10 citations · 16 across the 7 of their papers we have counts for
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math.CO2003★ 1 cited
The combinatorics of a three-line circulant determinant
Nicholas A. Loehr, Gregory S. Warrington, Herbert S. Wilf
We study the determinant of the pxp circulant matrix whose first row is (1,-x,0,...,0,-y,0,...,0), the -y being in position q+1. The coefficients of this polynomial are integers th…
math.CO2003
A Discontinuity in the Distribution of Fixed Point Sums
Edward A. Bender, E. Rodney Canfield, L. Bruce Richmond +1
The quantity , defined as the number of permutations of the set whose fixed points sum to , shows a sharp discontinuity in the neighborhood of .…
math.CO2003★ 1 cited
Some new aspects of the coupon-collector's problem
Amy N. Myers, Herbert S. Wilf
We extend the classical coupon collector's problem to one in which two collectors are simultaneously and independently seeking collections of coupons. We find, in finite terms,…