JCT
2008
13 years 11 months ago
2008
Let s = (s1, s2, . . . , sm) and t = (t1, t2, . . . , tn) be vectors of non-negative integers with m i=1 si = n j=1 tj. Let B(s, t) be the number of m
COMBINATORICS
2007
13 years 11 months ago
2007
We define a higher spin alternating sign matrix to be an integer-entry square matrix in which, for a nonnegative integer r, all complete row and column sums are r, and all partia...
COMBINATORICS
2006
13 years 11 months ago
2006
For n a positive integer, we show that the number of of 2n-tuples of integers that are the row and column sums of some n
ESA
2006
Springer
14 years 3 months ago
2006
Springer
The sequential importance sampling (SIS) algorithm has gained considerable popularity for its empirical success. One of its noted applications is to the binary contingency tables p...