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Electronic Notes in Discrete Mathematics, Volume 3, May 1999, Pages 86-89, Articles, Chromatic spectrum is broken.

An algorithm for computing the number of colorings of a mixed hypergraph is proposed. The properties of the upper chromatic number and the color-ings of some ...

Characterization of bihypergraphs with the gaps in their chromatic spectrum, especially those derived from G-designs, is a very interesting open problem ...

Using similar techniques it is possible to prove the following results about. BP3(v)-designs having a broken chromatic spectrum with only two positive.

In this paper we examine Voloshin's colorings of mixed hyper- graphs derived from P3-designs and construct families of P3- designs having the chromatic spectrum ...

Mario Gionfriddo, Vitaly Voloshin Bihypergraphs and G-designs with broken chromatic spectrum: results and problems. Applied Mathematical Sciences, Vol.

If some gaps occur, the feasible set and the chromatic spectrum of H are said to be broken, and if there are no gaps then they are called continuous or gap-free ...

The chromatic spectrum of G is the set of all vertices of G for which G has a strict $k$-coloring and it is shown that a set of integers S is the spectrum ...

This course will present the fundamental principles of chromatic aberration, including a review of chromatic dispersion, Abbe value, and techniques to minimize ...