Add to ORKGLet s, t, m, n be positive integers such that sm = tn. Let B(m, s;n, t) be the number of m × n matrices over {0, 1} with each row summing to s and each column summing to t. Equivalently, B(m,s;n,t] is the number of semiregular bipartite graphs with m ve
Abstract We investigate the number of symmetric matrices of nonnegative integers with zero diagonal ...
AbstractWe consider the set Σ(R,C) of all m×n matrices having 0–1 entries and prescribed row sums R=...
AbstractAsymptotics are obtained for the number of m×n non-negative integer matrices subject to the ...
Let s, t, m, n be positive integers such that sm=tn. Define N(s,t;m,n) to be the number of m×n matri...
Let s = (s1, s2,..., sm) and t = (t1, t2,..., tn) be vectors of non-negative integers with ∑m i=1 si...
AbstractLet s, t, m, n be positive integers such that sm=tn. Define N(s,t;m,n) to be the number of m...
AbstractLet s=(s1,s2,…,sm) and t=(t1,t2,…,tn) be vectors of non-negative integers with ∑i=1msi=∑j=1n...
Let s = (s1, s2, ..., sm) and t = (t1, t2, ..., tn) be vectors of non-negative integers with ∑i = 1m...
AbstractLet s=(s1,…,sm) and t=(t1,…,tn) be vectors of non-negative integer-valued functions with equ...
Let s, t, m, n be positive integers such that sm = tn. Let M(m, s; n, t) be the number of m×n matric...
Let s = (s1, ..., sm) and t = (t1, ..., tn) be vectors of nonnegative integer-valued functions of m,...
Let J and J be subsets of N such that 0, 1 J and 0 J. For infinitely many n, let k = (k1, . . . , kn...
AbstractLet s, t, m, n be positive integers such that sm=tn. Define N(s,t;m,n) to be the number of m...
AbstractLet s=(s1,s2,…,sm) and t=(t1,t2,…,tn) be vectors of non-negative integers with ∑i=1msi=∑j=1n...
In this short note, we compute the precise asymptotics for the number of contingency tables with non...
Abstract We investigate the number of symmetric matrices of nonnegative integers with zero diagonal ...
AbstractWe consider the set Σ(R,C) of all m×n matrices having 0–1 entries and prescribed row sums R=...
AbstractAsymptotics are obtained for the number of m×n non-negative integer matrices subject to the ...
Let s, t, m, n be positive integers such that sm=tn. Define N(s,t;m,n) to be the number of m×n matri...
Let s = (s1, s2,..., sm) and t = (t1, t2,..., tn) be vectors of non-negative integers with ∑m i=1 si...
AbstractLet s, t, m, n be positive integers such that sm=tn. Define N(s,t;m,n) to be the number of m...
AbstractLet s=(s1,s2,…,sm) and t=(t1,t2,…,tn) be vectors of non-negative integers with ∑i=1msi=∑j=1n...
Let s = (s1, s2, ..., sm) and t = (t1, t2, ..., tn) be vectors of non-negative integers with ∑i = 1m...
AbstractLet s=(s1,…,sm) and t=(t1,…,tn) be vectors of non-negative integer-valued functions with equ...
Let s, t, m, n be positive integers such that sm = tn. Let M(m, s; n, t) be the number of m×n matric...
Let s = (s1, ..., sm) and t = (t1, ..., tn) be vectors of nonnegative integer-valued functions of m,...
Let J and J be subsets of N such that 0, 1 J and 0 J. For infinitely many n, let k = (k1, . . . , kn...
AbstractLet s, t, m, n be positive integers such that sm=tn. Define N(s,t;m,n) to be the number of m...
AbstractLet s=(s1,s2,…,sm) and t=(t1,t2,…,tn) be vectors of non-negative integers with ∑i=1msi=∑j=1n...
In this short note, we compute the precise asymptotics for the number of contingency tables with non...
Abstract We investigate the number of symmetric matrices of nonnegative integers with zero diagonal ...
AbstractWe consider the set Σ(R,C) of all m×n matrices having 0–1 entries and prescribed row sums R=...
AbstractAsymptotics are obtained for the number of m×n non-negative integer matrices subject to the ...