Nigel Ray

Publication Activity (10 Years)

Years Active: 1992-1998
Publications (10 Years): 0

Publications

Cristian Lenart, Nigel Ray
Hopf algebras of set systems. Discret. Math. 180 (1-3) (1998)
Cristian Lenart, Nigel Ray
Chromatic polynomials of partition systems. Discret. Math. (1997)
Nigel Ray, William Schmitt
Ultimate chromatic polynomials. Discret. Math. 125 (1-3) (1994)
Nigel Ray, Colin Wright
Umbral interpolation and the addition/contraction tree for graphs. Discret. Math. 103 (1) (1992)