2 problems
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The conjecture on cycle-free partial transversals of Latin squares
A Latin square of order is an array in which every symbol occurs exactly once in each row and column. A cycle-free partial transversal is a partial transversal cont…
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Generalized Brualdi conjecture on partial k-plexes in latin squares
Generalized Brualdi conjecture. Every latin square of order has a partial -plex of order for each .