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References
Pavle V. M. Blagojević and Günter M. Ziegler. Convex Equipartitions via Equivariant Obstruction Theory. arXiv:1202.5504v2, 17 pages.
H. Joris, C. Oestreicher and J. Steinig. The greatest common divisor of certain sets of binomial coefficients. J. Number Theory, 21 (1985), 101–119.
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Acknowledgments
Ehrhard Behrends expresses his gratitude to Günter Ziegler for making available the preprint [1] and the discussion concerning the connections of our results with the Balak Ram theorem.
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This column is a place for those bits of contagious mathematics that travel from person to person in the community, because they are so elegant, surprising, or appealing that one has an urge to pass them on. Contributions are most welcome.
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Behrends, E., Humble, S. Triangle Mysteries. Math Intelligencer 35, 10–15 (2013). https://doi.org/10.1007/s00283-012-9346-4
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DOI: https://doi.org/10.1007/s00283-012-9346-4