We use the folding technique to show that generalized associahedra for non-simply-laced root systems (including non-crystallographic ones) can be obtained as sections of simply-laced generalized associahedra constructed by Bazier-Matte, Chapelier-Laget, Douville, Mousavand, Thomas and Yıldırım.
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Accepted:
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Keywords: generalized associahedron, unfolding, g-vector fan
Felikson, Anna 1; Tumarkin, Pavel 1; Yıldırım, Emine 2

@article{ALCO_2025__8_1_17_0, author = {Felikson, Anna and Tumarkin, Pavel and Y{\i}ld{\i}r{\i}m, Emine}, title = {Polytopal realizations of non-crystallographic associahedra}, journal = {Algebraic Combinatorics}, pages = {17--28}, publisher = {The Combinatorics Consortium}, volume = {8}, number = {1}, year = {2025}, doi = {10.5802/alco.402}, language = {en}, url = {https://alco.centre-mersenne.org/articles/10.5802/alco.402/} }
TY - JOUR AU - Felikson, Anna AU - Tumarkin, Pavel AU - Yıldırım, Emine TI - Polytopal realizations of non-crystallographic associahedra JO - Algebraic Combinatorics PY - 2025 SP - 17 EP - 28 VL - 8 IS - 1 PB - The Combinatorics Consortium UR - https://alco.centre-mersenne.org/articles/10.5802/alco.402/ DO - 10.5802/alco.402 LA - en ID - ALCO_2025__8_1_17_0 ER -
%0 Journal Article %A Felikson, Anna %A Tumarkin, Pavel %A Yıldırım, Emine %T Polytopal realizations of non-crystallographic associahedra %J Algebraic Combinatorics %D 2025 %P 17-28 %V 8 %N 1 %I The Combinatorics Consortium %U https://alco.centre-mersenne.org/articles/10.5802/alco.402/ %R 10.5802/alco.402 %G en %F ALCO_2025__8_1_17_0
Felikson, Anna; Tumarkin, Pavel; Yıldırım, Emine. Polytopal realizations of non-crystallographic associahedra. Algebraic Combinatorics, Volume 8 (2025) no. 1, pp. 17-28. doi : 10.5802/alco.402. https://alco.centre-mersenne.org/articles/10.5802/alco.402/
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