Two signed associahedra.
Burgiel, H., Reiner, V. (1998)
The New York Journal of Mathematics [electronic only]
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Burgiel, H., Reiner, V. (1998)
The New York Journal of Mathematics [electronic only]
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Bacher, R., Krattenthaler, C. (2011)
The Electronic Journal of Combinatorics [electronic only]
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Knutson, Allen, Purbhoo, Kevin (2011)
The Electronic Journal of Combinatorics [electronic only]
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Akhtar, Reza, Jiang, Tao, Pritikin, Dan (2007)
The Electronic Journal of Combinatorics [electronic only]
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Buan, Aslak Bakke, Torkildsen, Hermund André (2009)
The Electronic Journal of Combinatorics [electronic only]
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Bouttier, J., Di Francesco, P., Guitter, E. (2004)
The Electronic Journal of Combinatorics [electronic only]
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Trout, Aaron (2010)
The Electronic Journal of Combinatorics [electronic only]
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Siniša Vrećica (2005)
The Teaching of Mathematics
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Krikun, Maxim (2007)
The Electronic Journal of Combinatorics [electronic only]
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Killian, Charles E., Ruskey, Frank, Savage, Carla D., Weston, Mark (2004)
The Electronic Journal of Combinatorics [electronic only]
Similarity:
Paul, Alice, Pippenger, Nicholas (2011)
The Electronic Journal of Combinatorics [electronic only]
Similarity: