Titlebook: Combinatorial Mathematics V.; Proceedings of the F Charles H. C. Little Conference proceedings 1977 Springer-Verlag Berlin Heidelberg 1977

aspersion

Modelling Sleep and General Anaesthesia,We survey the results obtained by a large number of authors concerning the spectrum of a graph. The questions of characterisation by spectrum, cospectral graphs and information derived from the spectrum are discussed.

Orgasm

https://doi.org/10.1007/978-1-4614-0173-5We prove Grant‘s conjecture that, for all graphs G and H with H ? K., the lexicographic product G[H] is semi-stable at (v, w) if H is semi-stable at w. Thus we can conclude that G[H] is semi-stable at (v, w) if and only if H is semi-stable at w.

細(xì)胞膜

Sleep Disturbance During Military DeploymentThis paper uses circulant matrices, computer techniques and product designs to construct orthogonal designs in order 24.

anachronistic

Computer-Assisted PolysomnographyLet p be a prime, p=4t?1, t≥2. A construction is given for a balanced incomplete block design with parameters (4t?1, (2t?1)(4t?1), (2t?1)., 2t?1, (2t?1)(t?1)), which contains no (4t?1, 2t?1, t?1) symmetric design.

淘氣

Some new constructions for orthogonal designs using circulants,In . Goethals and Seidel produced a matrix on . variables which has proved invaluable in the construction of orthogonal designs. In this paper the Goethals-Seidel matrix is generalized to construct orthogonal designs of large composite orders. An asymptotic result for . variable orthogonal designs of order ., where . is odd, is obtained.

忍耐

Measured

The semi-stability of lexicographic products,We prove Grant‘s conjecture that, for all graphs G and H with H ? K., the lexicographic product G[H] is semi-stable at (v, w) if H is semi-stable at w. Thus we can conclude that G[H] is semi-stable at (v, w) if and only if H is semi-stable at w.

薄荷醇

雄辯

On quasi-multiple designs,Let p be a prime, p=4t?1, t≥2. A construction is given for a balanced incomplete block design with parameters (4t?1, (2t?1)(4t?1), (2t?1)., 2t?1, (2t?1)(t?1)), which contains no (4t?1, 2t?1, t?1) symmetric design.

嘮叨

https://doi.org/10.1007/BFb0069176Counting; Kombinatorik; combinatorics; graph; mathematics; theorem