner systems S(2,3,v) and S(2,4,v) in which blocks have prescri...
AbstractParallel classes in S(2,4, υ) are investigated for odd Steiner numbers. It is proved that th...
A Steiner system S(2, 4, v) is a v-element set V together with a collection B of 4-subsets of V cal...
AbstractWe construct 2-chromatic S(2,4,v) for v=37,40, and 73. This completes the proof of the exist...
We construct 2-chromatic S(2,4,v) for v=37,40, and 73. This completes the proof of the existence of ...
AbstractWe discuss colourings of elements of Steiner systems S(2,4,v) in which the elements of each ...
A Steiner system S(2, 4, v) is a v-element set V together with a collection B of 4-subsets of V cal...
A Steiner system S(2, 4, v) is a v-element set V together with a collection B of 4-subsets of V cal...
A Steiner system S(2, 4, v) is a v-element set V together with a collection B of 4-subsets of V cal...
A Steiner system S(2, 4, v) is a v-element set V together with a collection B of 4-subsets of V cal...
A Steiner system S(2, 4, v) is a v-element set V together with a collection B of 4-subsets of V call...
AbstractIn 1971, Doyen and Vandensavel gave a special doubling construction that gives a direct cons...
AbstractWe discuss colourings of elements of Steiner systems S(2,4,v) in which the elements of each ...
AbstractIn 1971, Doyen and Vandensavel gave a special doubling construction that gives a direct cons...
AbstractA Steiner quadruple system of order ν (briefly SQS(ν)) is a pair (X, B), where |X| = ν and B...
AbstractWe consider colourings of Steiner systems S(2,3,v) and S(2,4,v) in which blocks have prescri...
AbstractParallel classes in S(2,4, υ) are investigated for odd Steiner numbers. It is proved that th...
A Steiner system S(2, 4, v) is a v-element set V together with a collection B of 4-subsets of V cal...
AbstractWe construct 2-chromatic S(2,4,v) for v=37,40, and 73. This completes the proof of the exist...
We construct 2-chromatic S(2,4,v) for v=37,40, and 73. This completes the proof of the existence of ...
AbstractWe discuss colourings of elements of Steiner systems S(2,4,v) in which the elements of each ...
A Steiner system S(2, 4, v) is a v-element set V together with a collection B of 4-subsets of V cal...
A Steiner system S(2, 4, v) is a v-element set V together with a collection B of 4-subsets of V cal...
A Steiner system S(2, 4, v) is a v-element set V together with a collection B of 4-subsets of V cal...
A Steiner system S(2, 4, v) is a v-element set V together with a collection B of 4-subsets of V cal...
A Steiner system S(2, 4, v) is a v-element set V together with a collection B of 4-subsets of V call...
AbstractIn 1971, Doyen and Vandensavel gave a special doubling construction that gives a direct cons...
AbstractWe discuss colourings of elements of Steiner systems S(2,4,v) in which the elements of each ...
AbstractIn 1971, Doyen and Vandensavel gave a special doubling construction that gives a direct cons...
AbstractA Steiner quadruple system of order ν (briefly SQS(ν)) is a pair (X, B), where |X| = ν and B...
AbstractWe consider colourings of Steiner systems S(2,3,v) and S(2,4,v) in which blocks have prescri...
AbstractParallel classes in S(2,4, υ) are investigated for odd Steiner numbers. It is proved that th...
A Steiner system S(2, 4, v) is a v-element set V together with a collection B of 4-subsets of V cal...
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