Abstract
We have gathered a number of problems in the course of our investigations, which we have left unsolved. We list them below for the interested reader, with relevant references when available.
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Bibliography
J.-P. Doignon and J.-Cl. Falmagne. Parametrization of knowledge structures. Discrete Applied Mathematics, 21:87–100, 1988.
R.T. Johnson and T.P. Vaughan. On union-closed families. I. Journal of Combinatorial Theory, Series A, 84:242–249, 1998.
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© 2011 Springer-Verlag Berlin Heidelberg
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Falmagne, JC., Doignon, JP. (2011). Open Problems. In: Learning Spaces. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-01039-2_18
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DOI: https://doi.org/10.1007/978-3-642-01039-2_18
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