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20182026
most citedOn the cardinality spectrum and the number of latin bitrades of order 3

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math.CO2024

Generalizing the Bierbrauer-Friedman bound for orthogonal arrays

Denis S. Krotov, Ferruh Özbudak, Vladimir N. Potapov

We characterize mixed-level orthogonal arrays in terms of algebraic designs in a special multigraph. We prove a mixed-level analog of the Bierbrauer-Friedman (BF) bound for pure-le…