Lozenge tilings of hexagons with removed core and satellites
Annales de l’Institut Henri Poincaré D, Tome 10 (2023) no. 3, pp. 407-501.
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We consider regions obtained from 120 degree rotationally invariant hexagons by removing a core and three equal satellites (all equilateral triangles) so that the resulting region is both vertically symmetric and 120 degree rotationally invariant, and give simple product formulas for the number of their lozenge tilings. We describe a new method of approach for proving these formulas, and give the full details for an illustrative special case. As a byproduct, we are also able to generalize this special case in a different direction, by finding a natural counterpart of a twenty year old formula due to Ciucu, Eisenkölbl, Krattenthaler, and Zare, which went unnoticed until now. The general case of the original problem will be treated in a subsequent paper. We then work out consequences for the correlation of holes, which were the original motivation for this study.

Accepté le :
Publié le :
DOI : 10.4171/aihpd/131
Classification : 05-XX, 82-XX
Mots-clés : lozenge tilings, plane partitions, determinant evaluations, product formulas, hypergeometric series 
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     author = {Ciucu, Mihai and Fischer, Ilse},
     title = {Lozenge tilings of hexagons with removed core and satellites},
     journal = {Annales de l{\textquoteright}Institut Henri Poincar\'e D},
     pages = {407--501},
     volume = {10},
     number = {3},
     year = {2023},
     doi = {10.4171/aihpd/131},
     mrnumber = {4620362},
     zbl = {1536.52020},
     language = {en},
     url = {http://www.numdam.org/articles/10.4171/aihpd/131/}
}
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Ciucu, Mihai; Fischer, Ilse. Lozenge tilings of hexagons with removed core and satellites. Annales de l’Institut Henri Poincaré D, Tome 10 (2023) no. 3, pp. 407-501. doi : 10.4171/aihpd/131. http://www.numdam.org/articles/10.4171/aihpd/131/

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