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On the existence of MOLS with equal-sized holes
Authors:D R Stinson  L Zhu
Institution:(1) Department of Computer Science, University of Manitoba, R3T 2N2 Winnipeg, Manitoba, Canada;(2) Department of Mathematics, Suzhou University, People's Republic of China
Abstract:We consider a pair of MOLS (mutually orthogonal Latin squares) having holes, corresponding to missing sub-MOLS, which are disjoint and spanning It is shown that a pair of MOLS withn holes of sizeh exist forh ge 2 if and only ifn ge 4 For SOLS (self-orthogonal Latin squares) with holes, we have the same result, with two possible exceptions SOLS with 7 or 13 holes of size 6
Keywords:Primary 05B15
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