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Bishnoi, A. (author), Das, Shagnik (author), Morris, Patrick (author), Szabó, Tibor (author)A well-known conjecture, often attributed to Ryser, states that the cover number of an r-partite r-uniform hypergraph is at most r−1 times larger than its matching number. Despite considerable effort, particularly in the intersecting case, this conjecture remains wide open, motivating the pursuit of variants of the original conjecture....journal article 2021