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Matrices with restricted elements, row sums and column sums

✍ Scribed by Éva Komáromi

Publisher
Akadmiai Kiad
Year
1978
Tongue
English
Weight
267 KB
Volume
31
Category
Article
ISSN
1588-2632

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📜 SIMILAR VOLUMES

Asymptotic enumeration of 0–1 matrices w
Asymptotic enumeration of 0–1 matrices with equal row sums and equal column sums
✍ Brendan D. McKay; Xiaoji Wang 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 158 KB

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 matrices with entries from {0, 1}, such that each row sum is s and each column sum is t. Equivalently, N(s, t; m, n) is the number of labelled semiregular bipartite graphs, where one colour class c