# THE JUMP NUMBER OF THE PRODUCT OF GENERALIZED CROWNS

• Published : 1999.05.01

#### Abstract

in this paper, we determine the jump number of the product of generalized crowns: s(${S_n}^k \times {S_m}^l$) = 2(m+1)(n+k)+2(m-2)(n-2)-1.

#### References

1. Ars Combinatoria v.40 On the product of some posets: Jump number and greediness H. C. Jung
2. Discrete Math. v.8 Dimension of the crown $S^k_n$ W. T. Trotter