An array , of Positive Integers is called a dispersion if
- 1. The first column of is a strictly increasing sequence, and there exists a strictly increasing sequence
such that
- 2.
,
- 3. The complement of the Set
is the Set ,
- 4.
for all for and for all for all .
If an array is a dispersion, then it is an Interspersion.
See also Interspersion
References
Kimberling, C. ``Interspersions and Dispersions.'' Proc. Amer. Math. Soc. 117, 313-321, 1993.
© 1996-9 Eric W. Weisstein
1999-05-24