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A complete classification of (12,4,3)‐RBIBDs
Author(s) -
Morales Luis B.,
Velarde Carlos
Publication year - 2001
Publication title -
journal of combinatorial designs
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.618
H-Index - 34
eISSN - 1520-6610
pISSN - 1063-8539
DOI - 10.1002/jcd.1019
Subject(s) - backtracking , mathematics , combinatorics , class (philosophy) , space (punctuation) , combinatorial analysis , discrete mathematics , algorithm , artificial intelligence , computer science , operating system
Using a parallel class by parallel class backtracking algorithm we classify (12,4,3)‐RBIBDs. The size of the search space is reduced by combinatorial arguments. Five nonisomorphic RBIBDs are found and listed. © 2001 John Wiley & Sons, Inc. J Combin Designs 9: 385–400, 2001