During one of his many visit, Vitaly Voloshin invited Lucia to study the problem to determine G - desingns having gaps in their chromatic spectrum. Lucia examined this problem and found many cases of P_3 - designes with this property. Until today, these remain the only known cases of G - designes having gaps in their chromatic spectrum. In this paper we give a survey about the result obtained by Lucia on this subject and present some open problems.

A survey of Lucia Gionfriddo’s results about colourings in BP3-designs

MILAZZO, Lorenzo Maria Filippo
2013-01-01

Abstract

During one of his many visit, Vitaly Voloshin invited Lucia to study the problem to determine G - desingns having gaps in their chromatic spectrum. Lucia examined this problem and found many cases of P_3 - designes with this property. Until today, these remain the only known cases of G - designes having gaps in their chromatic spectrum. In this paper we give a survey about the result obtained by Lucia on this subject and present some open problems.
2013
Mixed hypergraph, P_3 - design, chromatic spectrum, gaps.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11769/29637
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